diff options
| author | Thomas Gleixner | 2015-08-05 23:55:52 +0200 |
|---|---|---|
| committer | Thomas Gleixner | 2015-08-06 00:00:32 +0200 |
| commit | b7edaca4e825fd5d7a6ddce3548cc1f7a7337cf8 (patch) | |
| tree | 221d6c5be36fa3b2133200ebc3e520d4382dca8f | |
| parent | x86/apic: Drop local_irq_save/restore in timer callbacks (diff) | |
| parent | Linux 4.2-rc4 (diff) | |
| download | kernel-qcow2-linux-b7edaca4e825fd5d7a6ddce3548cc1f7a7337cf8.tar.gz kernel-qcow2-linux-b7edaca4e825fd5d7a6ddce3548cc1f7a7337cf8.tar.xz kernel-qcow2-linux-b7edaca4e825fd5d7a6ddce3548cc1f7a7337cf8.zip | |
Merge branch 'linus' into x86/apic
Pull in upstream changes to avoid conflicts
832 files changed, 6921 insertions, 4729 deletions
@@ -116,6 +116,7 @@ Shiraz Hashim <shiraz.linux.kernel@gmail.com> <shiraz.hashim@st.com> Simon Kelley <simon@thekelleys.org.uk> Stéphane Witzmann <stephane.witzmann@ubpmes.univ-bpclermont.fr> Stephen Hemminger <shemminger@osdl.org> +Sudeep Holla <sudeep.holla@arm.com> Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com> Sumit Semwal <sumit.semwal@ti.com> Tejun Heo <htejun@gmail.com> Thomas Graf <tgraf@suug.ch> @@ -125,7 +126,9 @@ Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Uwe Kleine-König <ukl@pengutronix.de> Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> Valdis Kletnieks <Valdis.Kletnieks@vt.edu> -Viresh Kumar <viresh.linux@gmail.com> <viresh.kumar@st.com> +Viresh Kumar <vireshk@kernel.org> <viresh.kumar@st.com> +Viresh Kumar <vireshk@kernel.org> <viresh.linux@gmail.com> +Viresh Kumar <vireshk@kernel.org> <viresh.kumar2@arm.com> Takashi YOSHII <takashi.yoshii.zj@renesas.com> Yusuke Goda <goda.yusuke@renesas.com> Gustavo Padovan <gustavo@las.ic.unicamp.br> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index bbed111c31b4..70c9b1ac66db 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -1234,10 +1234,8 @@ Description: object is near the sensor, usually be observing reflectivity of infrared or ultrasound emitted. Often these sensors are unit less and as such conversion - to SI units is not possible. Where it is, the units should - be meters. If such a conversion is not possible, the reported - values should behave in the same way as a distance, i.e. lower - values indicate something is closer to the sensor. + to SI units is not possible. Higher proximity measurements + indicate closer objects, and vice versa. What: /sys/.../iio:deviceX/in_illuminance_input What: /sys/.../iio:deviceX/in_illuminance_raw diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl index c0312cbd023d..2fb9a5457522 100644 --- a/Documentation/DocBook/drm.tmpl +++ b/Documentation/DocBook/drm.tmpl @@ -3383,7 +3383,7 @@ void intel_crt_init(struct drm_device *dev) <td valign="top" >TBD</td> </tr> <tr> - <td rowspan="2" valign="top" >omap</td> + <td valign="top" >omap</td> <td valign="top" >Generic</td> <td valign="top" >“zorder”</td> <td valign="top" >RANGE</td> diff --git a/Documentation/arm/SPEAr/overview.txt b/Documentation/arm/SPEAr/overview.txt index 65610bf52ebf..1b049be6c84f 100644 --- a/Documentation/arm/SPEAr/overview.txt +++ b/Documentation/arm/SPEAr/overview.txt @@ -60,4 +60,4 @@ Introduction Document Author --------------- - Viresh Kumar <viresh.linux@gmail.com>, (c) 2010-2012 ST Microelectronics + Viresh Kumar <vireshk@kernel.org>, (c) 2010-2012 ST Microelectronics diff --git a/Documentation/device-mapper/cache.txt b/Documentation/device-mapper/cache.txt index 82960cffbad3..785eab87aa71 100644 --- a/Documentation/device-mapper/cache.txt +++ b/Documentation/device-mapper/cache.txt @@ -258,6 +258,12 @@ cache metadata mode : ro if read-only, rw if read-write no further I/O will be permitted and the status will just contain the string 'Fail'. The userspace recovery tools should then be used. +needs_check : 'needs_check' if set, '-' if not set + A metadata operation has failed, resulting in the needs_check + flag being set in the metadata's superblock. The metadata + device must be deactivated and checked/repaired before the + cache can be made fully operational again. '-' indicates + needs_check is not set. Messages -------- diff --git a/Documentation/device-mapper/thin-provisioning.txt b/Documentation/device-mapper/thin-provisioning.txt index 4f67578b2954..1699a55b7b70 100644 --- a/Documentation/device-mapper/thin-provisioning.txt +++ b/Documentation/device-mapper/thin-provisioning.txt @@ -296,7 +296,7 @@ ii) Status underlying device. When this is enabled when loading the table, it can get disabled if the underlying device doesn't support it. - ro|rw + ro|rw|out_of_data_space If the pool encounters certain types of device failures it will drop into a read-only metadata mode in which no changes to the pool metadata (like allocating new blocks) are permitted. @@ -314,6 +314,13 @@ ii) Status module parameter can be used to change this timeout -- it defaults to 60 seconds but may be disabled using a value of 0. + needs_check + A metadata operation has failed, resulting in the needs_check + flag being set in the metadata's superblock. The metadata + device must be deactivated and checked/repaired before the + thin-pool can be made fully operational again. '-' indicates + needs_check is not set. + iii) Messages create_thin <dev id> diff --git a/Documentation/devicetree/bindings/drm/imx/fsl-imx-drm.txt b/Documentation/devicetree/bindings/drm/imx/fsl-imx-drm.txt index e75f0e549fff..971c3eedb1c7 100644 --- a/Documentation/devicetree/bindings/drm/imx/fsl-imx-drm.txt +++ b/Documentation/devicetree/bindings/drm/imx/fsl-imx-drm.txt @@ -65,8 +65,10 @@ Optional properties: - edid: verbatim EDID data block describing attached display. - ddc: phandle describing the i2c bus handling the display data channel -- port: A port node with endpoint definitions as defined in +- port@[0-1]: Port nodes with endpoint definitions as defined in Documentation/devicetree/bindings/media/video-interfaces.txt. + Port 0 is the input port connected to the IPU display interface, + port 1 is the output port connected to a panel. example: @@ -75,9 +77,29 @@ display@di0 { edid = [edid-data]; interface-pix-fmt = "rgb24"; - port { + port@0 { + reg = <0>; + display_in: endpoint { remote-endpoint = <&ipu_di0_disp0>; }; }; + + port@1 { + reg = <1>; + + display_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; +}; + +panel { + ... + + port { + panel_in: endpoint { + remote-endpoint = <&display_out>; + }; + }; }; diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt b/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt index c03eec116872..3443e0f838df 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt +++ b/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt @@ -35,3 +35,6 @@ the PCIe specification. NOTE: this only applies to the SMMU itself, not masters connected upstream of the SMMU. + +- hisilicon,broken-prefetch-cmd + : Avoid sending CMD_PREFETCH_* commands to the SMMU. diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt index 5d0376b8f202..211e7785f4d2 100644 --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt @@ -17,7 +17,6 @@ Required properties: "fsl,imx6sx-usdhc" Optional properties: -- fsl,cd-controller : Indicate to use controller internal card detection - fsl,wp-controller : Indicate to use controller internal write protection - fsl,delay-line : Specify the number of delay cells for override mode. This is used to set the clock delay for DLL(Delay Line) on override mode @@ -35,7 +34,6 @@ esdhc@70004000 { compatible = "fsl,imx51-esdhc"; reg = <0x70004000 0x4000>; interrupts = <1>; - fsl,cd-controller; fsl,wp-controller; }; diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index e63b446d973c..13f888a02a3d 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -952,6 +952,14 @@ When kbuild executes, the following steps are followed (roughly): $(KBUILD_ARFLAGS) set by the top level Makefile to "D" (deterministic mode) if this option is supported by $(AR). + ARCH_CPPFLAGS, ARCH_AFLAGS, ARCH_CFLAGS Overrides the kbuild defaults + + These variables are appended to the KBUILD_CPPFLAGS, + KBUILD_AFLAGS, and KBUILD_CFLAGS, respectively, after the + top-level Makefile has set any other flags. This provides a + means for an architecture to override the defaults. + + --- 6.2 Add prerequisites to archheaders: The archheaders: rule is used to generate header files that diff --git a/MAINTAINERS b/MAINTAINERS index b3ea3b687a25..9289ecb57b68 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -361,11 +361,11 @@ S: Supported F: drivers/input/touchscreen/ad7879.c ADDRESS SPACE LAYOUT RANDOMIZATION (ASLR) -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> S: Maintained ADM1025 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/adm1025 @@ -430,7 +430,7 @@ S: Maintained F: drivers/macintosh/therm_adt746x.c ADT7475 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/adt7475 @@ -445,7 +445,7 @@ F: drivers/input/misc/adxl34x.c ADVANSYS SCSI DRIVER M: Matthew Wilcox <matthew@wil.cx> -M: Hannes Reinecke <hare@suse.de> +M: Hannes Reinecke <hare@suse.com> L: linux-scsi@vger.kernel.org S: Maintained F: Documentation/scsi/advansys.txt @@ -506,7 +506,7 @@ F: drivers/scsi/aha152x* F: drivers/scsi/pcmcia/aha152x* AIC7XXX / AIC79XX SCSI DRIVER -M: Hannes Reinecke <hare@suse.de> +M: Hannes Reinecke <hare@suse.com> L: linux-scsi@vger.kernel.org S: Maintained F: drivers/scsi/aic7xxx/ @@ -746,7 +746,7 @@ S: Maintained F: sound/aoa/ APM DRIVER -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> S: Odd fixes F: arch/x86/kernel/apm_32.c F: include/linux/apm_bios.h @@ -1001,6 +1001,7 @@ ARM/CONEXANT DIGICOLOR MACHINE SUPPORT M: Baruch Siach <baruch@tkos.co.il> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained +F: arch/arm/boot/dts/cx92755* N: digicolor ARM/EBSA110 MACHINE SUPPORT @@ -1324,7 +1325,7 @@ F: arch/arm/mach-pxa/include/mach/palmtc.h F: arch/arm/mach-pxa/palmtc.c ARM/PALM TREO SUPPORT -M: Tomas Cech <sleep_walker@suse.cz> +M: Tomas Cech <sleep_walker@suse.com> L: linux-arm-kernel@lists.infradead.org W: http://hackndev.com S: Maintained @@ -2405,7 +2406,7 @@ F: drivers/gpio/gpio-bt8xx.c BTRFS FILE SYSTEM M: Chris Mason <clm@fb.com> M: Josef Bacik <jbacik@fb.com> -M: David Sterba <dsterba@suse.cz> +M: David Sterba <dsterba@suse.com> L: linux-btrfs@vger.kernel.org W: http://btrfs.wiki.kernel.org/ Q: http://patchwork.kernel.org/project/linux-btrfs/list/ @@ -2748,7 +2749,7 @@ COCCINELLE/Semantic Patches (SmPL) M: Julia Lawall <Julia.Lawall@lip6.fr> M: Gilles Muller <Gilles.Muller@lip6.fr> M: Nicolas Palix <nicolas.palix@imag.fr> -M: Michal Marek <mmarek@suse.cz> +M: Michal Marek <mmarek@suse.com> L: cocci@systeme.lip6.fr (moderated for non-subscribers) T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git misc W: http://coccinelle.lip6.fr/ @@ -2864,7 +2865,7 @@ F: kernel/cpuset.c CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG) M: Johannes Weiner <hannes@cmpxchg.org> -M: Michal Hocko <mhocko@suse.cz> +M: Michal Hocko <mhocko@kernel.org> L: cgroups@vger.kernel.org L: linux-mm@kvack.org S: Maintained @@ -2945,7 +2946,7 @@ F: arch/x86/kernel/cpuid.c F: arch/x86/kernel/msr.c CPU POWER MONITORING SUBSYSTEM -M: Thomas Renninger <trenn@suse.de> +M: Thomas Renninger <trenn@suse.com> L: linux-pm@vger.kernel.org S: Maintained F: tools/power/cpupower/ @@ -3175,7 +3176,7 @@ F: Documentation/networking/dmfe.txt F: drivers/net/ethernet/dec/tulip/dmfe.c DC390/AM53C974 SCSI driver -M: Hannes Reinecke <hare@suse.de> +M: Hannes Reinecke <hare@suse.com> L: linux-scsi@vger.kernel.org S: Maintained F: drivers/scsi/am53c974.c @@ -3379,7 +3380,7 @@ W: http://www.win.tue.nl/~aeb/partitions/partition_types-1.html S: Maintained DISKQUOTA -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> S: Maintained F: Documentation/filesystems/quota.txt F: fs/quota/ @@ -3435,7 +3436,7 @@ F: Documentation/hwmon/dme1737 F: drivers/hwmon/dme1737.c DMI/SMBIOS SUPPORT -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> S: Maintained T: quilt http://jdelvare.nerim.net/devel/linux/jdelvare-dmi/ F: Documentation/ABI/testing/sysfs-firmware-dmi-tables @@ -4051,7 +4052,7 @@ F: drivers/of/of_mdio.c F: drivers/of/of_net.c EXT2 FILE SYSTEM -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> L: linux-ext4@vger.kernel.org S: Maintained F: Documentation/filesystems/ext2.txt @@ -4059,7 +4060,7 @@ F: fs/ext2/ F: include/linux/ext2* EXT3 FILE SYSTEM -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> M: Andrew Morton <akpm@linux-foundation.org> M: Andreas Dilger <adilger.kernel@dilger.ca> L: linux-ext4@vger.kernel.org @@ -4109,7 +4110,7 @@ F: drivers/video/fbdev/exynos/exynos_mipi* F: include/video/exynos_mipi* F71805F HARDWARE MONITORING DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/f71805f @@ -4244,7 +4245,7 @@ S: Maintained F: drivers/block/rsxx/ FLOPPY DRIVER -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/floppy.git S: Odd fixes F: drivers/block/floppy.c @@ -4665,7 +4666,7 @@ F: drivers/media/usb/stk1160/ H8/300 ARCHITECTURE M: Yoshinori Sato <ysato@users.sourceforge.jp> -L: uclinux-h8-devel@lists.sourceforge.jp +L: uclinux-h8-devel@lists.sourceforge.jp (moderated for non-subscribers) W: http://uclinux-h8.sourceforge.jp T: git git://git.sourceforge.jp/gitroot/uclinux-h8/linux.git S: Maintained @@ -4712,7 +4713,7 @@ S: Maintained F: drivers/media/usb/hackrf/ HARDWARE MONITORING -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> M: Guenter Roeck <linux@roeck-us.net> L: lm-sensors@lm-sensors.org W: http://www.lm-sensors.org/ @@ -4815,7 +4816,7 @@ F: include/linux/pm.h F: arch/*/include/asm/suspend*.h HID CORE LAYER -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> L: linux-input@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git S: Maintained @@ -4824,7 +4825,7 @@ F: include/linux/hid* F: include/uapi/linux/hid* HID SENSOR HUB DRIVERS -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> M: Jonathan Cameron <jic23@kernel.org> M: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> L: linux-input@vger.kernel.org @@ -4958,7 +4959,7 @@ F: include/linux/hyperv.h F: tools/hv/ I2C OVER PARALLEL PORT -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: linux-i2c@vger.kernel.org S: Maintained F: Documentation/i2c/busses/i2c-parport @@ -4967,7 +4968,7 @@ F: drivers/i2c/busses/i2c-parport.c F: drivers/i2c/busses/i2c-parport-light.c I2C/SMBUS CONTROLLER DRIVERS FOR PC -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: linux-i2c@vger.kernel.org S: Maintained F: Documentation/i2c/busses/i2c-ali1535 @@ -5008,7 +5009,7 @@ F: drivers/i2c/busses/i2c-ismt.c F: Documentation/i2c/busses/i2c-ismt I2C/SMBUS STUB DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: linux-i2c@vger.kernel.org S: Maintained F: drivers/i2c/i2c-stub.c @@ -5035,7 +5036,7 @@ L: linux-acpi@vger.kernel.org S: Maintained I2C-TAOS-EVM DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: linux-i2c@vger.kernel.org S: Maintained F: Documentation/i2c/busses/i2c-taos-evm @@ -5564,8 +5565,8 @@ F: include/uapi/linux/ip_vs.h F: net/netfilter/ipvs/ IPWIRELESS DRIVER -M: Jiri Kosina <jkosina@suse.cz> -M: David Sterba <dsterba@suse.cz> +M: Jiri Kosina <jkosina@suse.com> +M: David Sterba <dsterba@suse.com> S: Odd Fixes F: drivers/tty/ipwireless/ @@ -5685,7 +5686,7 @@ S: Maintained F: drivers/isdn/hardware/eicon/ IT87 HARDWARE MONITORING DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/it87 @@ -5752,7 +5753,7 @@ F: include/uapi/linux/jffs2.h JOURNALLING LAYER FOR BLOCK DEVICES (JBD) M: Andrew Morton <akpm@linux-foundation.org> -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> L: linux-ext4@vger.kernel.org S: Maintained F: fs/jbd/ @@ -5816,7 +5817,7 @@ S: Maintained F: fs/autofs4/ KERNEL BUILD + files below scripts/ (unless maintained elsewhere) -M: Michal Marek <mmarek@suse.cz> +M: Michal Marek <mmarek@suse.com> T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git for-next T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git rc-fixes L: linux-kbuild@vger.kernel.org @@ -5880,7 +5881,7 @@ F: arch/x86/include/asm/svm.h F: arch/x86/kvm/svm.c KERNEL VIRTUAL MACHINE (KVM) FOR POWERPC -M: Alexander Graf <agraf@suse.de> +M: Alexander Graf <agraf@suse.com> L: kvm-ppc@vger.kernel.org W: http://kvm.qumranet.com T: git git://github.com/agraf/linux-2.6.git @@ -5898,7 +5899,6 @@ S: Supported F: Documentation/s390/kvm.txt F: arch/s390/include/asm/kvm* F: arch/s390/kvm/ -F: drivers/s390/kvm/ KERNEL VIRTUAL MACHINE (KVM) FOR ARM M: Christoffer Dall <christoffer.dall@linaro.org> @@ -6037,7 +6037,7 @@ F: drivers/leds/ F: include/linux/leds.h LEGACY EEPROM DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> S: Maintained F: Documentation/misc-devices/eeprom F: drivers/misc/eeprom/eeprom.c @@ -6090,7 +6090,7 @@ F: include/linux/ata.h F: include/linux/libata.h LIBATA PATA ARASAN COMPACT FLASH CONTROLLER -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> L: linux-ide@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git S: Maintained @@ -6160,6 +6160,7 @@ L: linux-nvdimm@lists.01.org Q: https://patchwork.kernel.org/project/linux-nvdimm/list/ S: Supported F: drivers/nvdimm/pmem.c +F: include/linux/pmem.h LINUX FOR IBM pSERIES (RS/6000) M: Paul Mackerras <paulus@au.ibm.com> @@ -6250,8 +6251,8 @@ F: drivers/platform/x86/hp_accel.c LIVE PATCHING M: Josh Poimboeuf <jpoimboe@redhat.com> M: Seth Jennings <sjenning@redhat.com> -M: Jiri Kosina <jkosina@suse.cz> -M: Vojtech Pavlik <vojtech@suse.cz> +M: Jiri Kosina <jkosina@suse.com> +M: Vojtech Pavlik <vojtech@suse.com> S: Maintained F: kernel/livepatch/ F: include/linux/livepatch.h @@ -6277,21 +6278,21 @@ S: Maintained F: drivers/hwmon/lm73.c LM78 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/lm78 F: drivers/hwmon/lm78.c LM83 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/lm83 F: drivers/hwmon/lm83.c LM90 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/lm90 @@ -6837,6 +6838,12 @@ T: git git://linuxtv.org/anttip/media_tree.git S: Maintained F: drivers/media/usb/msi2500/ +MSYSTEMS DISKONCHIP G3 MTD DRIVER +M: Robert Jarzmik <robert.jarzmik@free.fr> +L: linux-mtd@lists.infradead.org +S: Maintained +F: drivers/mtd/devices/docg3* + MT9M032 APTINA SENSOR DRIVER M: Laurent Pinchart <laurent.pinchart@ideasonboard.com> L: linux-media@vger.kernel.org @@ -7018,6 +7025,7 @@ F: include/uapi/linux/netfilter/ F: net/*/netfilter.c F: net/*/netfilter/ F: net/netfilter/ +F: net/bridge/br_netfilter*.c NETLABEL M: Paul Moore <paul@paul-moore.com> @@ -7717,7 +7725,7 @@ S: Maintained F: drivers/char/pc8736x_gpio.c PC87427 HARDWARE MONITORING DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/pc87427 @@ -7994,7 +8002,7 @@ S: Maintained F: drivers/pinctrl/samsung/ PIN CONTROLLER - ST SPEAR -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> L: spear-devel@list.st.com L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) W: http://www.st.com/spear @@ -8002,7 +8010,7 @@ S: Maintained F: drivers/pinctrl/spear/ PKTCDVD DRIVER -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> S: Maintained F: drivers/block/pktcdvd.c F: include/linux/pktcdvd.h @@ -8893,7 +8901,7 @@ S: Maintained F: drivers/tty/serial/ SYNOPSYS DESIGNWARE DMAC DRIVER -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> M: Andy Shevchenko <andriy.shevchenko@linux.intel.com> S: Maintained F: include/linux/dma/dw.h @@ -9060,7 +9068,7 @@ S: Maintained F: drivers/mmc/host/sdhci-s3c* SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) ST SPEAR DRIVER -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> L: spear-devel@list.st.com L: linux-mmc@vger.kernel.org S: Maintained @@ -9422,7 +9430,7 @@ F: Documentation/hwmon/sch5627 F: drivers/hwmon/sch5627.c SMSC47B397 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/smsc47b397 @@ -9471,7 +9479,7 @@ S: Supported F: drivers/media/pci/solo6x10/ SOFTWARE RAID (Multiple Disks) SUPPORT -M: Neil Brown <neilb@suse.de> +M: Neil Brown <neilb@suse.com> L: linux-raid@vger.kernel.org S: Supported F: drivers/md/ @@ -9514,7 +9522,7 @@ F: drivers/memstick/core/ms_block.* SOUND M: Jaroslav Kysela <perex@perex.cz> -M: Takashi Iwai <tiwai@suse.de> +M: Takashi Iwai <tiwai@suse.com> L: alsa-devel@alsa-project.org (moderated for non-subscribers) W: http://www.alsa-project.org/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git @@ -9598,7 +9606,7 @@ S: Maintained F: include/linux/compiler.h SPEAR PLATFORM SUPPORT -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> M: Shiraz Hashim <shiraz.linux.kernel@gmail.com> L: spear-devel@list.st.com L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -9607,7 +9615,7 @@ S: Maintained F: arch/arm/mach-spear/ SPEAR CLOCK FRAMEWORK SUPPORT -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> L: spear-devel@list.st.com L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) W: http://www.st.com/spear @@ -10397,7 +10405,7 @@ K: ^Subject:.*(?i)trivial TTY LAYER M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -M: Jiri Slaby <jslaby@suse.cz> +M: Jiri Slaby <jslaby@suse.com> S: Supported T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git F: Documentation/serial/ @@ -10471,7 +10479,7 @@ F: arch/m68k/*/*_no.* F: arch/m68k/include/asm/*_no.* UDF FILESYSTEM -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> S: Maintained F: Documentation/filesystems/udf.txt F: fs/udf/ @@ -10614,7 +10622,7 @@ F: drivers/usb/gadget/ F: include/linux/usb/gadget* USB HID/HIDBP DRIVERS (USB KEYBOARDS, MICE, REMOTE CONTROLS, ...) -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> L: linux-usb@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git S: Maintained @@ -10739,7 +10747,7 @@ S: Maintained F: drivers/usb/host/uhci* USB "USBNET" DRIVER FRAMEWORK -M: Oliver Neukum <oneukum@suse.de> +M: Oliver Neukum <oneukum@suse.com> L: netdev@vger.kernel.org W: http://www.linux-usb.org/usbnet S: Maintained @@ -10893,6 +10901,15 @@ F: drivers/block/virtio_blk.c F: include/linux/virtio_*.h F: include/uapi/linux/virtio_*.h +VIRTIO DRIVERS FOR S390 +M: Christian Borntraeger <borntraeger@de.ibm.com> +M: Cornelia Huck <cornelia.huck@de.ibm.com> +L: linux-s390@vger.kernel.org +L: virtualization@lists.linux-foundation.org +L: kvm@vger.kernel.org +S: Supported +F: drivers/s390/virtio/ + VIRTIO GPU DRIVER M: David Airlie <airlied@linux.ie> M: Gerd Hoffmann <kraxel@redhat.com> @@ -11066,7 +11083,7 @@ F: Documentation/hwmon/w83793 F: drivers/hwmon/w83793.c W83795 HARDWARE MONITORING DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: drivers/hwmon/w83795.c @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 2 SUBLEVEL = 0 -EXTRAVERSION = -rc1 +EXTRAVERSION = -rc4 NAME = Hurr durr I'ma sheep # *DOCUMENTATION* @@ -780,10 +780,11 @@ endif include scripts/Makefile.kasan include scripts/Makefile.extrawarn -# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments -KBUILD_CPPFLAGS += $(KCPPFLAGS) -KBUILD_AFLAGS += $(KAFLAGS) -KBUILD_CFLAGS += $(KCFLAGS) +# Add any arch overrides and user supplied CPPFLAGS, AFLAGS and CFLAGS as the +# last assignments +KBUILD_CPPFLAGS += $(ARCH_CPPFLAGS) $(KCPPFLAGS) +KBUILD_AFLAGS += $(ARCH_AFLAGS) $(KAFLAGS) +KBUILD_CFLAGS += $(ARCH_CFLAGS) $(KCFLAGS) # Use --build-id when available. LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\ diff --git a/arch/Kconfig b/arch/Kconfig index bec6666a3cc4..8a8ea7110de8 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -221,6 +221,10 @@ config ARCH_TASK_STRUCT_ALLOCATOR config ARCH_THREAD_INFO_ALLOCATOR bool +# Select if arch wants to size task_struct dynamically via arch_task_struct_size: +config ARCH_WANTS_DYNAMIC_TASK_STRUCT + bool + config HAVE_REGS_AND_STACK_ACCESS_API bool help diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild index cde23cd03609..ffd9cf5ec8c4 100644 --- a/arch/alpha/include/asm/Kbuild +++ b/arch/alpha/include/asm/Kbuild @@ -5,6 +5,7 @@ generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += sections.h generic-y += trace_clock.h diff --git a/arch/alpha/include/asm/mm-arch-hooks.h b/arch/alpha/include/asm/mm-arch-hooks.h deleted file mode 100644 index b07fd862fec3..000000000000 --- a/arch/alpha/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_ALPHA_MM_ARCH_HOOKS_H -#define _ASM_ALPHA_MM_ARCH_HOOKS_H - -#endif /* _ASM_ALPHA_MM_ARCH_HOOKS_H */ diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index e7cee0a5c56d..91cf4055acab 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -115,6 +115,7 @@ if ISA_ARCOMPACT config ARC_CPU_750D bool "ARC750D" + select ARC_CANT_LLSC help Support for ARC750 core @@ -362,7 +363,7 @@ config ARC_CANT_LLSC config ARC_HAS_LLSC bool "Insn: LLOCK/SCOND (efficient atomic ops)" default y - depends on !ARC_CPU_750D && !ARC_CANT_LLSC + depends on !ARC_CANT_LLSC config ARC_HAS_SWAPE bool "Insn: SWAPE (endian-swap)" diff --git a/arch/arc/Makefile b/arch/arc/Makefile index 6107062c0111..46d87310220d 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -49,7 +49,8 @@ endif ifndef CONFIG_CC_OPTIMIZE_FOR_SIZE # Generic build system uses -O2, we want -O3 -cflags-y += -O3 +# Note: No need to add to cflags-y as that happens anyways +ARCH_CFLAGS += -O3 endif # small data is default for elf32 tool-chain. If not usable, disable it diff --git a/arch/arc/boot/dts/axc003.dtsi b/arch/arc/boot/dts/axc003.dtsi index 15c8d6226c9d..1cd5e82f5dc2 100644 --- a/arch/arc/boot/dts/axc003.dtsi +++ b/arch/arc/boot/dts/axc003.dtsi @@ -12,7 +12,7 @@ / { compatible = "snps,arc"; - clock-frequency = <75000000>; + clock-frequency = <90000000>; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arc/boot/dts/axc003_idu.dtsi b/arch/arc/boot/dts/axc003_idu.dtsi index 199d42820eca..2f0b33257db2 100644 --- a/arch/arc/boot/dts/axc003_idu.dtsi +++ b/arch/arc/boot/dts/axc003_idu.dtsi @@ -12,7 +12,7 @@ / { compatible = "snps,arc"; - clock-frequency = <75000000>; + clock-frequency = <90000000>; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild index 1a80cc91a03b..7611b10a2d23 100644 --- a/arch/arc/include/asm/Kbuild +++ b/arch/arc/include/asm/Kbuild @@ -22,6 +22,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += param.h diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h index 99fe118d3730..57c1f33844d4 100644 --- a/arch/arc/include/asm/bitops.h +++ b/arch/arc/include/asm/bitops.h @@ -50,8 +50,7 @@ static inline void op##_bit(unsigned long nr, volatile unsigned long *m)\ * done for const @nr, but no code is generated due to gcc \ * const prop. \ */ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ + nr &= 0x1f; \ \ __asm__ __volatile__( \ "1: llock %0, [%1] \n" \ @@ -82,8 +81,7 @@ static inline int test_and_##op##_bit(unsigned long nr, volatile unsigned long * \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ + nr &= 0x1f; \ \ /* \ * Explicit full memory barrier needed before/after as \ @@ -129,16 +127,13 @@ static inline void op##_bit(unsigned long nr, volatile unsigned long *m)\ unsigned long temp, flags; \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ - \ /* \ * spin lock/unlock provide the needed smp_mb() before/after \ */ \ bitops_lock(flags); \ \ temp = *m; \ - *m = temp c_op (1UL << nr); \ + *m = temp c_op (1UL << (nr & 0x1f)); \ \ bitops_unlock(flags); \ } @@ -149,17 +144,14 @@ static inline int test_and_##op##_bit(unsigned long nr, volatile unsigned long * unsigned long old, flags; \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ - \ bitops_lock(flags); \ \ old = *m; \ - *m = old c_op (1 << nr); \ + *m = old c_op (1UL << (nr & 0x1f)); \ \ bitops_unlock(flags); \ \ - return (old & (1 << nr)) != 0; \ + return (old & (1UL << (nr & 0x1f))) != 0; \ } #endif /* CONFIG_ARC_HAS_LLSC */ @@ -174,11 +166,8 @@ static inline void __##op##_bit(unsigned long nr, volatile unsigned long *m) \ unsigned long temp; \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ - \ temp = *m; \ - *m = temp c_op (1UL << nr); \ + *m = temp c_op (1UL << (nr & 0x1f)); \ } #define __TEST_N_BIT_OP(op, c_op, asm_op) \ @@ -187,13 +176,10 @@ static inline int __test_and_##op##_bit(unsigned long nr, volatile unsigned long unsigned long old; \ m += nr >> 5; \ \ - if (__builtin_constant_p(nr)) \ - nr &= 0x1f; \ - \ old = *m; \ - *m = old c_op (1 << nr); \ + *m = old c_op (1UL << (nr & 0x1f)); \ \ - return (old & (1 << nr)) != 0; \ + return (old & (1UL << (nr & 0x1f))) != 0; \ } #define BIT_OPS(op, c_op, asm_op) \ @@ -224,10 +210,7 @@ test_bit(unsigned int nr, const volatile unsigned long *addr) addr += nr >> 5; - if (__builtin_constant_p(nr)) - nr &= 0x1f; - - mask = 1 << nr; + mask = 1UL << (nr & 0x1f); return ((mask & *addr) != 0); } diff --git a/arch/arc/include/asm/futex.h b/arch/arc/include/asm/futex.h index 05b5aaf5b0f9..70cfe16b742d 100644 --- a/arch/arc/include/asm/futex.h +++ b/arch/arc/include/asm/futex.h @@ -16,12 +16,40 @@ #include <linux/uaccess.h> #include <asm/errno.h> +#ifdef CONFIG_ARC_HAS_LLSC + +#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg)\ + \ + __asm__ __volatile__( \ + "1: llock %1, [%2] \n" \ + insn "\n" \ + "2: scond %0, [%2] \n" \ + " bnz 1b \n" \ + " mov %0, 0 \n" \ + "3: \n" \ + " .section .fixup,\"ax\" \n" \ + " .align 4 \n" \ + "4: mov %0, %4 \n" \ + " b 3b \n" \ + " .previous \n" \ + " .section __ex_table,\"a\" \n" \ + " .align 4 \n" \ + " .word 1b, 4b \n" \ + " .word 2b, 4b \n" \ + " .previous \n" \ + \ + : "=&r" (ret), "=&r" (oldval) \ + : "r" (uaddr), "r" (oparg), "ir" (-EFAULT) \ + : "cc", "memory") + +#else /* !CONFIG_ARC_HAS_LLSC */ + #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg)\ \ __asm__ __volatile__( \ - "1: ld %1, [%2] \n" \ + "1: ld %1, [%2] \n" \ insn "\n" \ - "2: st %0, [%2] \n" \ + "2: st %0, [%2] \n" \ " mov %0, 0 \n" \ "3: \n" \ " .section .fixup,\"ax\" \n" \ @@ -39,6 +67,8 @@ : "r" (uaddr), "r" (oparg), "ir" (-EFAULT) \ : "cc", "memory") +#endif + static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; @@ -123,11 +153,17 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, u32 oldval, pagefault_disable(); - /* TBD : can use llock/scond */ __asm__ __volatile__( - "1: ld %0, [%3] \n" - " brne %0, %1, 3f \n" - "2: st %2, [%3] \n" +#ifdef CONFIG_ARC_HAS_LLSC + "1: llock %0, [%3] \n" + " brne %0, %1, 3f \n" + "2: scond %2, [%3] \n" + " bnz 1b \n" +#else + "1: ld %0, [%3] \n" + " brne %0, %1, 3f \n" + "2: st %2, [%3] \n" +#endif "3: \n" " .section .fixup,\"ax\" \n" "4: mov %0, %4 \n" diff --git a/arch/arc/include/asm/mm-arch-hooks.h b/arch/arc/include/asm/mm-arch-hooks.h deleted file mode 100644 index c37541c5f8ba..000000000000 --- a/arch/arc/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_ARC_MM_ARCH_HOOKS_H -#define _ASM_ARC_MM_ARCH_HOOKS_H - -#endif /* _ASM_ARC_MM_ARCH_HOOKS_H */ diff --git a/arch/arc/include/asm/ptrace.h b/arch/arc/include/asm/ptrace.h index 91755972b9a2..91694ec1ce95 100644 --- a/arch/arc/include/asm/ptrace.h +++ b/arch/arc/include/asm/ptrace.h @@ -106,7 +106,7 @@ struct callee_regs { long r25, r24, r23, r22, r21, r20, r19, r18, r17, r16, r15, r14, r13; }; -#define instruction_pointer(regs) ((regs)->ret) +#define instruction_pointer(regs) (unsigned long)((regs)->ret) #define profile_pc(regs) instruction_pointer(regs) /* return 1 if user mode or 0 if kernel mode */ diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c index 6208c630abed..26c156827479 100644 --- a/arch/arc/kernel/intc-arcv2.c +++ b/arch/arc/kernel/intc-arcv2.c @@ -12,7 +12,6 @@ #include <linux/of.h> #include <linux/irqdomain.h> #include <linux/irqchip.h> -#include "../../drivers/irqchip/irqchip.h" #include <asm/irq.h> /* diff --git a/arch/arc/kernel/intc-compact.c b/arch/arc/kernel/intc-compact.c index fcdddb631766..039fac30b5c1 100644 --- a/arch/arc/kernel/intc-compact.c +++ b/arch/arc/kernel/intc-compact.c @@ -12,7 +12,6 @@ #include <linux/of.h> #include <linux/irqdomain.h> #include <linux/irqchip.h> -#include "../../drivers/irqchip/irqchip.h" #include <asm/irq.h> /* diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c index 30284e8de6ff..2fb86589054d 100644 --- a/arch/arc/kernel/mcip.c +++ b/arch/arc/kernel/mcip.c @@ -175,7 +175,6 @@ void mcip_init_early_smp(void) #include <linux/irqchip.h> #include <linux/of.h> #include <linux/of_irq.h> -#include "../../drivers/irqchip/irqchip.h" /* * Set the DEST for @cmn_irq to @cpu_mask (1 bit per core) @@ -218,11 +217,28 @@ static void idu_irq_unmask(struct irq_data *data) raw_spin_unlock_irqrestore(&mcip_lock, flags); } +#ifdef CONFIG_SMP static int -idu_irq_set_affinity(struct irq_data *d, const struct cpumask *cpumask, bool f) +idu_irq_set_affinity(struct irq_data *data, const struct cpumask *cpumask, + bool force) { + unsigned long flags; + cpumask_t online; + + /* errout if no online cpu per @cpumask */ + if (!cpumask_and(&online, cpumask, cpu_online_mask)) + return -EINVAL; + + raw_spin_lock_irqsave(&mcip_lock, flags); + + idu_set_dest(data->hwirq, cpumask_bits(&online)[0]); + idu_set_mode(data->hwirq, IDU_M_TRIG_LEVEL, IDU_M_DISTRI_RR); + + raw_spin_unlock_irqrestore(&mcip_lock, flags); + return IRQ_SET_MASK_OK; } +#endif static struct irq_chip idu_irq_chip = { .name = "MCIP IDU Intc", @@ -330,8 +346,7 @@ idu_of_init(struct device_node *intc, struct device_node *parent) if (!i) idu_first_irq = irq; - irq_set_handler_data(irq, domain); - irq_set_chained_handler(irq, idu_cascade_isr); + irq_set_chained_handler_and_data(irq, idu_cascade_isr, domain); } __mcip_cmd(CMD_IDU_ENABLE, 0); diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index a3d186211ed3..18cc01591c96 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -142,17 +142,22 @@ static void read_arc_build_cfg_regs(void) } static const struct cpuinfo_data arc_cpu_tbl[] = { +#ifdef CONFIG_ISA_ARCOMPACT { {0x20, "ARC 600" }, 0x2F}, { {0x30, "ARC 700" }, 0x33}, { {0x34, "ARC 700 R4.10"}, 0x34}, { {0x35, "ARC 700 R4.11"}, 0x35}, - { {0x50, "ARC HS38" }, 0x51}, +#else + { {0x50, "ARC HS38 R2.0"}, 0x51}, + { {0x52, "ARC HS38 R2.1"}, 0x52}, +#endif { {0x00, NULL } } }; -#define IS_AVAIL1(v, str) ((v) ? str : "") -#define IS_USED(cfg) (IS_ENABLED(cfg) ? "" : "(not used) ") -#define IS_AVAIL2(v, str, cfg) IS_AVAIL1(v, str), IS_AVAIL1(v, IS_USED(cfg)) +#define IS_AVAIL1(v, s) ((v) ? s : "") +#define IS_USED_RUN(v) ((v) ? "" : "(not used) ") +#define IS_USED_CFG(cfg) IS_USED_RUN(IS_ENABLED(cfg)) +#define IS_AVAIL2(v, s, cfg) IS_AVAIL1(v, s), IS_AVAIL1(v, IS_USED_CFG(cfg)) static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) { @@ -226,7 +231,7 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) n += scnprintf(buf + n, len - n, "mpy[opt %d] ", opt); } n += scnprintf(buf + n, len - n, "%s", - IS_USED(CONFIG_ARC_HAS_HW_MPY)); + IS_USED_CFG(CONFIG_ARC_HAS_HW_MPY)); } n += scnprintf(buf + n, len - n, "%s%s%s%s%s%s%s%s\n", diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c index 807f7d61d7a7..a6f91e88ce36 100644 --- a/arch/arc/kernel/troubleshoot.c +++ b/arch/arc/kernel/troubleshoot.c @@ -58,7 +58,6 @@ static void show_callee_regs(struct callee_regs *cregs) static void print_task_path_n_nm(struct task_struct *tsk, char *buf) { - struct path path; char *path_nm = NULL; struct mm_struct *mm; struct file *exe_file; diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c index b29d62ed4f7e..1cd6695b6ab5 100644 --- a/arch/arc/mm/cache.c +++ b/arch/arc/mm/cache.c @@ -468,10 +468,18 @@ static void __ic_line_inv_vaddr(unsigned long paddr, unsigned long vaddr, noinline void slc_op(unsigned long paddr, unsigned long sz, const int op) { #ifdef CONFIG_ISA_ARCV2 + /* + * SLC is shared between all cores and concurrent aux operations from + * multiple cores need to be serialized using a spinlock + * A concurrent operation can be silently ignored and/or the old/new + * operation can remain incomplete forever (lockup in SLC_CTRL_BUSY loop + * below) + */ + static DEFINE_SPINLOCK(lock); unsigned long flags; unsigned int ctrl; - local_irq_save(flags); + spin_lock_irqsave(&lock, flags); /* * The Region Flush operation is specified by CTRL.RGN_OP[11..9] @@ -504,7 +512,7 @@ noinline void slc_op(unsigned long paddr, unsigned long sz, const int op) while (read_aux_reg(ARC_REG_SLC_CTRL) & SLC_CTRL_BUSY); - local_irq_restore(flags); + spin_unlock_irqrestore(&lock, flags); #endif } diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c index 74a637a1cfc4..57706a9c6948 100644 --- a/arch/arc/mm/dma.c +++ b/arch/arc/mm/dma.c @@ -60,8 +60,8 @@ void *dma_alloc_coherent(struct device *dev, size_t size, /* This is kernel Virtual address (0x7000_0000 based) */ kvaddr = ioremap_nocache((unsigned long)paddr, size); - if (kvaddr != NULL) - memset(kvaddr, 0, size); + if (kvaddr == NULL) + return NULL; /* This is bus address, platform dependent */ *dma_handle = (dma_addr_t)paddr; diff --git a/arch/arm/boot/dts/am335x-pepper.dts b/arch/arm/boot/dts/am335x-pepper.dts index 0d35ab64641c..7106114c7464 100644 --- a/arch/arm/boot/dts/am335x-pepper.dts +++ b/arch/arm/boot/dts/am335x-pepper.dts @@ -74,6 +74,7 @@ audio_codec: tlv320aic3106@1b { compatible = "ti,tlv320aic3106"; reg = <0x1b>; + ai3x-micbias-vg = <0x2>; }; accel: lis331dlh@1d { @@ -153,7 +154,7 @@ ti,audio-routing = "Headphone Jack", "HPLOUT", "Headphone Jack", "HPROUT", - "LINE1L", "Line In"; + "MIC3L", "Mic3L Switch"; }; &mcasp0 { @@ -438,41 +439,50 @@ regulators { dcdc1_reg: regulator@0 { /* VDD_1V8 system supply */ + regulator-always-on; }; dcdc2_reg: regulator@1 { /* VDD_CORE voltage limits 0.95V - 1.26V with +/-4% tolerance */ regulator-name = "vdd_core"; regulator-min-microvolt = <925000>; - regulator-max-microvolt = <1325000>; + regulator-max-microvolt = <1150000>; regulator-boot-on; + regulator-always-on; }; dcdc3_reg: regulator@2 { /* VDD_MPU voltage limits 0.95V - 1.1V with +/-4% tolerance */ regulator-name = "vdd_mpu"; regulator-min-microvolt = <925000>; - regulator-max-microvolt = <1150000>; + regulator-max-microvolt = <1325000>; regulator-boot-on; + regulator-always-on; }; ldo1_reg: regulator@3 { /* VRTC 1.8V always-on supply */ + regulator-name = "vrtc,vdds"; regulator-always-on; }; ldo2_reg: regulator@4 { /* 3.3V rail */ + regulator-name = "vdd_3v3aux"; + regulator-always-on; }; ldo3_reg: regulator@5 { /* VDD_3V3A 3.3V rail */ + regulator-name = "vdd_3v3a"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; ldo4_reg: regulator@6 { /* VDD_3V3B 3.3V rail */ + regulator-name = "vdd_3v3b"; + regulator-always-on; }; }; }; diff --git a/arch/arm/boot/dts/cros-ec-keyboard.dtsi b/arch/arm/boot/dts/cros-ec-keyboard.dtsi index 9c7fb0acae79..4e42f30cb318 100644 --- a/arch/arm/boot/dts/cros-ec-keyboard.dtsi +++ b/arch/arm/boot/dts/cros-ec-keyboard.dtsi @@ -22,6 +22,7 @@ MATRIX_KEY(0x00, 0x02, KEY_F1) MATRIX_KEY(0x00, 0x03, KEY_B) MATRIX_KEY(0x00, 0x04, KEY_F10) + MATRIX_KEY(0x00, 0x05, KEY_RO) MATRIX_KEY(0x00, 0x06, KEY_N) MATRIX_KEY(0x00, 0x08, KEY_EQUAL) MATRIX_KEY(0x00, 0x0a, KEY_RIGHTALT) @@ -34,6 +35,7 @@ MATRIX_KEY(0x01, 0x08, KEY_APOSTROPHE) MATRIX_KEY(0x01, 0x09, KEY_F9) MATRIX_KEY(0x01, 0x0b, KEY_BACKSPACE) + MATRIX_KEY(0x01, 0x0c, KEY_HENKAN) MATRIX_KEY(0x02, 0x00, KEY_LEFTCTRL) MATRIX_KEY(0x02, 0x01, KEY_TAB) @@ -45,6 +47,7 @@ MATRIX_KEY(0x02, 0x07, KEY_102ND) MATRIX_KEY(0x02, 0x08, KEY_LEFTBRACE) MATRIX_KEY(0x02, 0x09, KEY_F8) + MATRIX_KEY(0x02, 0x0a, KEY_YEN) MATRIX_KEY(0x03, 0x01, KEY_GRAVE) MATRIX_KEY(0x03, 0x02, KEY_F2) @@ -53,6 +56,7 @@ MATRIX_KEY(0x03, 0x06, KEY_6) MATRIX_KEY(0x03, 0x08, KEY_MINUS) MATRIX_KEY(0x03, 0x0b, KEY_BACKSLASH) + MATRIX_KEY(0x03, 0x0c, KEY_MUHENKAN) MATRIX_KEY(0x04, 0x00, KEY_RIGHTCTRL) MATRIX_KEY(0x04, 0x01, KEY_A) diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index aa465904f6cc..096f68be99e2 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -686,7 +686,8 @@ &dcan1 { status = "ok"; - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&dcan1_pins_default>; + pinctrl-names = "default", "sleep", "active"; + pinctrl-0 = <&dcan1_pins_sleep>; pinctrl-1 = <&dcan1_pins_sleep>; + pinctrl-2 = <&dcan1_pins_default>; }; diff --git a/arch/arm/boot/dts/dra72-evm.dts b/arch/arm/boot/dts/dra72-evm.dts index 4e1b60581782..803738414086 100644 --- a/arch/arm/boot/dts/dra72-evm.dts +++ b/arch/arm/boot/dts/dra72-evm.dts @@ -587,9 +587,10 @@ &dcan1 { status = "ok"; - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&dcan1_pins_default>; + pinctrl-names = "default", "sleep", "active"; + pinctrl-0 = <&dcan1_pins_sleep>; pinctrl-1 = <&dcan1_pins_sleep>; + pinctrl-2 = <&dcan1_pins_default>; }; &qspi { diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi index c892d58e8dad..b995333ea22b 100644 --- a/arch/arm/boot/dts/imx23.dtsi +++ b/arch/arm/boot/dts/imx23.dtsi @@ -468,6 +468,7 @@ interrupts = <36 37 38 39 40 41 42 43 44>; status = "disabled"; clocks = <&clks 26>; + #io-channel-cells = <1>; }; spdif@80054000 { diff --git a/arch/arm/boot/dts/imx25-pdk.dts b/arch/arm/boot/dts/imx25-pdk.dts index dd45e6971bc3..9351296356dc 100644 --- a/arch/arm/boot/dts/imx25-pdk.dts +++ b/arch/arm/boot/dts/imx25-pdk.dts @@ -10,6 +10,7 @@ */ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> #include <dt-bindings/input/input.h> #include "imx25.dtsi" @@ -114,8 +115,8 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio2 1 0>; - wp-gpios = <&gpio2 0 0>; + cd-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 0 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi index bc215e4b75fd..b69be5c499cf 100644 --- a/arch/arm/boot/dts/imx27.dtsi +++ b/arch/arm/boot/dts/imx27.dtsi @@ -108,7 +108,7 @@ }; gpt1: timer@10003000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x10003000 0x1000>; interrupts = <26>; clocks = <&clks IMX27_CLK_GPT1_IPG_GATE>, @@ -117,7 +117,7 @@ }; gpt2: timer@10004000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x10004000 0x1000>; interrupts = <25>; clocks = <&clks IMX27_CLK_GPT2_IPG_GATE>, @@ -126,7 +126,7 @@ }; gpt3: timer@10005000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x10005000 0x1000>; interrupts = <24>; clocks = <&clks IMX27_CLK_GPT3_IPG_GATE>, @@ -376,7 +376,7 @@ }; gpt4: timer@10019000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x10019000 0x1000>; interrupts = <4>; clocks = <&clks IMX27_CLK_GPT4_IPG_GATE>, @@ -385,7 +385,7 @@ }; gpt5: timer@1001a000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x1001a000 0x1000>; interrupts = <3>; clocks = <&clks IMX27_CLK_GPT5_IPG_GATE>, @@ -436,7 +436,7 @@ }; gpt6: timer@1001f000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x1001f000 0x1000>; interrupts = <2>; clocks = <&clks IMX27_CLK_GPT6_IPG_GATE>, diff --git a/arch/arm/boot/dts/imx51-apf51dev.dts b/arch/arm/boot/dts/imx51-apf51dev.dts index 93d3ea12328c..0f3fe29b816e 100644 --- a/arch/arm/boot/dts/imx51-apf51dev.dts +++ b/arch/arm/boot/dts/imx51-apf51dev.dts @@ -98,7 +98,7 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio2 29 GPIO_ACTIVE_LOW>; bus-width = <4>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-ard.dts b/arch/arm/boot/dts/imx53-ard.dts index e9337ad52f59..3bc18835fb4b 100644 --- a/arch/arm/boot/dts/imx53-ard.dts +++ b/arch/arm/boot/dts/imx53-ard.dts @@ -103,8 +103,8 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio1 1 0>; - wp-gpios = <&gpio1 9 0>; + cd-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-m53evk.dts b/arch/arm/boot/dts/imx53-m53evk.dts index d0e0f57eb432..53f40885c530 100644 --- a/arch/arm/boot/dts/imx53-m53evk.dts +++ b/arch/arm/boot/dts/imx53-m53evk.dts @@ -124,8 +124,8 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio1 1 0>; - wp-gpios = <&gpio1 9 0>; + cd-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-qsb-common.dtsi b/arch/arm/boot/dts/imx53-qsb-common.dtsi index 181ae5ebf23f..b0d5542ac829 100644 --- a/arch/arm/boot/dts/imx53-qsb-common.dtsi +++ b/arch/arm/boot/dts/imx53-qsb-common.dtsi @@ -147,8 +147,8 @@ &esdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc3>; - cd-gpios = <&gpio3 11 0>; - wp-gpios = <&gpio3 12 0>; + cd-gpios = <&gpio3 11 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio3 12 GPIO_ACTIVE_HIGH>; bus-width = <8>; status = "okay"; }; @@ -295,9 +295,10 @@ &tve { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_vga_sync>; + ddc-i2c-bus = <&i2c2>; fsl,tve-mode = "vga"; - fsl,hsync-pin = <4>; - fsl,vsync-pin = <6>; + fsl,hsync-pin = <7>; /* IPU DI1 PIN7 via EIM_OE */ + fsl,vsync-pin = <8>; /* IPU DI1 PIN8 via EIM_RW */ status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-smd.dts b/arch/arm/boot/dts/imx53-smd.dts index 1d325576bcc0..fc89ce1e5763 100644 --- a/arch/arm/boot/dts/imx53-smd.dts +++ b/arch/arm/boot/dts/imx53-smd.dts @@ -41,8 +41,8 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio3 13 0>; - wp-gpios = <&gpio4 11 0>; + cd-gpios = <&gpio3 13 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio4 11 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-tqma53.dtsi b/arch/arm/boot/dts/imx53-tqma53.dtsi index 4f1f0e2868bf..e03373a58760 100644 --- a/arch/arm/boot/dts/imx53-tqma53.dtsi +++ b/arch/arm/boot/dts/imx53-tqma53.dtsi @@ -41,8 +41,8 @@ pinctrl-0 = <&pinctrl_esdhc2>, <&pinctrl_esdhc2_cdwp>; vmmc-supply = <®_3p3v>; - wp-gpios = <&gpio1 2 0>; - cd-gpios = <&gpio1 4 0>; + wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx53-tx53.dtsi b/arch/arm/boot/dts/imx53-tx53.dtsi index 704bd72cbfec..d3e50b22064f 100644 --- a/arch/arm/boot/dts/imx53-tx53.dtsi +++ b/arch/arm/boot/dts/imx53-tx53.dtsi @@ -183,7 +183,7 @@ }; &esdhc1 { - cd-gpios = <&gpio3 24 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>; fsl,wp-controller; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; @@ -191,7 +191,7 @@ }; &esdhc2 { - cd-gpios = <&gpio3 25 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio3 25 GPIO_ACTIVE_LOW>; fsl,wp-controller; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc2>; diff --git a/arch/arm/boot/dts/imx53-voipac-bsb.dts b/arch/arm/boot/dts/imx53-voipac-bsb.dts index c17d3ad6dba5..fc51b87ad208 100644 --- a/arch/arm/boot/dts/imx53-voipac-bsb.dts +++ b/arch/arm/boot/dts/imx53-voipac-bsb.dts @@ -119,8 +119,8 @@ &esdhc2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc2>; - cd-gpios = <&gpio3 25 0>; - wp-gpios = <&gpio2 19 0>; + cd-gpios = <&gpio3 25 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6dl-riotboard.dts b/arch/arm/boot/dts/imx6dl-riotboard.dts index 43cb3fd76be7..5111f5170d53 100644 --- a/arch/arm/boot/dts/imx6dl-riotboard.dts +++ b/arch/arm/boot/dts/imx6dl-riotboard.dts @@ -305,8 +305,8 @@ &usdhc2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; - cd-gpios = <&gpio1 4 0>; - wp-gpios = <&gpio1 2 0>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; }; @@ -314,8 +314,8 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 0>; - wp-gpios = <&gpio7 1 0>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6q-arm2.dts b/arch/arm/boot/dts/imx6q-arm2.dts index 78df05e9d1ce..d6515f7a56c4 100644 --- a/arch/arm/boot/dts/imx6q-arm2.dts +++ b/arch/arm/boot/dts/imx6q-arm2.dts @@ -11,6 +11,7 @@ */ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> #include "imx6q.dtsi" / { @@ -196,8 +197,8 @@ }; &usdhc3 { - cd-gpios = <&gpio6 11 0>; - wp-gpios = <&gpio6 14 0>; + cd-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio6 14 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3 diff --git a/arch/arm/boot/dts/imx6q-gk802.dts b/arch/arm/boot/dts/imx6q-gk802.dts index 703539cf36d3..00bd63e63d0c 100644 --- a/arch/arm/boot/dts/imx6q-gk802.dts +++ b/arch/arm/boot/dts/imx6q-gk802.dts @@ -7,6 +7,7 @@ */ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> #include "imx6q.dtsi" / { @@ -161,7 +162,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; bus-width = <4>; - cd-gpios = <&gpio6 11 0>; + cd-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6q-tbs2910.dts b/arch/arm/boot/dts/imx6q-tbs2910.dts index a43abfa21e33..5645d52850a7 100644 --- a/arch/arm/boot/dts/imx6q-tbs2910.dts +++ b/arch/arm/boot/dts/imx6q-tbs2910.dts @@ -251,7 +251,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; bus-width = <4>; - cd-gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; @@ -260,7 +260,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; bus-width = <4>; - cd-gpios = <&gpio2 0 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; diff --git a/arch/arm/boot/dts/imx6qdl-aristainetos.dtsi b/arch/arm/boot/dts/imx6qdl-aristainetos.dtsi index e6d9195a1da7..f4d6ae564ead 100644 --- a/arch/arm/boot/dts/imx6qdl-aristainetos.dtsi +++ b/arch/arm/boot/dts/imx6qdl-aristainetos.dtsi @@ -173,7 +173,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc1>; vmmc-supply = <®_3p3v>; - cd-gpios = <&gpio4 7 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio4 7 GPIO_ACTIVE_LOW>; status = "okay"; }; @@ -181,7 +181,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; vmmc-supply = <®_3p3v>; - cd-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio4 8 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi b/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi index 1d85de2befb3..a47a0399a172 100644 --- a/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi +++ b/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi @@ -392,7 +392,7 @@ &usdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc1>; - cd-gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio1 27 GPIO_ACTIVE_LOW>; no-1-8-v; status = "okay"; }; @@ -400,7 +400,7 @@ &usdhc2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; - cd-gpios = <&gpio4 5 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio4 5 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>; no-1-8-v; status = "okay"; diff --git a/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi b/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi index 59e5d15e3ec4..ff41f83551de 100644 --- a/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi +++ b/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi @@ -258,6 +258,6 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_cubox_i_usdhc2_aux &pinctrl_cubox_i_usdhc2>; vmmc-supply = <®_3p3v>; - cd-gpios = <&gpio1 4 0>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi b/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi index 2c253d6d20bd..45e7c39e80d5 100644 --- a/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi +++ b/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi @@ -1,3 +1,5 @@ +#include <dt-bindings/gpio/gpio.h> + / { regulators { compatible = "simple-bus"; @@ -181,7 +183,7 @@ &usdhc2 { /* module slot */ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; - cd-gpios = <&gpio2 2 0>; + cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi index b5756c21ea1d..4493f6e99330 100644 --- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi @@ -318,7 +318,7 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi index 86f03c1b147c..a857d1294609 100644 --- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi @@ -324,7 +324,7 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi index 4a8d97f47759..1afe3385e2d2 100644 --- a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi @@ -417,7 +417,7 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi b/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi index 62a82f3eba88..6dd0b764e036 100644 --- a/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi +++ b/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi @@ -299,6 +299,6 @@ &pinctrl_hummingboard_usdhc2 >; vmmc-supply = <®_3p3v>; - cd-gpios = <&gpio1 4 0>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi index 3af16dfe417b..d7fe6672d00c 100644 --- a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi +++ b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi @@ -453,7 +453,7 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 0>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; @@ -461,7 +461,7 @@ &usdhc4 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc4>; - cd-gpios = <&gpio2 6 0>; + cd-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi index 1ce6133b67f5..9e6ecd99b472 100644 --- a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi +++ b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi @@ -409,8 +409,8 @@ &usdhc2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; - cd-gpios = <&gpio1 4 0>; - wp-gpios = <&gpio1 2 0>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; status = "disabled"; }; @@ -418,7 +418,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3 &pinctrl_usdhc3_cdwp>; - cd-gpios = <&gpio1 27 0>; - wp-gpios = <&gpio1 29 0>; + cd-gpios = <&gpio1 27 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx6qdl-rex.dtsi b/arch/arm/boot/dts/imx6qdl-rex.dtsi index 488a640796ac..3373fd958e95 100644 --- a/arch/arm/boot/dts/imx6qdl-rex.dtsi +++ b/arch/arm/boot/dts/imx6qdl-rex.dtsi @@ -342,7 +342,7 @@ pinctrl-0 = <&pinctrl_usdhc2>; bus-width = <4>; cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; - wp-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>; status = "okay"; }; @@ -351,6 +351,6 @@ pinctrl-0 = <&pinctrl_usdhc3>; bus-width = <4>; cd-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; - wp-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi index 3b24b12651b2..e329ca5c3322 100644 --- a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi @@ -467,8 +467,8 @@ pinctrl-0 = <&pinctrl_usdhc3>; pinctrl-1 = <&pinctrl_usdhc3_100mhz>; pinctrl-2 = <&pinctrl_usdhc3_200mhz>; - cd-gpios = <&gpio6 15 0>; - wp-gpios = <&gpio1 13 0>; + cd-gpios = <&gpio6 15 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi index e00c44f6a0df..782379320517 100644 --- a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi @@ -448,8 +448,8 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 0>; - wp-gpios = <&gpio7 1 0>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; }; @@ -457,7 +457,7 @@ &usdhc4 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc4>; - cd-gpios = <&gpio2 6 0>; + cd-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi index a626e6dd8022..944eb81cb2b8 100644 --- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi @@ -562,8 +562,8 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; bus-width = <8>; - cd-gpios = <&gpio2 2 0>; - wp-gpios = <&gpio2 3 0>; + cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>; status = "okay"; }; @@ -571,8 +571,8 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; bus-width = <8>; - cd-gpios = <&gpio2 0 0>; - wp-gpios = <&gpio2 1 0>; + cd-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi b/arch/arm/boot/dts/imx6qdl-tx6.dtsi index f02b80b41d4f..da08de324e9e 100644 --- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi +++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi @@ -680,7 +680,7 @@ pinctrl-0 = <&pinctrl_usdhc1>; bus-width = <4>; no-1-8-v; - cd-gpios = <&gpio7 2 0>; + cd-gpios = <&gpio7 2 GPIO_ACTIVE_LOW>; fsl,wp-controller; status = "okay"; }; @@ -690,7 +690,7 @@ pinctrl-0 = <&pinctrl_usdhc2>; bus-width = <4>; no-1-8-v; - cd-gpios = <&gpio7 3 0>; + cd-gpios = <&gpio7 3 GPIO_ACTIVE_LOW>; fsl,wp-controller; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi index 5fb091675582..9e096d811bed 100644 --- a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi +++ b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi @@ -9,6 +9,8 @@ * */ +#include <dt-bindings/gpio/gpio.h> + / { regulators { compatible = "simple-bus"; @@ -250,13 +252,13 @@ &usdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc1>; - cd-gpios = <&gpio1 2 0>; + cd-gpios = <&gpio1 2 GPIO_ACTIVE_LOW>; status = "okay"; }; &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio3 9 0>; + cd-gpios = <&gpio3 9 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts index 945887d3fdb3..b84dff2e94ea 100644 --- a/arch/arm/boot/dts/imx6sl-evk.dts +++ b/arch/arm/boot/dts/imx6sl-evk.dts @@ -617,8 +617,8 @@ pinctrl-1 = <&pinctrl_usdhc1_100mhz>; pinctrl-2 = <&pinctrl_usdhc1_200mhz>; bus-width = <8>; - cd-gpios = <&gpio4 7 0>; - wp-gpios = <&gpio4 6 0>; + cd-gpios = <&gpio4 7 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio4 6 GPIO_ACTIVE_HIGH>; status = "okay"; }; @@ -627,8 +627,8 @@ pinctrl-0 = <&pinctrl_usdhc2>; pinctrl-1 = <&pinctrl_usdhc2_100mhz>; pinctrl-2 = <&pinctrl_usdhc2_200mhz>; - cd-gpios = <&gpio5 0 0>; - wp-gpios = <&gpio4 29 0>; + cd-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio4 29 GPIO_ACTIVE_HIGH>; status = "okay"; }; @@ -637,6 +637,6 @@ pinctrl-0 = <&pinctrl_usdhc3>; pinctrl-1 = <&pinctrl_usdhc3_100mhz>; pinctrl-2 = <&pinctrl_usdhc3_200mhz>; - cd-gpios = <&gpio3 22 0>; + cd-gpios = <&gpio3 22 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts index e3c0b63c2205..115f3fd78971 100644 --- a/arch/arm/boot/dts/imx6sx-sabreauto.dts +++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts @@ -49,7 +49,7 @@ pinctrl-1 = <&pinctrl_usdhc3_100mhz>; pinctrl-2 = <&pinctrl_usdhc3_200mhz>; bus-width = <8>; - cd-gpios = <&gpio7 10 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>; keep-power-in-suspend; enable-sdio-wakeup; @@ -61,7 +61,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc4>; bus-width = <8>; - cd-gpios = <&gpio7 11 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 11 GPIO_ACTIVE_LOW>; no-1-8-v; keep-power-in-suspend; enable-sdio-wakup; diff --git a/arch/arm/boot/dts/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi index cef04cef3a80..ac88c3467078 100644 --- a/arch/arm/boot/dts/imx6sx-sdb.dtsi +++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi @@ -293,7 +293,7 @@ pinctrl-1 = <&pinctrl_usdhc3_100mhz>; pinctrl-2 = <&pinctrl_usdhc3_200mhz>; bus-width = <8>; - cd-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio2 15 GPIO_ACTIVE_HIGH>; keep-power-in-suspend; enable-sdio-wakeup; @@ -304,7 +304,7 @@ &usdhc4 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc4>; - cd-gpios = <&gpio6 21 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio6 21 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio6 20 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts index 4d1a4b977d84..fdd1d7c9a5cc 100644 --- a/arch/arm/boot/dts/imx7d-sdb.dts +++ b/arch/arm/boot/dts/imx7d-sdb.dts @@ -234,8 +234,8 @@ &usdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc1>; - cd-gpios = <&gpio5 0 0>; - wp-gpios = <&gpio5 1 0>; + cd-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>; enable-sdio-wakeup; keep-power-in-suspend; status = "okay"; diff --git a/arch/arm/boot/dts/k2e.dtsi b/arch/arm/boot/dts/k2e.dtsi index 50e555eab50d..1b6494fbdb91 100644 --- a/arch/arm/boot/dts/k2e.dtsi +++ b/arch/arm/boot/dts/k2e.dtsi @@ -86,7 +86,7 @@ gpio,syscon-dev = <&devctrl 0x240>; }; - pcie@21020000 { + pcie1: pcie@21020000 { compatible = "ti,keystone-pcie","snps,dw-pcie"; clocks = <&clkpcie1>; clock-names = "pcie"; @@ -96,6 +96,7 @@ ranges = <0x81000000 0 0 0x23260000 0x4000 0x4000 0x82000000 0 0x60000000 0x60000000 0 0x10000000>; + status = "disabled"; device_type = "pci"; num-lanes = <2>; diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi index c06542b2c954..e7a6f6deabb6 100644 --- a/arch/arm/boot/dts/keystone.dtsi +++ b/arch/arm/boot/dts/keystone.dtsi @@ -286,7 +286,7 @@ ti,syscon-dev = <&devctrl 0x2a0>; }; - pcie@21800000 { + pcie0: pcie@21800000 { compatible = "ti,keystone-pcie", "snps,dw-pcie"; clocks = <&clkpcie>; clock-names = "pcie"; @@ -296,6 +296,7 @@ ranges = <0x81000000 0 0 0x23250000 0 0x4000 0x82000000 0 0x50000000 0x50000000 0 0x10000000>; + status = "disabled"; device_type = "pci"; num-lanes = <2>; diff --git a/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi b/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi index 233c69e50ae3..df8908adb0cb 100644 --- a/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi +++ b/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi @@ -120,7 +120,7 @@ lcd0: display@0 { compatible = "lgphilips,lb035q02"; - label = "lcd"; + label = "lcd35"; reg = <1>; /* CS1 */ spi-max-frequency = <10000000>; diff --git a/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi b/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi index f5395b7da912..048fd216970a 100644 --- a/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi +++ b/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi @@ -98,7 +98,7 @@ lcd0: display@0 { compatible = "samsung,lte430wq-f0c", "panel-dpi"; - label = "lcd"; + label = "lcd43"; pinctrl-names = "default"; pinctrl-0 = <<e430_pins>; diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi index f884d6adb71e..7d31c6ff246f 100644 --- a/arch/arm/boot/dts/omap4.dtsi +++ b/arch/arm/boot/dts/omap4.dtsi @@ -551,6 +551,7 @@ reg = <0x4a066000 0x100>; interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>; ti,hwmods = "mmu_dsp"; + #iommu-cells = <0>; }; mmu_ipu: mmu@55082000 { @@ -558,6 +559,7 @@ reg = <0x55082000 0x100>; interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>; ti,hwmods = "mmu_ipu"; + #iommu-cells = <0>; ti,iommu-bus-err-back; }; diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 7d24ae0306b5..c8fd648a7108 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -612,6 +612,7 @@ reg = <0x4a066000 0x100>; interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>; ti,hwmods = "mmu_dsp"; + #iommu-cells = <0>; }; mmu_ipu: mmu@55082000 { @@ -619,6 +620,7 @@ reg = <0x55082000 0x100>; interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>; ti,hwmods = "mmu_ipu"; + #iommu-cells = <0>; ti,iommu-bus-err-back; }; diff --git a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts index 71468a7eb28f..5e17fd147728 100644 --- a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts +++ b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts @@ -60,27 +60,27 @@ rxc-skew-ps = <2000>; }; -&mmc0 { - vmmc-supply = <®ulator_3_3v>; - vqmmc-supply = <®ulator_3_3v>; -}; - -&usb1 { - status = "okay"; -}; - &gpio2 { status = "okay"; }; -&i2c1{ +&i2c1 { status = "okay"; - accel1: accel1@53{ - compatible = "adxl34x"; + accel1: accelerometer@53 { + compatible = "adi,adxl345"; reg = <0x53>; - interrupt-parent = < &portc >; + interrupt-parent = <&portc>; interrupts = <3 2>; }; }; + +&mmc0 { + vmmc-supply = <®ulator_3_3v>; + vqmmc-supply = <®ulator_3_3v>; +}; + +&usb1 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/spear1310-evb.dts b/arch/arm/boot/dts/spear1310-evb.dts index d42c84b1df8d..e48857249ce7 100644 --- a/arch/arm/boot/dts/spear1310-evb.dts +++ b/arch/arm/boot/dts/spear1310-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr1310 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear1310.dtsi b/arch/arm/boot/dts/spear1310.dtsi index 9d342920695a..54bc6d3cf290 100644 --- a/arch/arm/boot/dts/spear1310.dtsi +++ b/arch/arm/boot/dts/spear1310.dtsi @@ -1,7 +1,7 @@ /* * DTS file for all SPEAr1310 SoCs * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear1340-evb.dts b/arch/arm/boot/dts/spear1340-evb.dts index b23e05ed1d60..c611f5606dfe 100644 --- a/arch/arm/boot/dts/spear1340-evb.dts +++ b/arch/arm/boot/dts/spear1340-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr1340 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear1340.dtsi b/arch/arm/boot/dts/spear1340.dtsi index 13e1aa33daa2..df2232d767ed 100644 --- a/arch/arm/boot/dts/spear1340.dtsi +++ b/arch/arm/boot/dts/spear1340.dtsi @@ -1,7 +1,7 @@ /* * DTS file for all SPEAr1340 SoCs * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear13xx.dtsi b/arch/arm/boot/dts/spear13xx.dtsi index 40accc87e3a2..14594ce8c18a 100644 --- a/arch/arm/boot/dts/spear13xx.dtsi +++ b/arch/arm/boot/dts/spear13xx.dtsi @@ -1,7 +1,7 @@ /* * DTS file for all SPEAr13xx SoCs * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear300-evb.dts b/arch/arm/boot/dts/spear300-evb.dts index 5de1431653e4..e859e8288bcd 100644 --- a/arch/arm/boot/dts/spear300-evb.dts +++ b/arch/arm/boot/dts/spear300-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr300 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear300.dtsi b/arch/arm/boot/dts/spear300.dtsi index f79b3dfaabe6..f4e92e599729 100644 --- a/arch/arm/boot/dts/spear300.dtsi +++ b/arch/arm/boot/dts/spear300.dtsi @@ -1,7 +1,7 @@ /* * DTS file for SPEAr300 SoC * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear310-evb.dts b/arch/arm/boot/dts/spear310-evb.dts index b09632963d15..070f2c1b7851 100644 --- a/arch/arm/boot/dts/spear310-evb.dts +++ b/arch/arm/boot/dts/spear310-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr310 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear310.dtsi b/arch/arm/boot/dts/spear310.dtsi index 95372080eea6..da210b454753 100644 --- a/arch/arm/boot/dts/spear310.dtsi +++ b/arch/arm/boot/dts/spear310.dtsi @@ -1,7 +1,7 @@ /* * DTS file for SPEAr310 SoC * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear320-evb.dts b/arch/arm/boot/dts/spear320-evb.dts index fdedbb514102..1b1034477923 100644 --- a/arch/arm/boot/dts/spear320-evb.dts +++ b/arch/arm/boot/dts/spear320-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr320 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear320.dtsi b/arch/arm/boot/dts/spear320.dtsi index ffea342aeec9..22be6e5edaac 100644 --- a/arch/arm/boot/dts/spear320.dtsi +++ b/arch/arm/boot/dts/spear320.dtsi @@ -1,7 +1,7 @@ /* * DTS file for SPEAr320 SoC * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear3xx.dtsi b/arch/arm/boot/dts/spear3xx.dtsi index f0e3fcf8e323..118135d75899 100644 --- a/arch/arm/boot/dts/spear3xx.dtsi +++ b/arch/arm/boot/dts/spear3xx.dtsi @@ -1,7 +1,7 @@ /* * DTS file for all SPEAr3xx SoCs * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/ste-ccu8540.dts b/arch/arm/boot/dts/ste-ccu8540.dts index 32dd55e5f4e6..6eaaf638e52e 100644 --- a/arch/arm/boot/dts/ste-ccu8540.dts +++ b/arch/arm/boot/dts/ste-ccu8540.dts @@ -17,6 +17,13 @@ model = "ST-Ericsson U8540 platform with Device Tree"; compatible = "st-ericsson,ccu8540", "st-ericsson,u8540"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + memory@0 { device_type = "memory"; reg = <0x20000000 0x1f000000>, <0xc0000000 0x3f000000>; diff --git a/arch/arm/boot/dts/ste-ccu9540.dts b/arch/arm/boot/dts/ste-ccu9540.dts index 651c56d400a4..c8b815819cfe 100644 --- a/arch/arm/boot/dts/ste-ccu9540.dts +++ b/arch/arm/boot/dts/ste-ccu9540.dts @@ -16,6 +16,13 @@ model = "ST-Ericsson CCU9540 platform with Device Tree"; compatible = "st-ericsson,ccu9540", "st-ericsson,u9540"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + memory { reg = <0x00000000 0x20000000>; }; diff --git a/arch/arm/boot/dts/ste-dbx5x0.dtsi b/arch/arm/boot/dts/ste-dbx5x0.dtsi index 853684ad7773..a75f3289e653 100644 --- a/arch/arm/boot/dts/ste-dbx5x0.dtsi +++ b/arch/arm/boot/dts/ste-dbx5x0.dtsi @@ -971,7 +971,7 @@ power-domains = <&pm_domains DOMAIN_VAPE>; }; - uart@80120000 { + ux500_serial0: uart@80120000 { compatible = "arm,pl011", "arm,primecell"; reg = <0x80120000 0x1000>; interrupts = <0 11 IRQ_TYPE_LEVEL_HIGH>; @@ -986,7 +986,7 @@ status = "disabled"; }; - uart@80121000 { + ux500_serial1: uart@80121000 { compatible = "arm,pl011", "arm,primecell"; reg = <0x80121000 0x1000>; interrupts = <0 19 IRQ_TYPE_LEVEL_HIGH>; @@ -1001,7 +1001,7 @@ status = "disabled"; }; - uart@80007000 { + ux500_serial2: uart@80007000 { compatible = "arm,pl011", "arm,primecell"; reg = <0x80007000 0x1000>; interrupts = <0 26 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm/boot/dts/ste-href.dtsi b/arch/arm/boot/dts/ste-href.dtsi index 744c1e3a744d..6d8ce154347e 100644 --- a/arch/arm/boot/dts/ste-href.dtsi +++ b/arch/arm/boot/dts/ste-href.dtsi @@ -32,11 +32,11 @@ status = "okay"; }; + /* This UART is unused and thus left disabled */ uart@80121000 { pinctrl-names = "default", "sleep"; pinctrl-0 = <&uart1_default_mode>; pinctrl-1 = <&uart1_sleep_mode>; - status = "okay"; }; uart@80007000 { diff --git a/arch/arm/boot/dts/ste-hrefprev60-stuib.dts b/arch/arm/boot/dts/ste-hrefprev60-stuib.dts index 2b1cb5b584b6..18e9795a94f9 100644 --- a/arch/arm/boot/dts/ste-hrefprev60-stuib.dts +++ b/arch/arm/boot/dts/ste-hrefprev60-stuib.dts @@ -17,6 +17,13 @@ model = "ST-Ericsson HREF (pre-v60) and ST UIB"; compatible = "st-ericsson,mop500", "st-ericsson,u8500"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + soc { /* Reset line for the BU21013 touchscreen */ i2c@80110000 { diff --git a/arch/arm/boot/dts/ste-hrefprev60-tvk.dts b/arch/arm/boot/dts/ste-hrefprev60-tvk.dts index 59523f866812..24739914e689 100644 --- a/arch/arm/boot/dts/ste-hrefprev60-tvk.dts +++ b/arch/arm/boot/dts/ste-hrefprev60-tvk.dts @@ -16,4 +16,11 @@ / { model = "ST-Ericsson HREF (pre-v60) and TVK1281618 UIB"; compatible = "st-ericsson,mop500", "st-ericsson,u8500"; + + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; }; diff --git a/arch/arm/boot/dts/ste-hrefprev60.dtsi b/arch/arm/boot/dts/ste-hrefprev60.dtsi index 7f3975b58d16..b0278f4c486c 100644 --- a/arch/arm/boot/dts/ste-hrefprev60.dtsi +++ b/arch/arm/boot/dts/ste-hrefprev60.dtsi @@ -23,6 +23,11 @@ }; soc { + /* Enable UART1 on this board */ + uart@80121000 { + status = "okay"; + }; + i2c@80004000 { tps61052@33 { compatible = "tps61052"; diff --git a/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts b/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts index 8c6a2de56cf1..c2e1ba019a2f 100644 --- a/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts +++ b/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts @@ -19,6 +19,13 @@ model = "ST-Ericsson HREF (v60+) and ST UIB"; compatible = "st-ericsson,hrefv60+", "st-ericsson,u8500"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + soc { /* Reset line for the BU21013 touchscreen */ i2c@80110000 { diff --git a/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts b/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts index d53cccdce776..ebd8547e98f1 100644 --- a/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts +++ b/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts @@ -18,4 +18,11 @@ / { model = "ST-Ericsson HREF (v60+) and TVK1281618 UIB"; compatible = "st-ericsson,hrefv60+", "st-ericsson,u8500"; + + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; }; diff --git a/arch/arm/boot/dts/ste-hrefv60plus.dtsi b/arch/arm/boot/dts/ste-hrefv60plus.dtsi index a4bc9e77d640..810cda743b6d 100644 --- a/arch/arm/boot/dts/ste-hrefv60plus.dtsi +++ b/arch/arm/boot/dts/ste-hrefv60plus.dtsi @@ -43,15 +43,26 @@ <&vaudio_hf_hrefv60_mode>, <&gbf_hrefv60_mode>, <&hdtv_hrefv60_mode>, - <&touch_hrefv60_mode>; + <&touch_hrefv60_mode>, + <&gpios_hrefv60_mode>; sdi0 { - /* SD card detect GPIO pin, extend default state */ sdi0_default_mode: sdi0_default { + /* SD card detect GPIO pin, extend default state */ default_hrefv60_cfg1 { pins = "GPIO95_E8"; ste,config = <&gpio_in_pu>; }; + /* VMMCI level-shifter enable */ + default_hrefv60_cfg2 { + pins = "GPIO169_D22"; + ste,config = <&gpio_out_lo>; + }; + /* VMMCI level-shifter voltage select */ + default_hrefv60_cfg3 { + pins = "GPIO5_AG6"; + ste,config = <&gpio_out_hi>; + }; }; }; ipgpio { @@ -213,6 +224,16 @@ }; }; }; + gpios { + /* Dangling GPIO pins */ + gpios_hrefv60_mode: gpios_hrefv60 { + default_cfg1 { + /* Normally UART1 RXD, now dangling */ + pins = "GPIO4_AH6"; + ste,config = <&in_pu>; + }; + }; + }; }; }; }; diff --git a/arch/arm/boot/dts/ste-snowball.dts b/arch/arm/boot/dts/ste-snowball.dts index 9edadc37719f..32a5ccb14e7e 100644 --- a/arch/arm/boot/dts/ste-snowball.dts +++ b/arch/arm/boot/dts/ste-snowball.dts @@ -18,6 +18,13 @@ model = "Calao Systems Snowball platform with device tree"; compatible = "calaosystems,snowball-a9500", "st-ericsson,u9500"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + memory { reg = <0x00000000 0x20000000>; }; @@ -223,11 +230,11 @@ status = "okay"; }; + /* This UART is unused and thus left disabled */ uart@80121000 { pinctrl-names = "default", "sleep"; pinctrl-0 = <&uart1_default_mode>; pinctrl-1 = <&uart1_sleep_mode>; - status = "okay"; }; uart@80007000 { @@ -452,7 +459,21 @@ pins = "GPIO21_AB3"; /* DAT31DIR */ ste,config = <&out_hi>; }; - + /* SD card detect GPIO pin, extend default state */ + snowball_cfg2 { + pins = "GPIO218_AH11"; + ste,config = <&gpio_in_pu>; + }; + /* VMMCI level-shifter enable */ + snowball_cfg3 { + pins = "GPIO217_AH12"; + ste,config = <&gpio_out_lo>; + }; + /* VMMCI level-shifter voltage select */ + snowball_cfg4 { + pins = "GPIO228_AJ6"; + ste,config = <&gpio_out_hi>; + }; }; }; ssp0 { diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild index 83c50193626c..30b3bc1666d2 100644 --- a/arch/arm/include/asm/Kbuild +++ b/arch/arm/include/asm/Kbuild @@ -13,6 +13,7 @@ generic-y += kdebug.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += msgbuf.h generic-y += param.h generic-y += parport.h diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 6f225acc07c5..b7f6fb462ea0 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -286,7 +286,7 @@ extern phys_addr_t (*arch_virt_to_idmap)(unsigned long x); */ static inline phys_addr_t __virt_to_idmap(unsigned long x) { - if (arch_virt_to_idmap) + if (IS_ENABLED(CONFIG_MMU) && arch_virt_to_idmap) return arch_virt_to_idmap(x); else return __virt_to_phys(x); diff --git a/arch/arm/include/asm/mm-arch-hooks.h b/arch/arm/include/asm/mm-arch-hooks.h deleted file mode 100644 index 7056660c7cc4..000000000000 --- a/arch/arm/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_ARM_MM_ARCH_HOOKS_H -#define _ASM_ARM_MM_ARCH_HOOKS_H - -#endif /* _ASM_ARM_MM_ARCH_HOOKS_H */ diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index 357f57ea83f4..54272e0be713 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -818,12 +818,13 @@ static int of_pmu_irq_cfg(struct arm_pmu *pmu) if (arch_find_n_match_cpu_physical_id(dn, cpu, NULL)) break; - of_node_put(dn); if (cpu >= nr_cpu_ids) { pr_warn("Failed to find logical CPU for %s\n", dn->name); + of_node_put(dn); break; } + of_node_put(dn); irqs[i] = cpu; cpumask_set_cpu(cpu, &pmu->supported_cpus); diff --git a/arch/arm/kernel/reboot.c b/arch/arm/kernel/reboot.c index 1a4d232796be..38269358fd25 100644 --- a/arch/arm/kernel/reboot.c +++ b/arch/arm/kernel/reboot.c @@ -50,7 +50,7 @@ static void __soft_restart(void *addr) flush_cache_all(); /* Switch to the identity mapping. */ - phys_reset = (phys_reset_t)(unsigned long)virt_to_phys(cpu_reset); + phys_reset = (phys_reset_t)(unsigned long)virt_to_idmap(cpu_reset); phys_reset((unsigned long)addr); /* Should never get here. */ diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c index 80bad29d609a..8c4467fad837 100644 --- a/arch/arm/mach-imx/gpc.c +++ b/arch/arm/mach-imx/gpc.c @@ -291,8 +291,6 @@ void __init imx_gpc_check_dt(void) } } -#ifdef CONFIG_PM_GENERIC_DOMAINS - static void _imx6q_pm_pu_power_off(struct generic_pm_domain *genpd) { int iso, iso2sw; @@ -399,7 +397,6 @@ static struct genpd_onecell_data imx_gpc_onecell_data = { static int imx_gpc_genpd_init(struct device *dev, struct regulator *pu_reg) { struct clk *clk; - bool is_off; int i; imx6q_pu_domain.reg = pu_reg; @@ -416,18 +413,13 @@ static int imx_gpc_genpd_init(struct device *dev, struct regulator *pu_reg) } imx6q_pu_domain.num_clks = i; - is_off = IS_ENABLED(CONFIG_PM); - if (is_off) { - _imx6q_pm_pu_power_off(&imx6q_pu_domain.base); - } else { - /* - * Enable power if compiled without CONFIG_PM in case the - * bootloader disabled it. - */ - imx6q_pm_pu_power_on(&imx6q_pu_domain.base); - } + /* Enable power always in case bootloader disabled it. */ + imx6q_pm_pu_power_on(&imx6q_pu_domain.base); + + if (!IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS)) + return 0; - pm_genpd_init(&imx6q_pu_domain.base, NULL, is_off); + pm_genpd_init(&imx6q_pu_domain.base, NULL, false); return of_genpd_add_provider_onecell(dev->of_node, &imx_gpc_onecell_data); @@ -437,13 +429,6 @@ clk_err: return -EINVAL; } -#else -static inline int imx_gpc_genpd_init(struct device *dev, struct regulator *reg) -{ - return 0; -} -#endif /* CONFIG_PM_GENERIC_DOMAINS */ - static int imx_gpc_probe(struct platform_device *pdev) { struct regulator *pu_reg; diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index ecc04ff13e95..4a023e8d1bdb 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -60,6 +60,7 @@ config SOC_AM43XX select ARM_GIC select MACH_OMAP_GENERIC select MIGHT_HAVE_CACHE_L2X0 + select HAVE_ARM_SCU config SOC_DRA7XX bool "TI DRA7XX" diff --git a/arch/arm/mach-pxa/capc7117.c b/arch/arm/mach-pxa/capc7117.c index c092730749b9..bf366b39fa61 100644 --- a/arch/arm/mach-pxa/capc7117.c +++ b/arch/arm/mach-pxa/capc7117.c @@ -24,6 +24,7 @@ #include <linux/ata_platform.h> #include <linux/serial_8250.h> #include <linux/gpio.h> +#include <linux/regulator/machine.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -144,6 +145,8 @@ static void __init capc7117_init(void) capc7117_uarts_init(); capc7117_ide_init(); + + regulator_has_full_constraints(); } MACHINE_START(CAPC7117, diff --git a/arch/arm/mach-pxa/cm-x2xx.c b/arch/arm/mach-pxa/cm-x2xx.c index bb99f59a36d8..a17a91eb8e9a 100644 --- a/arch/arm/mach-pxa/cm-x2xx.c +++ b/arch/arm/mach-pxa/cm-x2xx.c @@ -13,6 +13,7 @@ #include <linux/syscore_ops.h> #include <linux/irq.h> #include <linux/gpio.h> +#include <linux/regulator/machine.h> #include <linux/dm9000.h> #include <linux/leds.h> @@ -466,6 +467,8 @@ static void __init cmx2xx_init(void) cmx2xx_init_ac97(); cmx2xx_init_touchscreen(); cmx2xx_init_leds(); + + regulator_has_full_constraints(); } static void __init cmx2xx_init_irq(void) diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c index 4d3588d26c2a..5851f4c254c1 100644 --- a/arch/arm/mach-pxa/cm-x300.c +++ b/arch/arm/mach-pxa/cm-x300.c @@ -835,6 +835,8 @@ static void __init cm_x300_init(void) cm_x300_init_ac97(); cm_x300_init_wi2wi(); cm_x300_init_bl(); + + regulator_has_full_constraints(); } static void __init cm_x300_fixup(struct tag *tags, char **cmdline) diff --git a/arch/arm/mach-pxa/colibri-pxa270.c b/arch/arm/mach-pxa/colibri-pxa270.c index 5f9d9303b346..3503826333c7 100644 --- a/arch/arm/mach-pxa/colibri-pxa270.c +++ b/arch/arm/mach-pxa/colibri-pxa270.c @@ -18,6 +18,7 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> #include <linux/platform_device.h> +#include <linux/regulator/machine.h> #include <linux/ucb1400.h> #include <asm/mach/arch.h> @@ -294,6 +295,8 @@ static void __init colibri_pxa270_init(void) printk(KERN_ERR "Illegal colibri_pxa270_baseboard type %d\n", colibri_pxa270_baseboard); } + + regulator_has_full_constraints(); } /* The "Income s.r.o. SH-Dmaster PXA270 SBC" board can be booted either diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c index 51531ecffca8..9d7072b04045 100644 --- a/arch/arm/mach-pxa/em-x270.c +++ b/arch/arm/mach-pxa/em-x270.c @@ -1306,6 +1306,8 @@ static void __init em_x270_init(void) em_x270_init_i2c(); em_x270_init_camera(); em_x270_userspace_consumers_init(); + + regulator_has_full_constraints(); } MACHINE_START(EM_X270, "Compulab EM-X270") diff --git a/arch/arm/mach-pxa/icontrol.c b/arch/arm/mach-pxa/icontrol.c index c98511c5abd1..9b0eb0252af6 100644 --- a/arch/arm/mach-pxa/icontrol.c +++ b/arch/arm/mach-pxa/icontrol.c @@ -26,6 +26,7 @@ #include <linux/spi/spi.h> #include <linux/spi/pxa2xx_spi.h> #include <linux/can/platform/mcp251x.h> +#include <linux/regulator/machine.h> #include "generic.h" @@ -185,6 +186,8 @@ static void __init icontrol_init(void) mxm_8x10_mmc_init(); icontrol_can_init(); + + regulator_has_full_constraints(); } MACHINE_START(ICONTROL, "iControl/SafeTcam boards using Embedian MXM-8x10 CoM") diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c index 872dcb20e757..066e3a250ee0 100644 --- a/arch/arm/mach-pxa/trizeps4.c +++ b/arch/arm/mach-pxa/trizeps4.c @@ -26,6 +26,7 @@ #include <linux/dm9000.h> #include <linux/mtd/physmap.h> #include <linux/mtd/partitions.h> +#include <linux/regulator/machine.h> #include <linux/i2c/pxa-i2c.h> #include <asm/types.h> @@ -534,6 +535,8 @@ static void __init trizeps4_init(void) BCR_writew(trizeps_conxs_bcr); board_backlight_power(1); + + regulator_has_full_constraints(); } static void __init trizeps4_map_io(void) diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c index aa89488f961e..54122a983ae3 100644 --- a/arch/arm/mach-pxa/vpac270.c +++ b/arch/arm/mach-pxa/vpac270.c @@ -24,6 +24,7 @@ #include <linux/dm9000.h> #include <linux/ucb1400.h> #include <linux/ata_platform.h> +#include <linux/regulator/machine.h> #include <linux/regulator/max1586.h> #include <linux/i2c/pxa-i2c.h> @@ -711,6 +712,8 @@ static void __init vpac270_init(void) vpac270_ts_init(); vpac270_rtc_init(); vpac270_ide_init(); + + regulator_has_full_constraints(); } MACHINE_START(VPAC270, "Voipac PXA270") diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c index ac2ae5c71ab4..6158566fa0f7 100644 --- a/arch/arm/mach-pxa/zeus.c +++ b/arch/arm/mach-pxa/zeus.c @@ -868,6 +868,8 @@ static void __init zeus_init(void) i2c_register_board_info(0, ARRAY_AND_SIZE(zeus_i2c_devices)); pxa2xx_set_spi_info(3, &pxa2xx_spi_ssp3_master_info); spi_register_board_info(zeus_spi_board_info, ARRAY_SIZE(zeus_spi_board_info)); + + regulator_has_full_constraints(); } static struct map_desc zeus_io_desc[] __initdata = { diff --git a/arch/arm/mach-spear/generic.h b/arch/arm/mach-spear/generic.h index a99d90a4d09c..06640914d9a0 100644 --- a/arch/arm/mach-spear/generic.h +++ b/arch/arm/mach-spear/generic.h @@ -3,7 +3,7 @@ * * Copyright (C) 2009-2012 ST Microelectronics * Rajeev Kumar <rajeev-dlh.kumar@st.com> - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/include/mach/irqs.h b/arch/arm/mach-spear/include/mach/irqs.h index 92da0a8c6bce..7058720c5278 100644 --- a/arch/arm/mach-spear/include/mach/irqs.h +++ b/arch/arm/mach-spear/include/mach/irqs.h @@ -3,7 +3,7 @@ * * Copyright (C) 2009-2012 ST Microelectronics * Rajeev Kumar <rajeev-dlh.kumar@st.com> - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/include/mach/misc_regs.h b/arch/arm/mach-spear/include/mach/misc_regs.h index 935639ce59ba..cfaf7c665b58 100644 --- a/arch/arm/mach-spear/include/mach/misc_regs.h +++ b/arch/arm/mach-spear/include/mach/misc_regs.h @@ -4,7 +4,7 @@ * Miscellaneous registers definitions for SPEAr3xx machine family * * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/include/mach/spear.h b/arch/arm/mach-spear/include/mach/spear.h index f2d6a0176575..5ed841ccf8a3 100644 --- a/arch/arm/mach-spear/include/mach/spear.h +++ b/arch/arm/mach-spear/include/mach/spear.h @@ -3,7 +3,7 @@ * * Copyright (C) 2009,2012 ST Microelectronics * Rajeev Kumar<rajeev-dlh.kumar@st.com> - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/include/mach/uncompress.h b/arch/arm/mach-spear/include/mach/uncompress.h index 51b2dc93e4da..8439b9c12edb 100644 --- a/arch/arm/mach-spear/include/mach/uncompress.h +++ b/arch/arm/mach-spear/include/mach/uncompress.h @@ -4,7 +4,7 @@ * Serial port stubs for kernel decompress status messages * * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/pl080.c b/arch/arm/mach-spear/pl080.c index cfa1199d0f4a..b4529f3e0ee9 100644 --- a/arch/arm/mach-spear/pl080.c +++ b/arch/arm/mach-spear/pl080.c @@ -4,7 +4,7 @@ * DMAC pl080 definitions for SPEAr platform * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/pl080.h b/arch/arm/mach-spear/pl080.h index eb6590ded40d..608dec6725ae 100644 --- a/arch/arm/mach-spear/pl080.h +++ b/arch/arm/mach-spear/pl080.h @@ -4,7 +4,7 @@ * DMAC pl080 definitions for SPEAr platform * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/restart.c b/arch/arm/mach-spear/restart.c index ce5e098c4888..b4342155a783 100644 --- a/arch/arm/mach-spear/restart.c +++ b/arch/arm/mach-spear/restart.c @@ -4,7 +4,7 @@ * SPEAr platform specific restart functions * * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear1310.c b/arch/arm/mach-spear/spear1310.c index d9ce4d8000f0..cd5d375d91f0 100644 --- a/arch/arm/mach-spear/spear1310.c +++ b/arch/arm/mach-spear/spear1310.c @@ -4,7 +4,7 @@ * SPEAr1310 machine source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear1340.c b/arch/arm/mach-spear/spear1340.c index 3f3c0f124bd3..94594d5a446c 100644 --- a/arch/arm/mach-spear/spear1340.c +++ b/arch/arm/mach-spear/spear1340.c @@ -4,7 +4,7 @@ * SPEAr1340 machine source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear13xx.c b/arch/arm/mach-spear/spear13xx.c index 2e463a93468d..b7afce6795f4 100644 --- a/arch/arm/mach-spear/spear13xx.c +++ b/arch/arm/mach-spear/spear13xx.c @@ -4,7 +4,7 @@ * SPEAr13XX machines common source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear300.c b/arch/arm/mach-spear/spear300.c index b52e48f342f4..5b32edda2276 100644 --- a/arch/arm/mach-spear/spear300.c +++ b/arch/arm/mach-spear/spear300.c @@ -4,7 +4,7 @@ * SPEAr300 machine source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear310.c b/arch/arm/mach-spear/spear310.c index ed2029db391f..86a44ac7ff67 100644 --- a/arch/arm/mach-spear/spear310.c +++ b/arch/arm/mach-spear/spear310.c @@ -4,7 +4,7 @@ * SPEAr310 machine source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear320.c b/arch/arm/mach-spear/spear320.c index bf634b32a930..d45d751926c5 100644 --- a/arch/arm/mach-spear/spear320.c +++ b/arch/arm/mach-spear/spear320.c @@ -4,7 +4,7 @@ * SPEAr320 machine source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear3xx.c b/arch/arm/mach-spear/spear3xx.c index bf3b1fd8cb23..23394ac76cf2 100644 --- a/arch/arm/mach-spear/spear3xx.c +++ b/arch/arm/mach-spear/spear3xx.c @@ -4,7 +4,7 @@ * SPEAr3XX machines common source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 1ced8a0f7a52..cba12f34ff77 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -1971,7 +1971,7 @@ static int extend_iommu_mapping(struct dma_iommu_mapping *mapping) { int next_bitmap; - if (mapping->nr_bitmaps > mapping->extensions) + if (mapping->nr_bitmaps >= mapping->extensions) return -EINVAL; next_bitmap = mapping->nr_bitmaps; diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 0716bbe19872..de2b246fed38 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -274,7 +274,10 @@ __v7_ca15mp_setup: __v7_b15mp_setup: __v7_ca17mp_setup: mov r10, #0 -1: +1: adr r12, __v7_setup_stack @ the local stack + stmia r12, {r0-r5, lr} @ v7_invalidate_l1 touches r0-r6 + bl v7_invalidate_l1 + ldmia r12, {r0-r5, lr} #ifdef CONFIG_SMP ALT_SMP(mrc p15, 0, r0, c1, c0, 1) ALT_UP(mov r0, #(1 << 6)) @ fake it for UP @@ -283,7 +286,7 @@ __v7_ca17mp_setup: orreq r0, r0, r10 @ Enable CPU-specific SMP bits mcreq p15, 0, r0, c1, c0, 1 #endif - b __v7_setup + b __v7_setup_cont /* * Errata: @@ -413,10 +416,11 @@ __v7_pj4b_setup: __v7_setup: adr r12, __v7_setup_stack @ the local stack - stmia r12, {r0-r5, r7, r9, r11, lr} + stmia r12, {r0-r5, lr} @ v7_invalidate_l1 touches r0-r6 bl v7_invalidate_l1 - ldmia r12, {r0-r5, r7, r9, r11, lr} + ldmia r12, {r0-r5, lr} +__v7_setup_cont: and r0, r9, #0xff000000 @ ARM? teq r0, #0x41000000 bne __errata_finish @@ -480,7 +484,7 @@ ENDPROC(__v7_setup) .align 2 __v7_setup_stack: - .space 4 * 11 @ 11 registers + .space 4 * 7 @ 12 registers __INITDATA diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index 4550d247e308..c011e2296cb1 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -74,32 +74,52 @@ struct jit_ctx { int bpf_jit_enable __read_mostly; -static u64 jit_get_skb_b(struct sk_buff *skb, unsigned offset) +static inline int call_neg_helper(struct sk_buff *skb, int offset, void *ret, + unsigned int size) +{ + void *ptr = bpf_internal_load_pointer_neg_helper(skb, offset, size); + + if (!ptr) + return -EFAULT; + memcpy(ret, ptr, size); + return 0; +} + +static u64 jit_get_skb_b(struct sk_buff *skb, int offset) { u8 ret; int err; - err = skb_copy_bits(skb, offset, &ret, 1); + if (offset < 0) + err = call_neg_helper(skb, offset, &ret, 1); + else + err = skb_copy_bits(skb, offset, &ret, 1); return (u64)err << 32 | ret; } -static u64 jit_get_skb_h(struct sk_buff *skb, unsigned offset) +static u64 jit_get_skb_h(struct sk_buff *skb, int offset) { u16 ret; int err; - err = skb_copy_bits(skb, offset, &ret, 2); + if (offset < 0) + err = call_neg_helper(skb, offset, &ret, 2); + else + err = skb_copy_bits(skb, offset, &ret, 2); return (u64)err << 32 | ntohs(ret); } -static u64 jit_get_skb_w(struct sk_buff *skb, unsigned offset) +static u64 jit_get_skb_w(struct sk_buff *skb, int offset) { u32 ret; int err; - err = skb_copy_bits(skb, offset, &ret, 4); + if (offset < 0) + err = call_neg_helper(skb, offset, &ret, 4); + else + err = skb_copy_bits(skb, offset, &ret, 4); return (u64)err << 32 | ntohl(ret); } @@ -536,9 +556,6 @@ static int build_body(struct jit_ctx *ctx) case BPF_LD | BPF_B | BPF_ABS: load_order = 0; load: - /* the interpreter will deal with the negative K */ - if ((int)k < 0) - return -ENOTSUPP; emit_mov_i(r_off, k, ctx); load_common: ctx->seen |= SEEN_DATA | SEEN_CALL; @@ -547,12 +564,24 @@ load_common: emit(ARM_SUB_I(r_scratch, r_skb_hl, 1 << load_order), ctx); emit(ARM_CMP_R(r_scratch, r_off), ctx); - condt = ARM_COND_HS; + condt = ARM_COND_GE; } else { emit(ARM_CMP_R(r_skb_hl, r_off), ctx); condt = ARM_COND_HI; } + /* + * test for negative offset, only if we are + * currently scheduled to take the fast + * path. this will update the flags so that + * the slowpath instruction are ignored if the + * offset is negative. + * + * for loard_order == 0 the HI condition will + * make loads at offset 0 take the slow path too. + */ + _emit(condt, ARM_CMP_I(r_off, 0), ctx); + _emit(condt, ARM_ADD_R(r_scratch, r_off, r_skb_data), ctx); @@ -860,9 +889,11 @@ b_epilogue: off = offsetof(struct sk_buff, vlan_tci); emit(ARM_LDRH_I(r_A, r_skb, off), ctx); if (code == (BPF_ANC | SKF_AD_VLAN_TAG)) - OP_IMM3(ARM_AND, r_A, r_A, VLAN_VID_MASK, ctx); - else - OP_IMM3(ARM_AND, r_A, r_A, VLAN_TAG_PRESENT, ctx); + OP_IMM3(ARM_AND, r_A, r_A, ~VLAN_TAG_PRESENT, ctx); + else { + OP_IMM3(ARM_LSR, r_A, r_A, 12, ctx); + OP_IMM3(ARM_AND, r_A, r_A, 0x1, ctx); + } break; case BPF_ANC | SKF_AD_QUEUE: ctx->seen |= SEEN_SKB; diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index b112a39834d0..70fd9ffb58cf 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -25,6 +25,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += msi.h diff --git a/arch/arm64/include/asm/mm-arch-hooks.h b/arch/arm64/include/asm/mm-arch-hooks.h deleted file mode 100644 index 562b655f5ba9..000000000000 --- a/arch/arm64/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_ARM64_MM_ARCH_HOOKS_H -#define _ASM_ARM64_MM_ARCH_HOOKS_H - -#endif /* _ASM_ARM64_MM_ARCH_HOOKS_H */ diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index f860bfda454a..e16351819fed 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -585,7 +585,8 @@ ENDPROC(el0_irq) * */ ENTRY(cpu_switch_to) - add x8, x0, #THREAD_CPU_CONTEXT + mov x10, #THREAD_CPU_CONTEXT + add x8, x0, x10 mov x9, sp stp x19, x20, [x8], #16 // store callee-saved registers stp x21, x22, [x8], #16 @@ -594,7 +595,7 @@ ENTRY(cpu_switch_to) stp x27, x28, [x8], #16 stp x29, x9, [x8], #16 str lr, [x8] - add x8, x1, #THREAD_CPU_CONTEXT + add x8, x1, x10 ldp x19, x20, [x8], #16 // restore callee-saved registers ldp x21, x22, [x8], #16 ldp x23, x24, [x8], #16 diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c index 240b75c0e94f..463fa2e7e34c 100644 --- a/arch/arm64/kernel/irq.c +++ b/arch/arm64/kernel/irq.c @@ -61,7 +61,7 @@ void __init init_IRQ(void) static bool migrate_one_irq(struct irq_desc *desc) { struct irq_data *d = irq_desc_get_irq_data(desc); - const struct cpumask *affinity = d->affinity; + const struct cpumask *affinity = irq_data_get_affinity_mask(d); struct irq_chip *c; bool ret = false; @@ -81,7 +81,7 @@ static bool migrate_one_irq(struct irq_desc *desc) if (!c->irq_set_affinity) pr_debug("IRQ%u: unable to set affinity\n", d->irq); else if (c->irq_set_affinity(d, affinity, false) == IRQ_SET_MASK_OK && ret) - cpumask_copy(d->affinity, affinity); + cpumask_copy(irq_data_get_affinity_mask(d), affinity); return ret; } diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild index 1d66afdfac07..f61f2dd67464 100644 --- a/arch/avr32/include/asm/Kbuild +++ b/arch/avr32/include/asm/Kbuild @@ -12,6 +12,7 @@ generic-y += irq_work.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += param.h generic-y += percpu.h generic-y += preempt.h diff --git a/arch/avr32/include/asm/mm-arch-hooks.h b/arch/avr32/include/asm/mm-arch-hooks.h deleted file mode 100644 index 145452ffbdad..000000000000 --- a/arch/avr32/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_AVR32_MM_ARCH_HOOKS_H -#define _ASM_AVR32_MM_ARCH_HOOKS_H - -#endif /* _ASM_AVR32_MM_ARCH_HOOKS_H */ diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c index d0f771be9e96..a124c55733db 100644 --- a/arch/avr32/kernel/time.c +++ b/arch/avr32/kernel/time.c @@ -18,6 +18,7 @@ #include <mach/pm.h> +static bool disable_cpu_idle_poll; static cycle_t read_cycle_count(struct clocksource *cs) { @@ -80,45 +81,45 @@ static int comparator_next_event(unsigned long delta, return 0; } -static void comparator_mode(enum clock_event_mode mode, - struct clock_event_device *evdev) +static int comparator_shutdown(struct clock_event_device *evdev) { - switch (mode) { - case CLOCK_EVT_MODE_ONESHOT: - pr_debug("%s: start\n", evdev->name); - /* FALLTHROUGH */ - case CLOCK_EVT_MODE_RESUME: + pr_debug("%s: %s\n", __func__, evdev->name); + sysreg_write(COMPARE, 0); + + if (disable_cpu_idle_poll) { + disable_cpu_idle_poll = false; /* - * If we're using the COUNT and COMPARE registers we - * need to force idle poll. + * Only disable idle poll if we have forced that + * in a previous call. */ - cpu_idle_poll_ctrl(true); - break; - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_SHUTDOWN: - sysreg_write(COMPARE, 0); - pr_debug("%s: stop\n", evdev->name); - if (evdev->mode == CLOCK_EVT_MODE_ONESHOT || - evdev->mode == CLOCK_EVT_MODE_RESUME) { - /* - * Only disable idle poll if we have forced that - * in a previous call. - */ - cpu_idle_poll_ctrl(false); - } - break; - default: - BUG(); + cpu_idle_poll_ctrl(false); } + return 0; +} + +static int comparator_set_oneshot(struct clock_event_device *evdev) +{ + pr_debug("%s: %s\n", __func__, evdev->name); + + disable_cpu_idle_poll = true; + /* + * If we're using the COUNT and COMPARE registers we + * need to force idle poll. + */ + cpu_idle_poll_ctrl(true); + + return 0; } static struct clock_event_device comparator = { - .name = "avr32_comparator", - .features = CLOCK_EVT_FEAT_ONESHOT, - .shift = 16, - .rating = 50, - .set_next_event = comparator_next_event, - .set_mode = comparator_mode, + .name = "avr32_comparator", + .features = CLOCK_EVT_FEAT_ONESHOT, + .shift = 16, + .rating = 50, + .set_next_event = comparator_next_event, + .set_state_shutdown = comparator_shutdown, + .set_state_oneshot = comparator_set_oneshot, + .tick_resume = comparator_set_oneshot, }; void read_persistent_clock(struct timespec *ts) diff --git a/arch/blackfin/include/asm/Kbuild b/arch/blackfin/include/asm/Kbuild index 07051a63415d..61cd1e786a14 100644 --- a/arch/blackfin/include/asm/Kbuild +++ b/arch/blackfin/include/asm/Kbuild @@ -21,6 +21,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += mutex.h diff --git a/arch/blackfin/include/asm/mm-arch-hooks.h b/arch/blackfin/include/asm/mm-arch-hooks.h deleted file mode 100644 index 1c5211ec338f..000000000000 --- a/arch/blackfin/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_BLACKFIN_MM_ARCH_HOOKS_H -#define _ASM_BLACKFIN_MM_ARCH_HOOKS_H - -#endif /* _ASM_BLACKFIN_MM_ARCH_HOOKS_H */ diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild index 7aeb32272975..f17c4dc6050c 100644 --- a/arch/c6x/include/asm/Kbuild +++ b/arch/c6x/include/asm/Kbuild @@ -26,6 +26,7 @@ generic-y += kdebug.h generic-y += kmap_types.h generic-y += local.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += mmu.h generic-y += mmu_context.h diff --git a/arch/c6x/include/asm/mm-arch-hooks.h b/arch/c6x/include/asm/mm-arch-hooks.h deleted file mode 100644 index bb3c4a6ce8e9..000000000000 --- a/arch/c6x/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_C6X_MM_ARCH_HOOKS_H -#define _ASM_C6X_MM_ARCH_HOOKS_H - -#endif /* _ASM_C6X_MM_ARCH_HOOKS_H */ diff --git a/arch/cris/arch-v32/drivers/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c index 4dda9bd6b8fb..e989cee77414 100644 --- a/arch/cris/arch-v32/drivers/sync_serial.c +++ b/arch/cris/arch-v32/drivers/sync_serial.c @@ -1464,7 +1464,7 @@ static inline void handle_rx_packet(struct sync_port *port) if (port->write_ts_idx == NBR_IN_DESCR) port->write_ts_idx = 0; idx = port->write_ts_idx++; - do_posix_clock_monotonic_gettime(&port->timestamp[idx]); + ktime_get_ts(&port->timestamp[idx]); port->in_buffer_len += port->inbufchunk; } spin_unlock_irqrestore(&port->lock, flags); diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild index d294f6aaff1d..ad2244f35bca 100644 --- a/arch/cris/include/asm/Kbuild +++ b/arch/cris/include/asm/Kbuild @@ -18,6 +18,7 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += module.h generic-y += percpu.h generic-y += preempt.h diff --git a/arch/cris/include/asm/mm-arch-hooks.h b/arch/cris/include/asm/mm-arch-hooks.h deleted file mode 100644 index 314f774db2b0..000000000000 --- a/arch/cris/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_CRIS_MM_ARCH_HOOKS_H -#define _ASM_CRIS_MM_ARCH_HOOKS_H - -#endif /* _ASM_CRIS_MM_ARCH_HOOKS_H */ diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild index 30edce31e5c2..8e47b832cc76 100644 --- a/arch/frv/include/asm/Kbuild +++ b/arch/frv/include/asm/Kbuild @@ -4,5 +4,6 @@ generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += trace_clock.h diff --git a/arch/frv/include/asm/mm-arch-hooks.h b/arch/frv/include/asm/mm-arch-hooks.h deleted file mode 100644 index 51d13a870404..000000000000 --- a/arch/frv/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_FRV_MM_ARCH_HOOKS_H -#define _ASM_FRV_MM_ARCH_HOOKS_H - -#endif /* _ASM_FRV_MM_ARCH_HOOKS_H */ diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild index 00379d64f707..70e6ae1e7006 100644 --- a/arch/h8300/include/asm/Kbuild +++ b/arch/h8300/include/asm/Kbuild @@ -33,6 +33,7 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += mmu.h generic-y += mmu_context.h diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild index 5ade4a163558..daee37bd0999 100644 --- a/arch/hexagon/include/asm/Kbuild +++ b/arch/hexagon/include/asm/Kbuild @@ -28,6 +28,7 @@ generic-y += kmap_types.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += pci.h diff --git a/arch/hexagon/include/asm/mm-arch-hooks.h b/arch/hexagon/include/asm/mm-arch-hooks.h deleted file mode 100644 index 05e8b939e416..000000000000 --- a/arch/hexagon/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_HEXAGON_MM_ARCH_HOOKS_H -#define _ASM_HEXAGON_MM_ARCH_HOOKS_H - -#endif /* _ASM_HEXAGON_MM_ARCH_HOOKS_H */ diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild index ccff13d33fa2..9de3ba12f6b9 100644 --- a/arch/ia64/include/asm/Kbuild +++ b/arch/ia64/include/asm/Kbuild @@ -4,6 +4,7 @@ generic-y += exec.h generic-y += irq_work.h generic-y += kvm_para.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += trace_clock.h generic-y += vtime.h diff --git a/arch/ia64/include/asm/mm-arch-hooks.h b/arch/ia64/include/asm/mm-arch-hooks.h deleted file mode 100644 index ab4b5c698322..000000000000 --- a/arch/ia64/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_IA64_MM_ARCH_HOOKS_H -#define _ASM_IA64_MM_ARCH_HOOKS_H - -#endif /* _ASM_IA64_MM_ARCH_HOOKS_H */ diff --git a/arch/m32r/include/asm/Kbuild b/arch/m32r/include/asm/Kbuild index ba1cdc018731..e0eb704ca1fa 100644 --- a/arch/m32r/include/asm/Kbuild +++ b/arch/m32r/include/asm/Kbuild @@ -4,6 +4,7 @@ generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += module.h generic-y += preempt.h generic-y += sections.h diff --git a/arch/m32r/include/asm/io.h b/arch/m32r/include/asm/io.h index 0c3f25ee3381..f8de767ce2bc 100644 --- a/arch/m32r/include/asm/io.h +++ b/arch/m32r/include/asm/io.h @@ -174,6 +174,11 @@ static inline void _writel(unsigned long l, unsigned long addr) #define iowrite16 writew #define iowrite32 writel +#define ioread16be(addr) be16_to_cpu(readw(addr)) +#define ioread32be(addr) be32_to_cpu(readl(addr)) +#define iowrite16be(v, addr) writew(cpu_to_be16(v), (addr)) +#define iowrite32be(v, addr) writel(cpu_to_be32(v), (addr)) + #define mmiowb() #define flush_write_buffers() do { } while (0) /* M32R_FIXME */ diff --git a/arch/m32r/include/asm/mm-arch-hooks.h b/arch/m32r/include/asm/mm-arch-hooks.h deleted file mode 100644 index 6d60b4750f41..000000000000 --- a/arch/m32r/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_M32R_MM_ARCH_HOOKS_H -#define _ASM_M32R_MM_ARCH_HOOKS_H - -#endif /* _ASM_M32R_MM_ARCH_HOOKS_H */ diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu index 33013dfcd3e1..c496d48a8c8d 100644 --- a/arch/m68k/Kconfig.cpu +++ b/arch/m68k/Kconfig.cpu @@ -125,6 +125,13 @@ endif # M68KCLASSIC if COLDFIRE +choice + prompt "ColdFire SoC type" + default M520x + help + Select the type of ColdFire System-on-Chip (SoC) that you want + to build for. + config M5206 bool "MCF5206" depends on !MMU @@ -174,9 +181,6 @@ config M525x help Freescale (Motorola) Coldfire 5251/5253 processor support. -config M527x - bool - config M5271 bool "MCF5271" depends on !MMU @@ -223,9 +227,6 @@ config M5307 help Motorola ColdFire 5307 processor support. -config M53xx - bool - config M532x bool "MCF532x" depends on !MMU @@ -251,9 +252,6 @@ config M5407 help Motorola ColdFire 5407 processor support. -config M54xx - bool - config M547x bool "MCF547x" select M54xx @@ -280,6 +278,17 @@ config M5441x help Freescale Coldfire 54410/54415/54416/54417/54418 processor support. +endchoice + +config M527x + bool + +config M53xx + bool + +config M54xx + bool + endif # COLDFIRE @@ -416,22 +425,18 @@ config HAVE_MBAR config HAVE_IPSBAR bool -config CLOCK_SET - bool "Enable setting the CPU clock frequency" - depends on COLDFIRE - default n - help - On some CPU's you do not need to know what the core CPU clock - frequency is. On these you can disable clock setting. On some - traditional 68K parts, and on all ColdFire parts you need to set - the appropriate CPU clock frequency. On these devices many of the - onboard peripherals derive their timing from the master CPU clock - frequency. - config CLOCK_FREQ int "Set the core clock frequency" + default "25000000" if M5206 + default "54000000" if M5206e + default "166666666" if M520x + default "140000000" if M5249 + default "150000000" if M527x || M523x + default "90000000" if M5307 + default "50000000" if M5407 + default "266000000" if M54xx default "66666666" - depends on CLOCK_SET + depends on COLDFIRE help Define the CPU clock frequency in use. This is the core clock frequency, it may or may not be the same as the external clock diff --git a/arch/m68k/configs/m5208evb_defconfig b/arch/m68k/configs/m5208evb_defconfig index e7292f460af4..4c7b7938d53a 100644 --- a/arch/m68k/configs/m5208evb_defconfig +++ b/arch/m68k/configs/m5208evb_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,17 +12,12 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set -CONFIG_M520x=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=166666666 -CONFIG_CLOCK_DIV=2 -CONFIG_M5208EVB=y +# CONFIG_MMU is not set # CONFIG_4KSTACKS is not set CONFIG_RAMBASE=0x40000000 CONFIG_RAMSIZE=0x2000000 CONFIG_VECTORBASE=0x40000000 CONFIG_KERNELBASE=0x40020000 -CONFIG_RAM16BIT=y CONFIG_BINFMT_FLAT=y CONFIG_NET=y CONFIG_PACKET=y @@ -40,24 +31,19 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y CONFIG_FEC=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_BAUDRATE=115200 CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set @@ -68,8 +54,6 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set -CONFIG_SYSCTL_SYSCALL_CHECK=y -CONFIG_FULLDEBUG=y CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" +CONFIG_FULLDEBUG=y diff --git a/arch/m68k/configs/m5249evb_defconfig b/arch/m68k/configs/m5249evb_defconfig index 0cd4b39f325b..a782f368650f 100644 --- a/arch/m68k/configs/m5249evb_defconfig +++ b/arch/m68k/configs/m5249evb_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,10 +12,8 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5249=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=140000000 -CONFIG_CLOCK_DIV=2 CONFIG_M5249C3=y CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00800000 @@ -38,23 +32,18 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set CONFIG_PPP=y # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set CONFIG_EXT2_FS=y @@ -62,7 +51,5 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" -# CONFIG_CRC32 is not set diff --git a/arch/m68k/configs/m5272c3_defconfig b/arch/m68k/configs/m5272c3_defconfig index a60cb3509135..6f5fb92f5cbf 100644 --- a/arch/m68k/configs/m5272c3_defconfig +++ b/arch/m68k/configs/m5272c3_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,8 +12,8 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5272=y -CONFIG_CLOCK_SET=y CONFIG_M5272C3=y CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00800000 @@ -36,23 +32,18 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y CONFIG_FEC=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set CONFIG_EXT2_FS=y @@ -61,6 +52,5 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" diff --git a/arch/m68k/configs/m5275evb_defconfig b/arch/m68k/configs/m5275evb_defconfig index e6502ab7cb2f..b5d7cd1ce856 100644 --- a/arch/m68k/configs/m5275evb_defconfig +++ b/arch/m68k/configs/m5275evb_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,11 +12,8 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5275=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=150000000 -CONFIG_CLOCK_DIV=2 -CONFIG_M5275EVB=y # CONFIG_4KSTACKS is not set CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00000000 @@ -39,24 +32,19 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y CONFIG_FEC=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set CONFIG_PPP=y # CONFIG_INPUT is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set CONFIG_EXT2_FS=y @@ -65,8 +53,5 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set -CONFIG_SYSCTL_SYSCALL_CHECK=y CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" -# CONFIG_CRC32 is not set diff --git a/arch/m68k/configs/m5307c3_defconfig b/arch/m68k/configs/m5307c3_defconfig index 023812abd2e6..1b4c09461c40 100644 --- a/arch/m68k/configs/m5307c3_defconfig +++ b/arch/m68k/configs/m5307c3_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -16,10 +12,8 @@ CONFIG_EXPERT=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5307=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=90000000 -CONFIG_CLOCK_DIV=2 CONFIG_M5307C3=y CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00800000 @@ -38,16 +32,11 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set CONFIG_PPP=y CONFIG_SLIP=y CONFIG_SLIP_COMPRESSED=y @@ -56,21 +45,17 @@ CONFIG_SLIP_COMPRESSED=y # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set # CONFIG_VT is not set +# CONFIG_LEGACY_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_LEGACY_PTYS is not set # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set -# CONFIG_HID_SUPPORT is not set # CONFIG_USB_SUPPORT is not set CONFIG_EXT2_FS=y # CONFIG_DNOTIFY is not set CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set -CONFIG_SYSCTL_SYSCALL_CHECK=y -CONFIG_FULLDEBUG=y CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" -# CONFIG_CRC32 is not set +CONFIG_FULLDEBUG=y diff --git a/arch/m68k/configs/m5407c3_defconfig b/arch/m68k/configs/m5407c3_defconfig index 557b39f3be90..275ad543d4bc 100644 --- a/arch/m68k/configs/m5407c3_defconfig +++ b/arch/m68k/configs/m5407c3_defconfig @@ -1,10 +1,6 @@ -# CONFIG_MMU is not set -CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 -# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -17,9 +13,8 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set CONFIG_M5407=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=50000000 CONFIG_M5407C3=y CONFIG_RAMBASE=0x00000000 CONFIG_RAMSIZE=0x00000000 @@ -38,22 +33,17 @@ CONFIG_INET=y # CONFIG_IPV6 is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_RAM=y CONFIG_MTD_UCLINUX=y CONFIG_BLK_DEV_RAM=y -# CONFIG_MISC_DEVICES is not set CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETDEV_10000 is not set CONFIG_PPP=y # CONFIG_INPUT is not set # CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set CONFIG_SERIAL_MCF=y CONFIG_SERIAL_MCF_CONSOLE=y -# CONFIG_UNIX98_PTYS is not set # CONFIG_HW_RANDOM is not set # CONFIG_HWMON is not set # CONFIG_USB_SUPPORT is not set @@ -63,8 +53,5 @@ CONFIG_EXT2_FS=y CONFIG_ROMFS_FS=y CONFIG_ROMFS_BACKED_BY_MTD=y # CONFIG_NETWORK_FILESYSTEMS is not set -# CONFIG_RCU_CPU_STALL_DETECTOR is not set -CONFIG_SYSCTL_SYSCALL_CHECK=y CONFIG_BOOTPARAM=y CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" -# CONFIG_CRC32 is not set diff --git a/arch/m68k/configs/m5475evb_defconfig b/arch/m68k/configs/m5475evb_defconfig index c5018a68819b..4f4ccd13c11b 100644 --- a/arch/m68k/configs/m5475evb_defconfig +++ b/arch/m68k/configs/m5475evb_defconfig @@ -1,11 +1,7 @@ -CONFIG_EXPERIMENTAL=y # CONFIG_SWAP is not set CONFIG_LOG_BUF_SHIFT=14 -CONFIG_SYSFS_DEPRECATED=y -CONFIG_SYSFS_DEPRECATED_V2=y CONFIG_SYSCTL_SYSCALL=y # CONFIG_KALLSYMS is not set -# CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SIGNALFD is not set @@ -20,19 +16,16 @@ CONFIG_MODULES=y # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set CONFIG_COLDFIRE=y -CONFIG_M547x=y -CONFIG_CLOCK_SET=y -CONFIG_CLOCK_FREQ=266000000 # CONFIG_4KSTACKS is not set CONFIG_RAMBASE=0x0 CONFIG_RAMSIZE=0x2000000 CONFIG_VECTORBASE=0x0 CONFIG_MBAR=0xff000000 CONFIG_KERNELBASE=0x20000 +CONFIG_PCI=y # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set # CONFIG_FW_LOADER is not set CONFIG_MTD=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_CFI=y CONFIG_MTD_JEDECPROBE=y diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild index 1555bc189c7d..eb85bd9c6180 100644 --- a/arch/m68k/include/asm/Kbuild +++ b/arch/m68k/include/asm/Kbuild @@ -18,6 +18,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += mutex.h generic-y += percpu.h diff --git a/arch/m68k/include/asm/coldfire.h b/arch/m68k/include/asm/coldfire.h index c94557b91448..50aa4dac9ca2 100644 --- a/arch/m68k/include/asm/coldfire.h +++ b/arch/m68k/include/asm/coldfire.h @@ -19,7 +19,7 @@ * in any case new boards come along from time to time that have yet * another different clocking frequency. */ -#ifdef CONFIG_CLOCK_SET +#ifdef CONFIG_CLOCK_FREQ #define MCF_CLK CONFIG_CLOCK_FREQ #else #error "Don't know what your ColdFire CPU clock frequency is??" diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h index 618c85d3c786..f55cad529400 100644 --- a/arch/m68k/include/asm/io_mm.h +++ b/arch/m68k/include/asm/io_mm.h @@ -413,7 +413,8 @@ static inline void isa_delay(void) #define writew(val, addr) out_le16((addr), (val)) #endif /* CONFIG_ATARI_ROM_ISA */ -#if !defined(CONFIG_ISA) && !defined(CONFIG_ATARI_ROM_ISA) +#if !defined(CONFIG_ISA) && !defined(CONFIG_ATARI_ROM_ISA) && \ + !(defined(CONFIG_PCI) && defined(CONFIG_COLDFIRE)) /* * We need to define dummy functions for GENERIC_IOMAP support. */ diff --git a/arch/m68k/include/asm/mm-arch-hooks.h b/arch/m68k/include/asm/mm-arch-hooks.h deleted file mode 100644 index 7e8709bc90ae..000000000000 --- a/arch/m68k/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_M68K_MM_ARCH_HOOKS_H -#define _ASM_M68K_MM_ARCH_HOOKS_H - -#endif /* _ASM_M68K_MM_ARCH_HOOKS_H */ diff --git a/arch/metag/include/asm/Kbuild b/arch/metag/include/asm/Kbuild index 199320f3c345..df31353fd200 100644 --- a/arch/metag/include/asm/Kbuild +++ b/arch/metag/include/asm/Kbuild @@ -25,6 +25,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += msgbuf.h generic-y += mutex.h generic-y += param.h diff --git a/arch/metag/include/asm/mm-arch-hooks.h b/arch/metag/include/asm/mm-arch-hooks.h deleted file mode 100644 index b0072b2eb0de..000000000000 --- a/arch/metag/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_METAG_MM_ARCH_HOOKS_H -#define _ASM_METAG_MM_ARCH_HOOKS_H - -#endif /* _ASM_METAG_MM_ARCH_HOOKS_H */ diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild index 9989ddb169ca..2f222f355c4b 100644 --- a/arch/microblaze/include/asm/Kbuild +++ b/arch/microblaze/include/asm/Kbuild @@ -6,6 +6,7 @@ generic-y += device.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += syscalls.h generic-y += trace_clock.h diff --git a/arch/microblaze/include/asm/mm-arch-hooks.h b/arch/microblaze/include/asm/mm-arch-hooks.h deleted file mode 100644 index 5c4065911bda..000000000000 --- a/arch/microblaze/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_MICROBLAZE_MM_ARCH_HOOKS_H -#define _ASM_MICROBLAZE_MM_ARCH_HOOKS_H - -#endif /* _ASM_MICROBLAZE_MM_ARCH_HOOKS_H */ diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 2a14585c90d2..cee5f93e5712 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1427,6 +1427,7 @@ config CPU_MIPS64_R6 select CPU_SUPPORTS_HIGHMEM select CPU_SUPPORTS_MSA select GENERIC_CSUM + select MIPS_O32_FP64_SUPPORT if MIPS32_O32 help Choose this option to build a kernel for release 6 or later of the MIPS64 architecture. New MIPS processors, starting with the Warrior @@ -2231,7 +2232,7 @@ config MIPS_CMP config MIPS_CPS bool "MIPS Coherent Processing System support" - depends on SYS_SUPPORTS_MIPS_CPS && !64BIT + depends on SYS_SUPPORTS_MIPS_CPS select MIPS_CM select MIPS_CPC select MIPS_CPS_PM if HOTPLUG_CPU @@ -2262,11 +2263,6 @@ config MIPS_CM config MIPS_CPC bool -config SB1_PASS_1_WORKAROUNDS - bool - depends on CPU_SB1_PASS_1 - default y - config SB1_PASS_2_WORKAROUNDS bool depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) diff --git a/arch/mips/Makefile b/arch/mips/Makefile index ae2dd59050f7..252e347958f3 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -181,13 +181,6 @@ cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,) cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,) -ifdef CONFIG_CPU_SB1 -ifdef CONFIG_SB1_PASS_1_WORKAROUNDS -KBUILD_AFLAGS_MODULE += -msb1-pass1-workarounds -KBUILD_CFLAGS_MODULE += -msb1-pass1-workarounds -endif -endif - # For smartmips configurations, there are hundreds of warnings due to ISA overrides # in assembly and header files. smartmips is only supported for MIPS32r1 onwards # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild index 7fe5c61a3cb8..1f8546081d20 100644 --- a/arch/mips/include/asm/Kbuild +++ b/arch/mips/include/asm/Kbuild @@ -7,6 +7,7 @@ generic-y += emergency-restart.h generic-y += irq_work.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mutex.h generic-y += parport.h generic-y += percpu.h diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h index 084780b355aa..1b0625189835 100644 --- a/arch/mips/include/asm/fpu.h +++ b/arch/mips/include/asm/fpu.h @@ -74,7 +74,7 @@ static inline int __enable_fpu(enum fpu_mode mode) goto fr_common; case FPU_64BIT: -#if !(defined(CONFIG_CPU_MIPS32_R2) || defined(CONFIG_CPU_MIPS32_R6) \ +#if !(defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) \ || defined(CONFIG_64BIT)) /* we only have a 32-bit FPU */ return SIGFPE; diff --git a/arch/mips/include/asm/mach-loongson64/mmzone.h b/arch/mips/include/asm/mach-loongson64/mmzone.h index 37c08a27b4f0..c9f7e231e66b 100644 --- a/arch/mips/include/asm/mach-loongson64/mmzone.h +++ b/arch/mips/include/asm/mach-loongson64/mmzone.h @@ -1,6 +1,6 @@ /* * Copyright (C) 2010 Loongson Inc. & Lemote Inc. & - * Insititute of Computing Technology + * Institute of Computing Technology * Author: Xiang Gao, gaoxiang@ict.ac.cn * Huacai Chen, chenhc@lemote.com * Xiaofu Meng, Shuangshuang Zhang diff --git a/arch/mips/include/asm/mach-sibyte/war.h b/arch/mips/include/asm/mach-sibyte/war.h index 0a227d426b9c..520f8fc2c806 100644 --- a/arch/mips/include/asm/mach-sibyte/war.h +++ b/arch/mips/include/asm/mach-sibyte/war.h @@ -13,8 +13,7 @@ #define R4600_V2_HIT_CACHEOP_WAR 0 #define R5432_CP0_INTERRUPT_WAR 0 -#if defined(CONFIG_SB1_PASS_1_WORKAROUNDS) || \ - defined(CONFIG_SB1_PASS_2_WORKAROUNDS) +#if defined(CONFIG_SB1_PASS_2_WORKAROUNDS) #ifndef __ASSEMBLY__ extern int sb1250_m3_workaround_needed(void); diff --git a/arch/mips/include/asm/mm-arch-hooks.h b/arch/mips/include/asm/mm-arch-hooks.h deleted file mode 100644 index b5609fe8e475..000000000000 --- a/arch/mips/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_MIPS_MM_ARCH_HOOKS_H -#define _ASM_MIPS_MM_ARCH_HOOKS_H - -#endif /* _ASM_MIPS_MM_ARCH_HOOKS_H */ diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h index 2b25d1ba1ea0..16f1ea9ab191 100644 --- a/arch/mips/include/asm/smp.h +++ b/arch/mips/include/asm/smp.h @@ -23,6 +23,7 @@ extern int smp_num_siblings; extern cpumask_t cpu_sibling_map[]; extern cpumask_t cpu_core_map[]; +extern cpumask_t cpu_foreign_map; #define raw_smp_processor_id() (current_thread_info()->cpu) diff --git a/arch/mips/include/uapi/asm/sigcontext.h b/arch/mips/include/uapi/asm/sigcontext.h index 6c9906f59c6e..9081d88ae44f 100644 --- a/arch/mips/include/uapi/asm/sigcontext.h +++ b/arch/mips/include/uapi/asm/sigcontext.h @@ -16,7 +16,7 @@ /* * Keep this struct definition in sync with the sigcontext fragment - * in arch/mips/tools/offset.c + * in arch/mips/kernel/asm-offsets.c */ struct sigcontext { unsigned int sc_regmask; /* Unused */ @@ -46,7 +46,7 @@ struct sigcontext { #include <linux/posix_types.h> /* * Keep this struct definition in sync with the sigcontext fragment - * in arch/mips/tools/offset.c + * in arch/mips/kernel/asm-offsets.c * * Warning: this structure illdefined with sc_badvaddr being just an unsigned * int so it was changed to unsigned long in 2.6.0-test1. This may break diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index beabe19ff8e5..072fab13645d 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -1,5 +1,5 @@ /* - * offset.c: Calculate pt_regs and task_struct offsets. + * asm-offsets.c: Calculate pt_regs and task_struct offsets. * * Copyright (C) 1996 David S. Miller * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Ralf Baechle diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c index c0c5e5972256..d8f9b357b222 100644 --- a/arch/mips/kernel/branch.c +++ b/arch/mips/kernel/branch.c @@ -600,7 +600,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, break; case blezl_op: /* not really i_format */ - if (NO_R6EMU) + if (!insn.i_format.rt && NO_R6EMU) goto sigill_r6; case blez_op: /* @@ -635,7 +635,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, break; case bgtzl_op: - if (NO_R6EMU) + if (!insn.i_format.rt && NO_R6EMU) goto sigill_r6; case bgtz_op: /* diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S index 55b759a0019e..1b6ca634e646 100644 --- a/arch/mips/kernel/cps-vec.S +++ b/arch/mips/kernel/cps-vec.S @@ -60,7 +60,7 @@ LEAF(mips_cps_core_entry) nop /* This is an NMI */ - la k0, nmi_handler + PTR_LA k0, nmi_handler jr k0 nop @@ -107,10 +107,10 @@ not_nmi: mul t1, t1, t0 mul t1, t1, t2 - li a0, KSEG0 - add a1, a0, t1 + li a0, CKSEG0 + PTR_ADD a1, a0, t1 1: cache Index_Store_Tag_I, 0(a0) - add a0, a0, t0 + PTR_ADD a0, a0, t0 bne a0, a1, 1b nop icache_done: @@ -134,12 +134,12 @@ icache_done: mul t1, t1, t0 mul t1, t1, t2 - li a0, KSEG0 - addu a1, a0, t1 - subu a1, a1, t0 + li a0, CKSEG0 + PTR_ADDU a1, a0, t1 + PTR_SUBU a1, a1, t0 1: cache Index_Store_Tag_D, 0(a0) bne a0, a1, 1b - add a0, a0, t0 + PTR_ADD a0, a0, t0 dcache_done: /* Set Kseg0 CCA to that in s0 */ @@ -152,11 +152,11 @@ dcache_done: /* Enter the coherent domain */ li t0, 0xff - sw t0, GCR_CL_COHERENCE_OFS(v1) + PTR_S t0, GCR_CL_COHERENCE_OFS(v1) ehb /* Jump to kseg0 */ - la t0, 1f + PTR_LA t0, 1f jr t0 nop @@ -178,9 +178,9 @@ dcache_done: nop /* Off we go! */ - lw t1, VPEBOOTCFG_PC(v0) - lw gp, VPEBOOTCFG_GP(v0) - lw sp, VPEBOOTCFG_SP(v0) + PTR_L t1, VPEBOOTCFG_PC(v0) + PTR_L gp, VPEBOOTCFG_GP(v0) + PTR_L sp, VPEBOOTCFG_SP(v0) jr t1 nop END(mips_cps_core_entry) @@ -217,7 +217,7 @@ LEAF(excep_intex) .org 0x480 LEAF(excep_ejtag) - la k0, ejtag_debug_handler + PTR_LA k0, ejtag_debug_handler jr k0 nop END(excep_ejtag) @@ -229,7 +229,7 @@ LEAF(mips_cps_core_init) nop .set push - .set mips32r2 + .set mips64r2 .set mt /* Only allow 1 TC per VPE to execute... */ @@ -237,7 +237,7 @@ LEAF(mips_cps_core_init) /* ...and for the moment only 1 VPE */ dvpe - la t1, 1f + PTR_LA t1, 1f jr.hb t1 nop @@ -250,25 +250,25 @@ LEAF(mips_cps_core_init) mfc0 t0, CP0_MVPCONF0 srl t0, t0, MVPCONF0_PVPE_SHIFT andi t0, t0, (MVPCONF0_PVPE >> MVPCONF0_PVPE_SHIFT) - addiu t7, t0, 1 + addiu ta3, t0, 1 /* If there's only 1, we're done */ beqz t0, 2f nop /* Loop through each VPE within this core */ - li t5, 1 + li ta1, 1 1: /* Operate on the appropriate TC */ - mtc0 t5, CP0_VPECONTROL + mtc0 ta1, CP0_VPECONTROL ehb /* Bind TC to VPE (1:1 TC:VPE mapping) */ - mttc0 t5, CP0_TCBIND + mttc0 ta1, CP0_TCBIND /* Set exclusive TC, non-active, master */ li t0, VPECONF0_MVP - sll t1, t5, VPECONF0_XTC_SHIFT + sll t1, ta1, VPECONF0_XTC_SHIFT or t0, t0, t1 mttc0 t0, CP0_VPECONF0 @@ -280,8 +280,8 @@ LEAF(mips_cps_core_init) mttc0 t0, CP0_TCHALT /* Next VPE */ - addiu t5, t5, 1 - slt t0, t5, t7 + addiu ta1, ta1, 1 + slt t0, ta1, ta3 bnez t0, 1b nop @@ -298,19 +298,19 @@ LEAF(mips_cps_core_init) LEAF(mips_cps_boot_vpes) /* Retrieve CM base address */ - la t0, mips_cm_base - lw t0, 0(t0) + PTR_LA t0, mips_cm_base + PTR_L t0, 0(t0) /* Calculate a pointer to this cores struct core_boot_config */ - lw t0, GCR_CL_ID_OFS(t0) + PTR_L t0, GCR_CL_ID_OFS(t0) li t1, COREBOOTCFG_SIZE mul t0, t0, t1 - la t1, mips_cps_core_bootcfg - lw t1, 0(t1) - addu t0, t0, t1 + PTR_LA t1, mips_cps_core_bootcfg + PTR_L t1, 0(t1) + PTR_ADDU t0, t0, t1 /* Calculate this VPEs ID. If the core doesn't support MT use 0 */ - has_mt t6, 1f + has_mt ta2, 1f li t9, 0 /* Find the number of VPEs present in the core */ @@ -334,24 +334,24 @@ LEAF(mips_cps_boot_vpes) 1: /* Calculate a pointer to this VPEs struct vpe_boot_config */ li t1, VPEBOOTCFG_SIZE mul v0, t9, t1 - lw t7, COREBOOTCFG_VPECONFIG(t0) - addu v0, v0, t7 + PTR_L ta3, COREBOOTCFG_VPECONFIG(t0) + PTR_ADDU v0, v0, ta3 #ifdef CONFIG_MIPS_MT /* If the core doesn't support MT then return */ - bnez t6, 1f + bnez ta2, 1f nop jr ra nop .set push - .set mips32r2 + .set mips64r2 .set mt 1: /* Enter VPE configuration state */ dvpe - la t1, 1f + PTR_LA t1, 1f jr.hb t1 nop 1: mfc0 t1, CP0_MVPCONTROL @@ -360,12 +360,12 @@ LEAF(mips_cps_boot_vpes) ehb /* Loop through each VPE */ - lw t6, COREBOOTCFG_VPEMASK(t0) - move t8, t6 - li t5, 0 + PTR_L ta2, COREBOOTCFG_VPEMASK(t0) + move t8, ta2 + li ta1, 0 /* Check whether the VPE should be running. If not, skip it */ -1: andi t0, t6, 1 +1: andi t0, ta2, 1 beqz t0, 2f nop @@ -373,7 +373,7 @@ LEAF(mips_cps_boot_vpes) mfc0 t0, CP0_VPECONTROL ori t0, t0, VPECONTROL_TARGTC xori t0, t0, VPECONTROL_TARGTC - or t0, t0, t5 + or t0, t0, ta1 mtc0 t0, CP0_VPECONTROL ehb @@ -384,8 +384,8 @@ LEAF(mips_cps_boot_vpes) /* Calculate a pointer to the VPEs struct vpe_boot_config */ li t0, VPEBOOTCFG_SIZE - mul t0, t0, t5 - addu t0, t0, t7 + mul t0, t0, ta1 + addu t0, t0, ta3 /* Set the TC restart PC */ lw t1, VPEBOOTCFG_PC(t0) @@ -423,9 +423,9 @@ LEAF(mips_cps_boot_vpes) mttc0 t0, CP0_VPECONF0 /* Next VPE */ -2: srl t6, t6, 1 - addiu t5, t5, 1 - bnez t6, 1b +2: srl ta2, ta2, 1 + addiu ta1, ta1, 1 + bnez ta2, 1b nop /* Leave VPE configuration state */ @@ -445,7 +445,7 @@ LEAF(mips_cps_boot_vpes) /* This VPE should be offline, halt the TC */ li t0, TCHALT_H mtc0 t0, CP0_TCHALT - la t0, 1f + PTR_LA t0, 1f 1: jr.hb t0 nop @@ -466,10 +466,10 @@ LEAF(mips_cps_boot_vpes) .set noat lw $1, TI_CPU(gp) sll $1, $1, LONGLOG - la \dest, __per_cpu_offset + PTR_LA \dest, __per_cpu_offset addu $1, $1, \dest lw $1, 0($1) - la \dest, cps_cpu_state + PTR_LA \dest, cps_cpu_state addu \dest, \dest, $1 .set pop .endm diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 6e8de80bb446..4cc13508d967 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -73,10 +73,11 @@ NESTED(handle_sys, PT_SIZE, sp) .set noreorder .set nomacro -1: user_lw(t5, 16(t0)) # argument #5 from usp -4: user_lw(t6, 20(t0)) # argument #6 from usp -3: user_lw(t7, 24(t0)) # argument #7 from usp -2: user_lw(t8, 28(t0)) # argument #8 from usp +load_a4: user_lw(t5, 16(t0)) # argument #5 from usp +load_a5: user_lw(t6, 20(t0)) # argument #6 from usp +load_a6: user_lw(t7, 24(t0)) # argument #7 from usp +load_a7: user_lw(t8, 28(t0)) # argument #8 from usp +loads_done: sw t5, 16(sp) # argument #5 to ksp sw t6, 20(sp) # argument #6 to ksp @@ -85,10 +86,10 @@ NESTED(handle_sys, PT_SIZE, sp) .set pop .section __ex_table,"a" - PTR 1b,bad_stack - PTR 2b,bad_stack - PTR 3b,bad_stack - PTR 4b,bad_stack + PTR load_a4, bad_stack_a4 + PTR load_a5, bad_stack_a5 + PTR load_a6, bad_stack_a6 + PTR load_a7, bad_stack_a7 .previous lw t0, TI_FLAGS($28) # syscall tracing enabled? @@ -153,8 +154,8 @@ syscall_trace_entry: /* ------------------------------------------------------------------------ */ /* - * The stackpointer for a call with more than 4 arguments is bad. - * We probably should handle this case a bit more drastic. + * Our open-coded access area sanity test for the stack pointer + * failed. We probably should handle this case a bit more drastic. */ bad_stack: li v0, EFAULT @@ -163,6 +164,22 @@ bad_stack: sw t0, PT_R7(sp) j o32_syscall_exit +bad_stack_a4: + li t5, 0 + b load_a5 + +bad_stack_a5: + li t6, 0 + b load_a6 + +bad_stack_a6: + li t7, 0 + b load_a7 + +bad_stack_a7: + li t8, 0 + b loads_done + /* * The system call does not exist in this kernel */ diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index d07b210fbeff..f543ff4feef9 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -69,16 +69,17 @@ NESTED(handle_sys, PT_SIZE, sp) daddu t1, t0, 32 bltz t1, bad_stack -1: lw a4, 16(t0) # argument #5 from usp -2: lw a5, 20(t0) # argument #6 from usp -3: lw a6, 24(t0) # argument #7 from usp -4: lw a7, 28(t0) # argument #8 from usp (for indirect syscalls) +load_a4: lw a4, 16(t0) # argument #5 from usp +load_a5: lw a5, 20(t0) # argument #6 from usp +load_a6: lw a6, 24(t0) # argument #7 from usp +load_a7: lw a7, 28(t0) # argument #8 from usp +loads_done: .section __ex_table,"a" - PTR 1b, bad_stack - PTR 2b, bad_stack - PTR 3b, bad_stack - PTR 4b, bad_stack + PTR load_a4, bad_stack_a4 + PTR load_a5, bad_stack_a5 + PTR load_a6, bad_stack_a6 + PTR load_a7, bad_stack_a7 .previous li t1, _TIF_WORK_SYSCALL_ENTRY @@ -167,6 +168,22 @@ bad_stack: sd t0, PT_R7(sp) j o32_syscall_exit +bad_stack_a4: + li a4, 0 + b load_a5 + +bad_stack_a5: + li a5, 0 + b load_a6 + +bad_stack_a6: + li a6, 0 + b load_a7 + +bad_stack_a7: + li a7, 0 + b loads_done + not_o32_scall: /* * This is not an o32 compatibility syscall, pass it on @@ -383,7 +400,7 @@ EXPORT(sys32_call_table) PTR sys_connect /* 4170 */ PTR sys_getpeername PTR sys_getsockname - PTR sys_getsockopt + PTR compat_sys_getsockopt PTR sys_listen PTR compat_sys_recv /* 4175 */ PTR compat_sys_recvfrom diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index be73c491182b..008b3378653a 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -337,6 +337,11 @@ static void __init bootmem_init(void) min_low_pfn = start; if (end <= reserved_end) continue; +#ifdef CONFIG_BLK_DEV_INITRD + /* mapstart should be after initrd_end */ + if (initrd_end && end <= (unsigned long)PFN_UP(__pa(initrd_end))) + continue; +#endif if (start >= mapstart) continue; mapstart = max(reserved_end, start); @@ -366,14 +371,6 @@ static void __init bootmem_init(void) max_low_pfn = PFN_DOWN(HIGHMEM_START); } -#ifdef CONFIG_BLK_DEV_INITRD - /* - * mapstart should be after initrd_end - */ - if (initrd_end) - mapstart = max(mapstart, (unsigned long)PFN_UP(__pa(initrd_end))); -#endif - /* * Initialize the boot-time allocator with low memory only. */ diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c index 4251d390b5b6..c88937745b4e 100644 --- a/arch/mips/kernel/smp-cps.c +++ b/arch/mips/kernel/smp-cps.c @@ -133,7 +133,7 @@ static void __init cps_prepare_cpus(unsigned int max_cpus) /* * Patch the start of mips_cps_core_entry to provide: * - * v0 = CM base address + * v1 = CM base address * s0 = kseg0 CCA */ entry_code = (u32 *)&mips_cps_core_entry; @@ -369,7 +369,7 @@ void play_dead(void) static void wait_for_sibling_halt(void *ptr_cpu) { - unsigned cpu = (unsigned)ptr_cpu; + unsigned cpu = (unsigned long)ptr_cpu; unsigned vpe_id = cpu_vpe_id(&cpu_data[cpu]); unsigned halted; unsigned long flags; @@ -430,7 +430,7 @@ static void cps_cpu_die(unsigned int cpu) */ err = smp_call_function_single(cpu_death_sibling, wait_for_sibling_halt, - (void *)cpu, 1); + (void *)(unsigned long)cpu, 1); if (err) panic("Failed to call remote sibling CPU\n"); } diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index faa46ebd9dda..d0744cc77ea7 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -63,6 +63,13 @@ EXPORT_SYMBOL(cpu_sibling_map); cpumask_t cpu_core_map[NR_CPUS] __read_mostly; EXPORT_SYMBOL(cpu_core_map); +/* + * A logcal cpu mask containing only one VPE per core to + * reduce the number of IPIs on large MT systems. + */ +cpumask_t cpu_foreign_map __read_mostly; +EXPORT_SYMBOL(cpu_foreign_map); + /* representing cpus for which sibling maps can be computed */ static cpumask_t cpu_sibling_setup_map; @@ -103,6 +110,29 @@ static inline void set_cpu_core_map(int cpu) } } +/* + * Calculate a new cpu_foreign_map mask whenever a + * new cpu appears or disappears. + */ +static inline void calculate_cpu_foreign_map(void) +{ + int i, k, core_present; + cpumask_t temp_foreign_map; + + /* Re-calculate the mask */ + for_each_online_cpu(i) { + core_present = 0; + for_each_cpu(k, &temp_foreign_map) + if (cpu_data[i].package == cpu_data[k].package && + cpu_data[i].core == cpu_data[k].core) + core_present = 1; + if (!core_present) + cpumask_set_cpu(i, &temp_foreign_map); + } + + cpumask_copy(&cpu_foreign_map, &temp_foreign_map); +} + struct plat_smp_ops *mp_ops; EXPORT_SYMBOL(mp_ops); @@ -146,6 +176,8 @@ asmlinkage void start_secondary(void) set_cpu_sibling_map(cpu); set_cpu_core_map(cpu); + calculate_cpu_foreign_map(); + cpumask_set_cpu(cpu, &cpu_callin_map); synchronise_count_slave(cpu); @@ -173,9 +205,18 @@ void __irq_entry smp_call_function_interrupt(void) static void stop_this_cpu(void *dummy) { /* - * Remove this CPU: + * Remove this CPU. Be a bit slow here and + * set the bits for every online CPU so we don't miss + * any IPI whilst taking this VPE down. */ + + cpumask_copy(&cpu_foreign_map, cpu_online_mask); + + /* Make it visible to every other CPU */ + smp_mb(); + set_cpu_online(smp_processor_id(), false); + calculate_cpu_foreign_map(); local_irq_disable(); while (1); } @@ -197,6 +238,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) mp_ops->prepare_cpus(max_cpus); set_cpu_sibling_map(0); set_cpu_core_map(0); + calculate_cpu_foreign_map(); #ifndef CONFIG_HOTPLUG_CPU init_cpu_present(cpu_possible_mask); #endif diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 2a7b38ed23f0..e207a43b5f8f 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -2130,10 +2130,10 @@ void per_cpu_trap_init(bool is_boot_cpu) BUG_ON(current->mm); enter_lazy_tlb(&init_mm, current); - /* Boot CPU's cache setup in setup_arch(). */ - if (!is_boot_cpu) - cpu_cache_init(); - tlb_init(); + /* Boot CPU's cache setup in setup_arch(). */ + if (!is_boot_cpu) + cpu_cache_init(); + tlb_init(); TLBMISS_HANDLER_SETUP(); } diff --git a/arch/mips/loongson64/common/bonito-irq.c b/arch/mips/loongson64/common/bonito-irq.c index cc0e4fd548e6..4e116d23bab3 100644 --- a/arch/mips/loongson64/common/bonito-irq.c +++ b/arch/mips/loongson64/common/bonito-irq.c @@ -3,7 +3,7 @@ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net * Copyright (C) 2000, 2001 Ralf Baechle (ralf@gnu.org) * - * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * * This program is free software; you can redistribute it and/or modify it diff --git a/arch/mips/loongson64/common/cmdline.c b/arch/mips/loongson64/common/cmdline.c index 72fed003a536..01fbed137028 100644 --- a/arch/mips/loongson64/common/cmdline.c +++ b/arch/mips/loongson64/common/cmdline.c @@ -6,7 +6,7 @@ * Copyright 2003 ICT CAS * Author: Michael Guo <guoyi@ict.ac.cn> * - * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * * Copyright (C) 2009 Lemote Inc. diff --git a/arch/mips/loongson64/common/cs5536/cs5536_mfgpt.c b/arch/mips/loongson64/common/cs5536/cs5536_mfgpt.c index 12c75db23420..875037063a80 100644 --- a/arch/mips/loongson64/common/cs5536/cs5536_mfgpt.c +++ b/arch/mips/loongson64/common/cs5536/cs5536_mfgpt.c @@ -1,7 +1,7 @@ /* * CS5536 General timer functions * - * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology * Author: Yanhua, yanh@lemote.com * * Copyright (C) 2009 Lemote Inc. diff --git a/arch/mips/loongson64/common/env.c b/arch/mips/loongson64/common/env.c index 22f04ca2ff3e..f6c44dd332e2 100644 --- a/arch/mips/loongson64/common/env.c +++ b/arch/mips/loongson64/common/env.c @@ -6,7 +6,7 @@ * Copyright 2003 ICT CAS * Author: Michael Guo <guoyi@ict.ac.cn> * - * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * * Copyright (C) 2009 Lemote Inc. diff --git a/arch/mips/loongson64/common/irq.c b/arch/mips/loongson64/common/irq.c index 687003b19b45..d36d969a4a87 100644 --- a/arch/mips/loongson64/common/irq.c +++ b/arch/mips/loongson64/common/irq.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * * This program is free software; you can redistribute it and/or modify it diff --git a/arch/mips/loongson64/common/setup.c b/arch/mips/loongson64/common/setup.c index d477dd6bb326..2dc5122f0e09 100644 --- a/arch/mips/loongson64/common/setup.c +++ b/arch/mips/loongson64/common/setup.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * * This program is free software; you can redistribute it and/or modify it diff --git a/arch/mips/loongson64/fuloong-2e/irq.c b/arch/mips/loongson64/fuloong-2e/irq.c index ef5ec8f3de5f..892963f860b7 100644 --- a/arch/mips/loongson64/fuloong-2e/irq.c +++ b/arch/mips/loongson64/fuloong-2e/irq.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology * Author: Fuxin Zhang, zhangfx@lemote.com * * This program is free software; you can redistribute it and/or modify it diff --git a/arch/mips/loongson64/lemote-2f/clock.c b/arch/mips/loongson64/lemote-2f/clock.c index 462e34d46b4a..a78fb657068c 100644 --- a/arch/mips/loongson64/lemote-2f/clock.c +++ b/arch/mips/loongson64/lemote-2f/clock.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006 - 2008 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2006 - 2008 Lemote Inc. & Institute of Computing Technology * Author: Yanhua, yanh@lemote.com * * This file is subject to the terms and conditions of the GNU General Public @@ -15,7 +15,7 @@ #include <linux/spinlock.h> #include <asm/clock.h> -#include <asm/mach-loongson/loongson.h> +#include <asm/mach-loongson64/loongson.h> static LIST_HEAD(clock_list); static DEFINE_SPINLOCK(clock_lock); diff --git a/arch/mips/loongson64/loongson-3/numa.c b/arch/mips/loongson64/loongson-3/numa.c index 12d14ed48778..6f9e010cec4d 100644 --- a/arch/mips/loongson64/loongson-3/numa.c +++ b/arch/mips/loongson64/loongson-3/numa.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2010 Loongson Inc. & Lemote Inc. & - * Insititute of Computing Technology + * Institute of Computing Technology * Author: Xiang Gao, gaoxiang@ict.ac.cn * Huacai Chen, chenhc@lemote.com * Xiaofu Meng, Shuangshuang Zhang diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index 22b9b2cb9219..712f17a2ecf2 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -451,7 +451,7 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, /* Fall through */ case jr_op: /* For R6, JR already emulated in jalr_op */ - if (NO_R6EMU && insn.r_format.opcode == jr_op) + if (NO_R6EMU && insn.r_format.func == jr_op) break; *contpc = regs->regs[insn.r_format.rs]; return 1; @@ -551,7 +551,7 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, dec_insn.next_pc_inc; return 1; case blezl_op: - if (NO_R6EMU) + if (!insn.i_format.rt && NO_R6EMU) break; case blez_op: @@ -588,7 +588,7 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, dec_insn.next_pc_inc; return 1; case bgtzl_op: - if (NO_R6EMU) + if (!insn.i_format.rt && NO_R6EMU) break; case bgtz_op: /* diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 7f660dc67596..fbea4432f3f2 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -37,6 +37,7 @@ #include <asm/cacheflush.h> /* for run_uncached() */ #include <asm/traps.h> #include <asm/dma-coherence.h> +#include <asm/mips-cm.h> /* * Special Variant of smp_call_function for use by cache functions: @@ -51,9 +52,16 @@ static inline void r4k_on_each_cpu(void (*func) (void *info), void *info) { preempt_disable(); -#ifndef CONFIG_MIPS_MT_SMP - smp_call_function(func, info, 1); -#endif + /* + * The Coherent Manager propagates address-based cache ops to other + * cores but not index-based ops. However, r4k_on_each_cpu is used + * in both cases so there is no easy way to tell what kind of op is + * executed to the other cores. The best we can probably do is + * to restrict that call when a CM is not present because both + * CM-based SMP protocols (CMP & CPS) restrict index-based cache ops. + */ + if (!mips_cm_present()) + smp_call_function_many(&cpu_foreign_map, func, info, 1); func(info); preempt_enable(); } @@ -937,7 +945,9 @@ static void b5k_instruction_hazard(void) } static char *way_string[] = { NULL, "direct mapped", "2-way", - "3-way", "4-way", "5-way", "6-way", "7-way", "8-way" + "3-way", "4-way", "5-way", "6-way", "7-way", "8-way", + "9-way", "10-way", "11-way", "12-way", + "13-way", "14-way", "15-way", "16-way", }; static void probe_pcache(void) diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c index 185e68261f45..5625b190edc0 100644 --- a/arch/mips/mti-malta/malta-time.c +++ b/arch/mips/mti-malta/malta-time.c @@ -119,18 +119,24 @@ void read_persistent_clock(struct timespec *ts) int get_c0_fdc_int(void) { - int mips_cpu_fdc_irq; + /* + * Some cores claim the FDC is routable through the GIC, but it doesn't + * actually seem to be connected for those Malta bitstreams. + */ + switch (current_cpu_type()) { + case CPU_INTERAPTIV: + case CPU_PROAPTIV: + return -1; + }; if (cpu_has_veic) - mips_cpu_fdc_irq = -1; + return -1; else if (gic_present) - mips_cpu_fdc_irq = gic_get_c0_fdc_int(); + return gic_get_c0_fdc_int(); else if (cp0_fdc_irq >= 0) - mips_cpu_fdc_irq = MIPS_CPU_IRQ_BASE + cp0_fdc_irq; + return MIPS_CPU_IRQ_BASE + cp0_fdc_irq; else - mips_cpu_fdc_irq = -1; - - return mips_cpu_fdc_irq; + return -1; } int get_c0_perfcount_int(void) diff --git a/arch/mips/pistachio/init.c b/arch/mips/pistachio/init.c index d2dc836523a3..8bd8ebb20a72 100644 --- a/arch/mips/pistachio/init.c +++ b/arch/mips/pistachio/init.c @@ -63,13 +63,19 @@ void __init plat_mem_setup(void) plat_setup_iocoherency(); } -#define DEFAULT_CPC_BASE_ADDR 0x1bde0000 +#define DEFAULT_CPC_BASE_ADDR 0x1bde0000 +#define DEFAULT_CDMM_BASE_ADDR 0x1bdd0000 phys_addr_t mips_cpc_default_phys_base(void) { return DEFAULT_CPC_BASE_ADDR; } +phys_addr_t mips_cdmm_phys_base(void) +{ + return DEFAULT_CDMM_BASE_ADDR; +} + static void __init mips_nmi_setup(void) { void *base; diff --git a/arch/mips/pistachio/time.c b/arch/mips/pistachio/time.c index 67889fcea8aa..7c73fcb92a10 100644 --- a/arch/mips/pistachio/time.c +++ b/arch/mips/pistachio/time.c @@ -27,6 +27,11 @@ int get_c0_perfcount_int(void) return gic_get_c0_perfcount_int(); } +int get_c0_fdc_int(void) +{ + return gic_get_c0_fdc_int(); +} + void __init plat_time_init(void) { struct device_node *np; diff --git a/arch/mips/sibyte/Kconfig b/arch/mips/sibyte/Kconfig index a8bb972fd9fd..cb9a095f5c5e 100644 --- a/arch/mips/sibyte/Kconfig +++ b/arch/mips/sibyte/Kconfig @@ -81,11 +81,6 @@ choice prompt "SiByte SOC Stepping" depends on SIBYTE_SB1xxx_SOC -config CPU_SB1_PASS_1 - bool "1250 Pass1" - depends on SIBYTE_SB1250 - select CPU_HAS_PREFETCH - config CPU_SB1_PASS_2_1250 bool "1250 An" depends on SIBYTE_SB1250 diff --git a/arch/mips/sibyte/common/bus_watcher.c b/arch/mips/sibyte/common/bus_watcher.c index 5581844c9194..41a1d2242211 100644 --- a/arch/mips/sibyte/common/bus_watcher.c +++ b/arch/mips/sibyte/common/bus_watcher.c @@ -81,10 +81,7 @@ void check_bus_watcher(void) { u32 status, l2_err, memio_err; -#ifdef CONFIG_SB1_PASS_1_WORKAROUNDS - /* Destructive read, clears register and interrupt */ - status = csr_in32(IOADDR(A_SCD_BUS_ERR_STATUS)); -#elif defined(CONFIG_SIBYTE_BCM112X) || defined(CONFIG_SIBYTE_SB1250) +#if defined(CONFIG_SIBYTE_BCM112X) || defined(CONFIG_SIBYTE_SB1250) /* Use non-destructive register */ status = csr_in32(IOADDR(A_SCD_BUS_ERR_STATUS_DEBUG)); #elif defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80) diff --git a/arch/mips/sibyte/sb1250/setup.c b/arch/mips/sibyte/sb1250/setup.c index 3c02b2a77ae9..9d3c24efdf4a 100644 --- a/arch/mips/sibyte/sb1250/setup.c +++ b/arch/mips/sibyte/sb1250/setup.c @@ -202,12 +202,10 @@ void __init sb1250_setup(void) switch (war_pass) { case K_SYS_REVISION_BCM1250_PASS1: -#ifndef CONFIG_SB1_PASS_1_WORKAROUNDS printk("@@@@ This is a BCM1250 A0-A2 (Pass 1) board, " "and the kernel doesn't have the proper " "workarounds compiled in. @@@@\n"); bad_config = 1; -#endif break; case K_SYS_REVISION_BCM1250_PASS2: /* Pass 2 - easiest as default for now - so many numbers */ diff --git a/arch/mn10300/include/asm/Kbuild b/arch/mn10300/include/asm/Kbuild index de30b0c88796..6edb9ee6128e 100644 --- a/arch/mn10300/include/asm/Kbuild +++ b/arch/mn10300/include/asm/Kbuild @@ -5,6 +5,7 @@ generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += sections.h generic-y += trace_clock.h diff --git a/arch/mn10300/include/asm/mm-arch-hooks.h b/arch/mn10300/include/asm/mm-arch-hooks.h deleted file mode 100644 index e2029a652f4c..000000000000 --- a/arch/mn10300/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_MN10300_MM_ARCH_HOOKS_H -#define _ASM_MN10300_MM_ARCH_HOOKS_H - -#endif /* _ASM_MN10300_MM_ARCH_HOOKS_H */ diff --git a/arch/nios2/include/asm/Kbuild b/arch/nios2/include/asm/Kbuild index 434639d510b3..914864eb5a25 100644 --- a/arch/nios2/include/asm/Kbuild +++ b/arch/nios2/include/asm/Kbuild @@ -30,6 +30,7 @@ generic-y += kmap_types.h generic-y += kvm_para.h generic-y += local.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += module.h generic-y += msgbuf.h diff --git a/arch/nios2/include/asm/mm-arch-hooks.h b/arch/nios2/include/asm/mm-arch-hooks.h deleted file mode 100644 index d7290dc68558..000000000000 --- a/arch/nios2/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_NIOS2_MM_ARCH_HOOKS_H -#define _ASM_NIOS2_MM_ARCH_HOOKS_H - -#endif /* _ASM_NIOS2_MM_ARCH_HOOKS_H */ diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig index e5a693b16da2..443f44de1020 100644 --- a/arch/openrisc/Kconfig +++ b/arch/openrisc/Kconfig @@ -17,6 +17,7 @@ config OPENRISC select GENERIC_IRQ_SHOW select GENERIC_IOMAP select GENERIC_CPU_DEVICES + select HAVE_UID16 select GENERIC_ATOMIC64 select GENERIC_CLOCKEVENTS select GENERIC_STRNCPY_FROM_USER @@ -31,9 +32,6 @@ config MMU config HAVE_DMA_ATTRS def_bool y -config UID16 - def_bool y - config RWSEM_GENERIC_SPINLOCK def_bool y diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild index 2a2e39b8109a..2832f031fb11 100644 --- a/arch/openrisc/include/asm/Kbuild +++ b/arch/openrisc/include/asm/Kbuild @@ -36,6 +36,7 @@ generic-y += kmap_types.h generic-y += kvm_para.h generic-y += local.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += module.h generic-y += msgbuf.h diff --git a/arch/openrisc/include/asm/mm-arch-hooks.h b/arch/openrisc/include/asm/mm-arch-hooks.h deleted file mode 100644 index 6d33cb555fe1..000000000000 --- a/arch/openrisc/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_OPENRISC_MM_ARCH_HOOKS_H -#define _ASM_OPENRISC_MM_ARCH_HOOKS_H - -#endif /* _ASM_OPENRISC_MM_ARCH_HOOKS_H */ diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild index 12b341d04f88..f9b3a81aefcd 100644 --- a/arch/parisc/include/asm/Kbuild +++ b/arch/parisc/include/asm/Kbuild @@ -15,6 +15,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mutex.h generic-y += param.h generic-y += percpu.h diff --git a/arch/parisc/include/asm/mm-arch-hooks.h b/arch/parisc/include/asm/mm-arch-hooks.h deleted file mode 100644 index 654ec63b0ee9..000000000000 --- a/arch/parisc/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_PARISC_MM_ARCH_HOOKS_H -#define _ASM_PARISC_MM_ARCH_HOOKS_H - -#endif /* _ASM_PARISC_MM_ARCH_HOOKS_H */ diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h index 3a08eae3318f..3edbb9fc91b4 100644 --- a/arch/parisc/include/asm/pgalloc.h +++ b/arch/parisc/include/asm/pgalloc.h @@ -72,7 +72,7 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) { - if(pmd_flag(*pmd) & PxD_FLAG_ATTACHED) + if (pmd_flag(*pmd) & PxD_FLAG_ATTACHED) { /* * This is the permanent pmd attached to the pgd; * cannot free it. @@ -81,6 +81,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) */ mm_inc_nr_pmds(mm); return; + } free_pages((unsigned long)pmd, PMD_ORDER); } diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild index dc5385ebb071..5ad26dd94d77 100644 --- a/arch/s390/include/asm/Kbuild +++ b/arch/s390/include/asm/Kbuild @@ -3,5 +3,6 @@ generic-y += clkdev.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += trace_clock.h diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h index cfad7fca01d6..d7697ab802f6 100644 --- a/arch/s390/include/asm/ctl_reg.h +++ b/arch/s390/include/asm/ctl_reg.h @@ -57,7 +57,10 @@ union ctlreg0 { unsigned long lap : 1; /* Low-address-protection control */ unsigned long : 4; unsigned long edat : 1; /* Enhanced-DAT-enablement control */ - unsigned long : 23; + unsigned long : 4; + unsigned long afp : 1; /* AFP-register control */ + unsigned long vx : 1; /* Vector enablement control */ + unsigned long : 17; }; }; diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h index 0130d0379edd..d9be7c0c1291 100644 --- a/arch/s390/include/asm/hugetlb.h +++ b/arch/s390/include/asm/hugetlb.h @@ -14,6 +14,7 @@ #define is_hugepage_only_range(mm, addr, len) 0 #define hugetlb_free_pgd_range free_pgd_range +#define hugepages_supported() (MACHINE_HAS_HPAGE) void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte); diff --git a/arch/s390/include/asm/mm-arch-hooks.h b/arch/s390/include/asm/mm-arch-hooks.h deleted file mode 100644 index 07680b2f3c59..000000000000 --- a/arch/s390/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_S390_MM_ARCH_HOOKS_H -#define _ASM_S390_MM_ARCH_HOOKS_H - -#endif /* _ASM_S390_MM_ARCH_HOOKS_H */ diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index dd345238d9a7..53eacbd4f09b 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h @@ -17,10 +17,7 @@ #define PAGE_DEFAULT_ACC 0 #define PAGE_DEFAULT_KEY (PAGE_DEFAULT_ACC << 4) -#include <asm/setup.h> -#ifndef __ASSEMBLY__ - -extern int HPAGE_SHIFT; +#define HPAGE_SHIFT 20 #define HPAGE_SIZE (1UL << HPAGE_SHIFT) #define HPAGE_MASK (~(HPAGE_SIZE - 1)) #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) @@ -30,6 +27,9 @@ extern int HPAGE_SHIFT; #define ARCH_HAS_PREPARE_HUGEPAGE #define ARCH_HAS_HUGEPAGE_CLEAR_FLUSH +#include <asm/setup.h> +#ifndef __ASSEMBLY__ + static inline void storage_key_init_range(unsigned long start, unsigned long end) { #if PAGE_DEFAULT_KEY diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h index 4cb19fe76dd9..f897ec73dc8c 100644 --- a/arch/s390/include/asm/perf_event.h +++ b/arch/s390/include/asm/perf_event.h @@ -87,7 +87,15 @@ struct sf_raw_sample { } __packed; /* Perf hardware reserve and release functions */ +#ifdef CONFIG_PERF_EVENTS int perf_reserve_sampling(void); void perf_release_sampling(void); +#else /* CONFIG_PERF_EVENTS */ +static inline int perf_reserve_sampling(void) +{ + return 0; +} +static inline void perf_release_sampling(void) {} +#endif /* CONFIG_PERF_EVENTS */ #endif /* _ASM_S390_PERF_EVENT_H */ diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index c7d1b9d09011..a2da259d9327 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -23,15 +23,15 @@ int main(void) { - DEFINE(__THREAD_info, offsetof(struct task_struct, stack)); - DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp)); - DEFINE(__THREAD_mm_segment, offsetof(struct task_struct, thread.mm_segment)); - BLANK(); + DEFINE(__TASK_thread_info, offsetof(struct task_struct, stack)); + DEFINE(__TASK_thread, offsetof(struct task_struct, thread)); DEFINE(__TASK_pid, offsetof(struct task_struct, pid)); BLANK(); - DEFINE(__THREAD_per_cause, offsetof(struct task_struct, thread.per_event.cause)); - DEFINE(__THREAD_per_address, offsetof(struct task_struct, thread.per_event.address)); - DEFINE(__THREAD_per_paid, offsetof(struct task_struct, thread.per_event.paid)); + DEFINE(__THREAD_ksp, offsetof(struct thread_struct, ksp)); + DEFINE(__THREAD_per_cause, offsetof(struct thread_struct, per_event.cause)); + DEFINE(__THREAD_per_address, offsetof(struct thread_struct, per_event.address)); + DEFINE(__THREAD_per_paid, offsetof(struct thread_struct, per_event.paid)); + DEFINE(__THREAD_trap_tdb, offsetof(struct thread_struct, trap_tdb)); BLANK(); DEFINE(__TI_task, offsetof(struct thread_info, task)); DEFINE(__TI_flags, offsetof(struct thread_info, flags)); @@ -176,7 +176,6 @@ int main(void) DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data)); DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap)); DEFINE(__LC_PGM_TDB, offsetof(struct _lowcore, pgm_tdb)); - DEFINE(__THREAD_trap_tdb, offsetof(struct task_struct, thread.trap_tdb)); DEFINE(__GMAP_ASCE, offsetof(struct gmap, asce)); DEFINE(__SIE_PROG0C, offsetof(struct kvm_s390_sie_block, prog0c)); DEFINE(__SIE_PROG20, offsetof(struct kvm_s390_sie_block, prog20)); diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 3238893c9d4f..84062e7a77da 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -178,17 +178,21 @@ _PIF_WORK = (_PIF_PER_TRAP) */ ENTRY(__switch_to) stmg %r6,%r15,__SF_GPRS(%r15) # store gprs of prev task - stg %r15,__THREAD_ksp(%r2) # store kernel stack of prev - lg %r4,__THREAD_info(%r2) # get thread_info of prev - lg %r5,__THREAD_info(%r3) # get thread_info of next + lgr %r1,%r2 + aghi %r1,__TASK_thread # thread_struct of prev task + lg %r4,__TASK_thread_info(%r2) # get thread_info of prev + lg %r5,__TASK_thread_info(%r3) # get thread_info of next + stg %r15,__THREAD_ksp(%r1) # store kernel stack of prev + lgr %r1,%r3 + aghi %r1,__TASK_thread # thread_struct of next task lgr %r15,%r5 aghi %r15,STACK_INIT # end of kernel stack of next stg %r3,__LC_CURRENT # store task struct of next stg %r5,__LC_THREAD_INFO # store thread info of next stg %r15,__LC_KERNEL_STACK # store end of kernel stack + lg %r15,__THREAD_ksp(%r1) # load kernel stack of next lctl %c4,%c4,__TASK_pid(%r3) # load pid to control reg. 4 mvc __LC_CURRENT_PID+4(4,%r0),__TASK_pid(%r3) # store pid of next - lg %r15,__THREAD_ksp(%r3) # load kernel stack of next lmg %r6,%r15,__SF_GPRS(%r15) # load gprs of next task br %r14 @@ -417,6 +421,7 @@ ENTRY(pgm_check_handler) LAST_BREAK %r14 lg %r15,__LC_KERNEL_STACK lg %r14,__TI_task(%r12) + aghi %r14,__TASK_thread # pointer to thread_struct lghi %r13,__LC_PGM_TDB tm __LC_PGM_ILC+2,0x02 # check for transaction abort jz 2f diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c index 505c17c0ae1a..56b550893593 100644 --- a/arch/s390/kernel/nmi.c +++ b/arch/s390/kernel/nmi.c @@ -21,6 +21,7 @@ #include <asm/nmi.h> #include <asm/crw.h> #include <asm/switch_to.h> +#include <asm/ctl_reg.h> struct mcck_struct { int kill_task; @@ -129,26 +130,30 @@ static int notrace s390_revalidate_registers(struct mci *mci) } else asm volatile("lfpc 0(%0)" : : "a" (fpt_creg_save_area)); - asm volatile( - " ld 0,0(%0)\n" - " ld 1,8(%0)\n" - " ld 2,16(%0)\n" - " ld 3,24(%0)\n" - " ld 4,32(%0)\n" - " ld 5,40(%0)\n" - " ld 6,48(%0)\n" - " ld 7,56(%0)\n" - " ld 8,64(%0)\n" - " ld 9,72(%0)\n" - " ld 10,80(%0)\n" - " ld 11,88(%0)\n" - " ld 12,96(%0)\n" - " ld 13,104(%0)\n" - " ld 14,112(%0)\n" - " ld 15,120(%0)\n" - : : "a" (fpt_save_area)); - /* Revalidate vector registers */ - if (MACHINE_HAS_VX && current->thread.vxrs) { + if (!MACHINE_HAS_VX) { + /* Revalidate floating point registers */ + asm volatile( + " ld 0,0(%0)\n" + " ld 1,8(%0)\n" + " ld 2,16(%0)\n" + " ld 3,24(%0)\n" + " ld 4,32(%0)\n" + " ld 5,40(%0)\n" + " ld 6,48(%0)\n" + " ld 7,56(%0)\n" + " ld 8,64(%0)\n" + " ld 9,72(%0)\n" + " ld 10,80(%0)\n" + " ld 11,88(%0)\n" + " ld 12,96(%0)\n" + " ld 13,104(%0)\n" + " ld 14,112(%0)\n" + " ld 15,120(%0)\n" + : : "a" (fpt_save_area)); + } else { + /* Revalidate vector registers */ + union ctlreg0 cr0; + if (!mci->vr) { /* * Vector registers can't be restored and therefore @@ -156,8 +161,12 @@ static int notrace s390_revalidate_registers(struct mci *mci) */ kill_task = 1; } + cr0.val = S390_lowcore.cregs_save_area[0]; + cr0.afp = cr0.vx = 1; + __ctl_load(cr0.val, 0, 0); restore_vx_regs((__vector128 *) - S390_lowcore.vector_save_area_addr); + &S390_lowcore.vector_save_area); + __ctl_load(S390_lowcore.cregs_save_area[0], 0, 0); } /* Revalidate access registers */ asm volatile( diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index dc5edc29b73a..8f587d871b9f 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -163,7 +163,7 @@ int copy_thread(unsigned long clone_flags, unsigned long new_stackp, asmlinkage void execve_tail(void) { current->thread.fp_regs.fpc = 0; - asm volatile("sfpc %0,%0" : : "d" (0)); + asm volatile("sfpc %0" : : "d" (0)); } /* diff --git a/arch/s390/kernel/sclp.S b/arch/s390/kernel/sclp.S index 43c3169ea49c..ada0c07fe1a8 100644 --- a/arch/s390/kernel/sclp.S +++ b/arch/s390/kernel/sclp.S @@ -270,6 +270,8 @@ ENTRY(_sclp_print_early) jno .Lesa2 ahi %r15,-80 stmh %r6,%r15,96(%r15) # store upper register halves + basr %r13,0 + lmh %r0,%r15,.Lzeroes-.(%r13) # clear upper register halves .Lesa2: lr %r10,%r2 # save string pointer lhi %r2,0 @@ -291,6 +293,8 @@ ENTRY(_sclp_print_early) .Lesa3: lm %r6,%r15,120(%r15) # restore registers br %r14 +.Lzeroes: + .fill 64,4,0 .LwritedataS4: .long 0x00760005 # SCLP command for write data diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index f7f027caaaaa..ca070d260af2 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -885,8 +885,6 @@ void __init setup_arch(char **cmdline_p) */ setup_hwcaps(); - HPAGE_SHIFT = MACHINE_HAS_HPAGE ? 20 : 0; - /* * Create kernel page tables and switch to virtual addressing. */ diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 4d96c9f53455..7bea81d8a363 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -259,7 +259,7 @@ void vector_exception(struct pt_regs *regs) } /* get vector interrupt code from fpc */ - asm volatile("stfpc %0" : "=m" (current->thread.fp_regs.fpc)); + asm volatile("stfpc %0" : "=Q" (current->thread.fp_regs.fpc)); vic = (current->thread.fp_regs.fpc & 0xf00) >> 8; switch (vic) { case 1: /* invalid vector operation */ @@ -297,7 +297,7 @@ void data_exception(struct pt_regs *regs) location = get_trap_ip(regs); - asm volatile("stfpc %0" : "=m" (current->thread.fp_regs.fpc)); + asm volatile("stfpc %0" : "=Q" (current->thread.fp_regs.fpc)); /* Check for vector register enablement */ if (MACHINE_HAS_VX && !current->thread.vxrs && (current->thread.fp_regs.fpc & FPC_DXC_MASK) == 0xfe00) { diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 33082d0d101b..b33f66110ca9 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -31,8 +31,6 @@ #define ALLOC_ORDER 2 #define FRAG_MASK 0x03 -int HPAGE_SHIFT; - unsigned long *crst_table_alloc(struct mm_struct *mm) { struct page *page = alloc_pages(GFP_KERNEL, ALLOC_ORDER); diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c index bc927a09a172..9cfa2ffaa9d6 100644 --- a/arch/s390/oprofile/init.c +++ b/arch/s390/oprofile/init.c @@ -16,6 +16,7 @@ #include <linux/fs.h> #include <linux/module.h> #include <asm/processor.h> +#include <asm/perf_event.h> #include "../../../drivers/oprofile/oprof.h" diff --git a/arch/score/include/asm/Kbuild b/arch/score/include/asm/Kbuild index 138fb3db45ba..92ffe397b893 100644 --- a/arch/score/include/asm/Kbuild +++ b/arch/score/include/asm/Kbuild @@ -7,6 +7,7 @@ generic-y += clkdev.h generic-y += cputime.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += sections.h generic-y += trace_clock.h diff --git a/arch/score/include/asm/mm-arch-hooks.h b/arch/score/include/asm/mm-arch-hooks.h deleted file mode 100644 index 5e38689f189a..000000000000 --- a/arch/score/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_SCORE_MM_ARCH_HOOKS_H -#define _ASM_SCORE_MM_ARCH_HOOKS_H - -#endif /* _ASM_SCORE_MM_ARCH_HOOKS_H */ diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild index 9ac4626e7284..aac452b26aa8 100644 --- a/arch/sh/include/asm/Kbuild +++ b/arch/sh/include/asm/Kbuild @@ -16,6 +16,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += param.h diff --git a/arch/sh/include/asm/mm-arch-hooks.h b/arch/sh/include/asm/mm-arch-hooks.h deleted file mode 100644 index 18087298b728..000000000000 --- a/arch/sh/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_SH_MM_ARCH_HOOKS_H -#define _ASM_SH_MM_ARCH_HOOKS_H - -#endif /* _ASM_SH_MM_ARCH_HOOKS_H */ diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index 2b2a69dcc467..e928618838bc 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -12,6 +12,7 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += module.h generic-y += mutex.h generic-y += preempt.h diff --git a/arch/sparc/include/asm/mm-arch-hooks.h b/arch/sparc/include/asm/mm-arch-hooks.h deleted file mode 100644 index b89ba44c16f1..000000000000 --- a/arch/sparc/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_SPARC_MM_ARCH_HOOKS_H -#define _ASM_SPARC_MM_ARCH_HOOKS_H - -#endif /* _ASM_SPARC_MM_ARCH_HOOKS_H */ diff --git a/arch/tile/include/asm/Kbuild b/arch/tile/include/asm/Kbuild index d53654488c2c..d8a843163471 100644 --- a/arch/tile/include/asm/Kbuild +++ b/arch/tile/include/asm/Kbuild @@ -19,6 +19,7 @@ generic-y += irq_regs.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += msgbuf.h generic-y += mutex.h generic-y += param.h diff --git a/arch/tile/include/asm/mm-arch-hooks.h b/arch/tile/include/asm/mm-arch-hooks.h deleted file mode 100644 index d1709ea774f7..000000000000 --- a/arch/tile/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_TILE_MM_ARCH_HOOKS_H -#define _ASM_TILE_MM_ARCH_HOOKS_H - -#endif /* _ASM_TILE_MM_ARCH_HOOKS_H */ diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c index 99c9ff87e018..6b755d125783 100644 --- a/arch/tile/kernel/setup.c +++ b/arch/tile/kernel/setup.c @@ -1139,7 +1139,7 @@ static void __init load_hv_initrd(void) void __init free_initrd_mem(unsigned long begin, unsigned long end) { - free_bootmem(__pa(begin), end - begin); + free_bootmem_late(__pa(begin), end - begin); } static int __init setup_initrd(char *str) diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild index 3d63ff6f583f..149ec55f9c46 100644 --- a/arch/um/include/asm/Kbuild +++ b/arch/um/include/asm/Kbuild @@ -16,6 +16,7 @@ generic-y += irq_regs.h generic-y += irq_work.h generic-y += kdebug.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mutex.h generic-y += param.h generic-y += pci.h diff --git a/arch/um/include/asm/mm-arch-hooks.h b/arch/um/include/asm/mm-arch-hooks.h deleted file mode 100644 index a7c8b0dfdd4e..000000000000 --- a/arch/um/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_UM_MM_ARCH_HOOKS_H -#define _ASM_UM_MM_ARCH_HOOKS_H - -#endif /* _ASM_UM_MM_ARCH_HOOKS_H */ diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index d12b377b5a8b..1fc7a286dc6f 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild @@ -26,6 +26,7 @@ generic-y += kdebug.h generic-y += kmap_types.h generic-y += local.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += module.h generic-y += msgbuf.h diff --git a/arch/unicore32/include/asm/mm-arch-hooks.h b/arch/unicore32/include/asm/mm-arch-hooks.h deleted file mode 100644 index 4d79a850c509..000000000000 --- a/arch/unicore32/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_UNICORE32_MM_ARCH_HOOKS_H -#define _ASM_UNICORE32_MM_ARCH_HOOKS_H - -#endif /* _ASM_UNICORE32_MM_ARCH_HOOKS_H */ diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 55bced17dc95..b3a1a5d77d92 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -41,6 +41,7 @@ config X86 select ARCH_USE_CMPXCHG_LOCKREF if X86_64 select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS + select ARCH_WANTS_DYNAMIC_TASK_STRUCT select ARCH_WANT_FRAME_POINTERS select ARCH_WANT_IPC_PARSE_VERSION if X86_32 select ARCH_WANT_OPTIONAL_GPIOLIB @@ -254,6 +255,11 @@ config ARCH_SUPPORTS_OPTIMIZED_INLINING config ARCH_SUPPORTS_DEBUG_PAGEALLOC def_bool y +config KASAN_SHADOW_OFFSET + hex + depends on KASAN + default 0xdffffc0000000000 + config HAVE_INTEL_TXT def_bool y depends on INTEL_IOMMU && ACPI @@ -2015,7 +2021,7 @@ config CMDLINE_BOOL To compile command line arguments into the kernel, set this option to 'Y', then fill in the - the boot arguments in CONFIG_CMDLINE. + boot arguments in CONFIG_CMDLINE. Systems with fully functional boot loaders (i.e. non-embedded) should leave this option set to 'N'. diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index a15893d17c55..d8c0d3266173 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -297,6 +297,18 @@ config OPTIMIZE_INLINING If unsure, say N. +config DEBUG_ENTRY + bool "Debug low-level entry code" + depends on DEBUG_KERNEL + ---help--- + This option enables sanity checks in x86's low-level entry code. + Some of these sanity checks may slow down kernel entries and + exits or otherwise impact performance. + + This is currently used to help test NMI code. + + If unsure, say N. + config DEBUG_NMI_SELFTEST bool "NMI Selftest" depends on DEBUG_KERNEL && X86_LOCAL_APIC diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 3bb2c4302df1..8cb3e438f21e 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -1237,11 +1237,12 @@ ENTRY(nmi) * If the variable is not set and the stack is not the NMI * stack then: * o Set the special variable on the stack - * o Copy the interrupt frame into a "saved" location on the stack - * o Copy the interrupt frame into a "copy" location on the stack + * o Copy the interrupt frame into an "outermost" location on the + * stack + * o Copy the interrupt frame into an "iret" location on the stack * o Continue processing the NMI * If the variable is set or the previous stack is the NMI stack: - * o Modify the "copy" location to jump to the repeate_nmi + * o Modify the "iret" location to jump to the repeat_nmi * o return back to the first NMI * * Now on exit of the first NMI, we first clear the stack variable @@ -1250,31 +1251,151 @@ ENTRY(nmi) * a nested NMI that updated the copy interrupt stack frame, a * jump will be made to the repeat_nmi code that will handle the second * NMI. + * + * However, espfix prevents us from directly returning to userspace + * with a single IRET instruction. Similarly, IRET to user mode + * can fault. We therefore handle NMIs from user space like + * other IST entries. */ /* Use %rdx as our temp variable throughout */ pushq %rdx + testb $3, CS-RIP+8(%rsp) + jz .Lnmi_from_kernel + + /* + * NMI from user mode. We need to run on the thread stack, but we + * can't go through the normal entry paths: NMIs are masked, and + * we don't want to enable interrupts, because then we'll end + * up in an awkward situation in which IRQs are on but NMIs + * are off. + */ + + SWAPGS + cld + movq %rsp, %rdx + movq PER_CPU_VAR(cpu_current_top_of_stack), %rsp + pushq 5*8(%rdx) /* pt_regs->ss */ + pushq 4*8(%rdx) /* pt_regs->rsp */ + pushq 3*8(%rdx) /* pt_regs->flags */ + pushq 2*8(%rdx) /* pt_regs->cs */ + pushq 1*8(%rdx) /* pt_regs->rip */ + pushq $-1 /* pt_regs->orig_ax */ + pushq %rdi /* pt_regs->di */ + pushq %rsi /* pt_regs->si */ + pushq (%rdx) /* pt_regs->dx */ + pushq %rcx /* pt_regs->cx */ + pushq %rax /* pt_regs->ax */ + pushq %r8 /* pt_regs->r8 */ + pushq %r9 /* pt_regs->r9 */ + pushq %r10 /* pt_regs->r10 */ + pushq %r11 /* pt_regs->r11 */ + pushq %rbx /* pt_regs->rbx */ + pushq %rbp /* pt_regs->rbp */ + pushq %r12 /* pt_regs->r12 */ + pushq %r13 /* pt_regs->r13 */ + pushq %r14 /* pt_regs->r14 */ + pushq %r15 /* pt_regs->r15 */ + + /* + * At this point we no longer need to worry about stack damage + * due to nesting -- we're on the normal thread stack and we're + * done with the NMI stack. + */ + + movq %rsp, %rdi + movq $-1, %rsi + call do_nmi + + /* + * Return back to user mode. We must *not* do the normal exit + * work, because we don't want to enable interrupts. Fortunately, + * do_nmi doesn't modify pt_regs. + */ + SWAPGS + jmp restore_c_regs_and_iret + +.Lnmi_from_kernel: + /* + * Here's what our stack frame will look like: + * +---------------------------------------------------------+ + * | original SS | + * | original Return RSP | + * | original RFLAGS | + * | original CS | + * | original RIP | + * +---------------------------------------------------------+ + * | temp storage for rdx | + * +---------------------------------------------------------+ + * | "NMI executing" variable | + * +---------------------------------------------------------+ + * | iret SS } Copied from "outermost" frame | + * | iret Return RSP } on each loop iteration; overwritten | + * | iret RFLAGS } by a nested NMI to force another | + * | iret CS } iteration if needed. | + * | iret RIP } | + * +---------------------------------------------------------+ + * | outermost SS } initialized in first_nmi; | + * | outermost Return RSP } will not be changed before | + * | outermost RFLAGS } NMI processing is done. | + * | outermost CS } Copied to "iret" frame on each | + * | outermost RIP } iteration. | + * +---------------------------------------------------------+ + * | pt_regs | + * +---------------------------------------------------------+ + * + * The "original" frame is used by hardware. Before re-enabling + * NMIs, we need to be done with it, and we need to leave enough + * space for the asm code here. + * + * We return by executing IRET while RSP points to the "iret" frame. + * That will either return for real or it will loop back into NMI + * processing. + * + * The "outermost" frame is copied to the "iret" frame on each + * iteration of the loop, so each iteration starts with the "iret" + * frame pointing to the final return target. + */ + /* - * If %cs was not the kernel segment, then the NMI triggered in user - * space, which means it is definitely not nested. + * Determine whether we're a nested NMI. + * + * If we interrupted kernel code between repeat_nmi and + * end_repeat_nmi, then we are a nested NMI. We must not + * modify the "iret" frame because it's being written by + * the outer NMI. That's okay; the outer NMI handler is + * about to about to call do_nmi anyway, so we can just + * resume the outer NMI. */ - cmpl $__KERNEL_CS, 16(%rsp) - jne first_nmi + + movq $repeat_nmi, %rdx + cmpq 8(%rsp), %rdx + ja 1f + movq $end_repeat_nmi, %rdx + cmpq 8(%rsp), %rdx + ja nested_nmi_out +1: /* - * Check the special variable on the stack to see if NMIs are - * executing. + * Now check "NMI executing". If it's set, then we're nested. + * This will not detect if we interrupted an outer NMI just + * before IRET. */ cmpl $1, -8(%rsp) je nested_nmi /* - * Now test if the previous stack was an NMI stack. - * We need the double check. We check the NMI stack to satisfy the - * race when the first NMI clears the variable before returning. - * We check the variable because the first NMI could be in a - * breakpoint routine using a breakpoint stack. + * Now test if the previous stack was an NMI stack. This covers + * the case where we interrupt an outer NMI after it clears + * "NMI executing" but before IRET. We need to be careful, though: + * there is one case in which RSP could point to the NMI stack + * despite there being no NMI active: naughty userspace controls + * RSP at the very beginning of the SYSCALL targets. We can + * pull a fast one on naughty userspace, though: we program + * SYSCALL to mask DF, so userspace cannot cause DF to be set + * if it controls the kernel's RSP. We set DF before we clear + * "NMI executing". */ lea 6*8(%rsp), %rdx /* Compare the NMI stack (rdx) with the stack we came from (4*8(%rsp)) */ @@ -1286,25 +1407,20 @@ ENTRY(nmi) cmpq %rdx, 4*8(%rsp) /* If it is below the NMI stack, it is a normal NMI */ jb first_nmi - /* Ah, it is within the NMI stack, treat it as nested */ + + /* Ah, it is within the NMI stack. */ + + testb $(X86_EFLAGS_DF >> 8), (3*8 + 1)(%rsp) + jz first_nmi /* RSP was user controlled. */ + + /* This is a nested NMI. */ nested_nmi: /* - * Do nothing if we interrupted the fixup in repeat_nmi. - * It's about to repeat the NMI handler, so we are fine - * with ignoring this one. + * Modify the "iret" frame to point to repeat_nmi, forcing another + * iteration of NMI handling. */ - movq $repeat_nmi, %rdx - cmpq 8(%rsp), %rdx - ja 1f - movq $end_repeat_nmi, %rdx - cmpq 8(%rsp), %rdx - ja nested_nmi_out - -1: - /* Set up the interrupted NMIs stack to jump to repeat_nmi */ - leaq -1*8(%rsp), %rdx - movq %rdx, %rsp + subq $8, %rsp leaq -10*8(%rsp), %rdx pushq $__KERNEL_DS pushq %rdx @@ -1318,61 +1434,42 @@ nested_nmi: nested_nmi_out: popq %rdx - /* No need to check faults here */ + /* We are returning to kernel mode, so this cannot result in a fault. */ INTERRUPT_RETURN first_nmi: - /* - * Because nested NMIs will use the pushed location that we - * stored in rdx, we must keep that space available. - * Here's what our stack frame will look like: - * +-------------------------+ - * | original SS | - * | original Return RSP | - * | original RFLAGS | - * | original CS | - * | original RIP | - * +-------------------------+ - * | temp storage for rdx | - * +-------------------------+ - * | NMI executing variable | - * +-------------------------+ - * | copied SS | - * | copied Return RSP | - * | copied RFLAGS | - * | copied CS | - * | copied RIP | - * +-------------------------+ - * | Saved SS | - * | Saved Return RSP | - * | Saved RFLAGS | - * | Saved CS | - * | Saved RIP | - * +-------------------------+ - * | pt_regs | - * +-------------------------+ - * - * The saved stack frame is used to fix up the copied stack frame - * that a nested NMI may change to make the interrupted NMI iret jump - * to the repeat_nmi. The original stack frame and the temp storage - * is also used by nested NMIs and can not be trusted on exit. - */ - /* Do not pop rdx, nested NMIs will corrupt that part of the stack */ + /* Restore rdx. */ movq (%rsp), %rdx - /* Set the NMI executing variable on the stack. */ - pushq $1 + /* Make room for "NMI executing". */ + pushq $0 - /* Leave room for the "copied" frame */ + /* Leave room for the "iret" frame */ subq $(5*8), %rsp - /* Copy the stack frame to the Saved frame */ + /* Copy the "original" frame to the "outermost" frame */ .rept 5 pushq 11*8(%rsp) .endr /* Everything up to here is safe from nested NMIs */ +#ifdef CONFIG_DEBUG_ENTRY + /* + * For ease of testing, unmask NMIs right away. Disabled by + * default because IRET is very expensive. + */ + pushq $0 /* SS */ + pushq %rsp /* RSP (minus 8 because of the previous push) */ + addq $8, (%rsp) /* Fix up RSP */ + pushfq /* RFLAGS */ + pushq $__KERNEL_CS /* CS */ + pushq $1f /* RIP */ + INTERRUPT_RETURN /* continues at repeat_nmi below */ +1: +#endif + +repeat_nmi: /* * If there was a nested NMI, the first NMI's iret will return * here. But NMIs are still enabled and we can take another @@ -1381,16 +1478,20 @@ first_nmi: * it will just return, as we are about to repeat an NMI anyway. * This makes it safe to copy to the stack frame that a nested * NMI will update. + * + * RSP is pointing to "outermost RIP". gsbase is unknown, but, if + * we're repeating an NMI, gsbase has the same value that it had on + * the first iteration. paranoid_entry will load the kernel + * gsbase if needed before we call do_nmi. "NMI executing" + * is zero. */ -repeat_nmi: + movq $1, 10*8(%rsp) /* Set "NMI executing". */ + /* - * Update the stack variable to say we are still in NMI (the update - * is benign for the non-repeat case, where 1 was pushed just above - * to this very stack slot). + * Copy the "outermost" frame to the "iret" frame. NMIs that nest + * here must not modify the "iret" frame while we're writing to + * it or it will end up containing garbage. */ - movq $1, 10*8(%rsp) - - /* Make another copy, this one may be modified by nested NMIs */ addq $(10*8), %rsp .rept 5 pushq -6*8(%rsp) @@ -1399,9 +1500,9 @@ repeat_nmi: end_repeat_nmi: /* - * Everything below this point can be preempted by a nested - * NMI if the first NMI took an exception and reset our iret stack - * so that we repeat another NMI. + * Everything below this point can be preempted by a nested NMI. + * If this happens, then the inner NMI will change the "iret" + * frame to point back to repeat_nmi. */ pushq $-1 /* ORIG_RAX: no syscall to restart */ ALLOC_PT_GPREGS_ON_STACK @@ -1415,28 +1516,11 @@ end_repeat_nmi: */ call paranoid_entry - /* - * Save off the CR2 register. If we take a page fault in the NMI then - * it could corrupt the CR2 value. If the NMI preempts a page fault - * handler before it was able to read the CR2 register, and then the - * NMI itself takes a page fault, the page fault that was preempted - * will read the information from the NMI page fault and not the - * origin fault. Save it off and restore it if it changes. - * Use the r12 callee-saved register. - */ - movq %cr2, %r12 - /* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */ movq %rsp, %rdi movq $-1, %rsi call do_nmi - /* Did the NMI take a page fault? Restore cr2 if it did */ - movq %cr2, %rcx - cmpq %rcx, %r12 - je 1f - movq %r12, %cr2 -1: testl %ebx, %ebx /* swapgs needed? */ jnz nmi_restore nmi_swapgs: @@ -1444,11 +1528,26 @@ nmi_swapgs: nmi_restore: RESTORE_EXTRA_REGS RESTORE_C_REGS - /* Pop the extra iret frame at once */ + + /* Point RSP at the "iret" frame. */ REMOVE_PT_GPREGS_FROM_STACK 6*8 - /* Clear the NMI executing stack variable */ - movq $0, 5*8(%rsp) + /* + * Clear "NMI executing". Set DF first so that we can easily + * distinguish the remaining code between here and IRET from + * the SYSCALL entry and exit paths. On a native kernel, we + * could just inspect RIP, but, on paravirt kernels, + * INTERRUPT_RETURN can translate into a jump into a + * hypercall page. + */ + std + movq $0, 5*8(%rsp) /* clear "NMI executing" */ + + /* + * INTERRUPT_RETURN reads the "iret" frame and exits the NMI + * stack in a single instruction. We are returning to kernel + * mode, so this cannot result in a fault. + */ INTERRUPT_RETURN END(nmi) diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S index bb187a6a877c..5a1844765a7a 100644 --- a/arch/x86/entry/entry_64_compat.S +++ b/arch/x86/entry/entry_64_compat.S @@ -205,7 +205,6 @@ sysexit_from_sys_call: movl RDX(%rsp), %edx /* arg3 */ movl RSI(%rsp), %ecx /* arg4 */ movl RDI(%rsp), %r8d /* arg5 */ - movl %ebp, %r9d /* arg6 */ .endm .macro auditsys_exit exit @@ -236,6 +235,7 @@ sysexit_from_sys_call: sysenter_auditsys: auditsys_entry_common + movl %ebp, %r9d /* reload 6th syscall arg */ jmp sysenter_dispatch sysexit_audit: @@ -336,7 +336,7 @@ ENTRY(entry_SYSCALL_compat) * 32-bit zero extended: */ ASM_STAC -1: movl (%r8), %ebp +1: movl (%r8), %r9d _ASM_EXTABLE(1b, ia32_badarg) ASM_CLAC orl $TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) @@ -346,7 +346,7 @@ ENTRY(entry_SYSCALL_compat) cstar_do_call: /* 32-bit syscall -> 64-bit C ABI argument conversion */ movl %edi, %r8d /* arg5 */ - movl %ebp, %r9d /* arg6 */ + /* r9 already loaded */ /* arg6 */ xchg %ecx, %esi /* rsi:arg2, rcx:arg4 */ movl %ebx, %edi /* arg1 */ movl %edx, %edx /* arg3 (zero extension) */ @@ -358,7 +358,6 @@ cstar_dispatch: call *ia32_sys_call_table(, %rax, 8) movq %rax, RAX(%rsp) 1: - movl RCX(%rsp), %ebp DISABLE_INTERRUPTS(CLBR_NONE) TRACE_IRQS_OFF testl $_TIF_ALLWORK_MASK, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) @@ -392,7 +391,9 @@ sysretl_from_sys_call: #ifdef CONFIG_AUDITSYSCALL cstar_auditsys: + movl %r9d, R9(%rsp) /* register to be clobbered by call */ auditsys_entry_common + movl R9(%rsp), %r9d /* reload 6th syscall arg */ jmp cstar_dispatch sysretl_audit: @@ -404,14 +405,16 @@ cstar_tracesys: testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT), ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) jz cstar_auditsys #endif + xchgl %r9d, %ebp SAVE_EXTRA_REGS xorl %eax, %eax /* Do not leak kernel information */ movq %rax, R11(%rsp) movq %rax, R10(%rsp) - movq %rax, R9(%rsp) + movq %r9, R9(%rsp) movq %rax, R8(%rsp) movq %rsp, %rdi /* &pt_regs -> arg1 */ call syscall_trace_enter + movl R9(%rsp), %r9d /* Reload arg registers from stack. (see sysenter_tracesys) */ movl RCX(%rsp), %ecx @@ -421,6 +424,7 @@ cstar_tracesys: movl %eax, %eax /* zero extension */ RESTORE_EXTRA_REGS + xchgl %ebp, %r9d jmp cstar_do_call END(entry_SYSCALL_compat) diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild index 4dd1f2d770af..aeac434c9feb 100644 --- a/arch/x86/include/asm/Kbuild +++ b/arch/x86/include/asm/Kbuild @@ -9,3 +9,4 @@ generic-y += cputime.h generic-y += dma-contiguous.h generic-y += early_ioremap.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h diff --git a/arch/x86/include/asm/espfix.h b/arch/x86/include/asm/espfix.h index 99efebb2f69d..ca3ce9ab9385 100644 --- a/arch/x86/include/asm/espfix.h +++ b/arch/x86/include/asm/espfix.h @@ -9,7 +9,7 @@ DECLARE_PER_CPU_READ_MOSTLY(unsigned long, espfix_stack); DECLARE_PER_CPU_READ_MOSTLY(unsigned long, espfix_waddr); extern void init_espfix_bsp(void); -extern void init_espfix_ap(void); +extern void init_espfix_ap(int cpu); #endif /* CONFIG_X86_64 */ diff --git a/arch/x86/include/asm/fpu/types.h b/arch/x86/include/asm/fpu/types.h index 0637826292de..c49c5173158e 100644 --- a/arch/x86/include/asm/fpu/types.h +++ b/arch/x86/include/asm/fpu/types.h @@ -189,6 +189,7 @@ union fpregs_state { struct fxregs_state fxsave; struct swregs_state soft; struct xregs_state xsave; + u8 __padding[PAGE_SIZE]; }; /* @@ -198,40 +199,6 @@ union fpregs_state { */ struct fpu { /* - * @state: - * - * In-memory copy of all FPU registers that we save/restore - * over context switches. If the task is using the FPU then - * the registers in the FPU are more recent than this state - * copy. If the task context-switches away then they get - * saved here and represent the FPU state. - * - * After context switches there may be a (short) time period - * during which the in-FPU hardware registers are unchanged - * and still perfectly match this state, if the tasks - * scheduled afterwards are not using the FPU. - * - * This is the 'lazy restore' window of optimization, which - * we track though 'fpu_fpregs_owner_ctx' and 'fpu->last_cpu'. - * - * We detect whether a subsequent task uses the FPU via setting - * CR0::TS to 1, which causes any FPU use to raise a #NM fault. - * - * During this window, if the task gets scheduled again, we - * might be able to skip having to do a restore from this - * memory buffer to the hardware registers - at the cost of - * incurring the overhead of #NM fault traps. - * - * Note that on modern CPUs that support the XSAVEOPT (or other - * optimized XSAVE instructions), we don't use #NM traps anymore, - * as the hardware can track whether FPU registers need saving - * or not. On such CPUs we activate the non-lazy ('eagerfpu') - * logic, which unconditionally saves/restores all FPU state - * across context switches. (if FPU state exists.) - */ - union fpregs_state state; - - /* * @last_cpu: * * Records the last CPU on which this context was loaded into @@ -288,6 +255,43 @@ struct fpu { * deal with bursty apps that only use the FPU for a short time: */ unsigned char counter; + /* + * @state: + * + * In-memory copy of all FPU registers that we save/restore + * over context switches. If the task is using the FPU then + * the registers in the FPU are more recent than this state + * copy. If the task context-switches away then they get + * saved here and represent the FPU state. + * + * After context switches there may be a (short) time period + * during which the in-FPU hardware registers are unchanged + * and still perfectly match this state, if the tasks + * scheduled afterwards are not using the FPU. + * + * This is the 'lazy restore' window of optimization, which + * we track though 'fpu_fpregs_owner_ctx' and 'fpu->last_cpu'. + * + * We detect whether a subsequent task uses the FPU via setting + * CR0::TS to 1, which causes any FPU use to raise a #NM fault. + * + * During this window, if the task gets scheduled again, we + * might be able to skip having to do a restore from this + * memory buffer to the hardware registers - at the cost of + * incurring the overhead of #NM fault traps. + * + * Note that on modern CPUs that support the XSAVEOPT (or other + * optimized XSAVE instructions), we don't use #NM traps anymore, + * as the hardware can track whether FPU registers need saving + * or not. On such CPUs we activate the non-lazy ('eagerfpu') + * logic, which unconditionally saves/restores all FPU state + * across context switches. (if FPU state exists.) + */ + union fpregs_state state; + /* + * WARNING: 'state' is dynamically-sized. Do not put + * anything after it here. + */ }; #endif /* _ASM_X86_FPU_H */ diff --git a/arch/x86/include/asm/intel_pmc_ipc.h b/arch/x86/include/asm/intel_pmc_ipc.h index 200ec2e7821d..cd0310e186f4 100644 --- a/arch/x86/include/asm/intel_pmc_ipc.h +++ b/arch/x86/include/asm/intel_pmc_ipc.h @@ -25,36 +25,9 @@ #if IS_ENABLED(CONFIG_INTEL_PMC_IPC) -/* - * intel_pmc_ipc_simple_command - * @cmd: command - * @sub: sub type - */ int intel_pmc_ipc_simple_command(int cmd, int sub); - -/* - * intel_pmc_ipc_raw_cmd - * @cmd: command - * @sub: sub type - * @in: input data - * @inlen: input length in bytes - * @out: output data - * @outlen: output length in dwords - * @sptr: data writing to SPTR register - * @dptr: data writing to DPTR register - */ int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, u32 outlen, u32 dptr, u32 sptr); - -/* - * intel_pmc_ipc_command - * @cmd: command - * @sub: sub type - * @in: input data - * @inlen: input length in bytes - * @out: output data - * @outlen: output length in dwords - */ int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, u32 outlen); diff --git a/arch/x86/include/asm/kasan.h b/arch/x86/include/asm/kasan.h index 8b22422fbad8..74a2a8dc9908 100644 --- a/arch/x86/include/asm/kasan.h +++ b/arch/x86/include/asm/kasan.h @@ -14,15 +14,11 @@ #ifndef __ASSEMBLY__ -extern pte_t kasan_zero_pte[]; -extern pte_t kasan_zero_pmd[]; -extern pte_t kasan_zero_pud[]; - #ifdef CONFIG_KASAN -void __init kasan_map_early_shadow(pgd_t *pgd); +void __init kasan_early_init(void); void __init kasan_init(void); #else -static inline void kasan_map_early_shadow(pgd_t *pgd) { } +static inline void kasan_early_init(void) { } static inline void kasan_init(void) { } #endif diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 2a7f5d782c33..49ec9038ec14 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -604,6 +604,8 @@ struct kvm_arch { bool iommu_noncoherent; #define __KVM_HAVE_ARCH_NONCOHERENT_DMA atomic_t noncoherent_dma_count; +#define __KVM_HAVE_ARCH_ASSIGNED_DEVICE + atomic_t assigned_device_count; struct kvm_pic *vpic; struct kvm_ioapic *vioapic; struct kvm_pit *vpit; diff --git a/arch/x86/include/asm/mm-arch-hooks.h b/arch/x86/include/asm/mm-arch-hooks.h deleted file mode 100644 index 4e881a342236..000000000000 --- a/arch/x86/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_X86_MM_ARCH_HOOKS_H -#define _ASM_X86_MM_ARCH_HOOKS_H - -#endif /* _ASM_X86_MM_ARCH_HOOKS_H */ diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h index 5e8daee7c5c9..804a3a6030ca 100644 --- a/arch/x86/include/asm/mmu_context.h +++ b/arch/x86/include/asm/mmu_context.h @@ -23,7 +23,7 @@ extern struct static_key rdpmc_always_available; static inline void load_mm_cr4(struct mm_struct *mm) { - if (static_key_true(&rdpmc_always_available) || + if (static_key_false(&rdpmc_always_available) || atomic_read(&mm->context.perf_rdpmc_allowed)) cr4_set_bits(X86_CR4_PCE); else diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 43e6519df0d5..944f1785ed0d 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -390,9 +390,6 @@ struct thread_struct { #endif unsigned long gs; - /* Floating point and extended processor state */ - struct fpu fpu; - /* Save middle states of ptrace breakpoints */ struct perf_event *ptrace_bps[HBP_NUM]; /* Debug status used for traps, single steps, etc... */ @@ -418,6 +415,13 @@ struct thread_struct { unsigned long iopl; /* Max allowed port in the bitmap, in bytes: */ unsigned io_bitmap_max; + + /* Floating point and extended processor state */ + struct fpu fpu; + /* + * WARNING: 'fpu' is dynamically-sized. It *MUST* be at + * the end. + */ }; /* diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h index 8fba544e9cc4..f36d56bd7632 100644 --- a/arch/x86/include/uapi/asm/hyperv.h +++ b/arch/x86/include/uapi/asm/hyperv.h @@ -108,6 +108,8 @@ #define HV_X64_HYPERCALL_PARAMS_XMM_AVAILABLE (1 << 4) /* Support for a virtual guest idle state is available */ #define HV_X64_GUEST_IDLE_STATE_AVAILABLE (1 << 5) +/* Guest crash data handler available */ +#define HV_X64_GUEST_CRASH_MSR_AVAILABLE (1 << 10) /* * Implementation recommendations. Indicates which behaviors the hypervisor diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h index a4ae82eb82aa..cd54147cb365 100644 --- a/arch/x86/include/uapi/asm/kvm.h +++ b/arch/x86/include/uapi/asm/kvm.h @@ -354,7 +354,7 @@ struct kvm_xcrs { struct kvm_sync_regs { }; -#define KVM_QUIRK_LINT0_REENABLED (1 << 0) -#define KVM_QUIRK_CD_NW_CLEARED (1 << 1) +#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0) +#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1) #endif /* _ASM_X86_KVM_H */ diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c index 7ad911ea4f56..f47069e8efac 100644 --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -409,12 +409,6 @@ static void __setup_vector_irq(int cpu) int irq, vector; struct apic_chip_data *data; - /* - * vector_lock will make sure that we don't run into irq vector - * assignments that might be happening on another cpu in parallel, - * while we setup our initial vector to irq mappings. - */ - raw_spin_lock(&vector_lock); /* Mark the inuse vectors */ for_each_active_irq(irq) { data = apic_chip_data(irq_get_irq_data(irq)); @@ -436,16 +430,16 @@ static void __setup_vector_irq(int cpu) if (!cpumask_test_cpu(cpu, data->domain)) per_cpu(vector_irq, cpu)[vector] = VECTOR_UNDEFINED; } - raw_spin_unlock(&vector_lock); } /* - * Setup the vector to irq mappings. + * Setup the vector to irq mappings. Must be called with vector_lock held. */ void setup_vector_irq(int cpu) { int irq; + lockdep_assert_held(&vector_lock); /* * On most of the platforms, legacy PIC delivers the interrupts on the * boot cpu. But there are certain platforms where PIC interrupts are diff --git a/arch/x86/kernel/cpu/perf_event_intel_cqm.c b/arch/x86/kernel/cpu/perf_event_intel_cqm.c index 188076161c1b..63eb68b73589 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_cqm.c +++ b/arch/x86/kernel/cpu/perf_event_intel_cqm.c @@ -952,6 +952,14 @@ static u64 intel_cqm_event_count(struct perf_event *event) return 0; /* + * Getting up-to-date values requires an SMP IPI which is not + * possible if we're being called in interrupt context. Return + * the cached values instead. + */ + if (unlikely(in_interrupt())) + goto out; + + /* * Notice that we don't perform the reading of an RMID * atomically, because we can't hold a spin lock across the * IPIs. diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c index 89427d8d4fc5..eec40f595ab9 100644 --- a/arch/x86/kernel/early_printk.c +++ b/arch/x86/kernel/early_printk.c @@ -175,7 +175,9 @@ static __init void early_serial_init(char *s) } if (*s) { - if (kstrtoul(s, 0, &baud) < 0 || baud == 0) + baud = simple_strtoull(s, &e, 0); + + if (baud == 0 || s == e) baud = DEFAULT_BAUD; } diff --git a/arch/x86/kernel/espfix_64.c b/arch/x86/kernel/espfix_64.c index f5d0730e7b08..ce95676abd60 100644 --- a/arch/x86/kernel/espfix_64.c +++ b/arch/x86/kernel/espfix_64.c @@ -131,25 +131,24 @@ void __init init_espfix_bsp(void) init_espfix_random(); /* The rest is the same as for any other processor */ - init_espfix_ap(); + init_espfix_ap(0); } -void init_espfix_ap(void) +void init_espfix_ap(int cpu) { - unsigned int cpu, page; + unsigned int page; unsigned long addr; pud_t pud, *pud_p; pmd_t pmd, *pmd_p; pte_t pte, *pte_p; - int n; + int n, node; void *stack_page; pteval_t ptemask; /* We only have to do this once... */ - if (likely(this_cpu_read(espfix_stack))) + if (likely(per_cpu(espfix_stack, cpu))) return; /* Already initialized */ - cpu = smp_processor_id(); addr = espfix_base_addr(cpu); page = cpu/ESPFIX_STACKS_PER_PAGE; @@ -165,12 +164,15 @@ void init_espfix_ap(void) if (stack_page) goto unlock_done; + node = cpu_to_node(cpu); ptemask = __supported_pte_mask; pud_p = &espfix_pud_page[pud_index(addr)]; pud = *pud_p; if (!pud_present(pud)) { - pmd_p = (pmd_t *)__get_free_page(PGALLOC_GFP); + struct page *page = alloc_pages_node(node, PGALLOC_GFP, 0); + + pmd_p = (pmd_t *)page_address(page); pud = __pud(__pa(pmd_p) | (PGTABLE_PROT & ptemask)); paravirt_alloc_pmd(&init_mm, __pa(pmd_p) >> PAGE_SHIFT); for (n = 0; n < ESPFIX_PUD_CLONES; n++) @@ -180,7 +182,9 @@ void init_espfix_ap(void) pmd_p = pmd_offset(&pud, addr); pmd = *pmd_p; if (!pmd_present(pmd)) { - pte_p = (pte_t *)__get_free_page(PGALLOC_GFP); + struct page *page = alloc_pages_node(node, PGALLOC_GFP, 0); + + pte_p = (pte_t *)page_address(page); pmd = __pmd(__pa(pte_p) | (PGTABLE_PROT & ptemask)); paravirt_alloc_pte(&init_mm, __pa(pte_p) >> PAGE_SHIFT); for (n = 0; n < ESPFIX_PMD_CLONES; n++) @@ -188,7 +192,7 @@ void init_espfix_ap(void) } pte_p = pte_offset_kernel(&pmd, addr); - stack_page = (void *)__get_free_page(GFP_KERNEL); + stack_page = page_address(alloc_pages_node(node, GFP_KERNEL, 0)); pte = __pte(__pa(stack_page) | (__PAGE_KERNEL_RO & ptemask)); for (n = 0; n < ESPFIX_PTE_CLONES; n++) set_pte(&pte_p[n*PTE_STRIDE], pte); @@ -199,7 +203,7 @@ void init_espfix_ap(void) unlock_done: mutex_unlock(&espfix_init_mutex); done: - this_cpu_write(espfix_stack, addr); - this_cpu_write(espfix_waddr, (unsigned long)stack_page - + (addr & ~PAGE_MASK)); + per_cpu(espfix_stack, cpu) = addr; + per_cpu(espfix_waddr, cpu) = (unsigned long)stack_page + + (addr & ~PAGE_MASK); } diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c index 32826791e675..1e173f6285c7 100644 --- a/arch/x86/kernel/fpu/init.c +++ b/arch/x86/kernel/fpu/init.c @@ -4,6 +4,8 @@ #include <asm/fpu/internal.h> #include <asm/tlbflush.h> +#include <linux/sched.h> + /* * Initialize the TS bit in CR0 according to the style of context-switches * we are using: @@ -136,6 +138,43 @@ static void __init fpu__init_system_generic(void) unsigned int xstate_size; EXPORT_SYMBOL_GPL(xstate_size); +/* Enforce that 'MEMBER' is the last field of 'TYPE': */ +#define CHECK_MEMBER_AT_END_OF(TYPE, MEMBER) \ + BUILD_BUG_ON(sizeof(TYPE) != offsetofend(TYPE, MEMBER)) + +/* + * We append the 'struct fpu' to the task_struct: + */ +static void __init fpu__init_task_struct_size(void) +{ + int task_size = sizeof(struct task_struct); + + /* + * Subtract off the static size of the register state. + * It potentially has a bunch of padding. + */ + task_size -= sizeof(((struct task_struct *)0)->thread.fpu.state); + + /* + * Add back the dynamically-calculated register state + * size. + */ + task_size += xstate_size; + + /* + * We dynamically size 'struct fpu', so we require that + * it be at the end of 'thread_struct' and that + * 'thread_struct' be at the end of 'task_struct'. If + * you hit a compile error here, check the structure to + * see if something got added to the end. + */ + CHECK_MEMBER_AT_END_OF(struct fpu, state); + CHECK_MEMBER_AT_END_OF(struct thread_struct, fpu); + CHECK_MEMBER_AT_END_OF(struct task_struct, thread); + + arch_task_struct_size = task_size; +} + /* * Set up the xstate_size based on the legacy FPU context size. * @@ -287,6 +326,7 @@ void __init fpu__init_system(struct cpuinfo_x86 *c) fpu__init_system_generic(); fpu__init_system_xstate_size_legacy(); fpu__init_system_xstate(); + fpu__init_task_struct_size(); fpu__init_system_ctx_switch(); } @@ -311,9 +351,15 @@ static int __init x86_noxsave_setup(char *s) setup_clear_cpu_cap(X86_FEATURE_XSAVE); setup_clear_cpu_cap(X86_FEATURE_XSAVEOPT); + setup_clear_cpu_cap(X86_FEATURE_XSAVEC); setup_clear_cpu_cap(X86_FEATURE_XSAVES); setup_clear_cpu_cap(X86_FEATURE_AVX); setup_clear_cpu_cap(X86_FEATURE_AVX2); + setup_clear_cpu_cap(X86_FEATURE_AVX512F); + setup_clear_cpu_cap(X86_FEATURE_AVX512PF); + setup_clear_cpu_cap(X86_FEATURE_AVX512ER); + setup_clear_cpu_cap(X86_FEATURE_AVX512CD); + setup_clear_cpu_cap(X86_FEATURE_MPX); return 1; } diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 5a4668136e98..f129a9af6357 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -161,11 +161,12 @@ asmlinkage __visible void __init x86_64_start_kernel(char * real_mode_data) /* Kill off the identity-map trampoline */ reset_early_page_tables(); - kasan_map_early_shadow(early_level4_pgt); - - /* clear bss before set_intr_gate with early_idt_handler */ clear_bss(); + clear_page(init_level4_pgt); + + kasan_early_init(); + for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) set_intr_gate(i, early_idt_handler_array[i]); load_idt((const struct desc_ptr *)&idt_descr); @@ -177,12 +178,9 @@ asmlinkage __visible void __init x86_64_start_kernel(char * real_mode_data) */ load_ucode_bsp(); - clear_page(init_level4_pgt); /* set init_level4_pgt kernel high mapping*/ init_level4_pgt[511] = early_level4_pgt[511]; - kasan_map_early_shadow(init_level4_pgt); - x86_64_start_reservations(real_mode_data); } diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index e5c27f729a38..1d40ca8a73f2 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -516,38 +516,9 @@ ENTRY(phys_base) /* This must match the first entry in level2_kernel_pgt */ .quad 0x0000000000000000 -#ifdef CONFIG_KASAN -#define FILL(VAL, COUNT) \ - .rept (COUNT) ; \ - .quad (VAL) ; \ - .endr - -NEXT_PAGE(kasan_zero_pte) - FILL(kasan_zero_page - __START_KERNEL_map + _KERNPG_TABLE, 512) -NEXT_PAGE(kasan_zero_pmd) - FILL(kasan_zero_pte - __START_KERNEL_map + _KERNPG_TABLE, 512) -NEXT_PAGE(kasan_zero_pud) - FILL(kasan_zero_pmd - __START_KERNEL_map + _KERNPG_TABLE, 512) - -#undef FILL -#endif - - #include "../../x86/xen/xen-head.S" __PAGE_ALIGNED_BSS NEXT_PAGE(empty_zero_page) .skip PAGE_SIZE -#ifdef CONFIG_KASAN -/* - * This page used as early shadow. We don't use empty_zero_page - * at early stages, stack instrumentation could write some garbage - * to this page. - * Latter we reuse it as zero shadow for large ranges of memory - * that allowed to access, but not instrumented by kasan - * (vmalloc/vmemmap ...). - */ -NEXT_PAGE(kasan_zero_page) - .skip PAGE_SIZE -#endif diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 7ed9cba27637..bc28496fd196 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -347,15 +347,23 @@ int check_irq_vectors_for_cpu_disable(void) if (!desc) continue; + /* + * Protect against concurrent action removal, + * affinity changes etc. + */ + raw_spin_lock(&desc->lock); data = irq_desc_get_irq_data(desc); cpumask_copy(&affinity_new, irq_data_get_affinity_mask(data)); cpumask_clear_cpu(this_cpu, &affinity_new); /* Do not count inactive or per-cpu irqs. */ - if (!irq_has_action(irq) || irqd_is_per_cpu(data)) + if (!irq_has_action(irq) || irqd_is_per_cpu(data)) { + raw_spin_unlock(&desc->lock); continue; + } + raw_spin_unlock(&desc->lock); /* * A single irq may be mapped to multiple * cpu's vector_irq[] (for example IOAPIC cluster @@ -386,6 +394,9 @@ int check_irq_vectors_for_cpu_disable(void) * vector. If the vector is marked in the used vectors * bitmap or an irq is assigned to it, we don't count * it as available. + * + * As this is an inaccurate snapshot anyway, we can do + * this w/o holding vector_lock. */ for (vector = FIRST_EXTERNAL_VECTOR; vector < first_system_vector; vector++) { @@ -487,6 +498,11 @@ void fixup_irqs(void) */ mdelay(1); + /* + * We can walk the vector array of this cpu without holding + * vector_lock because the cpu is already marked !online, so + * nothing else will touch it. + */ for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) { unsigned int irr; @@ -498,9 +514,9 @@ void fixup_irqs(void) irq = __this_cpu_read(vector_irq[vector]); desc = irq_to_desc(irq); + raw_spin_lock(&desc->lock); data = irq_desc_get_irq_data(desc); chip = irq_data_get_irq_chip(data); - raw_spin_lock(&desc->lock); if (chip->irq_retrigger) { chip->irq_retrigger(data); __this_cpu_write(vector_irq[vector], VECTOR_RETRIGGERED); diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c index c3e985d1751c..d05bd2e2ee91 100644 --- a/arch/x86/kernel/nmi.c +++ b/arch/x86/kernel/nmi.c @@ -408,15 +408,15 @@ static void default_do_nmi(struct pt_regs *regs) NOKPROBE_SYMBOL(default_do_nmi); /* - * NMIs can hit breakpoints which will cause it to lose its - * NMI context with the CPU when the breakpoint does an iret. - */ -#ifdef CONFIG_X86_32 -/* - * For i386, NMIs use the same stack as the kernel, and we can - * add a workaround to the iret problem in C (preventing nested - * NMIs if an NMI takes a trap). Simply have 3 states the NMI - * can be in: + * NMIs can page fault or hit breakpoints which will cause it to lose + * its NMI context with the CPU when the breakpoint or page fault does an IRET. + * + * As a result, NMIs can nest if NMIs get unmasked due an IRET during + * NMI processing. On x86_64, the asm glue protects us from nested NMIs + * if the outer NMI came from kernel mode, but we can still nest if the + * outer NMI came from user mode. + * + * To handle these nested NMIs, we have three states: * * 1) not running * 2) executing @@ -430,15 +430,14 @@ NOKPROBE_SYMBOL(default_do_nmi); * (Note, the latch is binary, thus multiple NMIs triggering, * when one is running, are ignored. Only one NMI is restarted.) * - * If an NMI hits a breakpoint that executes an iret, another - * NMI can preempt it. We do not want to allow this new NMI - * to run, but we want to execute it when the first one finishes. - * We set the state to "latched", and the exit of the first NMI will - * perform a dec_return, if the result is zero (NOT_RUNNING), then - * it will simply exit the NMI handler. If not, the dec_return - * would have set the state to NMI_EXECUTING (what we want it to - * be when we are running). In this case, we simply jump back - * to rerun the NMI handler again, and restart the 'latched' NMI. + * If an NMI executes an iret, another NMI can preempt it. We do not + * want to allow this new NMI to run, but we want to execute it when the + * first one finishes. We set the state to "latched", and the exit of + * the first NMI will perform a dec_return, if the result is zero + * (NOT_RUNNING), then it will simply exit the NMI handler. If not, the + * dec_return would have set the state to NMI_EXECUTING (what we want it + * to be when we are running). In this case, we simply jump back to + * rerun the NMI handler again, and restart the 'latched' NMI. * * No trap (breakpoint or page fault) should be hit before nmi_restart, * thus there is no race between the first check of state for NOT_RUNNING @@ -461,49 +460,36 @@ enum nmi_states { static DEFINE_PER_CPU(enum nmi_states, nmi_state); static DEFINE_PER_CPU(unsigned long, nmi_cr2); -#define nmi_nesting_preprocess(regs) \ - do { \ - if (this_cpu_read(nmi_state) != NMI_NOT_RUNNING) { \ - this_cpu_write(nmi_state, NMI_LATCHED); \ - return; \ - } \ - this_cpu_write(nmi_state, NMI_EXECUTING); \ - this_cpu_write(nmi_cr2, read_cr2()); \ - } while (0); \ - nmi_restart: - -#define nmi_nesting_postprocess() \ - do { \ - if (unlikely(this_cpu_read(nmi_cr2) != read_cr2())) \ - write_cr2(this_cpu_read(nmi_cr2)); \ - if (this_cpu_dec_return(nmi_state)) \ - goto nmi_restart; \ - } while (0) -#else /* x86_64 */ +#ifdef CONFIG_X86_64 /* - * In x86_64 things are a bit more difficult. This has the same problem - * where an NMI hitting a breakpoint that calls iret will remove the - * NMI context, allowing a nested NMI to enter. What makes this more - * difficult is that both NMIs and breakpoints have their own stack. - * When a new NMI or breakpoint is executed, the stack is set to a fixed - * point. If an NMI is nested, it will have its stack set at that same - * fixed address that the first NMI had, and will start corrupting the - * stack. This is handled in entry_64.S, but the same problem exists with - * the breakpoint stack. + * In x86_64, we need to handle breakpoint -> NMI -> breakpoint. Without + * some care, the inner breakpoint will clobber the outer breakpoint's + * stack. * - * If a breakpoint is being processed, and the debug stack is being used, - * if an NMI comes in and also hits a breakpoint, the stack pointer - * will be set to the same fixed address as the breakpoint that was - * interrupted, causing that stack to be corrupted. To handle this case, - * check if the stack that was interrupted is the debug stack, and if - * so, change the IDT so that new breakpoints will use the current stack - * and not switch to the fixed address. On return of the NMI, switch back - * to the original IDT. + * If a breakpoint is being processed, and the debug stack is being + * used, if an NMI comes in and also hits a breakpoint, the stack + * pointer will be set to the same fixed address as the breakpoint that + * was interrupted, causing that stack to be corrupted. To handle this + * case, check if the stack that was interrupted is the debug stack, and + * if so, change the IDT so that new breakpoints will use the current + * stack and not switch to the fixed address. On return of the NMI, + * switch back to the original IDT. */ static DEFINE_PER_CPU(int, update_debug_stack); +#endif -static inline void nmi_nesting_preprocess(struct pt_regs *regs) +dotraplinkage notrace void +do_nmi(struct pt_regs *regs, long error_code) { + if (this_cpu_read(nmi_state) != NMI_NOT_RUNNING) { + this_cpu_write(nmi_state, NMI_LATCHED); + return; + } + this_cpu_write(nmi_state, NMI_EXECUTING); + this_cpu_write(nmi_cr2, read_cr2()); +nmi_restart: + +#ifdef CONFIG_X86_64 /* * If we interrupted a breakpoint, it is possible that * the nmi handler will have breakpoints too. We need to @@ -514,22 +500,8 @@ static inline void nmi_nesting_preprocess(struct pt_regs *regs) debug_stack_set_zero(); this_cpu_write(update_debug_stack, 1); } -} - -static inline void nmi_nesting_postprocess(void) -{ - if (unlikely(this_cpu_read(update_debug_stack))) { - debug_stack_reset(); - this_cpu_write(update_debug_stack, 0); - } -} #endif -dotraplinkage notrace void -do_nmi(struct pt_regs *regs, long error_code) -{ - nmi_nesting_preprocess(regs); - nmi_enter(); inc_irq_stat(__nmi_count); @@ -539,8 +511,17 @@ do_nmi(struct pt_regs *regs, long error_code) nmi_exit(); - /* On i386, may loop back to preprocess */ - nmi_nesting_postprocess(); +#ifdef CONFIG_X86_64 + if (unlikely(this_cpu_read(update_debug_stack))) { + debug_stack_reset(); + this_cpu_write(update_debug_stack, 0); + } +#endif + + if (unlikely(this_cpu_read(nmi_cr2) != read_cr2())) + write_cr2(this_cpu_read(nmi_cr2)); + if (this_cpu_dec_return(nmi_state)) + goto nmi_restart; } NOKPROBE_SYMBOL(do_nmi); diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 9cad694ed7c4..397688beed4b 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -81,7 +81,7 @@ EXPORT_SYMBOL_GPL(idle_notifier_unregister); */ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) { - *dst = *src; + memcpy(dst, src, arch_task_struct_size); return fpu__copy(&dst->thread.fpu, &src->thread.fpu); } diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 8add66b22f33..b1f3ed9c7a9e 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -171,11 +171,6 @@ static void smp_callin(void) apic_ap_setup(); /* - * Need to setup vector mappings before we enable interrupts. - */ - setup_vector_irq(smp_processor_id()); - - /* * Save our processor parameters. Note: this information * is needed for clock calibration. */ @@ -239,18 +234,13 @@ static void notrace start_secondary(void *unused) check_tsc_sync_target(); /* - * Enable the espfix hack for this CPU - */ -#ifdef CONFIG_X86_ESPFIX64 - init_espfix_ap(); -#endif - - /* - * We need to hold vector_lock so there the set of online cpus - * does not change while we are assigning vectors to cpus. Holding - * this lock ensures we don't half assign or remove an irq from a cpu. + * Lock vector_lock and initialize the vectors on this cpu + * before setting the cpu online. We must set it online with + * vector_lock held to prevent a concurrent setup/teardown + * from seeing a half valid vector space. */ lock_vector_lock(); + setup_vector_irq(smp_processor_id()); set_cpu_online(smp_processor_id(), true); unlock_vector_lock(); cpu_set_state_online(smp_processor_id()); @@ -854,6 +844,13 @@ static int do_boot_cpu(int apicid, int cpu, struct task_struct *idle) initial_code = (unsigned long)start_secondary; stack_start = idle->thread.sp; + /* + * Enable the espfix hack for this CPU + */ +#ifdef CONFIG_X86_ESPFIX64 + init_espfix_ap(cpu); +#endif + /* So we see what's up */ announce_cpu(cpu, apicid); @@ -995,8 +992,17 @@ int native_cpu_up(unsigned int cpu, struct task_struct *tidle) common_cpu_up(cpu, tidle); + /* + * We have to walk the irq descriptors to setup the vector + * space for the cpu which comes online. Prevent irq + * alloc/free across the bringup. + */ + irq_lock_sparse(); + err = do_boot_cpu(apicid, cpu, tidle); + if (err) { + irq_unlock_sparse(); pr_err("do_boot_cpu failed(%d) to wakeup CPU#%u\n", err, cpu); return -EIO; } @@ -1014,6 +1020,8 @@ int native_cpu_up(unsigned int cpu, struct task_struct *tidle) touch_nmi_watchdog(); } + irq_unlock_sparse(); + return 0; } diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 505449700e0c..7437b41f6a47 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -598,10 +598,19 @@ static unsigned long quick_pit_calibrate(void) if (!pit_expect_msb(0xff-i, &delta, &d2)) break; + delta -= tsc; + + /* + * Extrapolate the error and fail fast if the error will + * never be below 500 ppm. + */ + if (i == 1 && + d1 + d2 >= (delta * MAX_QUICK_PIT_ITERATIONS) >> 11) + return 0; + /* * Iterate until the error is less than 500 ppm */ - delta -= tsc; if (d1+d2 >= delta >> 11) continue; diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 64dd46793099..2fbea2544f24 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -98,6 +98,8 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu) best->ebx = xstate_required_size(vcpu->arch.xcr0, true); vcpu->arch.eager_fpu = use_eager_fpu() || guest_cpuid_has_mpx(vcpu); + if (vcpu->arch.eager_fpu) + kvm_x86_ops->fpu_activate(vcpu); /* * The existing code assumes virtual address is 48-bit in the canonical diff --git a/arch/x86/kvm/iommu.c b/arch/x86/kvm/iommu.c index 7dbced309ddb..5c520ebf6343 100644 --- a/arch/x86/kvm/iommu.c +++ b/arch/x86/kvm/iommu.c @@ -200,6 +200,7 @@ int kvm_assign_device(struct kvm *kvm, struct pci_dev *pdev) goto out_unmap; } + kvm_arch_start_assignment(kvm); pci_set_dev_assigned(pdev); dev_info(&pdev->dev, "kvm assign device\n"); @@ -224,6 +225,7 @@ int kvm_deassign_device(struct kvm *kvm, struct pci_dev *pdev) iommu_detach_device(domain, &pdev->dev); pci_clear_dev_assigned(pdev); + kvm_arch_end_assignment(kvm); dev_info(&pdev->dev, "kvm deassign device\n"); diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 954e98a8c2e3..2a5ca97c263b 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1595,7 +1595,7 @@ void kvm_lapic_reset(struct kvm_vcpu *vcpu, bool init_event) for (i = 0; i < APIC_LVT_NUM; i++) apic_set_reg(apic, APIC_LVTT + 0x10 * i, APIC_LVT_MASKED); apic_update_lvtt(apic); - if (!(vcpu->kvm->arch.disabled_quirks & KVM_QUIRK_LINT0_REENABLED)) + if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_LINT0_REENABLED)) apic_set_reg(apic, APIC_LVT0, SET_APIC_DELIVERY_MODE(0, APIC_MODE_EXTINT)); apic_manage_nmi_watchdog(apic, kvm_apic_get_reg(apic, APIC_LVT0)); diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index f807496b62c2..44171462bd2a 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2479,6 +2479,14 @@ static int mmu_need_write_protect(struct kvm_vcpu *vcpu, gfn_t gfn, return 0; } +static bool kvm_is_mmio_pfn(pfn_t pfn) +{ + if (pfn_valid(pfn)) + return !is_zero_pfn(pfn) && PageReserved(pfn_to_page(pfn)); + + return true; +} + static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep, unsigned pte_access, int level, gfn_t gfn, pfn_t pfn, bool speculative, @@ -2506,7 +2514,7 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep, spte |= PT_PAGE_SIZE_MASK; if (tdp_enabled) spte |= kvm_x86_ops->get_mt_mask(vcpu, gfn, - kvm_is_reserved_pfn(pfn)); + kvm_is_mmio_pfn(pfn)); if (host_writable) spte |= SPTE_HOST_WRITEABLE; diff --git a/arch/x86/kvm/mtrr.c b/arch/x86/kvm/mtrr.c index de1d2d8062e2..dc0a84a6f309 100644 --- a/arch/x86/kvm/mtrr.c +++ b/arch/x86/kvm/mtrr.c @@ -120,6 +120,16 @@ static u8 mtrr_default_type(struct kvm_mtrr *mtrr_state) return mtrr_state->deftype & IA32_MTRR_DEF_TYPE_TYPE_MASK; } +static u8 mtrr_disabled_type(void) +{ + /* + * Intel SDM 11.11.2.2: all MTRRs are disabled when + * IA32_MTRR_DEF_TYPE.E bit is cleared, and the UC + * memory type is applied to all of physical memory. + */ + return MTRR_TYPE_UNCACHABLE; +} + /* * Three terms are used in the following code: * - segment, it indicates the address segments covered by fixed MTRRs. @@ -434,6 +444,8 @@ struct mtrr_iter { /* output fields. */ int mem_type; + /* mtrr is completely disabled? */ + bool mtrr_disabled; /* [start, end) is not fully covered in MTRRs? */ bool partial_map; @@ -549,7 +561,7 @@ static void mtrr_lookup_var_next(struct mtrr_iter *iter) static void mtrr_lookup_start(struct mtrr_iter *iter) { if (!mtrr_is_enabled(iter->mtrr_state)) { - iter->partial_map = true; + iter->mtrr_disabled = true; return; } @@ -563,6 +575,7 @@ static void mtrr_lookup_init(struct mtrr_iter *iter, iter->mtrr_state = mtrr_state; iter->start = start; iter->end = end; + iter->mtrr_disabled = false; iter->partial_map = false; iter->fixed = false; iter->range = NULL; @@ -656,15 +669,19 @@ u8 kvm_mtrr_get_guest_memory_type(struct kvm_vcpu *vcpu, gfn_t gfn) return MTRR_TYPE_WRBACK; } - /* It is not covered by MTRRs. */ - if (iter.partial_map) { - /* - * We just check one page, partially covered by MTRRs is - * impossible. - */ - WARN_ON(type != -1); - type = mtrr_default_type(mtrr_state); - } + if (iter.mtrr_disabled) + return mtrr_disabled_type(); + + /* + * We just check one page, partially covered by MTRRs is + * impossible. + */ + WARN_ON(iter.partial_map); + + /* not contained in any MTRRs. */ + if (type == -1) + return mtrr_default_type(mtrr_state); + return type; } EXPORT_SYMBOL_GPL(kvm_mtrr_get_guest_memory_type); @@ -689,6 +706,9 @@ bool kvm_mtrr_check_gfn_range_consistency(struct kvm_vcpu *vcpu, gfn_t gfn, return false; } + if (iter.mtrr_disabled) + return true; + if (!iter.partial_map) return true; diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 602b974a60a6..8e0c0844c6b9 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -865,6 +865,64 @@ static void svm_disable_lbrv(struct vcpu_svm *svm) set_msr_interception(msrpm, MSR_IA32_LASTINTTOIP, 0, 0); } +#define MTRR_TYPE_UC_MINUS 7 +#define MTRR2PROTVAL_INVALID 0xff + +static u8 mtrr2protval[8]; + +static u8 fallback_mtrr_type(int mtrr) +{ + /* + * WT and WP aren't always available in the host PAT. Treat + * them as UC and UC- respectively. Everything else should be + * there. + */ + switch (mtrr) + { + case MTRR_TYPE_WRTHROUGH: + return MTRR_TYPE_UNCACHABLE; + case MTRR_TYPE_WRPROT: + return MTRR_TYPE_UC_MINUS; + default: + BUG(); + } +} + +static void build_mtrr2protval(void) +{ + int i; + u64 pat; + + for (i = 0; i < 8; i++) + mtrr2protval[i] = MTRR2PROTVAL_INVALID; + + /* Ignore the invalid MTRR types. */ + mtrr2protval[2] = 0; + mtrr2protval[3] = 0; + + /* + * Use host PAT value to figure out the mapping from guest MTRR + * values to nested page table PAT/PCD/PWT values. We do not + * want to change the host PAT value every time we enter the + * guest. + */ + rdmsrl(MSR_IA32_CR_PAT, pat); + for (i = 0; i < 8; i++) { + u8 mtrr = pat >> (8 * i); + + if (mtrr2protval[mtrr] == MTRR2PROTVAL_INVALID) + mtrr2protval[mtrr] = __cm_idx2pte(i); + } + + for (i = 0; i < 8; i++) { + if (mtrr2protval[i] == MTRR2PROTVAL_INVALID) { + u8 fallback = fallback_mtrr_type(i); + mtrr2protval[i] = mtrr2protval[fallback]; + BUG_ON(mtrr2protval[i] == MTRR2PROTVAL_INVALID); + } + } +} + static __init int svm_hardware_setup(void) { int cpu; @@ -931,6 +989,7 @@ static __init int svm_hardware_setup(void) } else kvm_disable_tdp(); + build_mtrr2protval(); return 0; err: @@ -1085,6 +1144,39 @@ static u64 svm_compute_tsc_offset(struct kvm_vcpu *vcpu, u64 target_tsc) return target_tsc - tsc; } +static void svm_set_guest_pat(struct vcpu_svm *svm, u64 *g_pat) +{ + struct kvm_vcpu *vcpu = &svm->vcpu; + + /* Unlike Intel, AMD takes the guest's CR0.CD into account. + * + * AMD does not have IPAT. To emulate it for the case of guests + * with no assigned devices, just set everything to WB. If guests + * have assigned devices, however, we cannot force WB for RAM + * pages only, so use the guest PAT directly. + */ + if (!kvm_arch_has_assigned_device(vcpu->kvm)) + *g_pat = 0x0606060606060606; + else + *g_pat = vcpu->arch.pat; +} + +static u64 svm_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) +{ + u8 mtrr; + + /* + * 1. MMIO: trust guest MTRR, so same as item 3. + * 2. No passthrough: always map as WB, and force guest PAT to WB as well + * 3. Passthrough: can't guarantee the result, try to trust guest. + */ + if (!is_mmio && !kvm_arch_has_assigned_device(vcpu->kvm)) + return 0; + + mtrr = kvm_mtrr_get_guest_memory_type(vcpu, gfn); + return mtrr2protval[mtrr]; +} + static void init_vmcb(struct vcpu_svm *svm, bool init_event) { struct vmcb_control_area *control = &svm->vmcb->control; @@ -1180,6 +1272,7 @@ static void init_vmcb(struct vcpu_svm *svm, bool init_event) clr_cr_intercept(svm, INTERCEPT_CR3_READ); clr_cr_intercept(svm, INTERCEPT_CR3_WRITE); save->g_pat = svm->vcpu.arch.pat; + svm_set_guest_pat(svm, &save->g_pat); save->cr3 = 0; save->cr4 = 0; } @@ -1579,7 +1672,7 @@ static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) * does not do it - this results in some delay at * reboot */ - if (!(vcpu->kvm->arch.disabled_quirks & KVM_QUIRK_CD_NW_CLEARED)) + if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED)) cr0 &= ~(X86_CR0_CD | X86_CR0_NW); svm->vmcb->save.cr0 = cr0; mark_dirty(svm->vmcb, VMCB_CR); @@ -3254,6 +3347,16 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) case MSR_VM_IGNNE: vcpu_unimpl(vcpu, "unimplemented wrmsr: 0x%x data 0x%llx\n", ecx, data); break; + case MSR_IA32_CR_PAT: + if (npt_enabled) { + if (!kvm_mtrr_valid(vcpu, MSR_IA32_CR_PAT, data)) + return 1; + vcpu->arch.pat = data; + svm_set_guest_pat(svm, &svm->vmcb->save.g_pat); + mark_dirty(svm->vmcb, VMCB_NPT); + break; + } + /* fall through */ default: return kvm_set_msr_common(vcpu, msr); } @@ -4088,11 +4191,6 @@ static bool svm_has_high_real_mode_segbase(void) return true; } -static u64 svm_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) -{ - return 0; -} - static void svm_cpuid_update(struct kvm_vcpu *vcpu) { } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index e856dd566f4c..83b7b5cd75d5 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -8632,22 +8632,17 @@ static u64 vmx_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) u64 ipat = 0; /* For VT-d and EPT combination - * 1. MMIO: always map as UC + * 1. MMIO: guest may want to apply WC, trust it. * 2. EPT with VT-d: * a. VT-d without snooping control feature: can't guarantee the - * result, try to trust guest. + * result, try to trust guest. So the same as item 1. * b. VT-d with snooping control feature: snooping control feature of * VT-d engine can guarantee the cache correctness. Just set it * to WB to keep consistent with host. So the same as item 3. * 3. EPT without VT-d: always map as WB and set IPAT=1 to keep * consistent with host MTRR */ - if (is_mmio) { - cache = MTRR_TYPE_UNCACHABLE; - goto exit; - } - - if (!kvm_arch_has_noncoherent_dma(vcpu->kvm)) { + if (!is_mmio && !kvm_arch_has_noncoherent_dma(vcpu->kvm)) { ipat = VMX_EPT_IPAT_BIT; cache = MTRR_TYPE_WRBACK; goto exit; @@ -8655,7 +8650,10 @@ static u64 vmx_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) if (kvm_read_cr0(vcpu) & X86_CR0_CD) { ipat = VMX_EPT_IPAT_BIT; - cache = MTRR_TYPE_UNCACHABLE; + if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED)) + cache = MTRR_TYPE_WRBACK; + else + cache = MTRR_TYPE_UNCACHABLE; goto exit; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index bbaf44e8f0d3..5ef2560075bf 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3157,8 +3157,7 @@ static void load_xsave(struct kvm_vcpu *vcpu, u8 *src) cpuid_count(XSTATE_CPUID, index, &size, &offset, &ecx, &edx); memcpy(dest, src + offset, size); - } else - WARN_ON_ONCE(1); + } valid -= feature; } @@ -7315,11 +7314,6 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, vcpu = kvm_x86_ops->vcpu_create(kvm, id); - /* - * Activate fpu unconditionally in case the guest needs eager FPU. It will be - * deactivated soon if it doesn't. - */ - kvm_x86_ops->fpu_activate(vcpu); return vcpu; } @@ -8218,6 +8212,24 @@ bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu) kvm_x86_ops->interrupt_allowed(vcpu); } +void kvm_arch_start_assignment(struct kvm *kvm) +{ + atomic_inc(&kvm->arch.assigned_device_count); +} +EXPORT_SYMBOL_GPL(kvm_arch_start_assignment); + +void kvm_arch_end_assignment(struct kvm *kvm) +{ + atomic_dec(&kvm->arch.assigned_device_count); +} +EXPORT_SYMBOL_GPL(kvm_arch_end_assignment); + +bool kvm_arch_has_assigned_device(struct kvm *kvm) +{ + return atomic_read(&kvm->arch.assigned_device_count); +} +EXPORT_SYMBOL_GPL(kvm_arch_has_assigned_device); + void kvm_arch_register_noncoherent_dma(struct kvm *kvm) { atomic_inc(&kvm->arch.noncoherent_dma_count); diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index edc8cdcd786b..0ca2f3e4803c 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -147,6 +147,11 @@ static inline void kvm_register_writel(struct kvm_vcpu *vcpu, return kvm_register_write(vcpu, reg, val); } +static inline bool kvm_check_has_quirk(struct kvm *kvm, u64 quirk) +{ + return !(kvm->arch.disabled_quirks & quirk); +} + void kvm_before_handle_nmi(struct kvm_vcpu *vcpu); void kvm_after_handle_nmi(struct kvm_vcpu *vcpu); void kvm_set_pending_timer(struct kvm_vcpu *vcpu); diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index cc5ccc415cc0..b9c78f3bcd67 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -63,8 +63,6 @@ static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages, !PageReserved(pfn_to_page(start_pfn + i))) return 1; - WARN_ONCE(1, "ioremap on RAM pfn 0x%lx\n", start_pfn); - return 0; } @@ -94,7 +92,6 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, pgprot_t prot; int retval; void __iomem *ret_addr; - int ram_region; /* Don't allow wraparound or zero size */ last_addr = phys_addr + size - 1; @@ -117,23 +114,15 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, /* * Don't allow anybody to remap normal RAM that we're using.. */ - /* First check if whole region can be identified as RAM or not */ - ram_region = region_is_ram(phys_addr, size); - if (ram_region > 0) { - WARN_ONCE(1, "ioremap on RAM at 0x%lx - 0x%lx\n", - (unsigned long int)phys_addr, - (unsigned long int)last_addr); + pfn = phys_addr >> PAGE_SHIFT; + last_pfn = last_addr >> PAGE_SHIFT; + if (walk_system_ram_range(pfn, last_pfn - pfn + 1, NULL, + __ioremap_check_ram) == 1) { + WARN_ONCE(1, "ioremap on RAM at %pa - %pa\n", + &phys_addr, &last_addr); return NULL; } - /* If could not be identified(-1), check page by page */ - if (ram_region < 0) { - pfn = phys_addr >> PAGE_SHIFT; - last_pfn = last_addr >> PAGE_SHIFT; - if (walk_system_ram_range(pfn, last_pfn - pfn + 1, NULL, - __ioremap_check_ram) == 1) - return NULL; - } /* * Mappings have to be page-aligned */ diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c index 4860906c6b9f..e1840f3db5b5 100644 --- a/arch/x86/mm/kasan_init_64.c +++ b/arch/x86/mm/kasan_init_64.c @@ -1,3 +1,4 @@ +#define pr_fmt(fmt) "kasan: " fmt #include <linux/bootmem.h> #include <linux/kasan.h> #include <linux/kdebug.h> @@ -11,7 +12,19 @@ extern pgd_t early_level4_pgt[PTRS_PER_PGD]; extern struct range pfn_mapped[E820_X_MAX]; -extern unsigned char kasan_zero_page[PAGE_SIZE]; +static pud_t kasan_zero_pud[PTRS_PER_PUD] __page_aligned_bss; +static pmd_t kasan_zero_pmd[PTRS_PER_PMD] __page_aligned_bss; +static pte_t kasan_zero_pte[PTRS_PER_PTE] __page_aligned_bss; + +/* + * This page used as early shadow. We don't use empty_zero_page + * at early stages, stack instrumentation could write some garbage + * to this page. + * Latter we reuse it as zero shadow for large ranges of memory + * that allowed to access, but not instrumented by kasan + * (vmalloc/vmemmap ...). + */ +static unsigned char kasan_zero_page[PAGE_SIZE] __page_aligned_bss; static int __init map_range(struct range *range) { @@ -36,7 +49,7 @@ static void __init clear_pgds(unsigned long start, pgd_clear(pgd_offset_k(start)); } -void __init kasan_map_early_shadow(pgd_t *pgd) +static void __init kasan_map_early_shadow(pgd_t *pgd) { int i; unsigned long start = KASAN_SHADOW_START; @@ -73,7 +86,7 @@ static int __init zero_pmd_populate(pud_t *pud, unsigned long addr, while (IS_ALIGNED(addr, PMD_SIZE) && addr + PMD_SIZE <= end) { WARN_ON(!pmd_none(*pmd)); set_pmd(pmd, __pmd(__pa_nodebug(kasan_zero_pte) - | __PAGE_KERNEL_RO)); + | _KERNPG_TABLE)); addr += PMD_SIZE; pmd = pmd_offset(pud, addr); } @@ -99,7 +112,7 @@ static int __init zero_pud_populate(pgd_t *pgd, unsigned long addr, while (IS_ALIGNED(addr, PUD_SIZE) && addr + PUD_SIZE <= end) { WARN_ON(!pud_none(*pud)); set_pud(pud, __pud(__pa_nodebug(kasan_zero_pmd) - | __PAGE_KERNEL_RO)); + | _KERNPG_TABLE)); addr += PUD_SIZE; pud = pud_offset(pgd, addr); } @@ -124,7 +137,7 @@ static int __init zero_pgd_populate(unsigned long addr, unsigned long end) while (IS_ALIGNED(addr, PGDIR_SIZE) && addr + PGDIR_SIZE <= end) { WARN_ON(!pgd_none(*pgd)); set_pgd(pgd, __pgd(__pa_nodebug(kasan_zero_pud) - | __PAGE_KERNEL_RO)); + | _KERNPG_TABLE)); addr += PGDIR_SIZE; pgd = pgd_offset_k(addr); } @@ -166,6 +179,26 @@ static struct notifier_block kasan_die_notifier = { }; #endif +void __init kasan_early_init(void) +{ + int i; + pteval_t pte_val = __pa_nodebug(kasan_zero_page) | __PAGE_KERNEL; + pmdval_t pmd_val = __pa_nodebug(kasan_zero_pte) | _KERNPG_TABLE; + pudval_t pud_val = __pa_nodebug(kasan_zero_pmd) | _KERNPG_TABLE; + + for (i = 0; i < PTRS_PER_PTE; i++) + kasan_zero_pte[i] = __pte(pte_val); + + for (i = 0; i < PTRS_PER_PMD; i++) + kasan_zero_pmd[i] = __pmd(pmd_val); + + for (i = 0; i < PTRS_PER_PUD; i++) + kasan_zero_pud[i] = __pud(pud_val); + + kasan_map_early_shadow(early_level4_pgt); + kasan_map_early_shadow(init_level4_pgt); +} + void __init kasan_init(void) { int i; @@ -176,6 +209,7 @@ void __init kasan_init(void) memcpy(early_level4_pgt, init_level4_pgt, sizeof(early_level4_pgt)); load_cr3(early_level4_pgt); + __flush_tlb_all(); clear_pgds(KASAN_SHADOW_START, KASAN_SHADOW_END); @@ -202,5 +236,8 @@ void __init kasan_init(void) memset(kasan_zero_page, 0, PAGE_SIZE); load_cr3(init_level4_pgt); + __flush_tlb_all(); init_task.kasan_depth = 0; + + pr_info("Kernel address sanitizer initialized\n"); } diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c index 9d518d693b4b..844b06d67df4 100644 --- a/arch/x86/mm/mmap.c +++ b/arch/x86/mm/mmap.c @@ -126,3 +126,10 @@ void arch_pick_mmap_layout(struct mm_struct *mm) mm->get_unmapped_area = arch_get_unmapped_area_topdown; } } + +const char *arch_vma_name(struct vm_area_struct *vma) +{ + if (vma->vm_flags & VM_MPX) + return "[mpx]"; + return NULL; +} diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c index 7a657f58bbea..db1b0bc5017c 100644 --- a/arch/x86/mm/mpx.c +++ b/arch/x86/mm/mpx.c @@ -20,20 +20,6 @@ #define CREATE_TRACE_POINTS #include <asm/trace/mpx.h> -static const char *mpx_mapping_name(struct vm_area_struct *vma) -{ - return "[mpx]"; -} - -static struct vm_operations_struct mpx_vma_ops = { - .name = mpx_mapping_name, -}; - -static int is_mpx_vma(struct vm_area_struct *vma) -{ - return (vma->vm_ops == &mpx_vma_ops); -} - static inline unsigned long mpx_bd_size_bytes(struct mm_struct *mm) { if (is_64bit_mm(mm)) @@ -53,9 +39,6 @@ static inline unsigned long mpx_bt_size_bytes(struct mm_struct *mm) /* * This is really a simplified "vm_mmap". it only handles MPX * bounds tables (the bounds directory is user-allocated). - * - * Later on, we use the vma->vm_ops to uniquely identify these - * VMAs. */ static unsigned long mpx_mmap(unsigned long len) { @@ -101,7 +84,6 @@ static unsigned long mpx_mmap(unsigned long len) ret = -ENOMEM; goto out; } - vma->vm_ops = &mpx_vma_ops; if (vm_flags & VM_LOCKED) { up_write(&mm->mmap_sem); @@ -812,7 +794,7 @@ static noinline int zap_bt_entries_mapping(struct mm_struct *mm, * so stop immediately and return an error. This * probably results in a SIGSEGV. */ - if (!is_mpx_vma(vma)) + if (!(vma->vm_flags & VM_MPX)) return -EINVAL; len = min(vma->vm_end, end) - addr; @@ -945,9 +927,9 @@ static int try_unmap_single_bt(struct mm_struct *mm, * lots of tables even though we have no actual table * entries in use. */ - while (next && is_mpx_vma(next)) + while (next && (next->vm_flags & VM_MPX)) next = next->vm_next; - while (prev && is_mpx_vma(prev)) + while (prev && (prev->vm_flags & VM_MPX)) prev = prev->vm_prev; /* * We know 'start' and 'end' lie within an area controlled diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 3250f2371aea..90b924acd982 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -117,7 +117,7 @@ static void flush_tlb_func(void *info) } else { unsigned long addr; unsigned long nr_pages = - f->flush_end - f->flush_start / PAGE_SIZE; + (f->flush_end - f->flush_start) / PAGE_SIZE; addr = f->flush_start; while (addr < f->flush_end) { __flush_tlb_single(addr); diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild index 14d15bf1a95b..5b478accd5fc 100644 --- a/arch/xtensa/include/asm/Kbuild +++ b/arch/xtensa/include/asm/Kbuild @@ -19,6 +19,7 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += percpu.h generic-y += preempt.h generic-y += resource.h diff --git a/arch/xtensa/include/asm/mm-arch-hooks.h b/arch/xtensa/include/asm/mm-arch-hooks.h deleted file mode 100644 index d2e5cfd3dd02..000000000000 --- a/arch/xtensa/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_XTENSA_MM_ARCH_HOOKS_H -#define _ASM_XTENSA_MM_ARCH_HOOKS_H - -#endif /* _ASM_XTENSA_MM_ARCH_HOOKS_H */ diff --git a/block/bio-integrity.c b/block/bio-integrity.c index 0436c21db7f2..719b7152aed1 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -51,7 +51,7 @@ struct bio_integrity_payload *bio_integrity_alloc(struct bio *bio, unsigned long idx = BIO_POOL_NONE; unsigned inline_vecs; - if (!bs) { + if (!bs || !bs->bio_integrity_pool) { bip = kmalloc(sizeof(struct bio_integrity_payload) + sizeof(struct bio_vec) * nr_vecs, gfp_mask); inline_vecs = nr_vecs; @@ -104,7 +104,7 @@ void bio_integrity_free(struct bio *bio) kfree(page_address(bip->bip_vec->bv_page) + bip->bip_vec->bv_offset); - if (bs) { + if (bs && bs->bio_integrity_pool) { if (bip->bip_slab != BIO_POOL_NONE) bvec_free(bs->bvec_integrity_pool, bip->bip_vec, bip->bip_slab); diff --git a/block/bio.c b/block/bio.c index 2a00d349cd68..d6e5ba3399f0 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1831,8 +1831,9 @@ EXPORT_SYMBOL(bio_endio); * Allocates and returns a new bio which represents @sectors from the start of * @bio, and updates @bio to represent the remaining sectors. * - * The newly allocated bio will point to @bio's bi_io_vec; it is the caller's - * responsibility to ensure that @bio is not freed before the split. + * Unless this is a discard request the newly allocated bio will point + * to @bio's bi_io_vec; it is the caller's responsibility to ensure that + * @bio is not freed before the split. */ struct bio *bio_split(struct bio *bio, int sectors, gfp_t gfp, struct bio_set *bs) @@ -1842,7 +1843,15 @@ struct bio *bio_split(struct bio *bio, int sectors, BUG_ON(sectors <= 0); BUG_ON(sectors >= bio_sectors(bio)); - split = bio_clone_fast(bio, gfp, bs); + /* + * Discards need a mutable bio_vec to accommodate the payload + * required by the DSM TRIM and UNMAP commands. + */ + if (bio->bi_rw & REQ_DISCARD) + split = bio_clone_bioset(bio, gfp, bs); + else + split = bio_clone_fast(bio, gfp, bs); + if (!split) return NULL; @@ -2009,6 +2018,7 @@ int bio_associate_blkcg(struct bio *bio, struct cgroup_subsys_state *blkcg_css) bio->bi_css = blkcg_css; return 0; } +EXPORT_SYMBOL_GPL(bio_associate_blkcg); /** * bio_associate_current - associate a bio with %current @@ -2039,6 +2049,7 @@ int bio_associate_current(struct bio *bio) bio->bi_css = task_get_css(current, blkio_cgrp_id); return 0; } +EXPORT_SYMBOL_GPL(bio_associate_current); /** * bio_disassociate_task - undo bio_associate_current() diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 9f97da52d006..d6283b3f5db5 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -29,6 +29,14 @@ #define MAX_KEY_LEN 100 +/* + * blkcg_pol_mutex protects blkcg_policy[] and policy [de]activation. + * blkcg_pol_register_mutex nests outside of it and synchronizes entire + * policy [un]register operations including cgroup file additions / + * removals. Putting cgroup file registration outside blkcg_pol_mutex + * allows grabbing it from cgroup callbacks. + */ +static DEFINE_MUTEX(blkcg_pol_register_mutex); static DEFINE_MUTEX(blkcg_pol_mutex); struct blkcg blkcg_root; @@ -38,6 +46,8 @@ struct cgroup_subsys_state * const blkcg_root_css = &blkcg_root.css; static struct blkcg_policy *blkcg_policy[BLKCG_MAX_POLS]; +static LIST_HEAD(all_blkcgs); /* protected by blkcg_pol_mutex */ + static bool blkcg_policy_enabled(struct request_queue *q, const struct blkcg_policy *pol) { @@ -453,20 +463,7 @@ static int blkcg_reset_stats(struct cgroup_subsys_state *css, struct blkcg_gq *blkg; int i; - /* - * XXX: We invoke cgroup_add/rm_cftypes() under blkcg_pol_mutex - * which ends up putting cgroup's internal cgroup_tree_mutex under - * it; however, cgroup_tree_mutex is nested above cgroup file - * active protection and grabbing blkcg_pol_mutex from a cgroup - * file operation creates a possible circular dependency. cgroup - * internal locking is planned to go through further simplification - * and this issue should go away soon. For now, let's trylock - * blkcg_pol_mutex and restart the write on failure. - * - * http://lkml.kernel.org/g/5363C04B.4010400@oracle.com - */ - if (!mutex_trylock(&blkcg_pol_mutex)) - return restart_syscall(); + mutex_lock(&blkcg_pol_mutex); spin_lock_irq(&blkcg->lock); /* @@ -721,8 +718,12 @@ int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol, return -EINVAL; disk = get_gendisk(MKDEV(major, minor), &part); - if (!disk || part) + if (!disk) + return -EINVAL; + if (part) { + put_disk(disk); return -EINVAL; + } rcu_read_lock(); spin_lock_irq(disk->queue->queue_lock); @@ -822,8 +823,17 @@ static void blkcg_css_free(struct cgroup_subsys_state *css) { struct blkcg *blkcg = css_to_blkcg(css); - if (blkcg != &blkcg_root) + mutex_lock(&blkcg_pol_mutex); + list_del(&blkcg->all_blkcgs_node); + mutex_unlock(&blkcg_pol_mutex); + + if (blkcg != &blkcg_root) { + int i; + + for (i = 0; i < BLKCG_MAX_POLS; i++) + kfree(blkcg->pd[i]); kfree(blkcg); + } } static struct cgroup_subsys_state * @@ -833,6 +843,8 @@ blkcg_css_alloc(struct cgroup_subsys_state *parent_css) struct cgroup_subsys_state *ret; int i; + mutex_lock(&blkcg_pol_mutex); + if (!parent_css) { blkcg = &blkcg_root; goto done; @@ -875,14 +887,17 @@ done: #ifdef CONFIG_CGROUP_WRITEBACK INIT_LIST_HEAD(&blkcg->cgwb_list); #endif + list_add_tail(&blkcg->all_blkcgs_node, &all_blkcgs); + + mutex_unlock(&blkcg_pol_mutex); return &blkcg->css; free_pd_blkcg: for (i--; i >= 0; i--) kfree(blkcg->pd[i]); - free_blkcg: kfree(blkcg); + mutex_unlock(&blkcg_pol_mutex); return ret; } @@ -1037,10 +1052,8 @@ int blkcg_activate_policy(struct request_queue *q, const struct blkcg_policy *pol) { LIST_HEAD(pds); - LIST_HEAD(cpds); struct blkcg_gq *blkg; struct blkg_policy_data *pd, *nd; - struct blkcg_policy_data *cpd, *cnd; int cnt = 0, ret; if (blkcg_policy_enabled(q, pol)) @@ -1053,10 +1066,7 @@ int blkcg_activate_policy(struct request_queue *q, cnt++; spin_unlock_irq(q->queue_lock); - /* - * Allocate per-blkg and per-blkcg policy data - * for all existing blkgs. - */ + /* allocate per-blkg policy data for all existing blkgs */ while (cnt--) { pd = kzalloc_node(pol->pd_size, GFP_KERNEL, q->node); if (!pd) { @@ -1064,15 +1074,6 @@ int blkcg_activate_policy(struct request_queue *q, goto out_free; } list_add_tail(&pd->alloc_node, &pds); - - if (!pol->cpd_size) - continue; - cpd = kzalloc_node(pol->cpd_size, GFP_KERNEL, q->node); - if (!cpd) { - ret = -ENOMEM; - goto out_free; - } - list_add_tail(&cpd->alloc_node, &cpds); } /* @@ -1082,32 +1083,17 @@ int blkcg_activate_policy(struct request_queue *q, spin_lock_irq(q->queue_lock); list_for_each_entry(blkg, &q->blkg_list, q_node) { - if (WARN_ON(list_empty(&pds)) || - WARN_ON(pol->cpd_size && list_empty(&cpds))) { + if (WARN_ON(list_empty(&pds))) { /* umm... this shouldn't happen, just abort */ ret = -ENOMEM; goto out_unlock; } - cpd = list_first_entry(&cpds, struct blkcg_policy_data, - alloc_node); - list_del_init(&cpd->alloc_node); pd = list_first_entry(&pds, struct blkg_policy_data, alloc_node); list_del_init(&pd->alloc_node); /* grab blkcg lock too while installing @pd on @blkg */ spin_lock(&blkg->blkcg->lock); - if (!pol->cpd_size) - goto no_cpd; - if (!blkg->blkcg->pd[pol->plid]) { - /* Per-policy per-blkcg data */ - blkg->blkcg->pd[pol->plid] = cpd; - cpd->plid = pol->plid; - pol->cpd_init_fn(blkg->blkcg); - } else { /* must free it as it has already been extracted */ - kfree(cpd); - } -no_cpd: blkg->pd[pol->plid] = pd; pd->blkg = blkg; pd->plid = pol->plid; @@ -1124,8 +1110,6 @@ out_free: blk_queue_bypass_end(q); list_for_each_entry_safe(pd, nd, &pds, alloc_node) kfree(pd); - list_for_each_entry_safe(cpd, cnd, &cpds, alloc_node) - kfree(cpd); return ret; } EXPORT_SYMBOL_GPL(blkcg_activate_policy); @@ -1162,8 +1146,6 @@ void blkcg_deactivate_policy(struct request_queue *q, kfree(blkg->pd[pol->plid]); blkg->pd[pol->plid] = NULL; - kfree(blkg->blkcg->pd[pol->plid]); - blkg->blkcg->pd[pol->plid] = NULL; spin_unlock(&blkg->blkcg->lock); } @@ -1182,11 +1164,13 @@ EXPORT_SYMBOL_GPL(blkcg_deactivate_policy); */ int blkcg_policy_register(struct blkcg_policy *pol) { + struct blkcg *blkcg; int i, ret; if (WARN_ON(pol->pd_size < sizeof(struct blkg_policy_data))) return -EINVAL; + mutex_lock(&blkcg_pol_register_mutex); mutex_lock(&blkcg_pol_mutex); /* find an empty slot */ @@ -1195,19 +1179,49 @@ int blkcg_policy_register(struct blkcg_policy *pol) if (!blkcg_policy[i]) break; if (i >= BLKCG_MAX_POLS) - goto out_unlock; + goto err_unlock; - /* register and update blkgs */ + /* register @pol */ pol->plid = i; - blkcg_policy[i] = pol; + blkcg_policy[pol->plid] = pol; + + /* allocate and install cpd's */ + if (pol->cpd_size) { + list_for_each_entry(blkcg, &all_blkcgs, all_blkcgs_node) { + struct blkcg_policy_data *cpd; + + cpd = kzalloc(pol->cpd_size, GFP_KERNEL); + if (!cpd) { + mutex_unlock(&blkcg_pol_mutex); + goto err_free_cpds; + } + + blkcg->pd[pol->plid] = cpd; + cpd->plid = pol->plid; + pol->cpd_init_fn(blkcg); + } + } + + mutex_unlock(&blkcg_pol_mutex); /* everything is in place, add intf files for the new policy */ if (pol->cftypes) WARN_ON(cgroup_add_legacy_cftypes(&blkio_cgrp_subsys, pol->cftypes)); - ret = 0; -out_unlock: + mutex_unlock(&blkcg_pol_register_mutex); + return 0; + +err_free_cpds: + if (pol->cpd_size) { + list_for_each_entry(blkcg, &all_blkcgs, all_blkcgs_node) { + kfree(blkcg->pd[pol->plid]); + blkcg->pd[pol->plid] = NULL; + } + } + blkcg_policy[pol->plid] = NULL; +err_unlock: mutex_unlock(&blkcg_pol_mutex); + mutex_unlock(&blkcg_pol_register_mutex); return ret; } EXPORT_SYMBOL_GPL(blkcg_policy_register); @@ -1220,7 +1234,9 @@ EXPORT_SYMBOL_GPL(blkcg_policy_register); */ void blkcg_policy_unregister(struct blkcg_policy *pol) { - mutex_lock(&blkcg_pol_mutex); + struct blkcg *blkcg; + + mutex_lock(&blkcg_pol_register_mutex); if (WARN_ON(blkcg_policy[pol->plid] != pol)) goto out_unlock; @@ -1229,9 +1245,19 @@ void blkcg_policy_unregister(struct blkcg_policy *pol) if (pol->cftypes) cgroup_rm_cftypes(pol->cftypes); - /* unregister and update blkgs */ + /* remove cpds and unregister */ + mutex_lock(&blkcg_pol_mutex); + + if (pol->cpd_size) { + list_for_each_entry(blkcg, &all_blkcgs, all_blkcgs_node) { + kfree(blkcg->pd[pol->plid]); + blkcg->pd[pol->plid] = NULL; + } + } blkcg_policy[pol->plid] = NULL; -out_unlock: + mutex_unlock(&blkcg_pol_mutex); +out_unlock: + mutex_unlock(&blkcg_pol_register_mutex); } EXPORT_SYMBOL_GPL(blkcg_policy_unregister); diff --git a/block/blk-core.c b/block/blk-core.c index 82819e68f58b..627ed0c593fb 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -3370,7 +3370,7 @@ EXPORT_SYMBOL(blk_post_runtime_resume); int __init blk_dev_init(void) { BUILD_BUG_ON(__REQ_NR_BITS > 8 * - sizeof(((struct request *)0)->cmd_flags)); + FIELD_SIZEOF(struct request, cmd_flags)); /* used for unplugging and affects IO latency/throughput - HIGHPRI */ kblockd_workqueue = alloc_workqueue("kblockd", diff --git a/block/blk-mq.c b/block/blk-mq.c index f53779692c77..7d842db59699 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1998,7 +1998,7 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set, goto err_hctxs; setup_timer(&q->timeout, blk_mq_rq_timer, (unsigned long) q); - blk_queue_rq_timeout(q, set->timeout ? set->timeout : 30000); + blk_queue_rq_timeout(q, set->timeout ? set->timeout : 30 * HZ); q->nr_queues = nr_cpu_ids; q->nr_hw_queues = set->nr_hw_queues; diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index 2161fa178c8d..628a42c41ab1 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -18,6 +18,7 @@ #include <linux/list.h> #include <linux/acpi.h> #include <linux/sort.h> +#include <linux/pmem.h> #include <linux/io.h> #include "nfit.h" @@ -305,6 +306,23 @@ static bool add_idt(struct acpi_nfit_desc *acpi_desc, return true; } +static bool add_flush(struct acpi_nfit_desc *acpi_desc, + struct acpi_nfit_flush_address *flush) +{ + struct device *dev = acpi_desc->dev; + struct nfit_flush *nfit_flush = devm_kzalloc(dev, sizeof(*nfit_flush), + GFP_KERNEL); + + if (!nfit_flush) + return false; + INIT_LIST_HEAD(&nfit_flush->list); + nfit_flush->flush = flush; + list_add_tail(&nfit_flush->list, &acpi_desc->flushes); + dev_dbg(dev, "%s: nfit_flush handle: %d hint_count: %d\n", __func__, + flush->device_handle, flush->hint_count); + return true; +} + static void *add_table(struct acpi_nfit_desc *acpi_desc, void *table, const void *end) { @@ -338,7 +356,8 @@ static void *add_table(struct acpi_nfit_desc *acpi_desc, void *table, return err; break; case ACPI_NFIT_TYPE_FLUSH_ADDRESS: - dev_dbg(dev, "%s: flush\n", __func__); + if (!add_flush(acpi_desc, table)) + return err; break; case ACPI_NFIT_TYPE_SMBIOS: dev_dbg(dev, "%s: smbios\n", __func__); @@ -389,6 +408,7 @@ static int nfit_mem_add(struct acpi_nfit_desc *acpi_desc, { u16 dcr = __to_nfit_memdev(nfit_mem)->region_index; struct nfit_memdev *nfit_memdev; + struct nfit_flush *nfit_flush; struct nfit_dcr *nfit_dcr; struct nfit_bdw *nfit_bdw; struct nfit_idt *nfit_idt; @@ -442,6 +462,14 @@ static int nfit_mem_add(struct acpi_nfit_desc *acpi_desc, nfit_mem->idt_bdw = nfit_idt->idt; break; } + + list_for_each_entry(nfit_flush, &acpi_desc->flushes, list) { + if (nfit_flush->flush->device_handle != + nfit_memdev->memdev->device_handle) + continue; + nfit_mem->nfit_flush = nfit_flush; + break; + } break; } @@ -978,6 +1006,24 @@ static u64 to_interleave_offset(u64 offset, struct nfit_blk_mmio *mmio) return mmio->base_offset + line_offset + table_offset + sub_line_offset; } +static void wmb_blk(struct nfit_blk *nfit_blk) +{ + + if (nfit_blk->nvdimm_flush) { + /* + * The first wmb() is needed to 'sfence' all previous writes + * such that they are architecturally visible for the platform + * buffer flush. Note that we've already arranged for pmem + * writes to avoid the cache via arch_memcpy_to_pmem(). The + * final wmb() ensures ordering for the NVDIMM flush write. + */ + wmb(); + writeq(1, nfit_blk->nvdimm_flush); + wmb(); + } else + wmb_pmem(); +} + static u64 read_blk_stat(struct nfit_blk *nfit_blk, unsigned int bw) { struct nfit_blk_mmio *mmio = &nfit_blk->mmio[DCR]; @@ -1012,7 +1058,10 @@ static void write_blk_ctl(struct nfit_blk *nfit_blk, unsigned int bw, offset = to_interleave_offset(offset, mmio); writeq(cmd, mmio->base + offset); - /* FIXME: conditionally perform read-back if mandated by firmware */ + wmb_blk(nfit_blk); + + if (nfit_blk->dimm_flags & ND_BLK_DCR_LATCH) + readq(mmio->base + offset); } static int acpi_nfit_blk_single_io(struct nfit_blk *nfit_blk, @@ -1026,7 +1075,6 @@ static int acpi_nfit_blk_single_io(struct nfit_blk *nfit_blk, base_offset = nfit_blk->bdw_offset + dpa % L1_CACHE_BYTES + lane * mmio->size; - /* TODO: non-temporal access, flush hints, cache management etc... */ write_blk_ctl(nfit_blk, lane, dpa, len, rw); while (len) { unsigned int c; @@ -1045,13 +1093,19 @@ static int acpi_nfit_blk_single_io(struct nfit_blk *nfit_blk, } if (rw) - memcpy(mmio->aperture + offset, iobuf + copied, c); + memcpy_to_pmem(mmio->aperture + offset, + iobuf + copied, c); else - memcpy(iobuf + copied, mmio->aperture + offset, c); + memcpy_from_pmem(iobuf + copied, + mmio->aperture + offset, c); copied += c; len -= c; } + + if (rw) + wmb_blk(nfit_blk); + rc = read_blk_stat(nfit_blk, lane) ? -EIO : 0; return rc; } @@ -1124,7 +1178,7 @@ static void nfit_spa_unmap(struct acpi_nfit_desc *acpi_desc, } static void __iomem *__nfit_spa_map(struct acpi_nfit_desc *acpi_desc, - struct acpi_nfit_system_address *spa) + struct acpi_nfit_system_address *spa, enum spa_map_type type) { resource_size_t start = spa->address; resource_size_t n = spa->length; @@ -1152,8 +1206,15 @@ static void __iomem *__nfit_spa_map(struct acpi_nfit_desc *acpi_desc, if (!res) goto err_mem; - /* TODO: cacheability based on the spa type */ - spa_map->iomem = ioremap_nocache(start, n); + if (type == SPA_MAP_APERTURE) { + /* + * TODO: memremap_pmem() support, but that requires cache + * flushing when the aperture is moved. + */ + spa_map->iomem = ioremap_wc(start, n); + } else + spa_map->iomem = ioremap_nocache(start, n); + if (!spa_map->iomem) goto err_map; @@ -1171,6 +1232,7 @@ static void __iomem *__nfit_spa_map(struct acpi_nfit_desc *acpi_desc, * nfit_spa_map - interleave-aware managed-mappings of acpi_nfit_system_address ranges * @nvdimm_bus: NFIT-bus that provided the spa table entry * @nfit_spa: spa table to map + * @type: aperture or control region * * In the case where block-data-window apertures and * dimm-control-regions are interleaved they will end up sharing a @@ -1180,12 +1242,12 @@ static void __iomem *__nfit_spa_map(struct acpi_nfit_desc *acpi_desc, * unbound. */ static void __iomem *nfit_spa_map(struct acpi_nfit_desc *acpi_desc, - struct acpi_nfit_system_address *spa) + struct acpi_nfit_system_address *spa, enum spa_map_type type) { void __iomem *iomem; mutex_lock(&acpi_desc->spa_map_mutex); - iomem = __nfit_spa_map(acpi_desc, spa); + iomem = __nfit_spa_map(acpi_desc, spa, type); mutex_unlock(&acpi_desc->spa_map_mutex); return iomem; @@ -1206,12 +1268,35 @@ static int nfit_blk_init_interleave(struct nfit_blk_mmio *mmio, return 0; } +static int acpi_nfit_blk_get_flags(struct nvdimm_bus_descriptor *nd_desc, + struct nvdimm *nvdimm, struct nfit_blk *nfit_blk) +{ + struct nd_cmd_dimm_flags flags; + int rc; + + memset(&flags, 0, sizeof(flags)); + rc = nd_desc->ndctl(nd_desc, nvdimm, ND_CMD_DIMM_FLAGS, &flags, + sizeof(flags)); + + if (rc >= 0 && flags.status == 0) + nfit_blk->dimm_flags = flags.flags; + else if (rc == -ENOTTY) { + /* fall back to a conservative default */ + nfit_blk->dimm_flags = ND_BLK_DCR_LATCH; + rc = 0; + } else + rc = -ENXIO; + + return rc; +} + static int acpi_nfit_blk_region_enable(struct nvdimm_bus *nvdimm_bus, struct device *dev) { struct nvdimm_bus_descriptor *nd_desc = to_nd_desc(nvdimm_bus); struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc); struct nd_blk_region *ndbr = to_nd_blk_region(dev); + struct nfit_flush *nfit_flush; struct nfit_blk_mmio *mmio; struct nfit_blk *nfit_blk; struct nfit_mem *nfit_mem; @@ -1223,8 +1308,8 @@ static int acpi_nfit_blk_region_enable(struct nvdimm_bus *nvdimm_bus, if (!nfit_mem || !nfit_mem->dcr || !nfit_mem->bdw) { dev_dbg(dev, "%s: missing%s%s%s\n", __func__, nfit_mem ? "" : " nfit_mem", - nfit_mem->dcr ? "" : " dcr", - nfit_mem->bdw ? "" : " bdw"); + (nfit_mem && nfit_mem->dcr) ? "" : " dcr", + (nfit_mem && nfit_mem->bdw) ? "" : " bdw"); return -ENXIO; } @@ -1237,7 +1322,8 @@ static int acpi_nfit_blk_region_enable(struct nvdimm_bus *nvdimm_bus, /* map block aperture memory */ nfit_blk->bdw_offset = nfit_mem->bdw->offset; mmio = &nfit_blk->mmio[BDW]; - mmio->base = nfit_spa_map(acpi_desc, nfit_mem->spa_bdw); + mmio->base = nfit_spa_map(acpi_desc, nfit_mem->spa_bdw, + SPA_MAP_APERTURE); if (!mmio->base) { dev_dbg(dev, "%s: %s failed to map bdw\n", __func__, nvdimm_name(nvdimm)); @@ -1259,7 +1345,8 @@ static int acpi_nfit_blk_region_enable(struct nvdimm_bus *nvdimm_bus, nfit_blk->cmd_offset = nfit_mem->dcr->command_offset; nfit_blk->stat_offset = nfit_mem->dcr->status_offset; mmio = &nfit_blk->mmio[DCR]; - mmio->base = nfit_spa_map(acpi_desc, nfit_mem->spa_dcr); + mmio->base = nfit_spa_map(acpi_desc, nfit_mem->spa_dcr, + SPA_MAP_CONTROL); if (!mmio->base) { dev_dbg(dev, "%s: %s failed to map dcr\n", __func__, nvdimm_name(nvdimm)); @@ -1277,6 +1364,24 @@ static int acpi_nfit_blk_region_enable(struct nvdimm_bus *nvdimm_bus, return rc; } + rc = acpi_nfit_blk_get_flags(nd_desc, nvdimm, nfit_blk); + if (rc < 0) { + dev_dbg(dev, "%s: %s failed get DIMM flags\n", + __func__, nvdimm_name(nvdimm)); + return rc; + } + + nfit_flush = nfit_mem->nfit_flush; + if (nfit_flush && nfit_flush->flush->hint_count != 0) { + nfit_blk->nvdimm_flush = devm_ioremap_nocache(dev, + nfit_flush->flush->hint_address[0], 8); + if (!nfit_blk->nvdimm_flush) + return -ENOMEM; + } + + if (!arch_has_pmem_api() && !nfit_blk->nvdimm_flush) + dev_warn(dev, "unable to guarantee persistence of writes\n"); + if (mmio->line_size == 0) return 0; @@ -1459,6 +1564,7 @@ int acpi_nfit_init(struct acpi_nfit_desc *acpi_desc, acpi_size sz) INIT_LIST_HEAD(&acpi_desc->dcrs); INIT_LIST_HEAD(&acpi_desc->bdws); INIT_LIST_HEAD(&acpi_desc->idts); + INIT_LIST_HEAD(&acpi_desc->flushes); INIT_LIST_HEAD(&acpi_desc->memdevs); INIT_LIST_HEAD(&acpi_desc->dimms); mutex_init(&acpi_desc->spa_map_mutex); diff --git a/drivers/acpi/nfit.h b/drivers/acpi/nfit.h index 81f2e8c5a79c..79b6d83875c1 100644 --- a/drivers/acpi/nfit.h +++ b/drivers/acpi/nfit.h @@ -40,6 +40,10 @@ enum nfit_uuids { NFIT_UUID_MAX, }; +enum { + ND_BLK_DCR_LATCH = 2, +}; + struct nfit_spa { struct acpi_nfit_system_address *spa; struct list_head list; @@ -60,6 +64,11 @@ struct nfit_idt { struct list_head list; }; +struct nfit_flush { + struct acpi_nfit_flush_address *flush; + struct list_head list; +}; + struct nfit_memdev { struct acpi_nfit_memory_map *memdev; struct list_head list; @@ -77,6 +86,7 @@ struct nfit_mem { struct acpi_nfit_system_address *spa_bdw; struct acpi_nfit_interleave *idt_dcr; struct acpi_nfit_interleave *idt_bdw; + struct nfit_flush *nfit_flush; struct list_head list; struct acpi_device *adev; unsigned long dsm_mask; @@ -88,6 +98,7 @@ struct acpi_nfit_desc { struct mutex spa_map_mutex; struct list_head spa_maps; struct list_head memdevs; + struct list_head flushes; struct list_head dimms; struct list_head spas; struct list_head dcrs; @@ -109,7 +120,7 @@ struct nfit_blk { struct nfit_blk_mmio { union { void __iomem *base; - void *aperture; + void __pmem *aperture; }; u64 size; u64 base_offset; @@ -123,6 +134,13 @@ struct nfit_blk { u64 bdw_offset; /* post interleave offset */ u64 stat_offset; u64 cmd_offset; + void __iomem *nvdimm_flush; + u32 dimm_flags; +}; + +enum spa_map_type { + SPA_MAP_CONTROL, + SPA_MAP_APERTURE, }; struct nfit_spa_mapping { diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 8244f013f210..f1c966e05078 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -193,6 +193,7 @@ static bool acpi_decode_space(struct resource_win *win, u8 iodec = attr->granularity == 0xfff ? ACPI_DECODE_10 : ACPI_DECODE_16; bool wp = addr->info.mem.write_protect; u64 len = attr->address_length; + u64 start, end, offset = 0; struct resource *res = &win->res; /* @@ -204,9 +205,6 @@ static bool acpi_decode_space(struct resource_win *win, pr_debug("ACPI: Invalid address space min_addr_fix %d, max_addr_fix %d, len %llx\n", addr->min_address_fixed, addr->max_address_fixed, len); - res->start = attr->minimum; - res->end = attr->maximum; - /* * For bridges that translate addresses across the bridge, * translation_offset is the offset that must be added to the @@ -214,12 +212,22 @@ static bool acpi_decode_space(struct resource_win *win, * primary side. Non-bridge devices must list 0 for all Address * Translation offset bits. */ - if (addr->producer_consumer == ACPI_PRODUCER) { - res->start += attr->translation_offset; - res->end += attr->translation_offset; - } else if (attr->translation_offset) { + if (addr->producer_consumer == ACPI_PRODUCER) + offset = attr->translation_offset; + else if (attr->translation_offset) pr_debug("ACPI: translation_offset(%lld) is invalid for non-bridge device.\n", attr->translation_offset); + start = attr->minimum + offset; + end = attr->maximum + offset; + + win->offset = offset; + res->start = start; + res->end = end; + if (sizeof(resource_size_t) < sizeof(u64) && + (offset != win->offset || start != res->start || end != res->end)) { + pr_warn("acpi resource window ([%#llx-%#llx] ignored, not CPU addressable)\n", + attr->minimum, attr->maximum); + return false; } switch (addr->resource_type) { @@ -236,8 +244,6 @@ static bool acpi_decode_space(struct resource_win *win, return false; } - win->offset = attr->translation_offset; - if (addr->producer_consumer == ACPI_PRODUCER) res->flags |= IORESOURCE_WINDOW; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index e83fc3d0da9c..db5d9f79a247 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2478,6 +2478,10 @@ int ata_dev_configure(struct ata_device *dev) dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128, dev->max_sectors); + if (dev->horkage & ATA_HORKAGE_MAX_SEC_1024) + dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_1024, + dev->max_sectors); + if (dev->horkage & ATA_HORKAGE_MAX_SEC_LBA48) dev->max_sectors = ATA_MAX_SECTORS_LBA48; @@ -4146,6 +4150,12 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "Slimtype DVD A DS8A8SH", NULL, ATA_HORKAGE_MAX_SEC_LBA48 }, { "Slimtype DVD A DS8A9SH", NULL, ATA_HORKAGE_MAX_SEC_LBA48 }, + /* + * Causes silent data corruption with higher max sects. + * http://lkml.kernel.org/g/x49wpy40ysk.fsf@segfault.boston.devel.redhat.com + */ + { "ST380013AS", "3.20", ATA_HORKAGE_MAX_SEC_1024 }, + /* Devices we expect to fail diagnostics */ /* Devices where NCQ should be avoided */ @@ -4174,9 +4184,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "ST3320[68]13AS", "SD1[5-9]", ATA_HORKAGE_NONCQ | ATA_HORKAGE_FIRMWARE_WARN }, - /* Seagate Momentus SpinPoint M8 seem to have FPMDA_AA issues */ + /* drives which fail FPDMA_AA activation (some may freeze afterwards) */ { "ST1000LM024 HN-M101MBB", "2AR10001", ATA_HORKAGE_BROKEN_FPDMA_AA }, { "ST1000LM024 HN-M101MBB", "2BA30001", ATA_HORKAGE_BROKEN_FPDMA_AA }, + { "VB0250EAVER", "HPG7", ATA_HORKAGE_BROKEN_FPDMA_AA }, /* Blacklist entries taken from Silicon Image 3124/3132 Windows driver .inf file - also several Linux problem reports */ @@ -4229,7 +4240,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "Crucial_CT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, - { "Micron_M5[15]0*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM | + { "Micron_M5[15]0_*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "Crucial_CT*M550*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, @@ -4238,6 +4249,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "Samsung SSD 8*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, + /* devices that don't properly handle TRIM commands */ + { "SuperSSpeed S238*", NULL, ATA_HORKAGE_NOTRIM, }, + /* * As defined, the DRAT (Deterministic Read After Trim) and RZAT * (Return Zero After Trim) flags in the ATA Command Set are @@ -4501,7 +4515,8 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev) else /* In the ancient relic department - skip all of this */ return 0; - err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0); + /* On some disks, this command causes spin-up, so we need longer timeout */ + err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 15000); DPRINTK("EXIT, err_mask=%x\n", err_mask); return err_mask; diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c index 7ccc084bf1df..85aa76116a30 100644 --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c @@ -460,6 +460,13 @@ static void sata_pmp_quirks(struct ata_port *ap) ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA; } + } else if (vendor == 0x11ab && devid == 0x4140) { + /* Marvell 4140 quirks */ + ata_for_each_link(link, ap, EDGE) { + /* port 4 is for SEMB device and it doesn't like SRST */ + if (link->pmp == 4) + link->flags |= ATA_LFLAG_DISABLED; + } } } diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 3131adcc1f87..641a61a59e89 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -2568,7 +2568,8 @@ static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf) rbuf[14] = (lowest_aligned >> 8) & 0x3f; rbuf[15] = lowest_aligned; - if (ata_id_has_trim(args->id)) { + if (ata_id_has_trim(args->id) && + !(dev->horkage & ATA_HORKAGE_NOTRIM)) { rbuf[14] |= 0x80; /* LBPME */ if (ata_id_has_zero_after_trim(args->id) && diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c index d6c37bcd416d..e2d94972962d 100644 --- a/drivers/ata/libata-transport.c +++ b/drivers/ata/libata-transport.c @@ -569,6 +569,8 @@ show_ata_dev_trim(struct device *dev, if (!ata_id_has_trim(ata_dev->id)) mode = "unsupported"; + else if (ata_dev->horkage & ATA_HORKAGE_NOTRIM) + mode = "forced_unsupported"; else if (ata_dev->horkage & ATA_HORKAGE_NO_NCQ_TRIM) mode = "forced_unqueued"; else if (ata_fpdma_dsm_supported(ata_dev)) diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c index a9b0c820f2eb..5d9ee99c2148 100644 --- a/drivers/ata/pata_arasan_cf.c +++ b/drivers/ata/pata_arasan_cf.c @@ -4,7 +4,7 @@ * Arasan Compact Flash host controller source file * * Copyright (C) 2011 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -968,7 +968,7 @@ static struct platform_driver arasan_cf_driver = { module_platform_driver(arasan_cf_driver); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("Arasan ATA Compact Flash driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" DRIVER_NAME); diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index 69de41a87b74..3177b245d2bd 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -240,19 +240,19 @@ static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer) while ((entry = llist_del_all(&cq->list)) != NULL) { entry = llist_reverse_order(entry); do { + struct request_queue *q = NULL; + cmd = container_of(entry, struct nullb_cmd, ll_list); entry = entry->next; + if (cmd->rq) + q = cmd->rq->q; end_cmd(cmd); - if (cmd->rq) { - struct request_queue *q = cmd->rq->q; - - if (!q->mq_ops && blk_queue_stopped(q)) { - spin_lock(q->queue_lock); - if (blk_queue_stopped(q)) - blk_start_queue(q); - spin_unlock(q->queue_lock); - } + if (q && !q->mq_ops && blk_queue_stopped(q)) { + spin_lock(q->queue_lock); + if (blk_queue_stopped(q)) + blk_start_queue(q); + spin_unlock(q->queue_lock); } } while (entry); } diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c index d1d6141920d3..7920c2741b47 100644 --- a/drivers/block/nvme-core.c +++ b/drivers/block/nvme-core.c @@ -2108,8 +2108,17 @@ static void nvme_alloc_ns(struct nvme_dev *dev, unsigned nsid) goto out_free_disk; add_disk(ns->disk); - if (ns->ms) - revalidate_disk(ns->disk); + if (ns->ms) { + struct block_device *bd = bdget_disk(ns->disk, 0); + if (!bd) + return; + if (blkdev_get(bd, FMODE_READ, NULL)) { + bdput(bd); + return; + } + blkdev_reread_part(bd); + blkdev_put(bd, FMODE_READ); + } return; out_free_disk: kfree(disk); diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c index 1e1a4323a71f..9ceb8ac68fdc 100644 --- a/drivers/bluetooth/btbcm.c +++ b/drivers/bluetooth/btbcm.c @@ -472,12 +472,11 @@ int btbcm_setup_apple(struct hci_dev *hdev) /* Read Verbose Config Version Info */ skb = btbcm_read_verbose_config(hdev); - if (IS_ERR(skb)) - return PTR_ERR(skb); - - BT_INFO("%s: BCM: chip id %u build %4.4u", hdev->name, skb->data[1], - get_unaligned_le16(skb->data + 5)); - kfree_skb(skb); + if (!IS_ERR(skb)) { + BT_INFO("%s: BCM: chip id %u build %4.4u", hdev->name, skb->data[1], + get_unaligned_le16(skb->data + 5)); + kfree_skb(skb); + } set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index 283f00a7f036..1082d4bb016a 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -129,8 +129,9 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev, device_initialize(&chip->dev); - chip->cdev.owner = chip->pdev->driver->owner; cdev_init(&chip->cdev, &tpm_fops); + chip->cdev.owner = chip->pdev->driver->owner; + chip->cdev.kobj.parent = &chip->dev.kobj; return chip; } diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index 44f9d20c19ac..1267322595da 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -233,6 +233,14 @@ static int crb_acpi_add(struct acpi_device *device) return -ENODEV; } + /* At least some versions of AMI BIOS have a bug that TPM2 table has + * zero address for the control area and therefore we must fail. + */ + if (!buf->control_area_pa) { + dev_err(dev, "TPM2 ACPI table has a zero address for the control area\n"); + return -EINVAL; + } + if (buf->hdr.length < sizeof(struct acpi_tpm2)) { dev_err(dev, "TPM2 ACPI table has wrong size"); return -EINVAL; diff --git a/drivers/clk/spear/clk-aux-synth.c b/drivers/clk/spear/clk-aux-synth.c index bdfb4421c643..f271c350ef94 100644 --- a/drivers/clk/spear/clk-aux-synth.c +++ b/drivers/clk/spear/clk-aux-synth.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk-frac-synth.c b/drivers/clk/spear/clk-frac-synth.c index dffd4ce6c8b5..58d678b5b40a 100644 --- a/drivers/clk/spear/clk-frac-synth.c +++ b/drivers/clk/spear/clk-frac-synth.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk-gpt-synth.c b/drivers/clk/spear/clk-gpt-synth.c index 1afc18c4effc..1a722e99e76e 100644 --- a/drivers/clk/spear/clk-gpt-synth.c +++ b/drivers/clk/spear/clk-gpt-synth.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk-vco-pll.c b/drivers/clk/spear/clk-vco-pll.c index 1b9b65bca51e..5ebddc528145 100644 --- a/drivers/clk/spear/clk-vco-pll.c +++ b/drivers/clk/spear/clk-vco-pll.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk.c b/drivers/clk/spear/clk.c index 628b6d5ed3d9..157fe099ea6a 100644 --- a/drivers/clk/spear/clk.c +++ b/drivers/clk/spear/clk.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk.h b/drivers/clk/spear/clk.h index 931737677dfa..9834944f08b1 100644 --- a/drivers/clk/spear/clk.h +++ b/drivers/clk/spear/clk.h @@ -2,7 +2,7 @@ * Clock framework definitions for SPEAr platform * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/spear1310_clock.c b/drivers/clk/spear/spear1310_clock.c index 4daa5977793a..222ce108b41a 100644 --- a/drivers/clk/spear/spear1310_clock.c +++ b/drivers/clk/spear/spear1310_clock.c @@ -4,7 +4,7 @@ * SPEAr1310 machine clock framework source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/spear1340_clock.c b/drivers/clk/spear/spear1340_clock.c index 5a5c6648308d..973c9d3fbcf8 100644 --- a/drivers/clk/spear/spear1340_clock.c +++ b/drivers/clk/spear/spear1340_clock.c @@ -4,7 +4,7 @@ * SPEAr1340 machine clock framework source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c index bb5f387774e2..404a55edd613 100644 --- a/drivers/clk/spear/spear3xx_clock.c +++ b/drivers/clk/spear/spear3xx_clock.c @@ -2,7 +2,7 @@ * SPEAr3xx machines clock framework source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/spear6xx_clock.c b/drivers/clk/spear/spear6xx_clock.c index 4f649c9cb094..231061fa73a4 100644 --- a/drivers/clk/spear/spear6xx_clock.c +++ b/drivers/clk/spear/spear6xx_clock.c @@ -2,7 +2,7 @@ * SPEAr6xx machines clock framework source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clocksource/timer-imx-gpt.c b/drivers/clocksource/timer-imx-gpt.c index 879c78423546..2d59038dec43 100644 --- a/drivers/clocksource/timer-imx-gpt.c +++ b/drivers/clocksource/timer-imx-gpt.c @@ -529,6 +529,7 @@ static void __init imx6dl_timer_init_dt(struct device_node *np) CLOCKSOURCE_OF_DECLARE(imx1_timer, "fsl,imx1-gpt", imx1_timer_init_dt); CLOCKSOURCE_OF_DECLARE(imx21_timer, "fsl,imx21-gpt", imx21_timer_init_dt); +CLOCKSOURCE_OF_DECLARE(imx27_timer, "fsl,imx27-gpt", imx21_timer_init_dt); CLOCKSOURCE_OF_DECLARE(imx31_timer, "fsl,imx31-gpt", imx31_timer_init_dt); CLOCKSOURCE_OF_DECLARE(imx25_timer, "fsl,imx25-gpt", imx31_timer_init_dt); CLOCKSOURCE_OF_DECLARE(imx50_timer, "fsl,imx50-gpt", imx31_timer_init_dt); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index b612411655f9..26063afb3eba 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -169,6 +169,15 @@ struct kobject *get_governor_parent_kobj(struct cpufreq_policy *policy) } EXPORT_SYMBOL_GPL(get_governor_parent_kobj); +struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu) +{ + struct cpufreq_policy *policy = per_cpu(cpufreq_cpu_data, cpu); + + return policy && !policy_is_inactive(policy) ? + policy->freq_table : NULL; +} +EXPORT_SYMBOL_GPL(cpufreq_frequency_get_table); + static inline u64 get_cpu_idle_time_jiffy(unsigned int cpu, u64 *wall) { u64 idle_time; @@ -1132,6 +1141,7 @@ static struct cpufreq_policy *cpufreq_policy_restore(unsigned int cpu) down_write(&policy->rwsem); policy->cpu = cpu; + policy->governor = NULL; up_write(&policy->rwsem); } diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c index df14766a8e06..dfbbf981ed56 100644 --- a/drivers/cpufreq/freq_table.c +++ b/drivers/cpufreq/freq_table.c @@ -297,15 +297,6 @@ int cpufreq_table_validate_and_show(struct cpufreq_policy *policy, } EXPORT_SYMBOL_GPL(cpufreq_table_validate_and_show); -struct cpufreq_policy *cpufreq_cpu_get_raw(unsigned int cpu); - -struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu) -{ - struct cpufreq_policy *policy = cpufreq_cpu_get_raw(cpu); - return policy ? policy->freq_table : NULL; -} -EXPORT_SYMBOL_GPL(cpufreq_frequency_get_table); - MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>"); MODULE_DESCRIPTION("CPUfreq frequency table helpers"); MODULE_LICENSE("GPL"); diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c index fc897babab55..e362860c2b50 100644 --- a/drivers/cpufreq/loongson2_cpufreq.c +++ b/drivers/cpufreq/loongson2_cpufreq.c @@ -3,7 +3,7 @@ * * The 2E revision of loongson processor not support this feature. * - * Copyright (C) 2006 - 2008 Lemote Inc. & Insititute of Computing Technology + * Copyright (C) 2006 - 2008 Lemote Inc. & Institute of Computing Technology * Author: Yanhua, yanh@lemote.com * * This file is subject to the terms and conditions of the GNU General Public diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index e8e2775c3821..48b7228563ad 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -112,7 +112,12 @@ int cpuidle_find_deepest_state(struct cpuidle_driver *drv, static void enter_freeze_proper(struct cpuidle_driver *drv, struct cpuidle_device *dev, int index) { - tick_freeze(); + /* + * trace_suspend_resume() called by tick_freeze() for the last CPU + * executing it contains RCU usage regarded as invalid in the idle + * context, so tell RCU about that. + */ + RCU_NONIDLE(tick_freeze()); /* * The state used here cannot be a "coupled" one, because the "coupled" * cpuidle mechanism enables interrupts and doing that with timekeeping @@ -122,7 +127,7 @@ static void enter_freeze_proper(struct cpuidle_driver *drv, WARN_ON(!irqs_disabled()); /* * timekeeping_resume() that will be called by tick_unfreeze() for the - * last CPU executing it calls functions containing RCU read-side + * first CPU executing it calls functions containing RCU read-side * critical sections, so tell RCU about that. */ RCU_NONIDLE(tick_unfreeze()); diff --git a/drivers/crypto/nx/nx-aes-ccm.c b/drivers/crypto/nx/nx-aes-ccm.c index 67f80813a06f..e4311ce0cd78 100644 --- a/drivers/crypto/nx/nx-aes-ccm.c +++ b/drivers/crypto/nx/nx-aes-ccm.c @@ -494,8 +494,9 @@ out: static int ccm4309_aes_nx_encrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); + struct nx_gcm_rctx *rctx = aead_request_ctx(req); struct blkcipher_desc desc; - u8 *iv = nx_ctx->priv.ccm.iv; + u8 *iv = rctx->iv; iv[0] = 3; memcpy(iv + 1, nx_ctx->priv.ccm.nonce, 3); @@ -525,8 +526,9 @@ static int ccm_aes_nx_encrypt(struct aead_request *req) static int ccm4309_aes_nx_decrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); + struct nx_gcm_rctx *rctx = aead_request_ctx(req); struct blkcipher_desc desc; - u8 *iv = nx_ctx->priv.ccm.iv; + u8 *iv = rctx->iv; iv[0] = 3; memcpy(iv + 1, nx_ctx->priv.ccm.nonce, 3); diff --git a/drivers/crypto/nx/nx-aes-ctr.c b/drivers/crypto/nx/nx-aes-ctr.c index 2617cd4d54dd..dd7e9f3f5b6b 100644 --- a/drivers/crypto/nx/nx-aes-ctr.c +++ b/drivers/crypto/nx/nx-aes-ctr.c @@ -72,7 +72,7 @@ static int ctr3686_aes_nx_set_key(struct crypto_tfm *tfm, if (key_len < CTR_RFC3686_NONCE_SIZE) return -EINVAL; - memcpy(nx_ctx->priv.ctr.iv, + memcpy(nx_ctx->priv.ctr.nonce, in_key + key_len - CTR_RFC3686_NONCE_SIZE, CTR_RFC3686_NONCE_SIZE); @@ -131,14 +131,15 @@ static int ctr3686_aes_nx_crypt(struct blkcipher_desc *desc, unsigned int nbytes) { struct nx_crypto_ctx *nx_ctx = crypto_blkcipher_ctx(desc->tfm); - u8 *iv = nx_ctx->priv.ctr.iv; + u8 iv[16]; + memcpy(iv, nx_ctx->priv.ctr.nonce, CTR_RFC3686_IV_SIZE); memcpy(iv + CTR_RFC3686_NONCE_SIZE, desc->info, CTR_RFC3686_IV_SIZE); iv[12] = iv[13] = iv[14] = 0; iv[15] = 1; - desc->info = nx_ctx->priv.ctr.iv; + desc->info = iv; return ctr_aes_nx_crypt(desc, dst, src, nbytes); } diff --git a/drivers/crypto/nx/nx-aes-gcm.c b/drivers/crypto/nx/nx-aes-gcm.c index 08ac6d48688c..92c993f08213 100644 --- a/drivers/crypto/nx/nx-aes-gcm.c +++ b/drivers/crypto/nx/nx-aes-gcm.c @@ -317,6 +317,7 @@ out: static int gcm_aes_nx_crypt(struct aead_request *req, int enc) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); + struct nx_gcm_rctx *rctx = aead_request_ctx(req); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; struct blkcipher_desc desc; unsigned int nbytes = req->cryptlen; @@ -326,7 +327,7 @@ static int gcm_aes_nx_crypt(struct aead_request *req, int enc) spin_lock_irqsave(&nx_ctx->lock, irq_flags); - desc.info = nx_ctx->priv.gcm.iv; + desc.info = rctx->iv; /* initialize the counter */ *(u32 *)(desc.info + NX_GCM_CTR_OFFSET) = 1; @@ -424,8 +425,8 @@ out: static int gcm_aes_nx_encrypt(struct aead_request *req) { - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; memcpy(iv, req->iv, 12); @@ -434,8 +435,8 @@ static int gcm_aes_nx_encrypt(struct aead_request *req) static int gcm_aes_nx_decrypt(struct aead_request *req) { - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; memcpy(iv, req->iv, 12); @@ -445,7 +446,8 @@ static int gcm_aes_nx_decrypt(struct aead_request *req) static int gcm4106_aes_nx_encrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; char *nonce = nx_ctx->priv.gcm.nonce; memcpy(iv, nonce, NX_GCM4106_NONCE_LEN); @@ -457,7 +459,8 @@ static int gcm4106_aes_nx_encrypt(struct aead_request *req) static int gcm4106_aes_nx_decrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; char *nonce = nx_ctx->priv.gcm.nonce; memcpy(iv, nonce, NX_GCM4106_NONCE_LEN); diff --git a/drivers/crypto/nx/nx-aes-xcbc.c b/drivers/crypto/nx/nx-aes-xcbc.c index 8c2faffab4a3..c2f7d4befb55 100644 --- a/drivers/crypto/nx/nx-aes-xcbc.c +++ b/drivers/crypto/nx/nx-aes-xcbc.c @@ -42,6 +42,7 @@ static int nx_xcbc_set_key(struct crypto_shash *desc, unsigned int key_len) { struct nx_crypto_ctx *nx_ctx = crypto_shash_ctx(desc); + struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; switch (key_len) { case AES_KEYSIZE_128: @@ -51,7 +52,7 @@ static int nx_xcbc_set_key(struct crypto_shash *desc, return -EINVAL; } - memcpy(nx_ctx->priv.xcbc.key, in_key, key_len); + memcpy(csbcpb->cpb.aes_xcbc.key, in_key, key_len); return 0; } @@ -148,32 +149,29 @@ out: return rc; } -static int nx_xcbc_init(struct shash_desc *desc) +static int nx_crypto_ctx_aes_xcbc_init2(struct crypto_tfm *tfm) { - struct xcbc_state *sctx = shash_desc_ctx(desc); - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); + struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; - struct nx_sg *out_sg; - int len; + int err; - nx_ctx_init(nx_ctx, HCOP_FC_AES); + err = nx_crypto_ctx_aes_xcbc_init(tfm); + if (err) + return err; - memset(sctx, 0, sizeof *sctx); + nx_ctx_init(nx_ctx, HCOP_FC_AES); NX_CPB_SET_KEY_SIZE(csbcpb, NX_KS_AES_128); csbcpb->cpb.hdr.mode = NX_MODE_AES_XCBC_MAC; - memcpy(csbcpb->cpb.aes_xcbc.key, nx_ctx->priv.xcbc.key, AES_BLOCK_SIZE); - memset(nx_ctx->priv.xcbc.key, 0, sizeof *nx_ctx->priv.xcbc.key); - - len = AES_BLOCK_SIZE; - out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, - &len, nx_ctx->ap->sglen); + return 0; +} - if (len != AES_BLOCK_SIZE) - return -EINVAL; +static int nx_xcbc_init(struct shash_desc *desc) +{ + struct xcbc_state *sctx = shash_desc_ctx(desc); - nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + memset(sctx, 0, sizeof *sctx); return 0; } @@ -186,6 +184,7 @@ static int nx_xcbc_update(struct shash_desc *desc, struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; struct nx_sg *in_sg; + struct nx_sg *out_sg; u32 to_process = 0, leftover, total; unsigned int max_sg_len; unsigned long irq_flags; @@ -213,6 +212,17 @@ static int nx_xcbc_update(struct shash_desc *desc, max_sg_len = min_t(u64, max_sg_len, nx_ctx->ap->databytelen/NX_PAGE_SIZE); + data_len = AES_BLOCK_SIZE; + out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, + &len, nx_ctx->ap->sglen); + + if (data_len != AES_BLOCK_SIZE) { + rc = -EINVAL; + goto out; + } + + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + do { to_process = total - to_process; to_process = to_process & ~(AES_BLOCK_SIZE - 1); @@ -235,8 +245,10 @@ static int nx_xcbc_update(struct shash_desc *desc, (u8 *) sctx->buffer, &data_len, max_sg_len); - if (data_len != sctx->count) - return -EINVAL; + if (data_len != sctx->count) { + rc = -EINVAL; + goto out; + } } data_len = to_process - sctx->count; @@ -245,8 +257,10 @@ static int nx_xcbc_update(struct shash_desc *desc, &data_len, max_sg_len); - if (data_len != to_process - sctx->count) - return -EINVAL; + if (data_len != to_process - sctx->count) { + rc = -EINVAL; + goto out; + } nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); @@ -325,15 +339,19 @@ static int nx_xcbc_final(struct shash_desc *desc, u8 *out) in_sg = nx_build_sg_list(nx_ctx->in_sg, (u8 *)sctx->buffer, &len, nx_ctx->ap->sglen); - if (len != sctx->count) - return -EINVAL; + if (len != sctx->count) { + rc = -EINVAL; + goto out; + } len = AES_BLOCK_SIZE; out_sg = nx_build_sg_list(nx_ctx->out_sg, out, &len, nx_ctx->ap->sglen); - if (len != AES_BLOCK_SIZE) - return -EINVAL; + if (len != AES_BLOCK_SIZE) { + rc = -EINVAL; + goto out; + } nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); @@ -372,7 +390,7 @@ struct shash_alg nx_shash_aes_xcbc_alg = { .cra_blocksize = AES_BLOCK_SIZE, .cra_module = THIS_MODULE, .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_init = nx_crypto_ctx_aes_xcbc_init, + .cra_init = nx_crypto_ctx_aes_xcbc_init2, .cra_exit = nx_crypto_ctx_exit, } }; diff --git a/drivers/crypto/nx/nx-sha256.c b/drivers/crypto/nx/nx-sha256.c index 4e91bdb83c59..08f8d5cd6334 100644 --- a/drivers/crypto/nx/nx-sha256.c +++ b/drivers/crypto/nx/nx-sha256.c @@ -29,34 +29,28 @@ #include "nx.h" -static int nx_sha256_init(struct shash_desc *desc) +static int nx_crypto_ctx_sha256_init(struct crypto_tfm *tfm) { - struct sha256_state *sctx = shash_desc_ctx(desc); - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); - struct nx_sg *out_sg; - int len; - u32 max_sg_len; + struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm); + int err; - nx_ctx_init(nx_ctx, HCOP_FC_SHA); + err = nx_crypto_ctx_sha_init(tfm); + if (err) + return err; - memset(sctx, 0, sizeof *sctx); + nx_ctx_init(nx_ctx, HCOP_FC_SHA); nx_ctx->ap = &nx_ctx->props[NX_PROPS_SHA256]; NX_CPB_SET_DIGEST_SIZE(nx_ctx->csbcpb, NX_DS_SHA256); - max_sg_len = min_t(u64, nx_ctx->ap->sglen, - nx_driver.of.max_sg_len/sizeof(struct nx_sg)); - max_sg_len = min_t(u64, max_sg_len, - nx_ctx->ap->databytelen/NX_PAGE_SIZE); + return 0; +} - len = SHA256_DIGEST_SIZE; - out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, - &len, max_sg_len); - nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); +static int nx_sha256_init(struct shash_desc *desc) { + struct sha256_state *sctx = shash_desc_ctx(desc); - if (len != SHA256_DIGEST_SIZE) - return -EINVAL; + memset(sctx, 0, sizeof *sctx); sctx->state[0] = __cpu_to_be32(SHA256_H0); sctx->state[1] = __cpu_to_be32(SHA256_H1); @@ -78,6 +72,7 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = (struct nx_csbcpb *)nx_ctx->csbcpb; struct nx_sg *in_sg; + struct nx_sg *out_sg; u64 to_process = 0, leftover, total; unsigned long irq_flags; int rc = 0; @@ -108,6 +103,16 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, max_sg_len = min_t(u64, max_sg_len, nx_ctx->ap->databytelen/NX_PAGE_SIZE); + data_len = SHA256_DIGEST_SIZE; + out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, + &data_len, max_sg_len); + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + + if (data_len != SHA256_DIGEST_SIZE) { + rc = -EINVAL; + goto out; + } + do { /* * to_process: the SHA256_BLOCK_SIZE data chunk to process in @@ -282,7 +287,7 @@ struct shash_alg nx_shash_sha256_alg = { .cra_blocksize = SHA256_BLOCK_SIZE, .cra_module = THIS_MODULE, .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_init = nx_crypto_ctx_sha_init, + .cra_init = nx_crypto_ctx_sha256_init, .cra_exit = nx_crypto_ctx_exit, } }; diff --git a/drivers/crypto/nx/nx-sha512.c b/drivers/crypto/nx/nx-sha512.c index e6a58d2ee628..aff0fe58eac0 100644 --- a/drivers/crypto/nx/nx-sha512.c +++ b/drivers/crypto/nx/nx-sha512.c @@ -28,34 +28,29 @@ #include "nx.h" -static int nx_sha512_init(struct shash_desc *desc) +static int nx_crypto_ctx_sha512_init(struct crypto_tfm *tfm) { - struct sha512_state *sctx = shash_desc_ctx(desc); - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); - struct nx_sg *out_sg; - int len; - u32 max_sg_len; + struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm); + int err; - nx_ctx_init(nx_ctx, HCOP_FC_SHA); + err = nx_crypto_ctx_sha_init(tfm); + if (err) + return err; - memset(sctx, 0, sizeof *sctx); + nx_ctx_init(nx_ctx, HCOP_FC_SHA); nx_ctx->ap = &nx_ctx->props[NX_PROPS_SHA512]; NX_CPB_SET_DIGEST_SIZE(nx_ctx->csbcpb, NX_DS_SHA512); - max_sg_len = min_t(u64, nx_ctx->ap->sglen, - nx_driver.of.max_sg_len/sizeof(struct nx_sg)); - max_sg_len = min_t(u64, max_sg_len, - nx_ctx->ap->databytelen/NX_PAGE_SIZE); + return 0; +} - len = SHA512_DIGEST_SIZE; - out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, - &len, max_sg_len); - nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); +static int nx_sha512_init(struct shash_desc *desc) +{ + struct sha512_state *sctx = shash_desc_ctx(desc); - if (len != SHA512_DIGEST_SIZE) - return -EINVAL; + memset(sctx, 0, sizeof *sctx); sctx->state[0] = __cpu_to_be64(SHA512_H0); sctx->state[1] = __cpu_to_be64(SHA512_H1); @@ -77,6 +72,7 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = (struct nx_csbcpb *)nx_ctx->csbcpb; struct nx_sg *in_sg; + struct nx_sg *out_sg; u64 to_process, leftover = 0, total; unsigned long irq_flags; int rc = 0; @@ -107,6 +103,16 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, max_sg_len = min_t(u64, max_sg_len, nx_ctx->ap->databytelen/NX_PAGE_SIZE); + data_len = SHA512_DIGEST_SIZE; + out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, + &data_len, max_sg_len); + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + + if (data_len != SHA512_DIGEST_SIZE) { + rc = -EINVAL; + goto out; + } + do { /* * to_process: the SHA512_BLOCK_SIZE data chunk to process in @@ -288,7 +294,7 @@ struct shash_alg nx_shash_sha512_alg = { .cra_blocksize = SHA512_BLOCK_SIZE, .cra_module = THIS_MODULE, .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_init = nx_crypto_ctx_sha_init, + .cra_init = nx_crypto_ctx_sha512_init, .cra_exit = nx_crypto_ctx_exit, } }; diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c index f6198f29a4a8..436971343ff7 100644 --- a/drivers/crypto/nx/nx.c +++ b/drivers/crypto/nx/nx.c @@ -713,12 +713,15 @@ static int nx_crypto_ctx_init(struct nx_crypto_ctx *nx_ctx, u32 fc, u32 mode) /* entry points from the crypto tfm initializers */ int nx_crypto_ctx_aes_ccm_init(struct crypto_tfm *tfm) { + crypto_aead_set_reqsize(__crypto_aead_cast(tfm), + sizeof(struct nx_ccm_rctx)); return nx_crypto_ctx_init(crypto_tfm_ctx(tfm), NX_FC_AES, NX_MODE_AES_CCM); } int nx_crypto_ctx_aes_gcm_init(struct crypto_aead *tfm) { + crypto_aead_set_reqsize(tfm, sizeof(struct nx_gcm_rctx)); return nx_crypto_ctx_init(crypto_aead_ctx(tfm), NX_FC_AES, NX_MODE_AES_GCM); } diff --git a/drivers/crypto/nx/nx.h b/drivers/crypto/nx/nx.h index de3ea8738146..cdff03a42ae7 100644 --- a/drivers/crypto/nx/nx.h +++ b/drivers/crypto/nx/nx.h @@ -2,6 +2,8 @@ #ifndef __NX_H__ #define __NX_H__ +#include <crypto/ctr.h> + #define NX_NAME "nx-crypto" #define NX_STRING "IBM Power7+ Nest Accelerator Crypto Driver" #define NX_VERSION "1.0" @@ -91,8 +93,11 @@ struct nx_crypto_driver { #define NX_GCM4106_NONCE_LEN (4) #define NX_GCM_CTR_OFFSET (12) -struct nx_gcm_priv { +struct nx_gcm_rctx { u8 iv[16]; +}; + +struct nx_gcm_priv { u8 iauth_tag[16]; u8 nonce[NX_GCM4106_NONCE_LEN]; }; @@ -100,8 +105,11 @@ struct nx_gcm_priv { #define NX_CCM_AES_KEY_LEN (16) #define NX_CCM4309_AES_KEY_LEN (19) #define NX_CCM4309_NONCE_LEN (3) -struct nx_ccm_priv { +struct nx_ccm_rctx { u8 iv[16]; +}; + +struct nx_ccm_priv { u8 b0[16]; u8 iauth_tag[16]; u8 oauth_tag[16]; @@ -113,7 +121,7 @@ struct nx_xcbc_priv { }; struct nx_ctr_priv { - u8 iv[16]; + u8 nonce[CTR_RFC3686_NONCE_SIZE]; }; struct nx_crypto_ctx { diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c index 46307098f8ba..0a70e46d5416 100644 --- a/drivers/crypto/omap-des.c +++ b/drivers/crypto/omap-des.c @@ -536,9 +536,6 @@ static int omap_des_crypt_dma_stop(struct omap_des_dev *dd) dmaengine_terminate_all(dd->dma_lch_in); dmaengine_terminate_all(dd->dma_lch_out); - dma_unmap_sg(dd->dev, dd->in_sg, dd->in_sg_len, DMA_TO_DEVICE); - dma_unmap_sg(dd->dev, dd->out_sg, dd->out_sg_len, DMA_FROM_DEVICE); - return err; } diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index 1022c2e1a2b0..cf1c87fa1edd 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -1746,4 +1746,4 @@ EXPORT_SYMBOL_GPL(dw_dma_enable); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller core driver"); MODULE_AUTHOR("Haavard Skinnemoen (Atmel)"); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c index 4fd9961d552e..d42537425438 100644 --- a/drivers/firmware/efi/cper.c +++ b/drivers/firmware/efi/cper.c @@ -305,10 +305,17 @@ const char *cper_mem_err_unpack(struct trace_seq *p, return ret; } -static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem) +static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem, + int len) { struct cper_mem_err_compact cmem; + /* Don't trust UEFI 2.1/2.2 structure with bad validation bits */ + if (len == sizeof(struct cper_sec_mem_err_old) && + (mem->validation_bits & ~(CPER_MEM_VALID_RANK_NUMBER - 1))) { + pr_err(FW_WARN "valid bits set for fields beyond structure\n"); + return; + } if (mem->validation_bits & CPER_MEM_VALID_ERROR_STATUS) printk("%s""error_status: 0x%016llx\n", pfx, mem->error_status); if (mem->validation_bits & CPER_MEM_VALID_PA) @@ -405,8 +412,10 @@ static void cper_estatus_print_section( } else if (!uuid_le_cmp(*sec_type, CPER_SEC_PLATFORM_MEM)) { struct cper_sec_mem_err *mem_err = (void *)(gdata + 1); printk("%s""section_type: memory error\n", newpfx); - if (gdata->error_data_length >= sizeof(*mem_err)) - cper_print_mem(newpfx, mem_err); + if (gdata->error_data_length >= + sizeof(struct cper_sec_mem_err_old)) + cper_print_mem(newpfx, mem_err, + gdata->error_data_length); else goto err_section_too_small; } else if (!uuid_le_cmp(*sec_type, CPER_SEC_PCIE)) { diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c index 7a3cb1fa0a76..4630a8133ea6 100644 --- a/drivers/gpio/gpio-brcmstb.c +++ b/drivers/gpio/gpio-brcmstb.c @@ -87,6 +87,15 @@ static int brcmstb_gpio_remove(struct platform_device *pdev) struct brcmstb_gpio_bank *bank; int ret = 0; + if (!priv) { + dev_err(&pdev->dev, "called %s without drvdata!\n", __func__); + return -EFAULT; + } + + /* + * You can lose return values below, but we report all errors, and it's + * more important to actually perform all of the steps. + */ list_for_each(pos, &priv->bank_list) { bank = list_entry(pos, struct brcmstb_gpio_bank, node); ret = bgpio_remove(&bank->bgc); @@ -143,6 +152,8 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; + platform_set_drvdata(pdev, priv); + INIT_LIST_HEAD(&priv->bank_list); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); reg_base = devm_ioremap_resource(dev, res); @@ -153,7 +164,6 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) priv->reg_base = reg_base; priv->pdev = pdev; - INIT_LIST_HEAD(&priv->bank_list); if (brcmstb_gpio_sanity_check_banks(dev, np, res)) return -EINVAL; @@ -221,8 +231,6 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) dev_info(dev, "Registered %d banks (GPIO(s): %d-%d)\n", priv->num_banks, priv->gpio_base, gpio_base - 1); - platform_set_drvdata(pdev, priv); - return 0; fail: diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index c5e05c82d67c..c246ac3dda7c 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -578,15 +578,13 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev) writel_relaxed(~0, &g->clr_falling); writel_relaxed(~0, &g->clr_rising); - /* set up all irqs in this bank */ - irq_set_chained_handler(bank_irq, gpio_irq_handler); - /* * Each chip handles 32 gpios, and each irq bank consists of 16 * gpio irqs. Pass the irq bank's corresponding controller to * the chained irq handler. */ - irq_set_handler_data(bank_irq, &chips[gpio / 32]); + irq_set_chained_handler_and_data(bank_irq, gpio_irq_handler, + &chips[gpio / 32]); binten |= BIT(bank); } diff --git a/drivers/gpio/gpio-max732x.c b/drivers/gpio/gpio-max732x.c index aed4ca9338bc..7d3c90e9da71 100644 --- a/drivers/gpio/gpio-max732x.c +++ b/drivers/gpio/gpio-max732x.c @@ -603,6 +603,7 @@ static int max732x_setup_gpio(struct max732x_chip *chip, gc->base = gpio_start; gc->ngpio = port; gc->label = chip->client->name; + gc->dev = &chip->client->dev; gc->owner = THIS_MODULE; return port; diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index b0c57d505be7..61a731ff9a07 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -500,8 +500,10 @@ static int omap_gpio_irq_type(struct irq_data *d, unsigned type) spin_lock_irqsave(&bank->lock, flags); retval = omap_set_gpio_triggering(bank, offset, type); - if (retval) + if (retval) { + spin_unlock_irqrestore(&bank->lock, flags); goto error; + } omap_gpio_init_irq(bank, offset); if (!omap_gpio_is_input(bank, offset)) { spin_unlock_irqrestore(&bank->lock, flags); @@ -1185,6 +1187,7 @@ static int omap_gpio_probe(struct platform_device *pdev) bank->irq = res->start; bank->dev = dev; bank->chip.dev = dev; + bank->chip.owner = THIS_MODULE; bank->dbck_flag = pdata->dbck_flag; bank->stride = pdata->bank_stride; bank->width = pdata->bank_width; diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index d233eb3b8132..50caeb1ee350 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -570,6 +570,10 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, "could not connect irqchip to gpiochip\n"); return ret; } + + gpiochip_set_chained_irqchip(&chip->gpio_chip, + &pca953x_irq_chip, + client->irq, NULL); } return 0; diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c index 77fe5d3cb105..d5284dfe01fe 100644 --- a/drivers/gpio/gpio-xilinx.c +++ b/drivers/gpio/gpio-xilinx.c @@ -220,9 +220,9 @@ static void xgpio_save_regs(struct of_mm_gpio_chip *mm_gc) if (!chip->gpio_width[1]) return; - xgpio_writereg(mm_gc->regs + XGPIO_DATA_OFFSET + XGPIO_TRI_OFFSET, + xgpio_writereg(mm_gc->regs + XGPIO_DATA_OFFSET + XGPIO_CHANNEL_OFFSET, chip->gpio_state[1]); - xgpio_writereg(mm_gc->regs + XGPIO_TRI_OFFSET + XGPIO_TRI_OFFSET, + xgpio_writereg(mm_gc->regs + XGPIO_TRI_OFFSET + XGPIO_CHANNEL_OFFSET, chip->gpio_dir[1]); } diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 2e87c4b8da26..a78882389836 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -757,6 +757,7 @@ static int zynq_gpio_remove(struct platform_device *pdev) gpiochip_remove(&gpio->chip); clk_disable_unprepare(gpio->clk); device_set_wakeup_capable(&pdev->dev, 0); + pm_runtime_disable(&pdev->dev); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 01657830b470..e9fde72cf038 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1614,6 +1614,9 @@ struct amdgpu_uvd { #define AMDGPU_MAX_VCE_HANDLES 16 #define AMDGPU_VCE_FIRMWARE_OFFSET 256 +#define AMDGPU_VCE_HARVEST_VCE0 (1 << 0) +#define AMDGPU_VCE_HARVEST_VCE1 (1 << 1) + struct amdgpu_vce { struct amdgpu_bo *vcpu_bo; uint64_t gpu_addr; @@ -1626,6 +1629,7 @@ struct amdgpu_vce { const struct firmware *fw; /* VCE firmware */ struct amdgpu_ring ring[AMDGPU_MAX_VCE_RINGS]; struct amdgpu_irq_src irq; + unsigned harvest_config; }; /* diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index d63135bf29c0..1f040d85ac47 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -669,6 +669,7 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev, static int amdgpu_cs_dependencies(struct amdgpu_device *adev, struct amdgpu_cs_parser *p) { + struct amdgpu_fpriv *fpriv = p->filp->driver_priv; struct amdgpu_ib *ib; int i, j, r; @@ -694,6 +695,7 @@ static int amdgpu_cs_dependencies(struct amdgpu_device *adev, for (j = 0; j < num_deps; ++j) { struct amdgpu_fence *fence; struct amdgpu_ring *ring; + struct amdgpu_ctx *ctx; r = amdgpu_cs_get_ring(adev, deps[j].ip_type, deps[j].ip_instance, @@ -701,14 +703,21 @@ static int amdgpu_cs_dependencies(struct amdgpu_device *adev, if (r) return r; + ctx = amdgpu_ctx_get(fpriv, deps[j].ctx_id); + if (ctx == NULL) + return -EINVAL; + r = amdgpu_fence_recreate(ring, p->filp, deps[j].handle, &fence); - if (r) + if (r) { + amdgpu_ctx_put(ctx); return r; + } amdgpu_sync_fence(&ib->sync, fence); amdgpu_fence_unref(&fence); + amdgpu_ctx_put(ctx); } } @@ -808,12 +817,16 @@ int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, r = amdgpu_cs_get_ring(adev, wait->in.ip_type, wait->in.ip_instance, wait->in.ring, &ring); - if (r) + if (r) { + amdgpu_ctx_put(ctx); return r; + } r = amdgpu_fence_recreate(ring, filp, wait->in.handle, &fence); - if (r) + if (r) { + amdgpu_ctx_put(ctx); return r; + } r = fence_wait_timeout(&fence->base, true, timeout); amdgpu_fence_unref(&fence); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index ba46be361c9b..d79009b65867 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1207,10 +1207,15 @@ static int amdgpu_early_init(struct amdgpu_device *adev) } else { if (adev->ip_blocks[i].funcs->early_init) { r = adev->ip_blocks[i].funcs->early_init((void *)adev); - if (r) + if (r == -ENOENT) + adev->ip_block_enabled[i] = false; + else if (r) return r; + else + adev->ip_block_enabled[i] = true; + } else { + adev->ip_block_enabled[i] = true; } - adev->ip_block_enabled[i] = true; } } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 5533434c7a8f..31ad444c6386 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -459,6 +459,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file memcpy(&dev_info.cu_bitmap[0], &cu_info.bitmap[0], sizeof(cu_info.bitmap)); dev_info.vram_type = adev->mc.vram_type; dev_info.vram_bit_width = adev->mc.vram_width; + dev_info.vce_harvest_config = adev->vce.harvest_config; return copy_to_user(out, &dev_info, min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0; diff --git a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c index f75a31df30bd..ace870afc7d4 100644 --- a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c @@ -494,29 +494,67 @@ static void cz_dpm_fini(struct amdgpu_device *adev) amdgpu_free_extended_power_table(adev); } +#define ixSMUSVI_NB_CURRENTVID 0xD8230044 +#define CURRENT_NB_VID_MASK 0xff000000 +#define CURRENT_NB_VID__SHIFT 24 +#define ixSMUSVI_GFX_CURRENTVID 0xD8230048 +#define CURRENT_GFX_VID_MASK 0xff000000 +#define CURRENT_GFX_VID__SHIFT 24 + static void cz_dpm_debugfs_print_current_performance_level(struct amdgpu_device *adev, struct seq_file *m) { + struct cz_power_info *pi = cz_get_pi(adev); struct amdgpu_clock_voltage_dependency_table *table = &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk; - u32 current_index = - (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) & - TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >> - TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT; - u32 sclk, tmp; - u16 vddc; - - if (current_index >= NUM_SCLK_LEVELS) { - seq_printf(m, "invalid dpm profile %d\n", current_index); + struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table = + &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table; + struct amdgpu_vce_clock_voltage_dependency_table *vce_table = + &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table; + u32 sclk_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX), + TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX); + u32 uvd_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX_2), + TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_UVD_INDEX); + u32 vce_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX_2), + TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_VCE_INDEX); + u32 sclk, vclk, dclk, ecclk, tmp; + u16 vddnb, vddgfx; + + if (sclk_index >= NUM_SCLK_LEVELS) { + seq_printf(m, "invalid sclk dpm profile %d\n", sclk_index); } else { - sclk = table->entries[current_index].clk; - tmp = (RREG32_SMC(ixSMU_VOLTAGE_STATUS) & - SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL_MASK) >> - SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL__SHIFT; - vddc = cz_convert_8bit_index_to_voltage(adev, (u16)tmp); - seq_printf(m, "power level %d sclk: %u vddc: %u\n", - current_index, sclk, vddc); + sclk = table->entries[sclk_index].clk; + seq_printf(m, "%u sclk: %u\n", sclk_index, sclk); + } + + tmp = (RREG32_SMC(ixSMUSVI_NB_CURRENTVID) & + CURRENT_NB_VID_MASK) >> CURRENT_NB_VID__SHIFT; + vddnb = cz_convert_8bit_index_to_voltage(adev, (u16)tmp); + tmp = (RREG32_SMC(ixSMUSVI_GFX_CURRENTVID) & + CURRENT_GFX_VID_MASK) >> CURRENT_GFX_VID__SHIFT; + vddgfx = cz_convert_8bit_index_to_voltage(adev, (u16)tmp); + seq_printf(m, "vddnb: %u vddgfx: %u\n", vddnb, vddgfx); + + seq_printf(m, "uvd %sabled\n", pi->uvd_power_gated ? "dis" : "en"); + if (!pi->uvd_power_gated) { + if (uvd_index >= CZ_MAX_HARDWARE_POWERLEVELS) { + seq_printf(m, "invalid uvd dpm level %d\n", uvd_index); + } else { + vclk = uvd_table->entries[uvd_index].vclk; + dclk = uvd_table->entries[uvd_index].dclk; + seq_printf(m, "%u uvd vclk: %u dclk: %u\n", uvd_index, vclk, dclk); + } + } + + seq_printf(m, "vce %sabled\n", pi->vce_power_gated ? "dis" : "en"); + if (!pi->vce_power_gated) { + if (vce_index >= CZ_MAX_HARDWARE_POWERLEVELS) { + seq_printf(m, "invalid vce dpm level %d\n", vce_index); + } else { + ecclk = vce_table->entries[vce_index].ecclk; + seq_printf(m, "%u vce ecclk: %u\n", vce_index, ecclk); + } } } @@ -1679,25 +1717,31 @@ static int cz_dpm_unforce_dpm_levels(struct amdgpu_device *adev) if (ret) return ret; - DRM_INFO("DPM unforce state min=%d, max=%d.\n", - pi->sclk_dpm.soft_min_clk, - pi->sclk_dpm.soft_max_clk); + DRM_DEBUG("DPM unforce state min=%d, max=%d.\n", + pi->sclk_dpm.soft_min_clk, + pi->sclk_dpm.soft_max_clk); return 0; } static int cz_dpm_force_dpm_level(struct amdgpu_device *adev, - enum amdgpu_dpm_forced_level level) + enum amdgpu_dpm_forced_level level) { int ret = 0; switch (level) { case AMDGPU_DPM_FORCED_LEVEL_HIGH: + ret = cz_dpm_unforce_dpm_levels(adev); + if (ret) + return ret; ret = cz_dpm_force_highest(adev); if (ret) return ret; break; case AMDGPU_DPM_FORCED_LEVEL_LOW: + ret = cz_dpm_unforce_dpm_levels(adev); + if (ret) + return ret; ret = cz_dpm_force_lowest(adev); if (ret) return ret; @@ -1711,6 +1755,8 @@ static int cz_dpm_force_dpm_level(struct amdgpu_device *adev, break; } + adev->pm.dpm.forced_level = level; + return ret; } diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index 6e77964f1b64..e70a26f587a0 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -2632,6 +2632,7 @@ static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode) struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + unsigned type; switch (mode) { case DRM_MODE_DPMS_ON: @@ -2640,6 +2641,9 @@ static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode) dce_v10_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); dce_v10_0_vga_enable(crtc, false); + /* Make sure VBLANK interrupt is still enabled */ + type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); + amdgpu_irq_update(adev, &adev->crtc_irq, type); drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id); dce_v10_0_crtc_load_lut(crtc); break; diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index 7f7abb0e0be5..dcb402ee048a 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -2631,6 +2631,7 @@ static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode) struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + unsigned type; switch (mode) { case DRM_MODE_DPMS_ON: @@ -2639,6 +2640,9 @@ static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode) dce_v11_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); dce_v11_0_vga_enable(crtc, false); + /* Make sure VBLANK interrupt is still enabled */ + type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); + amdgpu_irq_update(adev, &adev->crtc_irq, type); drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id); dce_v11_0_crtc_load_lut(crtc); break; diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index 08387dfd98a7..cc050a329c49 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -2566,6 +2566,7 @@ static void dce_v8_0_crtc_dpms(struct drm_crtc *crtc, int mode) struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + unsigned type; switch (mode) { case DRM_MODE_DPMS_ON: @@ -2574,6 +2575,9 @@ static void dce_v8_0_crtc_dpms(struct drm_crtc *crtc, int mode) dce_v8_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); dce_v8_0_vga_enable(crtc, false); + /* Make sure VBLANK interrupt is still enabled */ + type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); + amdgpu_irq_update(adev, &adev->crtc_irq, type); drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id); dce_v8_0_crtc_load_lut(crtc); break; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 7b683fb2173c..1c7c992dea37 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -1813,10 +1813,7 @@ static u32 gfx_v8_0_get_rb_disabled(struct amdgpu_device *adev, u32 data, mask; data = RREG32(mmCC_RB_BACKEND_DISABLE); - if (data & 1) - data &= CC_RB_BACKEND_DISABLE__BACKEND_DISABLE_MASK; - else - data = 0; + data &= CC_RB_BACKEND_DISABLE__BACKEND_DISABLE_MASK; data |= RREG32(mmGC_USER_RB_BACKEND_DISABLE); diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c index d62c4002e39c..d1064ca3670e 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c @@ -35,6 +35,8 @@ #include "oss/oss_2_0_d.h" #include "oss/oss_2_0_sh_mask.h" #include "gca/gfx_8_0_d.h" +#include "smu/smu_7_1_2_d.h" +#include "smu/smu_7_1_2_sh_mask.h" #define GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT 0x04 #define GRBM_GFX_INDEX__VCE_INSTANCE_MASK 0x10 @@ -112,6 +114,10 @@ static int vce_v3_0_start(struct amdgpu_device *adev) mutex_lock(&adev->grbm_idx_mutex); for (idx = 0; idx < 2; ++idx) { + + if (adev->vce.harvest_config & (1 << idx)) + continue; + if(idx == 0) WREG32_P(mmGRBM_GFX_INDEX, 0, ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK); @@ -190,10 +196,52 @@ static int vce_v3_0_start(struct amdgpu_device *adev) return 0; } +#define ixVCE_HARVEST_FUSE_MACRO__ADDRESS 0xC0014074 +#define VCE_HARVEST_FUSE_MACRO__SHIFT 27 +#define VCE_HARVEST_FUSE_MACRO__MASK 0x18000000 + +static unsigned vce_v3_0_get_harvest_config(struct amdgpu_device *adev) +{ + u32 tmp; + unsigned ret; + + if (adev->flags & AMDGPU_IS_APU) + tmp = (RREG32_SMC(ixVCE_HARVEST_FUSE_MACRO__ADDRESS) & + VCE_HARVEST_FUSE_MACRO__MASK) >> + VCE_HARVEST_FUSE_MACRO__SHIFT; + else + tmp = (RREG32_SMC(ixCC_HARVEST_FUSES) & + CC_HARVEST_FUSES__VCE_DISABLE_MASK) >> + CC_HARVEST_FUSES__VCE_DISABLE__SHIFT; + + switch (tmp) { + case 1: + ret = AMDGPU_VCE_HARVEST_VCE0; + break; + case 2: + ret = AMDGPU_VCE_HARVEST_VCE1; + break; + case 3: + ret = AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1; + break; + default: + ret = 0; + } + + return ret; +} + static int vce_v3_0_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + adev->vce.harvest_config = vce_v3_0_get_harvest_config(adev); + + if ((adev->vce.harvest_config & + (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) == + (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) + return -ENOENT; + vce_v3_0_set_ring_funcs(adev); vce_v3_0_set_irq_funcs(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index fa5a4448531d..68552da40287 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -122,6 +122,32 @@ static void vi_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v) spin_unlock_irqrestore(&adev->smc_idx_lock, flags); } +/* smu_8_0_d.h */ +#define mmMP0PUB_IND_INDEX 0x180 +#define mmMP0PUB_IND_DATA 0x181 + +static u32 cz_smc_rreg(struct amdgpu_device *adev, u32 reg) +{ + unsigned long flags; + u32 r; + + spin_lock_irqsave(&adev->smc_idx_lock, flags); + WREG32(mmMP0PUB_IND_INDEX, (reg)); + r = RREG32(mmMP0PUB_IND_DATA); + spin_unlock_irqrestore(&adev->smc_idx_lock, flags); + return r; +} + +static void cz_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v) +{ + unsigned long flags; + + spin_lock_irqsave(&adev->smc_idx_lock, flags); + WREG32(mmMP0PUB_IND_INDEX, (reg)); + WREG32(mmMP0PUB_IND_DATA, (v)); + spin_unlock_irqrestore(&adev->smc_idx_lock, flags); +} + static u32 vi_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg) { unsigned long flags; @@ -1222,8 +1248,13 @@ static int vi_common_early_init(void *handle) bool smc_enabled = false; struct amdgpu_device *adev = (struct amdgpu_device *)handle; - adev->smc_rreg = &vi_smc_rreg; - adev->smc_wreg = &vi_smc_wreg; + if (adev->flags & AMDGPU_IS_APU) { + adev->smc_rreg = &cz_smc_rreg; + adev->smc_wreg = &cz_smc_wreg; + } else { + adev->smc_rreg = &vi_smc_rreg; + adev->smc_wreg = &vi_smc_wreg; + } adev->pcie_rreg = &vi_pcie_rreg; adev->pcie_wreg = &vi_pcie_wreg; adev->uvd_ctx_rreg = &vi_uvd_ctx_rreg; diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index 42d2ffa08716..01ffe9bffe38 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -531,8 +531,6 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc, drm_crtc_vblank_off(crtc); - crtc->mode = *adj; - val = dcrtc->dumb_ctrl & ~CFG_DUMB_ENA; if (val != dcrtc->dumb_ctrl) { dcrtc->dumb_ctrl = val; diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c index 580e10acaa3a..60a688ef81c7 100644 --- a/drivers/gpu/drm/armada/armada_gem.c +++ b/drivers/gpu/drm/armada/armada_gem.c @@ -69,8 +69,9 @@ void armada_gem_free_object(struct drm_gem_object *obj) if (dobj->obj.import_attach) { /* We only ever display imported data */ - dma_buf_unmap_attachment(dobj->obj.import_attach, dobj->sgt, - DMA_TO_DEVICE); + if (dobj->sgt) + dma_buf_unmap_attachment(dobj->obj.import_attach, + dobj->sgt, DMA_TO_DEVICE); drm_prime_gem_destroy(&dobj->obj, NULL); } diff --git a/drivers/gpu/drm/armada/armada_overlay.c b/drivers/gpu/drm/armada/armada_overlay.c index c5b06fdb459c..e939faba7fcc 100644 --- a/drivers/gpu/drm/armada/armada_overlay.c +++ b/drivers/gpu/drm/armada/armada_overlay.c @@ -7,6 +7,7 @@ * published by the Free Software Foundation. */ #include <drm/drmP.h> +#include <drm/drm_plane_helper.h> #include "armada_crtc.h" #include "armada_drm.h" #include "armada_fb.h" @@ -85,16 +86,8 @@ static void armada_plane_vbl(struct armada_crtc *dcrtc, void *data) if (fb) armada_drm_queue_unref_work(dcrtc->crtc.dev, fb); -} -static unsigned armada_limit(int start, unsigned size, unsigned max) -{ - int end = start + size; - if (end < 0) - return 0; - if (start < 0) - start = 0; - return (unsigned)end > max ? max - start : end - start; + wake_up(&dplane->vbl.wait); } static int @@ -105,26 +98,39 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, { struct armada_plane *dplane = drm_to_armada_plane(plane); struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc); + struct drm_rect src = { + .x1 = src_x, + .y1 = src_y, + .x2 = src_x + src_w, + .y2 = src_y + src_h, + }; + struct drm_rect dest = { + .x1 = crtc_x, + .y1 = crtc_y, + .x2 = crtc_x + crtc_w, + .y2 = crtc_y + crtc_h, + }; + const struct drm_rect clip = { + .x2 = crtc->mode.hdisplay, + .y2 = crtc->mode.vdisplay, + }; uint32_t val, ctrl0; unsigned idx = 0; + bool visible; int ret; - crtc_w = armada_limit(crtc_x, crtc_w, dcrtc->crtc.mode.hdisplay); - crtc_h = armada_limit(crtc_y, crtc_h, dcrtc->crtc.mode.vdisplay); + ret = drm_plane_helper_check_update(plane, crtc, fb, &src, &dest, &clip, + 0, INT_MAX, true, false, &visible); + if (ret) + return ret; + ctrl0 = CFG_DMA_FMT(drm_fb_to_armada_fb(fb)->fmt) | CFG_DMA_MOD(drm_fb_to_armada_fb(fb)->mod) | CFG_CBSH_ENA | CFG_DMA_HSMOOTH | CFG_DMA_ENA; /* Does the position/size result in nothing to display? */ - if (crtc_w == 0 || crtc_h == 0) { + if (!visible) ctrl0 &= ~CFG_DMA_ENA; - } - - /* - * FIXME: if the starting point is off screen, we need to - * adjust src_x, src_y, src_w, src_h appropriately, and - * according to the scale. - */ if (!dcrtc->plane) { dcrtc->plane = plane; @@ -134,15 +140,19 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, /* FIXME: overlay on an interlaced display */ /* Just updating the position/size? */ if (plane->fb == fb && dplane->ctrl0 == ctrl0) { - val = (src_h & 0xffff0000) | src_w >> 16; + val = (drm_rect_height(&src) & 0xffff0000) | + drm_rect_width(&src) >> 16; dplane->src_hw = val; writel_relaxed(val, dcrtc->base + LCD_SPU_DMA_HPXL_VLN); - val = crtc_h << 16 | crtc_w; + + val = drm_rect_height(&dest) << 16 | drm_rect_width(&dest); dplane->dst_hw = val; writel_relaxed(val, dcrtc->base + LCD_SPU_DZM_HPXL_VLN); - val = crtc_y << 16 | crtc_x; + + val = dest.y1 << 16 | dest.x1; dplane->dst_yx = val; writel_relaxed(val, dcrtc->base + LCD_SPU_DMA_OVSA_HPXL_VLN); + return 0; } else if (~dplane->ctrl0 & ctrl0 & CFG_DMA_ENA) { /* Power up the Y/U/V FIFOs on ENA 0->1 transitions */ @@ -150,15 +160,14 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, dcrtc->base + LCD_SPU_SRAM_PARA1); } - ret = wait_event_timeout(dplane->vbl.wait, - list_empty(&dplane->vbl.update.node), - HZ/25); - if (ret < 0) - return ret; + wait_event_timeout(dplane->vbl.wait, + list_empty(&dplane->vbl.update.node), + HZ/25); if (plane->fb != fb) { struct armada_gem_object *obj = drm_fb_obj(fb); - uint32_t sy, su, sv; + uint32_t addr[3], pixel_format; + int i, num_planes, hsub; /* * Take a reference on the new framebuffer - we want to @@ -178,26 +187,39 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, older_fb); } - src_y >>= 16; - src_x >>= 16; - sy = obj->dev_addr + fb->offsets[0] + src_y * fb->pitches[0] + - src_x * fb->bits_per_pixel / 8; - su = obj->dev_addr + fb->offsets[1] + src_y * fb->pitches[1] + - src_x; - sv = obj->dev_addr + fb->offsets[2] + src_y * fb->pitches[2] + - src_x; + src_y = src.y1 >> 16; + src_x = src.x1 >> 16; - armada_reg_queue_set(dplane->vbl.regs, idx, sy, + pixel_format = fb->pixel_format; + hsub = drm_format_horz_chroma_subsampling(pixel_format); + num_planes = drm_format_num_planes(pixel_format); + + /* + * Annoyingly, shifting a YUYV-format image by one pixel + * causes the U/V planes to toggle. Toggle the UV swap. + * (Unfortunately, this causes momentary colour flickering.) + */ + if (src_x & (hsub - 1) && num_planes == 1) + ctrl0 ^= CFG_DMA_MOD(CFG_SWAPUV); + + for (i = 0; i < num_planes; i++) + addr[i] = obj->dev_addr + fb->offsets[i] + + src_y * fb->pitches[i] + + src_x * drm_format_plane_cpp(pixel_format, i); + for (; i < ARRAY_SIZE(addr); i++) + addr[i] = 0; + + armada_reg_queue_set(dplane->vbl.regs, idx, addr[0], LCD_SPU_DMA_START_ADDR_Y0); - armada_reg_queue_set(dplane->vbl.regs, idx, su, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[1], LCD_SPU_DMA_START_ADDR_U0); - armada_reg_queue_set(dplane->vbl.regs, idx, sv, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[2], LCD_SPU_DMA_START_ADDR_V0); - armada_reg_queue_set(dplane->vbl.regs, idx, sy, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[0], LCD_SPU_DMA_START_ADDR_Y1); - armada_reg_queue_set(dplane->vbl.regs, idx, su, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[1], LCD_SPU_DMA_START_ADDR_U1); - armada_reg_queue_set(dplane->vbl.regs, idx, sv, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[2], LCD_SPU_DMA_START_ADDR_V1); val = fb->pitches[0] << 16 | fb->pitches[0]; @@ -208,24 +230,27 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, LCD_SPU_DMA_PITCH_UV); } - val = (src_h & 0xffff0000) | src_w >> 16; + val = (drm_rect_height(&src) & 0xffff0000) | drm_rect_width(&src) >> 16; if (dplane->src_hw != val) { dplane->src_hw = val; armada_reg_queue_set(dplane->vbl.regs, idx, val, LCD_SPU_DMA_HPXL_VLN); } - val = crtc_h << 16 | crtc_w; + + val = drm_rect_height(&dest) << 16 | drm_rect_width(&dest); if (dplane->dst_hw != val) { dplane->dst_hw = val; armada_reg_queue_set(dplane->vbl.regs, idx, val, LCD_SPU_DZM_HPXL_VLN); } - val = crtc_y << 16 | crtc_x; + + val = dest.y1 << 16 | dest.x1; if (dplane->dst_yx != val) { dplane->dst_yx = val; armada_reg_queue_set(dplane->vbl.regs, idx, val, LCD_SPU_DMA_OVSA_HPXL_VLN); } + if (dplane->ctrl0 != ctrl0) { dplane->ctrl0 = ctrl0; armada_reg_queue_mod(dplane->vbl.regs, idx, ctrl0, @@ -279,7 +304,11 @@ static int armada_plane_disable(struct drm_plane *plane) static void armada_plane_destroy(struct drm_plane *plane) { - kfree(plane); + struct armada_plane *dplane = drm_to_armada_plane(plane); + + drm_plane_cleanup(plane); + + kfree(dplane); } static int armada_plane_set_property(struct drm_plane *plane, diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c index f69b92535505..5ae5c6923128 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c @@ -355,6 +355,7 @@ int atmel_hlcdc_crtc_create(struct drm_device *dev) planes->overlays[i]->base.possible_crtcs = 1 << crtc->id; drm_crtc_helper_add(&crtc->base, &lcdc_crtc_helper_funcs); + drm_crtc_vblank_reset(&crtc->base); dc->crtc = &crtc->base; diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c index 60b0c13d7ff5..6fad1f9648f3 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -313,20 +313,20 @@ static int atmel_hlcdc_dc_load(struct drm_device *dev) pm_runtime_enable(dev->dev); - ret = atmel_hlcdc_dc_modeset_init(dev); + ret = drm_vblank_init(dev, 1); if (ret < 0) { - dev_err(dev->dev, "failed to initialize mode setting\n"); + dev_err(dev->dev, "failed to initialize vblank\n"); goto err_periph_clk_disable; } - drm_mode_config_reset(dev); - - ret = drm_vblank_init(dev, 1); + ret = atmel_hlcdc_dc_modeset_init(dev); if (ret < 0) { - dev_err(dev->dev, "failed to initialize vblank\n"); + dev_err(dev->dev, "failed to initialize mode setting\n"); goto err_periph_clk_disable; } + drm_mode_config_reset(dev); + pm_runtime_get_sync(dev->dev); ret = drm_irq_install(dev, dc->hlcdc->irq); pm_runtime_put_sync(dev->dev); diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index b9ba06176eb1..fed748311b92 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -2706,8 +2706,11 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -EINVAL; - /* For some reason crtc x/y offsets are signed internally. */ - if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) + /* + * Universal plane src offsets are only 16.16, prevent havoc for + * drivers using universal plane code internally. + */ + if (crtc_req->x & 0xffff0000 || crtc_req->y & 0xffff0000) return -ERANGE; drm_modeset_lock_all(dev); @@ -5395,12 +5398,9 @@ void drm_mode_config_reset(struct drm_device *dev) if (encoder->funcs->reset) encoder->funcs->reset(encoder); - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - connector->status = connector_status_unknown; - + list_for_each_entry(connector, &dev->mode_config.connector_list, head) if (connector->funcs->reset) connector->funcs->reset(connector); - } } EXPORT_SYMBOL(drm_mode_config_reset); diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index aa8bbb460c57..9cfcd0aef0df 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -70,6 +70,8 @@ #define DRM_IOCTL_WAIT_VBLANK32 DRM_IOWR(0x3a, drm_wait_vblank32_t) +#define DRM_IOCTL_MODE_ADDFB232 DRM_IOWR(0xb8, drm_mode_fb_cmd232_t) + typedef struct drm_version_32 { int version_major; /**< Major version */ int version_minor; /**< Minor version */ @@ -1016,6 +1018,63 @@ static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, return 0; } +typedef struct drm_mode_fb_cmd232 { + u32 fb_id; + u32 width; + u32 height; + u32 pixel_format; + u32 flags; + u32 handles[4]; + u32 pitches[4]; + u32 offsets[4]; + u64 modifier[4]; +} __attribute__((packed)) drm_mode_fb_cmd232_t; + +static int compat_drm_mode_addfb2(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct drm_mode_fb_cmd232 __user *argp = (void __user *)arg; + struct drm_mode_fb_cmd232 req32; + struct drm_mode_fb_cmd2 __user *req64; + int i; + int err; + + if (copy_from_user(&req32, argp, sizeof(req32))) + return -EFAULT; + + req64 = compat_alloc_user_space(sizeof(*req64)); + + if (!access_ok(VERIFY_WRITE, req64, sizeof(*req64)) + || __put_user(req32.width, &req64->width) + || __put_user(req32.height, &req64->height) + || __put_user(req32.pixel_format, &req64->pixel_format) + || __put_user(req32.flags, &req64->flags)) + return -EFAULT; + + for (i = 0; i < 4; i++) { + if (__put_user(req32.handles[i], &req64->handles[i])) + return -EFAULT; + if (__put_user(req32.pitches[i], &req64->pitches[i])) + return -EFAULT; + if (__put_user(req32.offsets[i], &req64->offsets[i])) + return -EFAULT; + if (__put_user(req32.modifier[i], &req64->modifier[i])) + return -EFAULT; + } + + err = drm_ioctl(file, DRM_IOCTL_MODE_ADDFB2, (unsigned long)req64); + if (err) + return err; + + if (__get_user(req32.fb_id, &req64->fb_id)) + return -EFAULT; + + if (copy_to_user(argp, &req32, sizeof(req32))) + return -EFAULT; + + return 0; +} + static drm_ioctl_compat_t *drm_compat_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version, [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique, @@ -1048,6 +1107,7 @@ static drm_ioctl_compat_t *drm_compat_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW32)] = compat_drm_update_draw, #endif [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank, + [DRM_IOCTL_NR(DRM_IOCTL_MODE_ADDFB232)] = compat_drm_mode_addfb2, }; /** diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 542fac628b28..5f27290201e0 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -826,6 +826,7 @@ struct intel_context { struct kref ref; int user_handle; uint8_t remap_slice; + struct drm_i915_private *i915; struct drm_i915_file_private *file_priv; struct i915_ctx_hang_stats hang_stats; struct i915_hw_ppgtt *ppgtt; @@ -2036,8 +2037,6 @@ struct drm_i915_gem_object { unsigned int cache_level:3; unsigned int cache_dirty:1; - unsigned int has_dma_mapping:1; - unsigned int frontbuffer_bits:INTEL_FRONTBUFFER_BITS; unsigned int pin_display; @@ -3116,7 +3115,8 @@ void i915_debugfs_cleanup(struct drm_minor *minor); int i915_debugfs_connector_add(struct drm_connector *connector); void intel_display_crc_init(struct drm_device *dev); #else -static inline int i915_debugfs_connector_add(struct drm_connector *connector) {} +static inline int i915_debugfs_connector_add(struct drm_connector *connector) +{ return 0; } static inline void intel_display_crc_init(struct drm_device *dev) {} #endif diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 248fd1ac7b3a..52b446b27b4d 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -213,7 +213,6 @@ i915_gem_object_get_pages_phys(struct drm_i915_gem_object *obj) sg_dma_len(sg) = obj->base.size; obj->pages = st; - obj->has_dma_mapping = true; return 0; } @@ -265,8 +264,6 @@ i915_gem_object_put_pages_phys(struct drm_i915_gem_object *obj) sg_free_table(obj->pages); kfree(obj->pages); - - obj->has_dma_mapping = false; } static void @@ -2139,6 +2136,8 @@ i915_gem_object_put_pages_gtt(struct drm_i915_gem_object *obj) obj->base.read_domains = obj->base.write_domain = I915_GEM_DOMAIN_CPU; } + i915_gem_gtt_finish_object(obj); + if (i915_gem_object_needs_bit17_swizzle(obj)) i915_gem_object_save_bit_17_swizzle(obj); @@ -2199,6 +2198,7 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) struct sg_page_iter sg_iter; struct page *page; unsigned long last_pfn = 0; /* suppress gcc warning */ + int ret; gfp_t gfp; /* Assert that the object is not currently in any GPU domain. As it @@ -2246,8 +2246,10 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) */ i915_gem_shrink_all(dev_priv); page = shmem_read_mapping_page(mapping, i); - if (IS_ERR(page)) + if (IS_ERR(page)) { + ret = PTR_ERR(page); goto err_pages; + } } #ifdef CONFIG_SWIOTLB if (swiotlb_nr_tbl()) { @@ -2276,6 +2278,10 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) sg_mark_end(sg); obj->pages = st; + ret = i915_gem_gtt_prepare_object(obj); + if (ret) + goto err_pages; + if (i915_gem_object_needs_bit17_swizzle(obj)) i915_gem_object_do_bit_17_swizzle(obj); @@ -2300,10 +2306,10 @@ err_pages: * space and so want to translate the error from shmemfs back to our * usual understanding of ENOMEM. */ - if (PTR_ERR(page) == -ENOSPC) - return -ENOMEM; - else - return PTR_ERR(page); + if (ret == -ENOSPC) + ret = -ENOMEM; + + return ret; } /* Ensure that the associated pages are gathered from the backing storage @@ -2542,6 +2548,7 @@ int __i915_add_request(struct intel_engine_cs *ring, } request->emitted_jiffies = jiffies; + ring->last_submitted_seqno = request->seqno; list_add_tail(&request->list, &ring->request_list); request->file_priv = NULL; @@ -3247,10 +3254,8 @@ int i915_vma_unbind(struct i915_vma *vma) /* Since the unbound list is global, only move to that list if * no more VMAs exist. */ - if (list_empty(&obj->vma_list)) { - i915_gem_gtt_finish_object(obj); + if (list_empty(&obj->vma_list)) list_move_tail(&obj->global_list, &dev_priv->mm.unbound_list); - } /* And finally now the object is completely decoupled from this vma, * we can drop its hold on the backing storage and allow it to be @@ -3768,22 +3773,16 @@ search_free: goto err_remove_node; } - ret = i915_gem_gtt_prepare_object(obj); - if (ret) - goto err_remove_node; - trace_i915_vma_bind(vma, flags); ret = i915_vma_bind(vma, obj->cache_level, flags); if (ret) - goto err_finish_gtt; + goto err_remove_node; list_move_tail(&obj->global_list, &dev_priv->mm.bound_list); list_add_tail(&vma->mm_list, &vm->inactive_list); return vma; -err_finish_gtt: - i915_gem_gtt_finish_object(obj); err_remove_node: drm_mm_remove_node(&vma->node); err_free_vma: diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index d65cbe6afb92..48afa777e94a 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -135,8 +135,7 @@ static int get_context_size(struct drm_device *dev) void i915_gem_context_free(struct kref *ctx_ref) { - struct intel_context *ctx = container_of(ctx_ref, - typeof(*ctx), ref); + struct intel_context *ctx = container_of(ctx_ref, typeof(*ctx), ref); trace_i915_context_free(ctx); @@ -195,6 +194,7 @@ __create_hw_context(struct drm_device *dev, kref_init(&ctx->ref); list_add_tail(&ctx->link, &dev_priv->context_list); + ctx->i915 = dev_priv; if (dev_priv->hw_context_size) { struct drm_i915_gem_object *obj = diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c index 7998da27c500..e9c2bfd85b52 100644 --- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c @@ -256,7 +256,6 @@ static int i915_gem_object_get_pages_dmabuf(struct drm_i915_gem_object *obj) return PTR_ERR(sg); obj->pages = sg; - obj->has_dma_mapping = true; return 0; } @@ -264,7 +263,6 @@ static void i915_gem_object_put_pages_dmabuf(struct drm_i915_gem_object *obj) { dma_buf_unmap_attachment(obj->base.import_attach, obj->pages, DMA_BIDIRECTIONAL); - obj->has_dma_mapping = false; } static const struct drm_i915_gem_object_ops i915_gem_object_dmabuf_ops = { diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index dcc6a88c560e..56b52a4767d4 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1723,9 +1723,6 @@ void i915_gem_suspend_gtt_mappings(struct drm_device *dev) int i915_gem_gtt_prepare_object(struct drm_i915_gem_object *obj) { - if (obj->has_dma_mapping) - return 0; - if (!dma_map_sg(&obj->base.dev->pdev->dev, obj->pages->sgl, obj->pages->nents, PCI_DMA_BIDIRECTIONAL)) @@ -1972,10 +1969,8 @@ void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj) interruptible = do_idling(dev_priv); - if (!obj->has_dma_mapping) - dma_unmap_sg(&dev->pdev->dev, - obj->pages->sgl, obj->pages->nents, - PCI_DMA_BIDIRECTIONAL); + dma_unmap_sg(&dev->pdev->dev, obj->pages->sgl, obj->pages->nents, + PCI_DMA_BIDIRECTIONAL); undo_idling(dev_priv, interruptible); } diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 348ed5abcdbf..8b5b784c62fe 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -416,7 +416,6 @@ _i915_gem_object_create_stolen(struct drm_device *dev, if (obj->pages == NULL) goto cleanup; - obj->has_dma_mapping = true; i915_gem_object_pin_pages(obj); obj->stolen = stolen; diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index d61e74a08f82..633bd1fcab69 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -183,18 +183,8 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev) if (IS_GEN4(dev)) { uint32_t ddc2 = I915_READ(DCC2); - if (!(ddc2 & DCC2_MODIFIED_ENHANCED_DISABLE)) { - /* Since the swizzling may vary within an - * object, we have no idea what the swizzling - * is for any page in particular. Thus we - * cannot migrate tiled pages using the GPU, - * nor can we tell userspace what the exact - * swizzling is for any object. - */ + if (!(ddc2 & DCC2_MODIFIED_ENHANCED_DISABLE)) dev_priv->quirks |= QUIRK_PIN_SWIZZLED_PAGES; - swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN; - swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN; - } } if (dcc == 0xffffffff) { diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c index 1f4e5a32a16e..8fd431bcdfd3 100644 --- a/drivers/gpu/drm/i915/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/i915_gem_userptr.c @@ -545,6 +545,26 @@ err: return ret; } +static int +__i915_gem_userptr_set_pages(struct drm_i915_gem_object *obj, + struct page **pvec, int num_pages) +{ + int ret; + + ret = st_set_pages(&obj->pages, pvec, num_pages); + if (ret) + return ret; + + ret = i915_gem_gtt_prepare_object(obj); + if (ret) { + sg_free_table(obj->pages); + kfree(obj->pages); + obj->pages = NULL; + } + + return ret; +} + static void __i915_gem_userptr_get_pages_worker(struct work_struct *_work) { @@ -584,9 +604,12 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work) if (obj->userptr.work != &work->work) { ret = 0; } else if (pinned == num_pages) { - ret = st_set_pages(&obj->pages, pvec, num_pages); + ret = __i915_gem_userptr_set_pages(obj, pvec, num_pages); if (ret == 0) { list_add_tail(&obj->global_list, &to_i915(dev)->mm.unbound_list); + obj->get_page.sg = obj->pages->sgl; + obj->get_page.last = 0; + pinned = 0; } } @@ -693,7 +716,7 @@ i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj) } } } else { - ret = st_set_pages(&obj->pages, pvec, num_pages); + ret = __i915_gem_userptr_set_pages(obj, pvec, num_pages); if (ret == 0) { obj->userptr.work = NULL; pinned = 0; @@ -715,6 +738,8 @@ i915_gem_userptr_put_pages(struct drm_i915_gem_object *obj) if (obj->madv != I915_MADV_WILLNEED) obj->dirty = 0; + i915_gem_gtt_finish_object(obj); + for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) { struct page *page = sg_page_iter_page(&sg_iter); diff --git a/drivers/gpu/drm/i915/i915_ioc32.c b/drivers/gpu/drm/i915/i915_ioc32.c index 176de6322e4d..23aa04cded6b 100644 --- a/drivers/gpu/drm/i915/i915_ioc32.c +++ b/drivers/gpu/drm/i915/i915_ioc32.c @@ -204,7 +204,7 @@ long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) drm_ioctl_compat_t *fn = NULL; int ret; - if (nr < DRM_COMMAND_BASE) + if (nr < DRM_COMMAND_BASE || nr >= DRM_COMMAND_END) return drm_compat_ioctl(filp, cmd, arg); if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(i915_compat_ioctls)) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index e6bb72dca3ff..984e2fe6688c 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2706,18 +2706,11 @@ static void gen8_disable_vblank(struct drm_device *dev, int pipe) spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } -static struct drm_i915_gem_request * -ring_last_request(struct intel_engine_cs *ring) -{ - return list_entry(ring->request_list.prev, - struct drm_i915_gem_request, list); -} - static bool -ring_idle(struct intel_engine_cs *ring) +ring_idle(struct intel_engine_cs *ring, u32 seqno) { return (list_empty(&ring->request_list) || - i915_gem_request_completed(ring_last_request(ring), false)); + i915_seqno_passed(seqno, ring->last_submitted_seqno)); } static bool @@ -2939,7 +2932,7 @@ static void i915_hangcheck_elapsed(struct work_struct *work) acthd = intel_ring_get_active_head(ring); if (ring->hangcheck.seqno == seqno) { - if (ring_idle(ring)) { + if (ring_idle(ring, seqno)) { ring->hangcheck.action = HANGCHECK_IDLE; if (waitqueue_active(&ring->irq_queue)) { diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h index 497cba5deb1e..849a2590e010 100644 --- a/drivers/gpu/drm/i915/i915_trace.h +++ b/drivers/gpu/drm/i915/i915_trace.h @@ -727,7 +727,7 @@ DECLARE_EVENT_CLASS(i915_context, TP_fast_assign( __entry->ctx = ctx; __entry->vm = ctx->ppgtt ? &ctx->ppgtt->base : NULL; - __entry->dev = ctx->file_priv->dev_priv->dev->primary->index; + __entry->dev = ctx->i915->dev->primary->index; ), TP_printk("dev=%u, ctx=%p, ctx_vm=%p", diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index ba9321998a41..30e0f54ba19d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6315,9 +6315,6 @@ static void intel_crtc_disable(struct drm_crtc *crtc) struct drm_connector *connector; struct drm_i915_private *dev_priv = dev->dev_private; - /* crtc should still be enabled when we disable it. */ - WARN_ON(!crtc->state->enable); - intel_crtc_disable_planes(crtc); dev_priv->display.crtc_disable(crtc); dev_priv->display.off(crtc); @@ -12591,7 +12588,8 @@ static int __intel_set_mode(struct drm_crtc *modeset_crtc, continue; if (!crtc_state->enable) { - intel_crtc_disable(crtc); + if (crtc->state->enable) + intel_crtc_disable(crtc); } else if (crtc->state->enable) { intel_crtc_disable_planes(crtc); dev_priv->display.crtc_disable(crtc); @@ -13276,7 +13274,7 @@ intel_check_primary_plane(struct drm_plane *plane, if (ret) return ret; - if (crtc_state->base.active) { + if (crtc_state ? crtc_state->base.active : intel_crtc->active) { struct intel_plane_state *old_state = to_intel_plane_state(plane->state); diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index e539314ae87e..4be66f60504d 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -275,6 +275,13 @@ struct intel_engine_cs { * Do we have some not yet emitted requests outstanding? */ struct drm_i915_gem_request *outstanding_lazy_request; + /** + * Seqno of request most recently submitted to request_list. + * Used exclusively by hang checker to avoid grabbing lock while + * inspecting request list. + */ + u32 last_submitted_seqno; + bool gpu_caches_dirty; wait_queue_head_t irq_queue; diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index a6d8a3ee7750..260389acfb77 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1274,10 +1274,12 @@ int i915_reg_read_ioctl(struct drm_device *dev, struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_reg_read *reg = data; struct register_whitelist const *entry = whitelist; + unsigned size; + u64 offset; int i, ret = 0; for (i = 0; i < ARRAY_SIZE(whitelist); i++, entry++) { - if (entry->offset == reg->offset && + if (entry->offset == (reg->offset & -entry->size) && (1 << INTEL_INFO(dev)->gen & entry->gen_bitmask)) break; } @@ -1285,23 +1287,33 @@ int i915_reg_read_ioctl(struct drm_device *dev, if (i == ARRAY_SIZE(whitelist)) return -EINVAL; + /* We use the low bits to encode extra flags as the register should + * be naturally aligned (and those that are not so aligned merely + * limit the available flags for that register). + */ + offset = entry->offset; + size = entry->size; + size |= reg->offset ^ offset; + intel_runtime_pm_get(dev_priv); - switch (entry->size) { + switch (size) { + case 8 | 1: + reg->val = I915_READ64_2x32(offset, offset+4); + break; case 8: - reg->val = I915_READ64(reg->offset); + reg->val = I915_READ64(offset); break; case 4: - reg->val = I915_READ(reg->offset); + reg->val = I915_READ(offset); break; case 2: - reg->val = I915_READ16(reg->offset); + reg->val = I915_READ16(offset); break; case 1: - reg->val = I915_READ8(reg->offset); + reg->val = I915_READ8(offset); break; default: - MISSING_CASE(entry->size); ret = -EINVAL; goto out; } diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c index 214eceefc981..e671ad369416 100644 --- a/drivers/gpu/drm/imx/imx-tve.c +++ b/drivers/gpu/drm/imx/imx-tve.c @@ -301,7 +301,7 @@ static void imx_tve_encoder_prepare(struct drm_encoder *encoder) switch (tve->mode) { case TVE_MODE_VGA: - imx_drm_set_bus_format_pins(encoder, MEDIA_BUS_FMT_YUV8_1X24, + imx_drm_set_bus_format_pins(encoder, MEDIA_BUS_FMT_GBR888_1X24, tve->hsync_pin, tve->vsync_pin); break; case TVE_MODE_TVOUT: diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index 74a9ce40ddc4..b4deb9cf9d71 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -21,6 +21,7 @@ #include <drm/drm_panel.h> #include <linux/videodev2.h> #include <video/of_display_timing.h> +#include <linux/of_graph.h> #include "imx-drm.h" @@ -208,7 +209,7 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data) { struct drm_device *drm = data; struct device_node *np = dev->of_node; - struct device_node *panel_node; + struct device_node *port; const u8 *edidp; struct imx_parallel_display *imxpd; int ret; @@ -234,11 +235,19 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data) imxpd->bus_format = MEDIA_BUS_FMT_RGB666_1X24_CPADHI; } - panel_node = of_parse_phandle(np, "fsl,panel", 0); - if (panel_node) { - imxpd->panel = of_drm_find_panel(panel_node); - if (!imxpd->panel) - return -EPROBE_DEFER; + /* port@1 is the output port */ + port = of_graph_get_port_by_id(np, 1); + if (port) { + struct device_node *endpoint, *remote; + + endpoint = of_get_child_by_name(port, "endpoint"); + if (endpoint) { + remote = of_graph_get_remote_port_parent(endpoint); + if (remote) + imxpd->panel = of_drm_find_panel(remote); + if (!imxpd->panel) + return -EPROBE_DEFER; + } } imxpd->dev = dev; diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 8730562323a8..4a09947be244 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -5818,7 +5818,7 @@ int ci_dpm_init(struct radeon_device *rdev) tmp |= DPM_ENABLED; break; default: - DRM_ERROR("Invalid PCC GPIO: %u!\n", gpio.shift); + DRM_DEBUG("Invalid PCC GPIO: %u!\n", gpio.shift); break; } WREG32_SMC(CNB_PWRMGT_CNTL, tmp); diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index 5450fa95a47e..c4777c8d0312 100644 --- a/drivers/gpu/drm/radeon/radeon_gart.c +++ b/drivers/gpu/drm/radeon/radeon_gart.c @@ -260,8 +260,10 @@ void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset, } } } - mb(); - radeon_gart_tlb_flush(rdev); + if (rdev->gart.ptr) { + mb(); + radeon_gart_tlb_flush(rdev); + } } /** @@ -306,8 +308,10 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset, page_base += RADEON_GPU_PAGE_SIZE; } } - mb(); - radeon_gart_tlb_flush(rdev); + if (rdev->gart.ptr) { + mb(); + radeon_gart_tlb_flush(rdev); + } return 0; } diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 013ec7106e55..3dcc5733ff69 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -36,6 +36,7 @@ void radeon_gem_object_free(struct drm_gem_object *gobj) if (robj) { if (robj->gem_base.import_attach) drm_prime_gem_destroy(&robj->gem_base, robj->tbo.sg); + radeon_mn_unregister(robj); radeon_bo_unref(&robj); } } diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 318165d4855c..676362769b8d 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -75,7 +75,6 @@ static void radeon_ttm_bo_destroy(struct ttm_buffer_object *tbo) bo = container_of(tbo, struct radeon_bo, tbo); radeon_update_memory_usage(bo, bo->tbo.mem.mem_type, -1); - radeon_mn_unregister(bo); mutex_lock(&bo->rdev->gem.mutex); list_del_init(&bo->list); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 1dbdf3230dae..787cd8fd897f 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2926,6 +2926,7 @@ static struct si_dpm_quirk si_dpm_quirk_list[] = { /* PITCAIRN - https://bugs.freedesktop.org/show_bug.cgi?id=76490 */ { PCI_VENDOR_ID_ATI, 0x6810, 0x1462, 0x3036, 0, 120000 }, { PCI_VENDOR_ID_ATI, 0x6811, 0x174b, 0xe271, 0, 120000 }, + { PCI_VENDOR_ID_ATI, 0x6810, 0x174b, 0xe271, 85000, 90000 }, { 0, 0, 0, 0 }, }; diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c index 01b558fe3695..9a0c2911272a 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c @@ -555,7 +555,6 @@ static struct platform_driver rockchip_drm_platform_driver = { .probe = rockchip_drm_platform_probe, .remove = rockchip_drm_platform_remove, .driver = { - .owner = THIS_MODULE, .name = "rockchip-drm", .of_match_table = rockchip_drm_dt_ids, .pm = &rockchip_drm_pm_ops, diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index 77d52893d40f..002645bb5bbf 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -162,7 +162,8 @@ static void rockchip_drm_output_poll_changed(struct drm_device *dev) struct rockchip_drm_private *private = dev->dev_private; struct drm_fb_helper *fb_helper = &private->fbdev_helper; - drm_fb_helper_hotplug_event(fb_helper); + if (fb_helper) + drm_fb_helper_hotplug_event(fb_helper); } static const struct drm_mode_config_funcs rockchip_drm_mode_config_funcs = { diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index eb2282cc4a56..eba5f8a52fbd 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -54,55 +54,56 @@ static void rockchip_gem_free_buf(struct rockchip_gem_object *rk_obj) &rk_obj->dma_attrs); } -int rockchip_gem_mmap_buf(struct drm_gem_object *obj, - struct vm_area_struct *vma) +static int rockchip_drm_gem_object_mmap(struct drm_gem_object *obj, + struct vm_area_struct *vma) + { + int ret; struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj); struct drm_device *drm = obj->dev; - unsigned long vm_size; - vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP; - vm_size = vma->vm_end - vma->vm_start; - - if (vm_size > obj->size) - return -EINVAL; + /* + * dma_alloc_attrs() allocated a struct page table for rk_obj, so clear + * VM_PFNMAP flag that was set by drm_gem_mmap_obj()/drm_gem_mmap(). + */ + vma->vm_flags &= ~VM_PFNMAP; - return dma_mmap_attrs(drm->dev, vma, rk_obj->kvaddr, rk_obj->dma_addr, + ret = dma_mmap_attrs(drm->dev, vma, rk_obj->kvaddr, rk_obj->dma_addr, obj->size, &rk_obj->dma_attrs); + if (ret) + drm_gem_vm_close(vma); + + return ret; } -/* drm driver mmap file operations */ -int rockchip_gem_mmap(struct file *filp, struct vm_area_struct *vma) +int rockchip_gem_mmap_buf(struct drm_gem_object *obj, + struct vm_area_struct *vma) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->minor->dev; - struct drm_gem_object *obj; - struct drm_vma_offset_node *node; + struct drm_device *drm = obj->dev; int ret; - if (drm_device_is_unplugged(dev)) - return -ENODEV; + mutex_lock(&drm->struct_mutex); + ret = drm_gem_mmap_obj(obj, obj->size, vma); + mutex_unlock(&drm->struct_mutex); + if (ret) + return ret; - mutex_lock(&dev->struct_mutex); + return rockchip_drm_gem_object_mmap(obj, vma); +} - node = drm_vma_offset_exact_lookup(dev->vma_offset_manager, - vma->vm_pgoff, - vma_pages(vma)); - if (!node) { - mutex_unlock(&dev->struct_mutex); - DRM_ERROR("failed to find vma node.\n"); - return -EINVAL; - } else if (!drm_vma_node_is_allowed(node, filp)) { - mutex_unlock(&dev->struct_mutex); - return -EACCES; - } +/* drm driver mmap file operations */ +int rockchip_gem_mmap(struct file *filp, struct vm_area_struct *vma) +{ + struct drm_gem_object *obj; + int ret; - obj = container_of(node, struct drm_gem_object, vma_node); - ret = rockchip_gem_mmap_buf(obj, vma); + ret = drm_gem_mmap(filp, vma); + if (ret) + return ret; - mutex_unlock(&dev->struct_mutex); + obj = vma->vm_private_data; - return ret; + return rockchip_drm_gem_object_mmap(obj, vma); } struct rockchip_gem_object * diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index dc65161d7cad..34b78e736532 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -170,6 +170,7 @@ struct vop_win_phy { struct vop_reg enable; struct vop_reg format; + struct vop_reg rb_swap; struct vop_reg act_info; struct vop_reg dsp_info; struct vop_reg dsp_st; @@ -199,8 +200,12 @@ struct vop_data { static const uint32_t formats_01[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_XBGR8888, + DRM_FORMAT_ABGR8888, DRM_FORMAT_RGB888, + DRM_FORMAT_BGR888, DRM_FORMAT_RGB565, + DRM_FORMAT_BGR565, DRM_FORMAT_NV12, DRM_FORMAT_NV16, DRM_FORMAT_NV24, @@ -209,8 +214,12 @@ static const uint32_t formats_01[] = { static const uint32_t formats_234[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_XBGR8888, + DRM_FORMAT_ABGR8888, DRM_FORMAT_RGB888, + DRM_FORMAT_BGR888, DRM_FORMAT_RGB565, + DRM_FORMAT_BGR565, }; static const struct vop_win_phy win01_data = { @@ -218,6 +227,7 @@ static const struct vop_win_phy win01_data = { .nformats = ARRAY_SIZE(formats_01), .enable = VOP_REG(WIN0_CTRL0, 0x1, 0), .format = VOP_REG(WIN0_CTRL0, 0x7, 1), + .rb_swap = VOP_REG(WIN0_CTRL0, 0x1, 12), .act_info = VOP_REG(WIN0_ACT_INFO, 0x1fff1fff, 0), .dsp_info = VOP_REG(WIN0_DSP_INFO, 0x0fff0fff, 0), .dsp_st = VOP_REG(WIN0_DSP_ST, 0x1fff1fff, 0), @@ -234,6 +244,7 @@ static const struct vop_win_phy win23_data = { .nformats = ARRAY_SIZE(formats_234), .enable = VOP_REG(WIN2_CTRL0, 0x1, 0), .format = VOP_REG(WIN2_CTRL0, 0x7, 1), + .rb_swap = VOP_REG(WIN2_CTRL0, 0x1, 12), .dsp_info = VOP_REG(WIN2_DSP_INFO0, 0x0fff0fff, 0), .dsp_st = VOP_REG(WIN2_DSP_ST0, 0x1fff1fff, 0), .yrgb_mst = VOP_REG(WIN2_MST0, 0xffffffff, 0), @@ -242,15 +253,6 @@ static const struct vop_win_phy win23_data = { .dst_alpha_ctl = VOP_REG(WIN2_DST_ALPHA_CTRL, 0xff, 0), }; -static const struct vop_win_phy cursor_data = { - .data_formats = formats_234, - .nformats = ARRAY_SIZE(formats_234), - .enable = VOP_REG(HWC_CTRL0, 0x1, 0), - .format = VOP_REG(HWC_CTRL0, 0x7, 1), - .dsp_st = VOP_REG(HWC_DSP_ST, 0x1fff1fff, 0), - .yrgb_mst = VOP_REG(HWC_MST, 0xffffffff, 0), -}; - static const struct vop_ctrl ctrl_data = { .standby = VOP_REG(SYS_CTRL, 0x1, 22), .gate_en = VOP_REG(SYS_CTRL, 0x1, 23), @@ -282,14 +284,14 @@ static const struct vop_reg_data vop_init_reg_table[] = { /* * Note: rk3288 has a dedicated 'cursor' window, however, that window requires * special support to get alpha blending working. For now, just use overlay - * window 1 for the drm cursor. + * window 3 for the drm cursor. + * */ static const struct vop_win_data rk3288_vop_win_data[] = { { .base = 0x00, .phy = &win01_data, .type = DRM_PLANE_TYPE_PRIMARY }, - { .base = 0x40, .phy = &win01_data, .type = DRM_PLANE_TYPE_CURSOR }, + { .base = 0x40, .phy = &win01_data, .type = DRM_PLANE_TYPE_OVERLAY }, { .base = 0x00, .phy = &win23_data, .type = DRM_PLANE_TYPE_OVERLAY }, - { .base = 0x50, .phy = &win23_data, .type = DRM_PLANE_TYPE_OVERLAY }, - { .base = 0x00, .phy = &cursor_data, .type = DRM_PLANE_TYPE_OVERLAY }, + { .base = 0x50, .phy = &win23_data, .type = DRM_PLANE_TYPE_CURSOR }, }; static const struct vop_data rk3288_vop = { @@ -352,15 +354,32 @@ static inline void vop_mask_write_relaxed(struct vop *vop, uint32_t offset, } } +static bool has_rb_swapped(uint32_t format) +{ + switch (format) { + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + case DRM_FORMAT_BGR888: + case DRM_FORMAT_BGR565: + return true; + default: + return false; + } +} + static enum vop_data_format vop_convert_format(uint32_t format) { switch (format) { case DRM_FORMAT_XRGB8888: case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: return VOP_FMT_ARGB8888; case DRM_FORMAT_RGB888: + case DRM_FORMAT_BGR888: return VOP_FMT_RGB888; case DRM_FORMAT_RGB565: + case DRM_FORMAT_BGR565: return VOP_FMT_RGB565; case DRM_FORMAT_NV12: return VOP_FMT_YUV420SP; @@ -378,6 +397,7 @@ static bool is_alpha_support(uint32_t format) { switch (format) { case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_ABGR8888: return true; default: return false; @@ -588,6 +608,7 @@ static int vop_update_plane_event(struct drm_plane *plane, enum vop_data_format format; uint32_t val; bool is_alpha; + bool rb_swap; bool visible; int ret; struct drm_rect dest = { @@ -621,6 +642,7 @@ static int vop_update_plane_event(struct drm_plane *plane, return 0; is_alpha = is_alpha_support(fb->pixel_format); + rb_swap = has_rb_swapped(fb->pixel_format); format = vop_convert_format(fb->pixel_format); if (format < 0) return format; @@ -689,6 +711,7 @@ static int vop_update_plane_event(struct drm_plane *plane, val = (dsp_sty - 1) << 16; val |= (dsp_stx - 1) & 0xffff; VOP_WIN_SET(vop, win, dsp_st, val); + VOP_WIN_SET(vop, win, rb_swap, rb_swap); if (is_alpha) { VOP_WIN_SET(vop, win, dst_alpha_ctl, diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 882cccdad272..ac6fe40b99f7 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -490,7 +490,8 @@ pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp) else if (boot_cpu_data.x86 > 3) tmp = pgprot_noncached(tmp); #endif -#if defined(__ia64__) || defined(__arm__) || defined(__powerpc__) +#if defined(__ia64__) || defined(__arm__) || defined(__aarch64__) || \ + defined(__powerpc__) if (caching_flags & TTM_PL_FLAG_WC) tmp = pgprot_writecombine(tmp); else diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c index 3077f1554099..624d941aaad1 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c @@ -963,14 +963,13 @@ void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev) } else { pool->npages_free += count; list_splice(&ttm_dma->pages_list, &pool->free_list); - npages = count; - if (pool->npages_free > _manager->options.max_size) { + /* + * Wait to have at at least NUM_PAGES_TO_ALLOC number of pages + * to free in order to minimize calls to set_memory_wb(). + */ + if (pool->npages_free >= (_manager->options.max_size + + NUM_PAGES_TO_ALLOC)) npages = pool->npages_free - _manager->options.max_size; - /* free at least NUM_PAGES_TO_ALLOC number of pages - * to reduce calls to set_memory_wb */ - if (npages < NUM_PAGES_TO_ALLOC) - npages = NUM_PAGES_TO_ALLOC; - } } spin_unlock_irqrestore(&pool->lock, irq_flags); diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index 6d2f39d36e44..00f2058944e5 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -1107,6 +1107,9 @@ static int ipu_irq_init(struct ipu_soc *ipu) return ret; } + for (i = 0; i < IPU_NUM_IRQS; i += 32) + ipu_cm_write(ipu, 0, IPU_INT_CTRL(i / 32)); + for (i = 0; i < IPU_NUM_IRQS; i += 32) { gc = irq_get_domain_generic_chip(ipu->domain, i); gc->reg_base = ipu->cm_reg; diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c index 3318de690e00..a2dbbbe0d8d7 100644 --- a/drivers/hid/hid-cp2112.c +++ b/drivers/hid/hid-cp2112.c @@ -356,6 +356,8 @@ static int cp2112_read(struct cp2112_device *dev, u8 *data, size_t size) struct cp2112_force_read_report report; int ret; + if (size > sizeof(dev->read_data)) + size = sizeof(dev->read_data); report.report = CP2112_DATA_READ_FORCE_SEND; report.length = cpu_to_be16(size); diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 6a9b05b328a9..7c811252c1ce 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -778,9 +778,16 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, /* * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" * for the stylus. + * The check for mt_report_id ensures we don't process + * HID_DG_CONTACTCOUNT from the pen report as it is outside the physical + * collection, but within the report ID. */ if (field->physical == HID_DG_STYLUS) return 0; + else if ((field->physical == 0) && + (field->report->id != td->mt_report_id) && + (td->mt_report_id != -1)) + return 0; if (field->application == HID_DG_TOUCHSCREEN || field->application == HID_DG_TOUCHPAD) diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 53e7de7cb9e2..20f9a653444c 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -87,6 +87,9 @@ static const struct hid_blacklist { { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOUSE_C05A, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOUSE_C06A, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_SURFACE_PRO_2, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_2, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3_JP, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER, HID_QUIRK_NO_INIT_REPORTS }, diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 4c0ffca97bef..44958d79d598 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -1271,11 +1271,13 @@ fail_leds: pad_input_dev = NULL; wacom_wac->pad_registered = false; fail_register_pad_input: - input_unregister_device(touch_input_dev); + if (touch_input_dev) + input_unregister_device(touch_input_dev); wacom_wac->touch_input = NULL; wacom_wac->touch_registered = false; fail_register_touch_input: - input_unregister_device(pen_input_dev); + if (pen_input_dev) + input_unregister_device(pen_input_dev); wacom_wac->pen_input = NULL; wacom_wac->pen_registered = false; fail_register_pen_input: diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 232da89f4e88..0d244239e55d 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -2213,6 +2213,9 @@ void wacom_setup_device_quirks(struct wacom *wacom) features->x_max = 4096; features->y_max = 4096; } + else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) { + features->device_type |= WACOM_DEVICETYPE_PAD; + } } /* diff --git a/drivers/iio/accel/bmc150-accel.c b/drivers/iio/accel/bmc150-accel.c index 4e70f51c2370..cc5a35750b50 100644 --- a/drivers/iio/accel/bmc150-accel.c +++ b/drivers/iio/accel/bmc150-accel.c @@ -1464,7 +1464,7 @@ static void bmc150_accel_unregister_triggers(struct bmc150_accel_data *data, { int i; - for (i = from; i >= 0; i++) { + for (i = from; i >= 0; i--) { if (data->triggers[i].indio_trig) { iio_trigger_unregister(data->triggers[i].indio_trig); data->triggers[i].indio_trig = NULL; diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index e8e2077c7244..13ea1ea23328 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -557,21 +557,21 @@ static void mma8452_transient_interrupt(struct iio_dev *indio_dev) if (src & MMA8452_TRANSIENT_SRC_XTRANSE) iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_X, - IIO_EV_TYPE_THRESH, + IIO_EV_TYPE_MAG, IIO_EV_DIR_RISING), ts); if (src & MMA8452_TRANSIENT_SRC_YTRANSE) iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_Y, - IIO_EV_TYPE_THRESH, + IIO_EV_TYPE_MAG, IIO_EV_DIR_RISING), ts); if (src & MMA8452_TRANSIENT_SRC_ZTRANSE) iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_Z, - IIO_EV_TYPE_THRESH, + IIO_EV_TYPE_MAG, IIO_EV_DIR_RISING), ts); } @@ -644,7 +644,7 @@ static int mma8452_reg_access_dbg(struct iio_dev *indio_dev, static const struct iio_event_spec mma8452_transient_event[] = { { - .type = IIO_EV_TYPE_THRESH, + .type = IIO_EV_TYPE_MAG, .dir = IIO_EV_DIR_RISING, .mask_separate = BIT(IIO_EV_INFO_ENABLE), .mask_shared_by_type = BIT(IIO_EV_INFO_VALUE) | diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 7c5565891cb8..eb0cd897714a 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -153,8 +153,7 @@ config DA9150_GPADC config CC10001_ADC tristate "Cosmic Circuits 10001 ADC driver" - depends on HAVE_CLK || REGULATOR - depends on HAS_IOMEM + depends on HAS_IOMEM && HAVE_CLK && REGULATOR select IIO_BUFFER select IIO_TRIGGERED_BUFFER help diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 8a0eb4a04fb5..7b40925dd4ff 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -182,7 +182,7 @@ struct at91_adc_caps { u8 ts_pen_detect_sensitivity; /* startup time calculate function */ - u32 (*calc_startup_ticks)(u8 startup_time, u32 adc_clk_khz); + u32 (*calc_startup_ticks)(u32 startup_time, u32 adc_clk_khz); u8 num_channels; struct at91_adc_reg_desc registers; @@ -201,7 +201,7 @@ struct at91_adc_state { u8 num_channels; void __iomem *reg_base; struct at91_adc_reg_desc *registers; - u8 startup_time; + u32 startup_time; u8 sample_hold_time; bool sleep_mode; struct iio_trigger **trig; @@ -779,7 +779,7 @@ ret: return ret; } -static u32 calc_startup_ticks_9260(u8 startup_time, u32 adc_clk_khz) +static u32 calc_startup_ticks_9260(u32 startup_time, u32 adc_clk_khz) { /* * Number of ticks needed to cover the startup time of the ADC @@ -790,7 +790,7 @@ static u32 calc_startup_ticks_9260(u8 startup_time, u32 adc_clk_khz) return round_up((startup_time * adc_clk_khz / 1000) - 1, 8) / 8; } -static u32 calc_startup_ticks_9x5(u8 startup_time, u32 adc_clk_khz) +static u32 calc_startup_ticks_9x5(u32 startup_time, u32 adc_clk_khz) { /* * For sama5d3x and at91sam9x5, the formula changes to: diff --git a/drivers/iio/adc/mcp320x.c b/drivers/iio/adc/mcp320x.c index 8d9c9b9215dd..d819823f7257 100644 --- a/drivers/iio/adc/mcp320x.c +++ b/drivers/iio/adc/mcp320x.c @@ -299,6 +299,8 @@ static int mcp320x_probe(struct spi_device *spi) indio_dev->channels = chip_info->channels; indio_dev->num_channels = chip_info->num_channels; + adc->chip_info = chip_info; + adc->transfer[0].tx_buf = &adc->tx_buf; adc->transfer[0].len = sizeof(adc->tx_buf); adc->transfer[1].rx_buf = adc->rx_buf; diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index 8d4e019ea4ca..9c311c1e1ac7 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -349,3 +349,7 @@ static struct platform_driver rockchip_saradc_driver = { }; module_platform_driver(rockchip_saradc_driver); + +MODULE_AUTHOR("Heiko Stuebner <heiko@sntech.de>"); +MODULE_DESCRIPTION("Rockchip SARADC driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c index 06f4792240f0..ebe415f10640 100644 --- a/drivers/iio/adc/twl4030-madc.c +++ b/drivers/iio/adc/twl4030-madc.c @@ -833,7 +833,8 @@ static int twl4030_madc_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, twl4030_madc_threaded_irq_handler, - IRQF_TRIGGER_RISING, "twl4030_madc", madc); + IRQF_TRIGGER_RISING | IRQF_ONESHOT, + "twl4030_madc", madc); if (ret) { dev_err(&pdev->dev, "could not request irq\n"); goto err_i2c; diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c index 480f335a0f9f..819632bf1fda 100644 --- a/drivers/iio/adc/vf610_adc.c +++ b/drivers/iio/adc/vf610_adc.c @@ -635,7 +635,7 @@ static int vf610_adc_reg_access(struct iio_dev *indio_dev, struct vf610_adc *info = iio_priv(indio_dev); if ((readval == NULL) || - (!(reg % 4) || (reg > VF610_REG_ADC_PCTL))) + ((reg % 4) || (reg > VF610_REG_ADC_PCTL))) return -EINVAL; *readval = readl(info->regs + reg); diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index 610fc98f88ef..595511022795 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -36,6 +36,8 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state) s32 poll_value = 0; if (state) { + if (!atomic_read(&st->user_requested_state)) + return 0; if (sensor_hub_device_open(st->hsdev)) return -EIO; @@ -52,8 +54,12 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state) poll_value = hid_sensor_read_poll_value(st); } else { - if (!atomic_dec_and_test(&st->data_ready)) + int val; + + val = atomic_dec_if_positive(&st->data_ready); + if (val < 0) return 0; + sensor_hub_device_close(st->hsdev); state_val = hid_sensor_get_usage_index(st->hsdev, st->power_state.report_id, @@ -92,9 +98,11 @@ EXPORT_SYMBOL(hid_sensor_power_state); int hid_sensor_power_state(struct hid_sensor_common *st, bool state) { + #ifdef CONFIG_PM int ret; + atomic_set(&st->user_requested_state, state); if (state) ret = pm_runtime_get_sync(&st->pdev->dev); else { @@ -109,6 +117,7 @@ int hid_sensor_power_state(struct hid_sensor_common *st, bool state) return 0; #else + atomic_set(&st->user_requested_state, state); return _hid_sensor_power_state(st, state); #endif } diff --git a/drivers/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c index 61bb9d4239ea..e98428df0d44 100644 --- a/drivers/iio/dac/ad5624r_spi.c +++ b/drivers/iio/dac/ad5624r_spi.c @@ -22,7 +22,7 @@ #include "ad5624r.h" static int ad5624r_spi_write(struct spi_device *spi, - u8 cmd, u8 addr, u16 val, u8 len) + u8 cmd, u8 addr, u16 val, u8 shift) { u32 data; u8 msg[3]; @@ -35,7 +35,7 @@ static int ad5624r_spi_write(struct spi_device *spi, * 14-, 12-bit input code followed by 0, 2, or 4 don't care bits, * for the AD5664R, AD5644R, and AD5624R, respectively. */ - data = (0 << 22) | (cmd << 19) | (addr << 16) | (val << (16 - len)); + data = (0 << 22) | (cmd << 19) | (addr << 16) | (val << shift); msg[0] = data >> 16; msg[1] = data >> 8; msg[2] = data; diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index 17d4bb15be4d..65ce86837177 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -431,6 +431,23 @@ static int inv_mpu6050_write_gyro_scale(struct inv_mpu6050_state *st, int val) return -EINVAL; } +static int inv_write_raw_get_fmt(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, long mask) +{ + switch (mask) { + case IIO_CHAN_INFO_SCALE: + switch (chan->type) { + case IIO_ANGL_VEL: + return IIO_VAL_INT_PLUS_NANO; + default: + return IIO_VAL_INT_PLUS_MICRO; + } + default: + return IIO_VAL_INT_PLUS_MICRO; + } + + return -EINVAL; +} static int inv_mpu6050_write_accel_scale(struct inv_mpu6050_state *st, int val) { int result, i; @@ -696,6 +713,7 @@ static const struct iio_info mpu_info = { .driver_module = THIS_MODULE, .read_raw = &inv_mpu6050_read_raw, .write_raw = &inv_mpu6050_write_raw, + .write_raw_get_fmt = &inv_write_raw_get_fmt, .attrs = &inv_attribute_group, .validate_trigger = inv_mpu6050_validate_trigger, }; diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig index e6198b7c9cbf..a5c59251ec0e 100644 --- a/drivers/iio/light/Kconfig +++ b/drivers/iio/light/Kconfig @@ -188,6 +188,7 @@ config SENSORS_LM3533 config LTR501 tristate "LTR-501ALS-01 light sensor" depends on I2C + select REGMAP_I2C select IIO_BUFFER select IIO_TRIGGERED_BUFFER help @@ -201,6 +202,7 @@ config LTR501 config STK3310 tristate "STK3310 ALS and proximity sensor" depends on I2C + select REGMAP_I2C help Say yes here to get support for the Sensortek STK3310 ambient light and proximity sensor. The STK3311 model is also supported by this diff --git a/drivers/iio/light/cm3323.c b/drivers/iio/light/cm3323.c index 869033e48a1f..a1d4905cc9d2 100644 --- a/drivers/iio/light/cm3323.c +++ b/drivers/iio/light/cm3323.c @@ -123,7 +123,7 @@ static int cm3323_set_it_bits(struct cm3323_data *data, int val, int val2) for (i = 0; i < ARRAY_SIZE(cm3323_int_time); i++) { if (val == cm3323_int_time[i].val && val2 == cm3323_int_time[i].val2) { - reg_conf = data->reg_conf; + reg_conf = data->reg_conf & ~CM3323_CONF_IT_MASK; reg_conf |= i << CM3323_CONF_IT_SHIFT; ret = i2c_smbus_write_word_data(data->client, diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c index 1ef7d3773ab9..b5a0e66b5f28 100644 --- a/drivers/iio/light/ltr501.c +++ b/drivers/iio/light/ltr501.c @@ -1302,7 +1302,7 @@ static int ltr501_init(struct ltr501_data *data) if (ret < 0) return ret; - data->als_contr = ret | data->chip_info->als_mode_active; + data->als_contr = status | data->chip_info->als_mode_active; ret = regmap_read(data->regmap, LTR501_PS_CONTR, &status); if (ret < 0) diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c index fee4297d7c8f..11a027adc204 100644 --- a/drivers/iio/light/stk3310.c +++ b/drivers/iio/light/stk3310.c @@ -43,7 +43,6 @@ #define STK3311_CHIP_ID_VAL 0x1D #define STK3310_PSINT_EN 0x01 #define STK3310_PS_MAX_VAL 0xFFFF -#define STK3310_THRESH_MAX 0xFFFF #define STK3310_DRIVER_NAME "stk3310" #define STK3310_REGMAP_NAME "stk3310_regmap" @@ -84,15 +83,13 @@ static const struct reg_field stk3310_reg_field_flag_psint = REG_FIELD(STK3310_REG_FLAG, 4, 4); static const struct reg_field stk3310_reg_field_flag_nf = REG_FIELD(STK3310_REG_FLAG, 0, 0); -/* - * Maximum PS values with regard to scale. Used to export the 'inverse' - * PS value (high values for far objects, low values for near objects). - */ + +/* Estimate maximum proximity values with regard to measurement scale. */ static const int stk3310_ps_max[4] = { - STK3310_PS_MAX_VAL / 64, - STK3310_PS_MAX_VAL / 16, - STK3310_PS_MAX_VAL / 4, - STK3310_PS_MAX_VAL, + STK3310_PS_MAX_VAL / 640, + STK3310_PS_MAX_VAL / 160, + STK3310_PS_MAX_VAL / 40, + STK3310_PS_MAX_VAL / 10 }; static const int stk3310_scale_table[][2] = { @@ -128,14 +125,14 @@ static const struct iio_event_spec stk3310_events[] = { /* Proximity event */ { .type = IIO_EV_TYPE_THRESH, - .dir = IIO_EV_DIR_FALLING, + .dir = IIO_EV_DIR_RISING, .mask_separate = BIT(IIO_EV_INFO_VALUE) | BIT(IIO_EV_INFO_ENABLE), }, /* Out-of-proximity event */ { .type = IIO_EV_TYPE_THRESH, - .dir = IIO_EV_DIR_RISING, + .dir = IIO_EV_DIR_FALLING, .mask_separate = BIT(IIO_EV_INFO_VALUE) | BIT(IIO_EV_INFO_ENABLE), }, @@ -203,25 +200,18 @@ static int stk3310_read_event(struct iio_dev *indio_dev, int *val, int *val2) { u8 reg; - u16 buf; + __be16 buf; int ret; - unsigned int index; struct stk3310_data *data = iio_priv(indio_dev); if (info != IIO_EV_INFO_VALUE) return -EINVAL; - /* - * Only proximity interrupts are implemented at the moment. - * Since we're inverting proximity values, the sensor's 'high' - * threshold will become our 'low' threshold, associated with - * 'near' events. Similarly, the sensor's 'low' threshold will - * be our 'high' threshold, associated with 'far' events. - */ + /* Only proximity interrupts are implemented at the moment. */ if (dir == IIO_EV_DIR_RISING) - reg = STK3310_REG_THDL_PS; - else if (dir == IIO_EV_DIR_FALLING) reg = STK3310_REG_THDH_PS; + else if (dir == IIO_EV_DIR_FALLING) + reg = STK3310_REG_THDL_PS; else return -EINVAL; @@ -232,8 +222,7 @@ static int stk3310_read_event(struct iio_dev *indio_dev, dev_err(&data->client->dev, "register read failed\n"); return ret; } - regmap_field_read(data->reg_ps_gain, &index); - *val = swab16(stk3310_ps_max[index] - buf); + *val = be16_to_cpu(buf); return IIO_VAL_INT; } @@ -246,7 +235,7 @@ static int stk3310_write_event(struct iio_dev *indio_dev, int val, int val2) { u8 reg; - u16 buf; + __be16 buf; int ret; unsigned int index; struct stk3310_data *data = iio_priv(indio_dev); @@ -257,13 +246,13 @@ static int stk3310_write_event(struct iio_dev *indio_dev, return -EINVAL; if (dir == IIO_EV_DIR_RISING) - reg = STK3310_REG_THDL_PS; - else if (dir == IIO_EV_DIR_FALLING) reg = STK3310_REG_THDH_PS; + else if (dir == IIO_EV_DIR_FALLING) + reg = STK3310_REG_THDL_PS; else return -EINVAL; - buf = swab16(stk3310_ps_max[index] - val); + buf = cpu_to_be16(val); ret = regmap_bulk_write(data->regmap, reg, &buf, 2); if (ret < 0) dev_err(&client->dev, "failed to set PS threshold!\n"); @@ -312,7 +301,7 @@ static int stk3310_read_raw(struct iio_dev *indio_dev, int *val, int *val2, long mask) { u8 reg; - u16 buf; + __be16 buf; int ret; unsigned int index; struct stk3310_data *data = iio_priv(indio_dev); @@ -333,15 +322,7 @@ static int stk3310_read_raw(struct iio_dev *indio_dev, mutex_unlock(&data->lock); return ret; } - *val = swab16(buf); - if (chan->type == IIO_PROXIMITY) { - /* - * Invert the proximity data so we return low values - * for close objects and high values for far ones. - */ - regmap_field_read(data->reg_ps_gain, &index); - *val = stk3310_ps_max[index] - *val; - } + *val = be16_to_cpu(buf); mutex_unlock(&data->lock); return IIO_VAL_INT; case IIO_CHAN_INFO_INT_TIME: @@ -581,8 +562,8 @@ static irqreturn_t stk3310_irq_event_handler(int irq, void *private) } event = IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, 1, IIO_EV_TYPE_THRESH, - (dir ? IIO_EV_DIR_RISING : - IIO_EV_DIR_FALLING)); + (dir ? IIO_EV_DIR_FALLING : + IIO_EV_DIR_RISING)); iio_push_event(indio_dev, event, data->timestamp); /* Reset the interrupt flag */ @@ -627,13 +608,7 @@ static int stk3310_probe(struct i2c_client *client, if (ret < 0) return ret; - ret = iio_device_register(indio_dev); - if (ret < 0) { - dev_err(&client->dev, "device_register failed\n"); - stk3310_set_state(data, STK3310_STATE_STANDBY); - } - - if (client->irq <= 0) + if (client->irq < 0) client->irq = stk3310_gpio_probe(client); if (client->irq >= 0) { @@ -648,6 +623,12 @@ static int stk3310_probe(struct i2c_client *client, client->irq); } + ret = iio_device_register(indio_dev); + if (ret < 0) { + dev_err(&client->dev, "device_register failed\n"); + stk3310_set_state(data, STK3310_STATE_STANDBY); + } + return ret; } diff --git a/drivers/iio/light/tcs3414.c b/drivers/iio/light/tcs3414.c index 71c2bde275aa..f8b1df018abe 100644 --- a/drivers/iio/light/tcs3414.c +++ b/drivers/iio/light/tcs3414.c @@ -185,7 +185,7 @@ static int tcs3414_write_raw(struct iio_dev *indio_dev, if (val != 0) return -EINVAL; for (i = 0; i < ARRAY_SIZE(tcs3414_times); i++) { - if (val == tcs3414_times[i] * 1000) { + if (val2 == tcs3414_times[i] * 1000) { data->timing &= ~TCS3414_INTEG_MASK; data->timing |= i; return i2c_smbus_write_byte_data( diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig index dcadfc4f0661..efb9350b0d76 100644 --- a/drivers/iio/magnetometer/Kconfig +++ b/drivers/iio/magnetometer/Kconfig @@ -90,6 +90,7 @@ config IIO_ST_MAGN_SPI_3AXIS config BMC150_MAGN tristate "Bosch BMC150 Magnetometer Driver" depends on I2C + select REGMAP_I2C select IIO_BUFFER select IIO_TRIGGERED_BUFFER help diff --git a/drivers/iio/magnetometer/bmc150_magn.c b/drivers/iio/magnetometer/bmc150_magn.c index d4c178869991..1347a1f2e46f 100644 --- a/drivers/iio/magnetometer/bmc150_magn.c +++ b/drivers/iio/magnetometer/bmc150_magn.c @@ -706,11 +706,11 @@ static int bmc150_magn_init(struct bmc150_magn_data *data) goto err_poweroff; } if (chip_id != BMC150_MAGN_CHIP_ID_VAL) { - dev_err(&data->client->dev, "Invalid chip id 0x%x\n", ret); + dev_err(&data->client->dev, "Invalid chip id 0x%x\n", chip_id); ret = -ENODEV; goto err_poweroff; } - dev_dbg(&data->client->dev, "Chip id %x\n", ret); + dev_dbg(&data->client->dev, "Chip id %x\n", chip_id); preset = bmc150_magn_presets_table[BMC150_MAGN_DEFAULT_PRESET]; ret = bmc150_magn_set_odr(data, preset.odr); diff --git a/drivers/iio/magnetometer/mmc35240.c b/drivers/iio/magnetometer/mmc35240.c index 7a2ea71c659a..706ebfd6297f 100644 --- a/drivers/iio/magnetometer/mmc35240.c +++ b/drivers/iio/magnetometer/mmc35240.c @@ -84,10 +84,10 @@ #define MMC35240_OTP_START_ADDR 0x1B enum mmc35240_resolution { - MMC35240_16_BITS_SLOW = 0, /* 100 Hz */ - MMC35240_16_BITS_FAST, /* 200 Hz */ - MMC35240_14_BITS, /* 333 Hz */ - MMC35240_12_BITS, /* 666 Hz */ + MMC35240_16_BITS_SLOW = 0, /* 7.92 ms */ + MMC35240_16_BITS_FAST, /* 4.08 ms */ + MMC35240_14_BITS, /* 2.16 ms */ + MMC35240_12_BITS, /* 1.20 ms */ }; enum mmc35240_axis { @@ -100,22 +100,22 @@ static const struct { int sens[3]; /* sensitivity per X, Y, Z axis */ int nfo; /* null field output */ } mmc35240_props_table[] = { - /* 16 bits, 100Hz ODR */ + /* 16 bits, 125Hz ODR */ { {1024, 1024, 1024}, 32768, }, - /* 16 bits, 200Hz ODR */ + /* 16 bits, 250Hz ODR */ { {1024, 1024, 770}, 32768, }, - /* 14 bits, 333Hz ODR */ + /* 14 bits, 450Hz ODR */ { {256, 256, 193}, 8192, }, - /* 12 bits, 666Hz ODR */ + /* 12 bits, 800Hz ODR */ { {64, 64, 48}, 2048, @@ -133,9 +133,15 @@ struct mmc35240_data { int axis_scale[3]; }; -static const int mmc35240_samp_freq[] = {100, 200, 333, 666}; +static const struct { + int val; + int val2; +} mmc35240_samp_freq[] = { {1, 500000}, + {13, 0}, + {25, 0}, + {50, 0} }; -static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("100 200 333 666"); +static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("1.5 13 25 50"); #define MMC35240_CHANNEL(_axis) { \ .type = IIO_MAGN, \ @@ -168,7 +174,8 @@ static int mmc35240_get_samp_freq_index(struct mmc35240_data *data, int i; for (i = 0; i < ARRAY_SIZE(mmc35240_samp_freq); i++) - if (mmc35240_samp_freq[i] == val) + if (mmc35240_samp_freq[i].val == val && + mmc35240_samp_freq[i].val2 == val2) return i; return -EINVAL; } @@ -195,8 +202,8 @@ static int mmc35240_hw_set(struct mmc35240_data *data, bool set) coil_bit = MMC35240_CTRL0_RESET_BIT; return regmap_update_bits(data->regmap, MMC35240_REG_CTRL0, - MMC35240_CTRL0_REFILL_BIT, - coil_bit); + coil_bit, coil_bit); + } static int mmc35240_init(struct mmc35240_data *data) @@ -215,14 +222,15 @@ static int mmc35240_init(struct mmc35240_data *data) /* * make sure we restore sensor characteristics, by doing - * a RESET/SET sequence + * a SET/RESET sequence, the axis polarity being naturally + * aligned after RESET */ - ret = mmc35240_hw_set(data, false); + ret = mmc35240_hw_set(data, true); if (ret < 0) return ret; usleep_range(MMC53240_WAIT_SET_RESET, MMC53240_WAIT_SET_RESET + 1); - ret = mmc35240_hw_set(data, true); + ret = mmc35240_hw_set(data, false); if (ret < 0) return ret; @@ -378,9 +386,9 @@ static int mmc35240_read_raw(struct iio_dev *indio_dev, if (i < 0 || i >= ARRAY_SIZE(mmc35240_samp_freq)) return -EINVAL; - *val = mmc35240_samp_freq[i]; - *val2 = 0; - return IIO_VAL_INT; + *val = mmc35240_samp_freq[i].val; + *val2 = mmc35240_samp_freq[i].val2; + return IIO_VAL_INT_PLUS_MICRO; default: return -EINVAL; } @@ -496,6 +504,7 @@ static int mmc35240_probe(struct i2c_client *client, } data = iio_priv(indio_dev); + i2c_set_clientdata(client, indio_dev); data->client = client; data->regmap = regmap; data->res = MMC35240_16_BITS_SLOW; diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c index 2042e375f835..3d756bd8c703 100644 --- a/drivers/iio/proximity/sx9500.c +++ b/drivers/iio/proximity/sx9500.c @@ -80,6 +80,7 @@ #define SX9500_COMPSTAT_MASK GENMASK(3, 0) #define SX9500_NUM_CHANNELS 4 +#define SX9500_CHAN_MASK GENMASK(SX9500_NUM_CHANNELS - 1, 0) struct sx9500_data { struct mutex mutex; @@ -281,7 +282,7 @@ static int sx9500_read_prox_data(struct sx9500_data *data, if (ret < 0) return ret; - *val = 32767 - (s16)be16_to_cpu(regval); + *val = be16_to_cpu(regval); return IIO_VAL_INT; } @@ -329,27 +330,29 @@ static int sx9500_read_proximity(struct sx9500_data *data, else ret = sx9500_wait_for_sample(data); - if (ret < 0) - return ret; - mutex_lock(&data->mutex); - ret = sx9500_read_prox_data(data, chan, val); if (ret < 0) - goto out; + goto out_dec_data_rdy; - ret = sx9500_dec_chan_users(data, chan->channel); + ret = sx9500_read_prox_data(data, chan, val); if (ret < 0) - goto out; + goto out_dec_data_rdy; ret = sx9500_dec_data_rdy_users(data); if (ret < 0) + goto out_dec_chan; + + ret = sx9500_dec_chan_users(data, chan->channel); + if (ret < 0) goto out; ret = IIO_VAL_INT; goto out; +out_dec_data_rdy: + sx9500_dec_data_rdy_users(data); out_dec_chan: sx9500_dec_chan_users(data, chan->channel); out: @@ -679,7 +682,7 @@ out: static int sx9500_buffer_preenable(struct iio_dev *indio_dev) { struct sx9500_data *data = iio_priv(indio_dev); - int ret, i; + int ret = 0, i; mutex_lock(&data->mutex); @@ -703,7 +706,7 @@ static int sx9500_buffer_preenable(struct iio_dev *indio_dev) static int sx9500_buffer_predisable(struct iio_dev *indio_dev) { struct sx9500_data *data = iio_priv(indio_dev); - int ret, i; + int ret = 0, i; iio_triggered_buffer_predisable(indio_dev); @@ -800,8 +803,7 @@ static int sx9500_init_compensation(struct iio_dev *indio_dev) unsigned int val; ret = regmap_update_bits(data->regmap, SX9500_REG_PROX_CTRL0, - GENMASK(SX9500_NUM_CHANNELS, 0), - GENMASK(SX9500_NUM_CHANNELS, 0)); + SX9500_CHAN_MASK, SX9500_CHAN_MASK); if (ret < 0) return ret; @@ -821,7 +823,7 @@ static int sx9500_init_compensation(struct iio_dev *indio_dev) out: regmap_update_bits(data->regmap, SX9500_REG_PROX_CTRL0, - GENMASK(SX9500_NUM_CHANNELS, 0), 0); + SX9500_CHAN_MASK, 0); return ret; } diff --git a/drivers/iio/temperature/mlx90614.c b/drivers/iio/temperature/mlx90614.c index cb2e8ad8bfdc..7a2b639eaa96 100644 --- a/drivers/iio/temperature/mlx90614.c +++ b/drivers/iio/temperature/mlx90614.c @@ -204,7 +204,7 @@ static int mlx90614_read_raw(struct iio_dev *indio_dev, *val = ret; return IIO_VAL_INT; case IIO_CHAN_INFO_OFFSET: - *val = 13657; + *val = -13657; *val2 = 500000; return IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_SCALE: diff --git a/drivers/iio/temperature/tmp006.c b/drivers/iio/temperature/tmp006.c index fcc49f89b946..8f21f32f9739 100644 --- a/drivers/iio/temperature/tmp006.c +++ b/drivers/iio/temperature/tmp006.c @@ -132,6 +132,9 @@ static int tmp006_write_raw(struct iio_dev *indio_dev, struct tmp006_data *data = iio_priv(indio_dev); int i; + if (mask != IIO_CHAN_INFO_SAMP_FREQ) + return -EINVAL; + for (i = 0; i < ARRAY_SIZE(tmp006_freqs); i++) if ((val == tmp006_freqs[i][0]) && (val2 == tmp006_freqs[i][1])) { diff --git a/drivers/infiniband/core/agent.c b/drivers/infiniband/core/agent.c index c7dcfe4ca5f1..0429040304fd 100644 --- a/drivers/infiniband/core/agent.c +++ b/drivers/infiniband/core/agent.c @@ -88,7 +88,7 @@ void agent_send_response(const struct ib_mad_hdr *mad_hdr, const struct ib_grh * struct ib_ah *ah; struct ib_mad_send_wr_private *mad_send_wr; - if (device->node_type == RDMA_NODE_IB_SWITCH) + if (rdma_cap_ib_switch(device)) port_priv = ib_get_agent_port(device, 0); else port_priv = ib_get_agent_port(device, port_num); @@ -122,7 +122,7 @@ void agent_send_response(const struct ib_mad_hdr *mad_hdr, const struct ib_grh * memcpy(send_buf->mad, mad_hdr, resp_mad_len); send_buf->ah = ah; - if (device->node_type == RDMA_NODE_IB_SWITCH) { + if (rdma_cap_ib_switch(device)) { mad_send_wr = container_of(send_buf, struct ib_mad_send_wr_private, send_buf); diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index dbddddd6fb5d..3a972ebf3c0d 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -169,6 +169,7 @@ struct cm_device { struct ib_device *ib_device; struct device *device; u8 ack_delay; + int going_down; struct cm_port *port[0]; }; @@ -805,6 +806,11 @@ static void cm_enter_timewait(struct cm_id_private *cm_id_priv) { int wait_time; unsigned long flags; + struct cm_device *cm_dev; + + cm_dev = ib_get_client_data(cm_id_priv->id.device, &cm_client); + if (!cm_dev) + return; spin_lock_irqsave(&cm.lock, flags); cm_cleanup_timewait(cm_id_priv->timewait_info); @@ -818,8 +824,14 @@ static void cm_enter_timewait(struct cm_id_private *cm_id_priv) */ cm_id_priv->id.state = IB_CM_TIMEWAIT; wait_time = cm_convert_to_ms(cm_id_priv->av.timeout); - queue_delayed_work(cm.wq, &cm_id_priv->timewait_info->work.work, - msecs_to_jiffies(wait_time)); + + /* Check if the device started its remove_one */ + spin_lock_irq(&cm.lock); + if (!cm_dev->going_down) + queue_delayed_work(cm.wq, &cm_id_priv->timewait_info->work.work, + msecs_to_jiffies(wait_time)); + spin_unlock_irq(&cm.lock); + cm_id_priv->timewait_info = NULL; } @@ -3305,6 +3317,11 @@ static int cm_establish(struct ib_cm_id *cm_id) struct cm_work *work; unsigned long flags; int ret = 0; + struct cm_device *cm_dev; + + cm_dev = ib_get_client_data(cm_id->device, &cm_client); + if (!cm_dev) + return -ENODEV; work = kmalloc(sizeof *work, GFP_ATOMIC); if (!work) @@ -3343,7 +3360,17 @@ static int cm_establish(struct ib_cm_id *cm_id) work->remote_id = cm_id->remote_id; work->mad_recv_wc = NULL; work->cm_event.event = IB_CM_USER_ESTABLISHED; - queue_delayed_work(cm.wq, &work->work, 0); + + /* Check if the device started its remove_one */ + spin_lock_irq(&cm.lock); + if (!cm_dev->going_down) { + queue_delayed_work(cm.wq, &work->work, 0); + } else { + kfree(work); + ret = -ENODEV; + } + spin_unlock_irq(&cm.lock); + out: return ret; } @@ -3394,6 +3421,7 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent, enum ib_cm_event_type event; u16 attr_id; int paths = 0; + int going_down = 0; switch (mad_recv_wc->recv_buf.mad->mad_hdr.attr_id) { case CM_REQ_ATTR_ID: @@ -3452,7 +3480,19 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent, work->cm_event.event = event; work->mad_recv_wc = mad_recv_wc; work->port = port; - queue_delayed_work(cm.wq, &work->work, 0); + + /* Check if the device started its remove_one */ + spin_lock_irq(&cm.lock); + if (!port->cm_dev->going_down) + queue_delayed_work(cm.wq, &work->work, 0); + else + going_down = 1; + spin_unlock_irq(&cm.lock); + + if (going_down) { + kfree(work); + ib_free_recv_mad(mad_recv_wc); + } } static int cm_init_qp_init_attr(struct cm_id_private *cm_id_priv, @@ -3771,7 +3811,7 @@ static void cm_add_one(struct ib_device *ib_device) cm_dev->ib_device = ib_device; cm_get_ack_delay(cm_dev); - + cm_dev->going_down = 0; cm_dev->device = device_create(&cm_class, &ib_device->dev, MKDEV(0, 0), NULL, "%s", ib_device->name); @@ -3864,14 +3904,23 @@ static void cm_remove_one(struct ib_device *ib_device) list_del(&cm_dev->list); write_unlock_irqrestore(&cm.device_lock, flags); + spin_lock_irq(&cm.lock); + cm_dev->going_down = 1; + spin_unlock_irq(&cm.lock); + for (i = 1; i <= ib_device->phys_port_cnt; i++) { if (!rdma_cap_ib_cm(ib_device, i)) continue; port = cm_dev->port[i-1]; ib_modify_port(ib_device, port->port_num, 0, &port_modify); - ib_unregister_mad_agent(port->mad_agent); + /* + * We flush the queue here after the going_down set, this + * verify that no new works will be queued in the recv handler, + * after that we can call the unregister_mad_agent + */ flush_workqueue(cm.wq); + ib_unregister_mad_agent(port->mad_agent); cm_remove_port_fs(port); } device_unregister(cm_dev->device); diff --git a/drivers/infiniband/core/iwpm_msg.c b/drivers/infiniband/core/iwpm_msg.c index e6ffa2e66c1a..22a3abee2a54 100644 --- a/drivers/infiniband/core/iwpm_msg.c +++ b/drivers/infiniband/core/iwpm_msg.c @@ -67,7 +67,8 @@ int iwpm_register_pid(struct iwpm_dev_data *pm_msg, u8 nl_client) err_str = "Invalid port mapper client"; goto pid_query_error; } - if (iwpm_registered_client(nl_client)) + if (iwpm_check_registration(nl_client, IWPM_REG_VALID) || + iwpm_user_pid == IWPM_PID_UNAVAILABLE) return 0; skb = iwpm_create_nlmsg(RDMA_NL_IWPM_REG_PID, &nlh, nl_client); if (!skb) { @@ -106,7 +107,6 @@ int iwpm_register_pid(struct iwpm_dev_data *pm_msg, u8 nl_client) ret = ibnl_multicast(skb, nlh, RDMA_NL_GROUP_IWPM, GFP_KERNEL); if (ret) { skb = NULL; /* skb is freed in the netlink send-op handling */ - iwpm_set_registered(nl_client, 1); iwpm_user_pid = IWPM_PID_UNAVAILABLE; err_str = "Unable to send a nlmsg"; goto pid_query_error; @@ -144,12 +144,12 @@ int iwpm_add_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client) err_str = "Invalid port mapper client"; goto add_mapping_error; } - if (!iwpm_registered_client(nl_client)) { + if (!iwpm_valid_pid()) + return 0; + if (!iwpm_check_registration(nl_client, IWPM_REG_VALID)) { err_str = "Unregistered port mapper client"; goto add_mapping_error; } - if (!iwpm_valid_pid()) - return 0; skb = iwpm_create_nlmsg(RDMA_NL_IWPM_ADD_MAPPING, &nlh, nl_client); if (!skb) { err_str = "Unable to create a nlmsg"; @@ -214,12 +214,12 @@ int iwpm_add_and_query_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client) err_str = "Invalid port mapper client"; goto query_mapping_error; } - if (!iwpm_registered_client(nl_client)) { + if (!iwpm_valid_pid()) + return 0; + if (!iwpm_check_registration(nl_client, IWPM_REG_VALID)) { err_str = "Unregistered port mapper client"; goto query_mapping_error; } - if (!iwpm_valid_pid()) - return 0; ret = -ENOMEM; skb = iwpm_create_nlmsg(RDMA_NL_IWPM_QUERY_MAPPING, &nlh, nl_client); if (!skb) { @@ -288,12 +288,12 @@ int iwpm_remove_mapping(struct sockaddr_storage *local_addr, u8 nl_client) err_str = "Invalid port mapper client"; goto remove_mapping_error; } - if (!iwpm_registered_client(nl_client)) { + if (!iwpm_valid_pid()) + return 0; + if (iwpm_check_registration(nl_client, IWPM_REG_UNDEF)) { err_str = "Unregistered port mapper client"; goto remove_mapping_error; } - if (!iwpm_valid_pid()) - return 0; skb = iwpm_create_nlmsg(RDMA_NL_IWPM_REMOVE_MAPPING, &nlh, nl_client); if (!skb) { ret = -ENOMEM; @@ -388,7 +388,7 @@ int iwpm_register_pid_cb(struct sk_buff *skb, struct netlink_callback *cb) pr_debug("%s: iWarp Port Mapper (pid = %d) is available!\n", __func__, iwpm_user_pid); if (iwpm_valid_client(nl_client)) - iwpm_set_registered(nl_client, 1); + iwpm_set_registration(nl_client, IWPM_REG_VALID); register_pid_response_exit: nlmsg_request->request_done = 1; /* always for found nlmsg_request */ @@ -644,7 +644,6 @@ int iwpm_mapping_info_cb(struct sk_buff *skb, struct netlink_callback *cb) { struct nlattr *nltb[IWPM_NLA_MAPINFO_REQ_MAX]; const char *msg_type = "Mapping Info response"; - int iwpm_pid; u8 nl_client; char *iwpm_name; u16 iwpm_version; @@ -669,14 +668,14 @@ int iwpm_mapping_info_cb(struct sk_buff *skb, struct netlink_callback *cb) __func__, nl_client); return ret; } - iwpm_set_registered(nl_client, 0); + iwpm_set_registration(nl_client, IWPM_REG_INCOMPL); atomic_set(&echo_nlmsg_seq, cb->nlh->nlmsg_seq); + iwpm_user_pid = cb->nlh->nlmsg_pid; if (!iwpm_mapinfo_available()) return 0; - iwpm_pid = cb->nlh->nlmsg_pid; pr_debug("%s: iWarp Port Mapper (pid = %d) is available!\n", - __func__, iwpm_pid); - ret = iwpm_send_mapinfo(nl_client, iwpm_pid); + __func__, iwpm_user_pid); + ret = iwpm_send_mapinfo(nl_client, iwpm_user_pid); return ret; } EXPORT_SYMBOL(iwpm_mapping_info_cb); diff --git a/drivers/infiniband/core/iwpm_util.c b/drivers/infiniband/core/iwpm_util.c index a626795bf9c7..5fb089e91353 100644 --- a/drivers/infiniband/core/iwpm_util.c +++ b/drivers/infiniband/core/iwpm_util.c @@ -78,6 +78,7 @@ init_exit: mutex_unlock(&iwpm_admin_lock); if (!ret) { iwpm_set_valid(nl_client, 1); + iwpm_set_registration(nl_client, IWPM_REG_UNDEF); pr_debug("%s: Mapinfo and reminfo tables are created\n", __func__); } @@ -106,6 +107,7 @@ int iwpm_exit(u8 nl_client) } mutex_unlock(&iwpm_admin_lock); iwpm_set_valid(nl_client, 0); + iwpm_set_registration(nl_client, IWPM_REG_UNDEF); return 0; } EXPORT_SYMBOL(iwpm_exit); @@ -397,17 +399,23 @@ void iwpm_set_valid(u8 nl_client, int valid) } /* valid client */ -int iwpm_registered_client(u8 nl_client) +u32 iwpm_get_registration(u8 nl_client) { return iwpm_admin.reg_list[nl_client]; } /* valid client */ -void iwpm_set_registered(u8 nl_client, int reg) +void iwpm_set_registration(u8 nl_client, u32 reg) { iwpm_admin.reg_list[nl_client] = reg; } +/* valid client */ +u32 iwpm_check_registration(u8 nl_client, u32 reg) +{ + return (iwpm_get_registration(nl_client) & reg); +} + int iwpm_compare_sockaddr(struct sockaddr_storage *a_sockaddr, struct sockaddr_storage *b_sockaddr) { diff --git a/drivers/infiniband/core/iwpm_util.h b/drivers/infiniband/core/iwpm_util.h index ee2d9ff095be..b7b9e194ce81 100644 --- a/drivers/infiniband/core/iwpm_util.h +++ b/drivers/infiniband/core/iwpm_util.h @@ -58,6 +58,10 @@ #define IWPM_PID_UNDEFINED -1 #define IWPM_PID_UNAVAILABLE -2 +#define IWPM_REG_UNDEF 0x01 +#define IWPM_REG_VALID 0x02 +#define IWPM_REG_INCOMPL 0x04 + struct iwpm_nlmsg_request { struct list_head inprocess_list; __u32 nlmsg_seq; @@ -88,7 +92,7 @@ struct iwpm_admin_data { atomic_t refcount; atomic_t nlmsg_seq; int client_list[RDMA_NL_NUM_CLIENTS]; - int reg_list[RDMA_NL_NUM_CLIENTS]; + u32 reg_list[RDMA_NL_NUM_CLIENTS]; }; /** @@ -159,19 +163,31 @@ int iwpm_valid_client(u8 nl_client); void iwpm_set_valid(u8 nl_client, int valid); /** - * iwpm_registered_client - Check if the port mapper client is registered + * iwpm_check_registration - Check if the client registration + * matches the given one * @nl_client: The index of the netlink client + * @reg: The given registration type to compare with * * Call iwpm_register_pid() to register a client + * Returns true if the client registration matches reg, + * otherwise returns false + */ +u32 iwpm_check_registration(u8 nl_client, u32 reg); + +/** + * iwpm_set_registration - Set the client registration + * @nl_client: The index of the netlink client + * @reg: Registration type to set */ -int iwpm_registered_client(u8 nl_client); +void iwpm_set_registration(u8 nl_client, u32 reg); /** - * iwpm_set_registered - Set the port mapper client to registered or not + * iwpm_get_registration * @nl_client: The index of the netlink client - * @reg: 1 if registered or 0 if not + * + * Returns the client registration type */ -void iwpm_set_registered(u8 nl_client, int reg); +u32 iwpm_get_registration(u8 nl_client); /** * iwpm_send_mapinfo - Send local and mapped IPv4/IPv6 address info of diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index a4b1466c1bf6..786fc51bf04b 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -769,7 +769,7 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, bool opa = rdma_cap_opa_mad(mad_agent_priv->qp_info->port_priv->device, mad_agent_priv->qp_info->port_priv->port_num); - if (device->node_type == RDMA_NODE_IB_SWITCH && + if (rdma_cap_ib_switch(device) && smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) port_num = send_wr->wr.ud.port_num; else @@ -787,14 +787,15 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, if ((opa_get_smp_direction(opa_smp) ? opa_smp->route.dr.dr_dlid : opa_smp->route.dr.dr_slid) == OPA_LID_PERMISSIVE && - opa_smi_handle_dr_smp_send(opa_smp, device->node_type, + opa_smi_handle_dr_smp_send(opa_smp, + rdma_cap_ib_switch(device), port_num) == IB_SMI_DISCARD) { ret = -EINVAL; dev_err(&device->dev, "OPA Invalid directed route\n"); goto out; } opa_drslid = be32_to_cpu(opa_smp->route.dr.dr_slid); - if (opa_drslid != OPA_LID_PERMISSIVE && + if (opa_drslid != be32_to_cpu(OPA_LID_PERMISSIVE) && opa_drslid & 0xffff0000) { ret = -EINVAL; dev_err(&device->dev, "OPA Invalid dr_slid 0x%x\n", @@ -810,7 +811,7 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, } else { if ((ib_get_smp_direction(smp) ? smp->dr_dlid : smp->dr_slid) == IB_LID_PERMISSIVE && - smi_handle_dr_smp_send(smp, device->node_type, port_num) == + smi_handle_dr_smp_send(smp, rdma_cap_ib_switch(device), port_num) == IB_SMI_DISCARD) { ret = -EINVAL; dev_err(&device->dev, "Invalid directed route\n"); @@ -2030,7 +2031,7 @@ static enum smi_action handle_ib_smi(const struct ib_mad_port_private *port_priv struct ib_smp *smp = (struct ib_smp *)recv->mad; if (smi_handle_dr_smp_recv(smp, - port_priv->device->node_type, + rdma_cap_ib_switch(port_priv->device), port_num, port_priv->device->phys_port_cnt) == IB_SMI_DISCARD) @@ -2042,13 +2043,13 @@ static enum smi_action handle_ib_smi(const struct ib_mad_port_private *port_priv if (retsmi == IB_SMI_SEND) { /* don't forward */ if (smi_handle_dr_smp_send(smp, - port_priv->device->node_type, + rdma_cap_ib_switch(port_priv->device), port_num) == IB_SMI_DISCARD) return IB_SMI_DISCARD; if (smi_check_local_smp(smp, port_priv->device) == IB_SMI_DISCARD) return IB_SMI_DISCARD; - } else if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) { + } else if (rdma_cap_ib_switch(port_priv->device)) { /* forward case for switches */ memcpy(response, recv, mad_priv_size(response)); response->header.recv_wc.wc = &response->header.wc; @@ -2115,7 +2116,7 @@ handle_opa_smi(struct ib_mad_port_private *port_priv, struct opa_smp *smp = (struct opa_smp *)recv->mad; if (opa_smi_handle_dr_smp_recv(smp, - port_priv->device->node_type, + rdma_cap_ib_switch(port_priv->device), port_num, port_priv->device->phys_port_cnt) == IB_SMI_DISCARD) @@ -2127,7 +2128,7 @@ handle_opa_smi(struct ib_mad_port_private *port_priv, if (retsmi == IB_SMI_SEND) { /* don't forward */ if (opa_smi_handle_dr_smp_send(smp, - port_priv->device->node_type, + rdma_cap_ib_switch(port_priv->device), port_num) == IB_SMI_DISCARD) return IB_SMI_DISCARD; @@ -2135,7 +2136,7 @@ handle_opa_smi(struct ib_mad_port_private *port_priv, IB_SMI_DISCARD) return IB_SMI_DISCARD; - } else if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) { + } else if (rdma_cap_ib_switch(port_priv->device)) { /* forward case for switches */ memcpy(response, recv, mad_priv_size(response)); response->header.recv_wc.wc = &response->header.wc; @@ -2235,7 +2236,7 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv, goto out; } - if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) + if (rdma_cap_ib_switch(port_priv->device)) port_num = wc->port_num; else port_num = port_priv->port_num; @@ -3297,17 +3298,11 @@ static int ib_mad_port_close(struct ib_device *device, int port_num) static void ib_mad_init_device(struct ib_device *device) { - int start, end, i; + int start, i; - if (device->node_type == RDMA_NODE_IB_SWITCH) { - start = 0; - end = 0; - } else { - start = 1; - end = device->phys_port_cnt; - } + start = rdma_start_port(device); - for (i = start; i <= end; i++) { + for (i = start; i <= rdma_end_port(device); i++) { if (!rdma_cap_ib_mad(device, i)) continue; @@ -3342,17 +3337,9 @@ error: static void ib_mad_remove_device(struct ib_device *device) { - int start, end, i; - - if (device->node_type == RDMA_NODE_IB_SWITCH) { - start = 0; - end = 0; - } else { - start = 1; - end = device->phys_port_cnt; - } + int i; - for (i = start; i <= end; i++) { + for (i = rdma_start_port(device); i <= rdma_end_port(device); i++) { if (!rdma_cap_ib_mad(device, i)) continue; diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c index 1244f02a5c6d..2cb865c7ce7a 100644 --- a/drivers/infiniband/core/multicast.c +++ b/drivers/infiniband/core/multicast.c @@ -812,12 +812,8 @@ static void mcast_add_one(struct ib_device *device) if (!dev) return; - if (device->node_type == RDMA_NODE_IB_SWITCH) - dev->start_port = dev->end_port = 0; - else { - dev->start_port = 1; - dev->end_port = device->phys_port_cnt; - } + dev->start_port = rdma_start_port(device); + dev->end_port = rdma_end_port(device); for (i = 0; i <= dev->end_port - dev->start_port; i++) { if (!rdma_cap_ib_mcast(device, dev->start_port + i)) diff --git a/drivers/infiniband/core/opa_smi.h b/drivers/infiniband/core/opa_smi.h index 62d91bfa4cb7..3bfab3505a29 100644 --- a/drivers/infiniband/core/opa_smi.h +++ b/drivers/infiniband/core/opa_smi.h @@ -39,12 +39,12 @@ #include "smi.h" -enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, u8 node_type, +enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, bool is_switch, int port_num, int phys_port_cnt); int opa_smi_get_fwd_port(struct opa_smp *smp); extern enum smi_forward_action opa_smi_check_forward_dr_smp(struct opa_smp *smp); extern enum smi_action opa_smi_handle_dr_smp_send(struct opa_smp *smp, - u8 node_type, int port_num); + bool is_switch, int port_num); /* * Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 0fae85062a65..ca919f429666 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -1156,12 +1156,8 @@ static void ib_sa_add_one(struct ib_device *device) int s, e, i; int count = 0; - if (device->node_type == RDMA_NODE_IB_SWITCH) - s = e = 0; - else { - s = 1; - e = device->phys_port_cnt; - } + s = rdma_start_port(device); + e = rdma_end_port(device); sa_dev = kzalloc(sizeof *sa_dev + (e - s + 1) * sizeof (struct ib_sa_port), diff --git a/drivers/infiniband/core/smi.c b/drivers/infiniband/core/smi.c index 368a561d1a5d..f19b23817c2b 100644 --- a/drivers/infiniband/core/smi.c +++ b/drivers/infiniband/core/smi.c @@ -41,7 +41,7 @@ #include "smi.h" #include "opa_smi.h" -static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, +static enum smi_action __smi_handle_dr_smp_send(bool is_switch, int port_num, u8 *hop_ptr, u8 hop_cnt, const u8 *initial_path, const u8 *return_path, @@ -64,7 +64,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, /* C14-9:2 */ if (*hop_ptr && *hop_ptr < hop_cnt) { - if (node_type != RDMA_NODE_IB_SWITCH) + if (!is_switch) return IB_SMI_DISCARD; /* return_path set when received */ @@ -77,7 +77,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, if (*hop_ptr == hop_cnt) { /* return_path set when received */ (*hop_ptr)++; - return (node_type == RDMA_NODE_IB_SWITCH || + return (is_switch || dr_dlid_is_permissive ? IB_SMI_HANDLE : IB_SMI_DISCARD); } @@ -96,7 +96,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, /* C14-13:2 */ if (2 <= *hop_ptr && *hop_ptr <= hop_cnt) { - if (node_type != RDMA_NODE_IB_SWITCH) + if (!is_switch) return IB_SMI_DISCARD; (*hop_ptr)--; @@ -108,7 +108,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, if (*hop_ptr == 1) { (*hop_ptr)--; /* C14-13:3 -- SMPs destined for SM shouldn't be here */ - return (node_type == RDMA_NODE_IB_SWITCH || + return (is_switch || dr_slid_is_permissive ? IB_SMI_HANDLE : IB_SMI_DISCARD); } @@ -127,9 +127,9 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num, * Return IB_SMI_DISCARD if the SMP should be discarded */ enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp, - u8 node_type, int port_num) + bool is_switch, int port_num) { - return __smi_handle_dr_smp_send(node_type, port_num, + return __smi_handle_dr_smp_send(is_switch, port_num, &smp->hop_ptr, smp->hop_cnt, smp->initial_path, smp->return_path, @@ -139,9 +139,9 @@ enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp, } enum smi_action opa_smi_handle_dr_smp_send(struct opa_smp *smp, - u8 node_type, int port_num) + bool is_switch, int port_num) { - return __smi_handle_dr_smp_send(node_type, port_num, + return __smi_handle_dr_smp_send(is_switch, port_num, &smp->hop_ptr, smp->hop_cnt, smp->route.dr.initial_path, smp->route.dr.return_path, @@ -152,7 +152,7 @@ enum smi_action opa_smi_handle_dr_smp_send(struct opa_smp *smp, OPA_LID_PERMISSIVE); } -static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, +static enum smi_action __smi_handle_dr_smp_recv(bool is_switch, int port_num, int phys_port_cnt, u8 *hop_ptr, u8 hop_cnt, const u8 *initial_path, @@ -173,7 +173,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, /* C14-9:2 -- intermediate hop */ if (*hop_ptr && *hop_ptr < hop_cnt) { - if (node_type != RDMA_NODE_IB_SWITCH) + if (!is_switch) return IB_SMI_DISCARD; return_path[*hop_ptr] = port_num; @@ -188,7 +188,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, return_path[*hop_ptr] = port_num; /* hop_ptr updated when sending */ - return (node_type == RDMA_NODE_IB_SWITCH || + return (is_switch || dr_dlid_is_permissive ? IB_SMI_HANDLE : IB_SMI_DISCARD); } @@ -208,7 +208,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, /* C14-13:2 */ if (2 <= *hop_ptr && *hop_ptr <= hop_cnt) { - if (node_type != RDMA_NODE_IB_SWITCH) + if (!is_switch) return IB_SMI_DISCARD; /* hop_ptr updated when sending */ @@ -224,8 +224,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, return IB_SMI_HANDLE; } /* hop_ptr updated when sending */ - return (node_type == RDMA_NODE_IB_SWITCH ? - IB_SMI_HANDLE : IB_SMI_DISCARD); + return (is_switch ? IB_SMI_HANDLE : IB_SMI_DISCARD); } /* C14-13:4 -- hop_ptr = 0 -> give to SM */ @@ -238,10 +237,10 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num, * Adjust information for a received SMP * Return IB_SMI_DISCARD if the SMP should be dropped */ -enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type, +enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, bool is_switch, int port_num, int phys_port_cnt) { - return __smi_handle_dr_smp_recv(node_type, port_num, phys_port_cnt, + return __smi_handle_dr_smp_recv(is_switch, port_num, phys_port_cnt, &smp->hop_ptr, smp->hop_cnt, smp->initial_path, smp->return_path, @@ -254,10 +253,10 @@ enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type, * Adjust information for a received SMP * Return IB_SMI_DISCARD if the SMP should be dropped */ -enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, u8 node_type, +enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, bool is_switch, int port_num, int phys_port_cnt) { - return __smi_handle_dr_smp_recv(node_type, port_num, phys_port_cnt, + return __smi_handle_dr_smp_recv(is_switch, port_num, phys_port_cnt, &smp->hop_ptr, smp->hop_cnt, smp->route.dr.initial_path, smp->route.dr.return_path, diff --git a/drivers/infiniband/core/smi.h b/drivers/infiniband/core/smi.h index aff96bac49b4..33c91c8a16e9 100644 --- a/drivers/infiniband/core/smi.h +++ b/drivers/infiniband/core/smi.h @@ -51,12 +51,12 @@ enum smi_forward_action { IB_SMI_FORWARD /* SMP should be forwarded (for switches only) */ }; -enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type, +enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, bool is_switch, int port_num, int phys_port_cnt); int smi_get_fwd_port(struct ib_smp *smp); extern enum smi_forward_action smi_check_forward_dr_smp(struct ib_smp *smp); extern enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp, - u8 node_type, int port_num); + bool is_switch, int port_num); /* * Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c index ed6b6c85c334..0b84a9cdfe5b 100644 --- a/drivers/infiniband/core/sysfs.c +++ b/drivers/infiniband/core/sysfs.c @@ -870,7 +870,7 @@ int ib_device_register_sysfs(struct ib_device *device, goto err_put; } - if (device->node_type == RDMA_NODE_IB_SWITCH) { + if (rdma_cap_ib_switch(device)) { ret = add_port(device, 0, port_callback); if (ret) goto err_put; diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index 62c24b1452b8..009481073644 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -1193,6 +1193,7 @@ static int ib_ucm_close(struct inode *inode, struct file *filp) return 0; } +static DECLARE_BITMAP(overflow_map, IB_UCM_MAX_DEVICES); static void ib_ucm_release_dev(struct device *dev) { struct ib_ucm_device *ucm_dev; @@ -1202,7 +1203,7 @@ static void ib_ucm_release_dev(struct device *dev) if (ucm_dev->devnum < IB_UCM_MAX_DEVICES) clear_bit(ucm_dev->devnum, dev_map); else - clear_bit(ucm_dev->devnum - IB_UCM_MAX_DEVICES, dev_map); + clear_bit(ucm_dev->devnum - IB_UCM_MAX_DEVICES, overflow_map); kfree(ucm_dev); } @@ -1226,7 +1227,6 @@ static ssize_t show_ibdev(struct device *dev, struct device_attribute *attr, static DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL); static dev_t overflow_maj; -static DECLARE_BITMAP(overflow_map, IB_UCM_MAX_DEVICES); static int find_overflow_devnum(void) { int ret; diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index ad45469f7582..29b21213ea75 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -1354,10 +1354,10 @@ static void ucma_lock_files(struct ucma_file *file1, struct ucma_file *file2) /* Acquire mutex's based on pointer comparison to prevent deadlock. */ if (file1 < file2) { mutex_lock(&file1->mut); - mutex_lock(&file2->mut); + mutex_lock_nested(&file2->mut, SINGLE_DEPTH_NESTING); } else { mutex_lock(&file2->mut); - mutex_lock(&file1->mut); + mutex_lock_nested(&file1->mut, SINGLE_DEPTH_NESTING); } } @@ -1616,6 +1616,7 @@ static void __exit ucma_cleanup(void) device_remove_file(ucma_misc.this_device, &dev_attr_abi_version); misc_deregister(&ucma_misc); idr_destroy(&ctx_idr); + idr_destroy(&multicast_idr); } module_init(ucma_init); diff --git a/drivers/infiniband/hw/ehca/ehca_sqp.c b/drivers/infiniband/hw/ehca/ehca_sqp.c index 12b5bc23832b..376b031c2c7f 100644 --- a/drivers/infiniband/hw/ehca/ehca_sqp.c +++ b/drivers/infiniband/hw/ehca/ehca_sqp.c @@ -226,8 +226,9 @@ int ehca_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; if (!port_num || port_num > ibdev->phys_port_cnt || !in_wc) return IB_MAD_RESULT_FAILURE; diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c index 2d7e503d13cb..871dbe56216a 100644 --- a/drivers/infiniband/hw/ipath/ipath_driver.c +++ b/drivers/infiniband/hw/ipath/ipath_driver.c @@ -31,6 +31,8 @@ * SOFTWARE. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/sched.h> #include <linux/spinlock.h> #include <linux/idr.h> @@ -399,8 +401,8 @@ static int ipath_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) u32 bar0 = 0, bar1 = 0; #ifdef CONFIG_X86_64 - if (WARN(pat_enabled(), - "ipath needs PAT disabled, boot with nopat kernel parameter\n")) { + if (pat_enabled()) { + pr_warn("ipath needs PAT disabled, boot with nopat kernel parameter\n"); ret = -ENODEV; goto bail; } diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c index 948188e37f95..ad3a926ab3c5 100644 --- a/drivers/infiniband/hw/ipath/ipath_mad.c +++ b/drivers/infiniband/hw/ipath/ipath_mad.c @@ -1499,8 +1499,9 @@ int ipath_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; switch (in_mad->mad_hdr.mgmt_class) { case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c index 48253b839a6f..30ba49c4a98c 100644 --- a/drivers/infiniband/hw/ipath/ipath_verbs.c +++ b/drivers/infiniband/hw/ipath/ipath_verbs.c @@ -2044,9 +2044,9 @@ int ipath_register_ib_device(struct ipath_devdata *dd) spin_lock_init(&idev->qp_table.lock); spin_lock_init(&idev->lk_table.lock); - idev->sm_lid = __constant_be16_to_cpu(IB_LID_PERMISSIVE); + idev->sm_lid = be16_to_cpu(IB_LID_PERMISSIVE); /* Set the prefix to the default value (see ch. 4.1.1) */ - idev->gid_prefix = __constant_cpu_to_be64(0xfe80000000000000ULL); + idev->gid_prefix = cpu_to_be64(0xfe80000000000000ULL); ret = ipath_init_qp_table(idev, ib_ipath_qp_table_size); if (ret) diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index 85a50df2f203..68b3dfa922bf 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -860,21 +860,31 @@ int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, struct mlx4_ib_dev *dev = to_mdev(ibdev); const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; + enum rdma_link_layer link = rdma_port_get_link_layer(ibdev, port_num); - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; - switch (rdma_port_get_link_layer(ibdev, port_num)) { - case IB_LINK_LAYER_INFINIBAND: - if (!mlx4_is_slave(dev->dev)) - return ib_process_mad(ibdev, mad_flags, port_num, in_wc, - in_grh, in_mad, out_mad); - case IB_LINK_LAYER_ETHERNET: - return iboe_process_mad(ibdev, mad_flags, port_num, in_wc, - in_grh, in_mad, out_mad); - default: - return -EINVAL; + /* iboe_process_mad() which uses the HCA flow-counters to implement IB PMA + * queries, should be called only by VFs and for that specific purpose + */ + if (link == IB_LINK_LAYER_INFINIBAND) { + if (mlx4_is_slave(dev->dev) && + in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT && + in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS) + return iboe_process_mad(ibdev, mad_flags, port_num, in_wc, + in_grh, in_mad, out_mad); + + return ib_process_mad(ibdev, mad_flags, port_num, in_wc, + in_grh, in_mad, out_mad); } + + if (link == IB_LINK_LAYER_ETHERNET) + return iboe_process_mad(ibdev, mad_flags, port_num, in_wc, + in_grh, in_mad, out_mad); + + return -EINVAL; } static void send_handler(struct ib_mad_agent *agent, diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 067a691ecbed..8be6db816460 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -253,14 +253,15 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->hca_core_clock = dev->dev->caps.hca_core_clock * 1000UL; props->timestamp_mask = 0xFFFFFFFFFFFFULL; - err = mlx4_get_internal_clock_params(dev->dev, &clock_params); - if (err) - goto out; + if (!mlx4_is_slave(dev->dev)) + err = mlx4_get_internal_clock_params(dev->dev, &clock_params); if (uhw->outlen >= resp.response_length + sizeof(resp.hca_core_clock_offset)) { - resp.hca_core_clock_offset = clock_params.offset % PAGE_SIZE; resp.response_length += sizeof(resp.hca_core_clock_offset); - resp.comp_mask |= QUERY_DEVICE_RESP_MASK_TIMESTAMP; + if (!err && !mlx4_is_slave(dev->dev)) { + resp.comp_mask |= QUERY_DEVICE_RESP_MASK_TIMESTAMP; + resp.hca_core_clock_offset = clock_params.offset % PAGE_SIZE; + } } if (uhw->outlen) { @@ -2669,31 +2670,33 @@ static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init) dm = kcalloc(ports, sizeof(*dm), GFP_ATOMIC); if (!dm) { pr_err("failed to allocate memory for tunneling qp update\n"); - goto out; + return; } for (i = 0; i < ports; i++) { dm[i] = kmalloc(sizeof (struct mlx4_ib_demux_work), GFP_ATOMIC); if (!dm[i]) { pr_err("failed to allocate memory for tunneling qp update work struct\n"); - for (i = 0; i < dev->caps.num_ports; i++) { - if (dm[i]) - kfree(dm[i]); - } + while (--i >= 0) + kfree(dm[i]); goto out; } - } - /* initialize or tear down tunnel QPs for the slave */ - for (i = 0; i < ports; i++) { INIT_WORK(&dm[i]->work, mlx4_ib_tunnels_update_work); dm[i]->port = first_port + i + 1; dm[i]->slave = slave; dm[i]->do_init = do_init; dm[i]->dev = ibdev; - spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags); - if (!ibdev->sriov.is_going_down) + } + /* initialize or tear down tunnel QPs for the slave */ + spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags); + if (!ibdev->sriov.is_going_down) { + for (i = 0; i < ports; i++) queue_work(ibdev->sriov.demux[i].ud_wq, &dm[i]->work); spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags); + } else { + spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags); + for (i = 0; i < ports; i++) + kfree(dm[i]); } out: kfree(dm); diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c index 01fc97db45d6..b84d13a487cc 100644 --- a/drivers/infiniband/hw/mlx5/mad.c +++ b/drivers/infiniband/hw/mlx5/mad.c @@ -68,8 +68,9 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; slid = in_wc ? in_wc->slid : be16_to_cpu(IB_LID_PERMISSIVE); diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c index 6b2418b74c99..7c3f2fb44ba5 100644 --- a/drivers/infiniband/hw/mthca/mthca_mad.c +++ b/drivers/infiniband/hw/mthca/mthca_mad.c @@ -209,8 +209,9 @@ int mthca_process_mad(struct ib_device *ibdev, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; /* Forward locally generated traps to the SM */ if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP && diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 9047af429906..8a3ad170d790 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -1520,8 +1520,9 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi int rc = arpindex; struct net_device *netdev; struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter; + __be32 dst_ipaddr = htonl(dst_ip); - rt = ip_route_output(&init_net, htonl(dst_ip), 0, 0, 0); + rt = ip_route_output(&init_net, dst_ipaddr, nesvnic->local_ipaddr, 0, 0); if (IS_ERR(rt)) { printk(KERN_ERR "%s: ip_route_output_key failed for 0x%08X\n", __func__, dst_ip); @@ -1533,7 +1534,7 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi else netdev = nesvnic->netdev; - neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, netdev); + neigh = dst_neigh_lookup(&rt->dst, &dst_ipaddr); rcu_read_lock(); if (neigh) { diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index 02120d340d50..4713dd7ed764 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -3861,7 +3861,7 @@ void nes_manage_arp_cache(struct net_device *netdev, unsigned char *mac_addr, (((u32)mac_addr[2]) << 24) | (((u32)mac_addr[3]) << 16) | (((u32)mac_addr[4]) << 8) | (u32)mac_addr[5]); cqp_wqe->wqe_words[NES_CQP_ARP_WQE_MAC_HIGH_IDX] = cpu_to_le32( - (((u32)mac_addr[0]) << 16) | (u32)mac_addr[1]); + (((u32)mac_addr[0]) << 8) | (u32)mac_addr[1]); } else { cqp_wqe->wqe_words[NES_CQP_ARP_WQE_MAC_ADDR_LOW_IDX] = 0; cqp_wqe->wqe_words[NES_CQP_ARP_WQE_MAC_HIGH_IDX] = 0; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c index 4bafa15708d0..29b27675dd70 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c @@ -215,8 +215,9 @@ int ocrdma_process_mad(struct ib_device *ibdev, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; switch (in_mad->mad_hdr.mgmt_class) { case IB_MGMT_CLASS_PERF_MGMT: diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 8a1398b253a2..d98a707a5eb9 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -696,6 +696,7 @@ static void __exit ocrdma_exit_module(void) ocrdma_unregister_inet6addr_notifier(); ocrdma_unregister_inetaddr_notifier(); ocrdma_rem_debugfs(); + idr_destroy(&ocrdma_dev_id); } module_init(ocrdma_init_module); diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c index 05e3242d8442..9625e7c438e5 100644 --- a/drivers/infiniband/hw/qib/qib_mad.c +++ b/drivers/infiniband/hw/qib/qib_mad.c @@ -2412,8 +2412,9 @@ int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port, const struct ib_mad *in_mad = (const struct ib_mad *)in; struct ib_mad *out_mad = (struct ib_mad *)out; - BUG_ON(in_mad_size != sizeof(*in_mad) || - *out_mad_size != sizeof(*out_mad)); + if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || + *out_mad_size != sizeof(*out_mad))) + return IB_MAD_RESULT_FAILURE; switch (in_mad->mad_hdr.mgmt_class) { case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index bd94b0a6e9e5..79859c4d43c9 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -239,7 +239,7 @@ struct ipoib_cm_tx { struct net_device *dev; struct ipoib_neigh *neigh; struct ipoib_path *path; - struct ipoib_cm_tx_buf *tx_ring; + struct ipoib_tx_buf *tx_ring; unsigned tx_head; unsigned tx_tail; unsigned long flags; @@ -504,6 +504,33 @@ int ipoib_mcast_stop_thread(struct net_device *dev); void ipoib_mcast_dev_down(struct net_device *dev); void ipoib_mcast_dev_flush(struct net_device *dev); +int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req); +void ipoib_dma_unmap_tx(struct ipoib_dev_priv *priv, + struct ipoib_tx_buf *tx_req); + +static inline void ipoib_build_sge(struct ipoib_dev_priv *priv, + struct ipoib_tx_buf *tx_req) +{ + int i, off; + struct sk_buff *skb = tx_req->skb; + skb_frag_t *frags = skb_shinfo(skb)->frags; + int nr_frags = skb_shinfo(skb)->nr_frags; + u64 *mapping = tx_req->mapping; + + if (skb_headlen(skb)) { + priv->tx_sge[0].addr = mapping[0]; + priv->tx_sge[0].length = skb_headlen(skb); + off = 1; + } else + off = 0; + + for (i = 0; i < nr_frags; ++i) { + priv->tx_sge[i + off].addr = mapping[i + off]; + priv->tx_sge[i + off].length = skb_frag_size(&frags[i]); + } + priv->tx_wr.num_sge = nr_frags + off; +} + #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev); int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index cf32a778e7d0..ee39be6ccfb0 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -694,14 +694,12 @@ repost: static inline int post_send(struct ipoib_dev_priv *priv, struct ipoib_cm_tx *tx, unsigned int wr_id, - u64 addr, int len) + struct ipoib_tx_buf *tx_req) { struct ib_send_wr *bad_wr; - priv->tx_sge[0].addr = addr; - priv->tx_sge[0].length = len; + ipoib_build_sge(priv, tx_req); - priv->tx_wr.num_sge = 1; priv->tx_wr.wr_id = wr_id | IPOIB_OP_CM; return ib_post_send(tx->qp, &priv->tx_wr, &bad_wr); @@ -710,8 +708,7 @@ static inline int post_send(struct ipoib_dev_priv *priv, void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx) { struct ipoib_dev_priv *priv = netdev_priv(dev); - struct ipoib_cm_tx_buf *tx_req; - u64 addr; + struct ipoib_tx_buf *tx_req; int rc; if (unlikely(skb->len > tx->mtu)) { @@ -735,24 +732,21 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_ */ tx_req = &tx->tx_ring[tx->tx_head & (ipoib_sendq_size - 1)]; tx_req->skb = skb; - addr = ib_dma_map_single(priv->ca, skb->data, skb->len, DMA_TO_DEVICE); - if (unlikely(ib_dma_mapping_error(priv->ca, addr))) { + + if (unlikely(ipoib_dma_map_tx(priv->ca, tx_req))) { ++dev->stats.tx_errors; dev_kfree_skb_any(skb); return; } - tx_req->mapping = addr; - skb_orphan(skb); skb_dst_drop(skb); - rc = post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1), - addr, skb->len); + rc = post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1), tx_req); if (unlikely(rc)) { ipoib_warn(priv, "post_send failed, error %d\n", rc); ++dev->stats.tx_errors; - ib_dma_unmap_single(priv->ca, addr, skb->len, DMA_TO_DEVICE); + ipoib_dma_unmap_tx(priv, tx_req); dev_kfree_skb_any(skb); } else { dev->trans_start = jiffies; @@ -777,7 +771,7 @@ void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) struct ipoib_dev_priv *priv = netdev_priv(dev); struct ipoib_cm_tx *tx = wc->qp->qp_context; unsigned int wr_id = wc->wr_id & ~IPOIB_OP_CM; - struct ipoib_cm_tx_buf *tx_req; + struct ipoib_tx_buf *tx_req; unsigned long flags; ipoib_dbg_data(priv, "cm send completion: id %d, status: %d\n", @@ -791,7 +785,7 @@ void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) tx_req = &tx->tx_ring[wr_id]; - ib_dma_unmap_single(priv->ca, tx_req->mapping, tx_req->skb->len, DMA_TO_DEVICE); + ipoib_dma_unmap_tx(priv, tx_req); /* FIXME: is this right? Shouldn't we only increment on success? */ ++dev->stats.tx_packets; @@ -1036,6 +1030,9 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_ struct ib_qp *tx_qp; + if (dev->features & NETIF_F_SG) + attr.cap.max_send_sge = MAX_SKB_FRAGS + 1; + tx_qp = ib_create_qp(priv->pd, &attr); if (PTR_ERR(tx_qp) == -EINVAL) { ipoib_warn(priv, "can't use GFP_NOIO for QPs on device %s, using GFP_KERNEL\n", @@ -1170,7 +1167,7 @@ err_tx: static void ipoib_cm_tx_destroy(struct ipoib_cm_tx *p) { struct ipoib_dev_priv *priv = netdev_priv(p->dev); - struct ipoib_cm_tx_buf *tx_req; + struct ipoib_tx_buf *tx_req; unsigned long begin; ipoib_dbg(priv, "Destroy active connection 0x%x head 0x%x tail 0x%x\n", @@ -1197,8 +1194,7 @@ timeout: while ((int) p->tx_tail - (int) p->tx_head < 0) { tx_req = &p->tx_ring[p->tx_tail & (ipoib_sendq_size - 1)]; - ib_dma_unmap_single(priv->ca, tx_req->mapping, tx_req->skb->len, - DMA_TO_DEVICE); + ipoib_dma_unmap_tx(priv, tx_req); dev_kfree_skb_any(tx_req->skb); ++p->tx_tail; netif_tx_lock_bh(p->dev); @@ -1455,7 +1451,6 @@ static void ipoib_cm_stale_task(struct work_struct *work) spin_unlock_irq(&priv->lock); } - static ssize_t show_mode(struct device *d, struct device_attribute *attr, char *buf) { diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 63b92cbb29ad..d266667ca9b8 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -263,8 +263,7 @@ repost: "for buf %d\n", wr_id); } -static int ipoib_dma_map_tx(struct ib_device *ca, - struct ipoib_tx_buf *tx_req) +int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req) { struct sk_buff *skb = tx_req->skb; u64 *mapping = tx_req->mapping; @@ -305,8 +304,8 @@ partial_error: return -EIO; } -static void ipoib_dma_unmap_tx(struct ib_device *ca, - struct ipoib_tx_buf *tx_req) +void ipoib_dma_unmap_tx(struct ipoib_dev_priv *priv, + struct ipoib_tx_buf *tx_req) { struct sk_buff *skb = tx_req->skb; u64 *mapping = tx_req->mapping; @@ -314,7 +313,8 @@ static void ipoib_dma_unmap_tx(struct ib_device *ca, int off; if (skb_headlen(skb)) { - ib_dma_unmap_single(ca, mapping[0], skb_headlen(skb), DMA_TO_DEVICE); + ib_dma_unmap_single(priv->ca, mapping[0], skb_headlen(skb), + DMA_TO_DEVICE); off = 1; } else off = 0; @@ -322,8 +322,8 @@ static void ipoib_dma_unmap_tx(struct ib_device *ca, for (i = 0; i < skb_shinfo(skb)->nr_frags; ++i) { const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - ib_dma_unmap_page(ca, mapping[i + off], skb_frag_size(frag), - DMA_TO_DEVICE); + ib_dma_unmap_page(priv->ca, mapping[i + off], + skb_frag_size(frag), DMA_TO_DEVICE); } } @@ -389,7 +389,7 @@ static void ipoib_ib_handle_tx_wc(struct net_device *dev, struct ib_wc *wc) tx_req = &priv->tx_ring[wr_id]; - ipoib_dma_unmap_tx(priv->ca, tx_req); + ipoib_dma_unmap_tx(priv, tx_req); ++dev->stats.tx_packets; dev->stats.tx_bytes += tx_req->skb->len; @@ -514,24 +514,10 @@ static inline int post_send(struct ipoib_dev_priv *priv, void *head, int hlen) { struct ib_send_wr *bad_wr; - int i, off; struct sk_buff *skb = tx_req->skb; - skb_frag_t *frags = skb_shinfo(skb)->frags; - int nr_frags = skb_shinfo(skb)->nr_frags; - u64 *mapping = tx_req->mapping; - if (skb_headlen(skb)) { - priv->tx_sge[0].addr = mapping[0]; - priv->tx_sge[0].length = skb_headlen(skb); - off = 1; - } else - off = 0; + ipoib_build_sge(priv, tx_req); - for (i = 0; i < nr_frags; ++i) { - priv->tx_sge[i + off].addr = mapping[i + off]; - priv->tx_sge[i + off].length = skb_frag_size(&frags[i]); - } - priv->tx_wr.num_sge = nr_frags + off; priv->tx_wr.wr_id = wr_id; priv->tx_wr.wr.ud.remote_qpn = qpn; priv->tx_wr.wr.ud.ah = address; @@ -617,7 +603,7 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb, ipoib_warn(priv, "post_send failed, error %d\n", rc); ++dev->stats.tx_errors; --priv->tx_outstanding; - ipoib_dma_unmap_tx(priv->ca, tx_req); + ipoib_dma_unmap_tx(priv, tx_req); dev_kfree_skb_any(skb); if (netif_queue_stopped(dev)) netif_wake_queue(dev); @@ -868,7 +854,7 @@ int ipoib_ib_dev_stop(struct net_device *dev) while ((int) priv->tx_tail - (int) priv->tx_head < 0) { tx_req = &priv->tx_ring[priv->tx_tail & (ipoib_sendq_size - 1)]; - ipoib_dma_unmap_tx(priv->ca, tx_req); + ipoib_dma_unmap_tx(priv, tx_req); dev_kfree_skb_any(tx_req->skb); ++priv->tx_tail; --priv->tx_outstanding; @@ -985,20 +971,21 @@ static inline int update_child_pkey(struct ipoib_dev_priv *priv) } static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, - enum ipoib_flush_level level) + enum ipoib_flush_level level, + int nesting) { struct ipoib_dev_priv *cpriv; struct net_device *dev = priv->dev; int result; - down_read(&priv->vlan_rwsem); + down_read_nested(&priv->vlan_rwsem, nesting); /* * Flush any child interfaces too -- they might be up even if * the parent is down. */ list_for_each_entry(cpriv, &priv->child_intfs, list) - __ipoib_ib_dev_flush(cpriv, level); + __ipoib_ib_dev_flush(cpriv, level, nesting + 1); up_read(&priv->vlan_rwsem); @@ -1076,7 +1063,7 @@ void ipoib_ib_dev_flush_light(struct work_struct *work) struct ipoib_dev_priv *priv = container_of(work, struct ipoib_dev_priv, flush_light); - __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_LIGHT); + __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_LIGHT, 0); } void ipoib_ib_dev_flush_normal(struct work_struct *work) @@ -1084,7 +1071,7 @@ void ipoib_ib_dev_flush_normal(struct work_struct *work) struct ipoib_dev_priv *priv = container_of(work, struct ipoib_dev_priv, flush_normal); - __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_NORMAL); + __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_NORMAL, 0); } void ipoib_ib_dev_flush_heavy(struct work_struct *work) @@ -1092,7 +1079,7 @@ void ipoib_ib_dev_flush_heavy(struct work_struct *work) struct ipoib_dev_priv *priv = container_of(work, struct ipoib_dev_priv, flush_heavy); - __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_HEAVY); + __ipoib_ib_dev_flush(priv, IPOIB_FLUSH_HEAVY, 0); } void ipoib_ib_dev_cleanup(struct net_device *dev) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index da149c278cb8..b2943c84a5dd 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -190,7 +190,7 @@ static netdev_features_t ipoib_fix_features(struct net_device *dev, netdev_featu struct ipoib_dev_priv *priv = netdev_priv(dev); if (test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags)) - features &= ~(NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); + features &= ~(NETIF_F_IP_CSUM | NETIF_F_TSO); return features; } @@ -232,6 +232,7 @@ int ipoib_set_mode(struct net_device *dev, const char *buf) ipoib_warn(priv, "enabling connected mode " "will cause multicast packet drops\n"); netdev_update_features(dev); + dev_set_mtu(dev, ipoib_cm_max_mtu(dev)); rtnl_unlock(); priv->tx_wr.send_flags &= ~IB_SEND_IP_CSUM; @@ -1577,7 +1578,8 @@ static struct net_device *ipoib_add_port(const char *format, SET_NETDEV_DEV(priv->dev, hca->dma_device); priv->dev->dev_id = port - 1; - if (!ib_query_port(hca, port, &attr)) + result = ib_query_port(hca, port, &attr); + if (!result) priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu); else { printk(KERN_WARNING "%s: ib_query_port %d failed\n", @@ -1598,7 +1600,8 @@ static struct net_device *ipoib_add_port(const char *format, goto device_init_failed; } - if (ipoib_set_dev_features(priv, hca)) + result = ipoib_set_dev_features(priv, hca); + if (result) goto device_init_failed; /* @@ -1684,7 +1687,7 @@ static void ipoib_add_one(struct ib_device *device) struct list_head *dev_list; struct net_device *dev; struct ipoib_dev_priv *priv; - int s, e, p; + int p; int count = 0; dev_list = kmalloc(sizeof *dev_list, GFP_KERNEL); @@ -1693,15 +1696,7 @@ static void ipoib_add_one(struct ib_device *device) INIT_LIST_HEAD(dev_list); - if (device->node_type == RDMA_NODE_IB_SWITCH) { - s = 0; - e = 0; - } else { - s = 1; - e = device->phys_port_cnt; - } - - for (p = s; p <= e; ++p) { + for (p = rdma_start_port(device); p <= rdma_end_port(device); ++p) { if (!rdma_protocol_ib(device, p)) continue; dev = ipoib_add_port("ib%d", device, p); diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 267dc4f75502..31a20b462266 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -161,13 +161,10 @@ static int srp_tmo_set(const char *val, const struct kernel_param *kp) { int tmo, res; - if (strncmp(val, "off", 3) != 0) { - res = kstrtoint(val, 0, &tmo); - if (res) - goto out; - } else { - tmo = -1; - } + res = srp_parse_tmo(&tmo, val); + if (res) + goto out; + if (kp->arg == &srp_reconnect_delay) res = srp_tmo_valid(tmo, srp_fast_io_fail_tmo, srp_dev_loss_tmo); @@ -3379,7 +3376,7 @@ static void srp_add_one(struct ib_device *device) struct srp_device *srp_dev; struct ib_device_attr *dev_attr; struct srp_host *host; - int mr_page_shift, s, e, p; + int mr_page_shift, p; u64 max_pages_per_mr; dev_attr = kmalloc(sizeof *dev_attr, GFP_KERNEL); @@ -3443,15 +3440,7 @@ static void srp_add_one(struct ib_device *device) if (IS_ERR(srp_dev->mr)) goto err_pd; - if (device->node_type == RDMA_NODE_IB_SWITCH) { - s = 0; - e = 0; - } else { - s = 1; - e = device->phys_port_cnt; - } - - for (p = s; p <= e; ++p) { + for (p = rdma_start_port(device); p <= rdma_end_port(device); ++p) { host = srp_add_port(srp_dev, p); if (host) list_add_tail(&host->list, &srp_dev->dev_list); diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 82897ca17f32..60ff0a2390e5 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -302,7 +302,7 @@ static void srpt_get_iou(struct ib_dm_mad *mad) int i; ioui = (struct ib_dm_iou_info *)mad->data; - ioui->change_id = __constant_cpu_to_be16(1); + ioui->change_id = cpu_to_be16(1); ioui->max_controllers = 16; /* set present for slot 1 and empty for the rest */ @@ -330,13 +330,13 @@ static void srpt_get_ioc(struct srpt_port *sport, u32 slot, if (!slot || slot > 16) { mad->mad_hdr.status - = __constant_cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD); + = cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD); return; } if (slot > 2) { mad->mad_hdr.status - = __constant_cpu_to_be16(DM_MAD_STATUS_NO_IOC); + = cpu_to_be16(DM_MAD_STATUS_NO_IOC); return; } @@ -348,10 +348,10 @@ static void srpt_get_ioc(struct srpt_port *sport, u32 slot, iocp->device_version = cpu_to_be16(sdev->dev_attr.hw_ver); iocp->subsys_vendor_id = cpu_to_be32(sdev->dev_attr.vendor_id); iocp->subsys_device_id = 0x0; - iocp->io_class = __constant_cpu_to_be16(SRP_REV16A_IB_IO_CLASS); - iocp->io_subclass = __constant_cpu_to_be16(SRP_IO_SUBCLASS); - iocp->protocol = __constant_cpu_to_be16(SRP_PROTOCOL); - iocp->protocol_version = __constant_cpu_to_be16(SRP_PROTOCOL_VERSION); + iocp->io_class = cpu_to_be16(SRP_REV16A_IB_IO_CLASS); + iocp->io_subclass = cpu_to_be16(SRP_IO_SUBCLASS); + iocp->protocol = cpu_to_be16(SRP_PROTOCOL); + iocp->protocol_version = cpu_to_be16(SRP_PROTOCOL_VERSION); iocp->send_queue_depth = cpu_to_be16(sdev->srq_size); iocp->rdma_read_depth = 4; iocp->send_size = cpu_to_be32(srp_max_req_size); @@ -379,13 +379,13 @@ static void srpt_get_svc_entries(u64 ioc_guid, if (!slot || slot > 16) { mad->mad_hdr.status - = __constant_cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD); + = cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD); return; } if (slot > 2 || lo > hi || hi > 1) { mad->mad_hdr.status - = __constant_cpu_to_be16(DM_MAD_STATUS_NO_IOC); + = cpu_to_be16(DM_MAD_STATUS_NO_IOC); return; } @@ -436,7 +436,7 @@ static void srpt_mgmt_method_get(struct srpt_port *sp, struct ib_mad *rq_mad, break; default: rsp_mad->mad_hdr.status = - __constant_cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR); + cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR); break; } } @@ -493,11 +493,11 @@ static void srpt_mad_recv_handler(struct ib_mad_agent *mad_agent, break; case IB_MGMT_METHOD_SET: dm_mad->mad_hdr.status = - __constant_cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR); + cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR); break; default: dm_mad->mad_hdr.status = - __constant_cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD); + cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD); break; } @@ -1535,7 +1535,7 @@ static int srpt_build_cmd_rsp(struct srpt_rdma_ch *ch, memset(srp_rsp, 0, sizeof *srp_rsp); srp_rsp->opcode = SRP_RSP; srp_rsp->req_lim_delta = - __constant_cpu_to_be32(1 + atomic_xchg(&ch->req_lim_delta, 0)); + cpu_to_be32(1 + atomic_xchg(&ch->req_lim_delta, 0)); srp_rsp->tag = tag; srp_rsp->status = status; @@ -1585,8 +1585,8 @@ static int srpt_build_tskmgmt_rsp(struct srpt_rdma_ch *ch, memset(srp_rsp, 0, sizeof *srp_rsp); srp_rsp->opcode = SRP_RSP; - srp_rsp->req_lim_delta = __constant_cpu_to_be32(1 - + atomic_xchg(&ch->req_lim_delta, 0)); + srp_rsp->req_lim_delta = + cpu_to_be32(1 + atomic_xchg(&ch->req_lim_delta, 0)); srp_rsp->tag = tag; srp_rsp->flags |= SRP_RSP_FLAG_RSPVALID; @@ -1630,7 +1630,7 @@ static uint64_t srpt_unpack_lun(const uint8_t *lun, int len) switch (len) { case 8: if ((*((__be64 *)lun) & - __constant_cpu_to_be64(0x0000FFFFFFFFFFFFLL)) != 0) + cpu_to_be64(0x0000FFFFFFFFFFFFLL)) != 0) goto out_err; break; case 4: @@ -2449,8 +2449,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, } if (it_iu_len > srp_max_req_size || it_iu_len < 64) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_REQ_IT_IU_LENGTH_TOO_LARGE); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_REQ_IT_IU_LENGTH_TOO_LARGE); ret = -EINVAL; pr_err("rejected SRP_LOGIN_REQ because its" " length (%d bytes) is out of range (%d .. %d)\n", @@ -2459,8 +2459,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, } if (!sport->enabled) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); ret = -EINVAL; pr_err("rejected SRP_LOGIN_REQ because the target port" " has not yet been enabled\n"); @@ -2505,8 +2505,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, if (*(__be64 *)req->target_port_id != cpu_to_be64(srpt_service_guid) || *(__be64 *)(req->target_port_id + 8) != cpu_to_be64(srpt_service_guid)) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_UNABLE_ASSOCIATE_CHANNEL); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_UNABLE_ASSOCIATE_CHANNEL); ret = -ENOMEM; pr_err("rejected SRP_LOGIN_REQ because it" " has an invalid target port identifier.\n"); @@ -2515,8 +2515,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, ch = kzalloc(sizeof *ch, GFP_KERNEL); if (!ch) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_err("rejected SRP_LOGIN_REQ because no memory.\n"); ret = -ENOMEM; goto reject; @@ -2552,8 +2552,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, ret = srpt_create_ch_ib(ch); if (ret) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_err("rejected SRP_LOGIN_REQ because creating" " a new RDMA channel failed.\n"); goto free_ring; @@ -2561,8 +2561,7 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, ret = srpt_ch_qp_rtr(ch, ch->qp); if (ret) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32(SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_err("rejected SRP_LOGIN_REQ because enabling" " RTR failed (error code = %d)\n", ret); goto destroy_ib; @@ -2580,15 +2579,15 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, if (!nacl) { pr_info("Rejected login because no ACL has been" " configured yet for initiator %s.\n", ch->sess_name); - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_CHANNEL_LIMIT_REACHED); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_CHANNEL_LIMIT_REACHED); goto destroy_ib; } ch->sess = transport_init_session(TARGET_PROT_NORMAL); if (IS_ERR(ch->sess)) { - rej->reason = __constant_cpu_to_be32( - SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); + rej->reason = cpu_to_be32( + SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_debug("Failed to create session\n"); goto deregister_session; } @@ -2604,8 +2603,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, rsp->max_it_iu_len = req->req_it_iu_len; rsp->max_ti_iu_len = req->req_it_iu_len; ch->max_ti_iu_len = it_iu_len; - rsp->buf_fmt = __constant_cpu_to_be16(SRP_BUF_FORMAT_DIRECT - | SRP_BUF_FORMAT_INDIRECT); + rsp->buf_fmt = cpu_to_be16(SRP_BUF_FORMAT_DIRECT + | SRP_BUF_FORMAT_INDIRECT); rsp->req_lim_delta = cpu_to_be32(ch->rq_size); atomic_set(&ch->req_lim, ch->rq_size); atomic_set(&ch->req_lim_delta, 0); @@ -2655,8 +2654,8 @@ free_ch: reject: rej->opcode = SRP_LOGIN_REJ; rej->tag = req->tag; - rej->buf_fmt = __constant_cpu_to_be16(SRP_BUF_FORMAT_DIRECT - | SRP_BUF_FORMAT_INDIRECT); + rej->buf_fmt = cpu_to_be16(SRP_BUF_FORMAT_DIRECT + | SRP_BUF_FORMAT_INDIRECT); ib_send_cm_rej(cm_id, IB_CM_REJ_CONSUMER_DEFINED, NULL, 0, (void *)rej, sizeof *rej); diff --git a/drivers/input/input-leds.c b/drivers/input/input-leds.c index 074a65ed17bb..766bf2660116 100644 --- a/drivers/input/input-leds.c +++ b/drivers/input/input-leds.c @@ -71,6 +71,18 @@ static void input_leds_event(struct input_handle *handle, unsigned int type, { } +static int input_leds_get_count(struct input_dev *dev) +{ + unsigned int led_code; + int count = 0; + + for_each_set_bit(led_code, dev->ledbit, LED_CNT) + if (input_led_info[led_code].name) + count++; + + return count; +} + static int input_leds_connect(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id) @@ -81,7 +93,7 @@ static int input_leds_connect(struct input_handler *handler, int led_no; int error; - num_leds = bitmap_weight(dev->ledbit, LED_CNT); + num_leds = input_leds_get_count(dev); if (!num_leds) return -ENXIO; @@ -112,7 +124,7 @@ static int input_leds_connect(struct input_handler *handler, led->handle = &leds->handle; led->code = led_code; - if (WARN_ON(!input_led_info[led_code].name)) + if (!input_led_info[led_code].name) continue; led->cdev.name = kasprintf(GFP_KERNEL, "%s::%s", diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index ce3d40004458..22b9ca901f4e 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1167,7 +1167,7 @@ static int elantech_set_input_params(struct psmouse *psmouse) struct input_dev *dev = psmouse->dev; struct elantech_data *etd = psmouse->private; unsigned int x_min = 0, y_min = 0, x_max = 0, y_max = 0, width = 0; - unsigned int x_res = 0, y_res = 0; + unsigned int x_res = 31, y_res = 31; if (elantech_set_range(psmouse, &x_min, &y_min, &x_max, &y_max, &width)) return -1; @@ -1232,8 +1232,6 @@ static int elantech_set_input_params(struct psmouse *psmouse) /* For X to recognize me as touchpad. */ input_set_abs_params(dev, ABS_X, x_min, x_max, 0, 0); input_set_abs_params(dev, ABS_Y, y_min, y_max, 0, 0); - input_abs_set_res(dev, ABS_X, x_res); - input_abs_set_res(dev, ABS_Y, y_res); /* * range of pressure and width is the same as v2, * report ABS_PRESSURE, ABS_TOOL_WIDTH for compatibility. @@ -1246,8 +1244,6 @@ static int elantech_set_input_params(struct psmouse *psmouse) input_mt_init_slots(dev, ETP_MAX_FINGERS, 0); input_set_abs_params(dev, ABS_MT_POSITION_X, x_min, x_max, 0, 0); input_set_abs_params(dev, ABS_MT_POSITION_Y, y_min, y_max, 0, 0); - input_abs_set_res(dev, ABS_MT_POSITION_X, x_res); - input_abs_set_res(dev, ABS_MT_POSITION_Y, y_res); input_set_abs_params(dev, ABS_MT_PRESSURE, ETP_PMIN_V2, ETP_PMAX_V2, 0, 0); /* @@ -1259,6 +1255,13 @@ static int elantech_set_input_params(struct psmouse *psmouse) break; } + input_abs_set_res(dev, ABS_X, x_res); + input_abs_set_res(dev, ABS_Y, y_res); + if (etd->hw_version > 1) { + input_abs_set_res(dev, ABS_MT_POSITION_X, x_res); + input_abs_set_res(dev, ABS_MT_POSITION_Y, y_res); + } + etd->y_max = y_max; etd->width = width; diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index b4d12e29abff..e36162b28c2a 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -15,6 +15,7 @@ */ #include <linux/kernel.h> +#include <linux/dmi.h> #include <linux/i2c.h> #include <linux/input.h> #include <linux/input/mt.h> @@ -34,6 +35,7 @@ struct goodix_ts_data { int abs_y_max; unsigned int max_touch_num; unsigned int int_trigger_type; + bool rotated_screen; }; #define GOODIX_MAX_HEIGHT 4096 @@ -60,6 +62,30 @@ static const unsigned long goodix_irq_flags[] = { IRQ_TYPE_LEVEL_HIGH, }; +/* + * Those tablets have their coordinates origin at the bottom right + * of the tablet, as if rotated 180 degrees + */ +static const struct dmi_system_id rotated_screen[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_X86) + { + .ident = "WinBook TW100", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "WinBook"), + DMI_MATCH(DMI_PRODUCT_NAME, "TW100") + } + }, + { + .ident = "WinBook TW700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "WinBook"), + DMI_MATCH(DMI_PRODUCT_NAME, "TW700") + }, + }, +#endif + {} +}; + /** * goodix_i2c_read - read data from a register of the i2c slave device. * @@ -129,6 +155,11 @@ static void goodix_ts_report_touch(struct goodix_ts_data *ts, u8 *coor_data) int input_y = get_unaligned_le16(&coor_data[3]); int input_w = get_unaligned_le16(&coor_data[5]); + if (ts->rotated_screen) { + input_x = ts->abs_x_max - input_x; + input_y = ts->abs_y_max - input_y; + } + input_mt_slot(ts->input_dev, id); input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, true); input_report_abs(ts->input_dev, ABS_MT_POSITION_X, input_x); @@ -223,6 +254,11 @@ static void goodix_read_config(struct goodix_ts_data *ts) ts->abs_y_max = GOODIX_MAX_HEIGHT; ts->max_touch_num = GOODIX_MAX_CONTACTS; } + + ts->rotated_screen = dmi_check_system(rotated_screen); + if (ts->rotated_screen) + dev_dbg(&ts->client->dev, + "Applying '180 degrees rotated screen' quirk\n"); } /** diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index f2c6c352c55a..2c41107240de 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -627,6 +627,9 @@ static int dmc_tsc10_init(struct usbtouch_usb *usbtouch) goto err_out; } + /* TSC-25 data sheet specifies a delay after the RESET command */ + msleep(150); + /* set coordinate output rate */ buf[0] = buf[1] = 0xFF; ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c index f58a196521a9..80285c71786e 100644 --- a/drivers/input/touchscreen/zforce_ts.c +++ b/drivers/input/touchscreen/zforce_ts.c @@ -429,7 +429,7 @@ static int zforce_read_packet(struct zforce_ts *ts, u8 *buf) goto unlock; } - if (buf[PAYLOAD_LENGTH] == 0) { + if (buf[PAYLOAD_LENGTH] == 0 || buf[PAYLOAD_LENGTH] > FRAME_MAXSIZE) { dev_err(&client->dev, "invalid payload length: %d\n", buf[PAYLOAD_LENGTH]); ret = -EIO; diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 8e9ec81ce4bb..da902baaa794 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -199,9 +199,10 @@ * Stream table. * * Linear: Enough to cover 1 << IDR1.SIDSIZE entries - * 2lvl: 8k L1 entries, 256 lazy entries per table (each table covers a PCI bus) + * 2lvl: 128k L1 entries, + * 256 lazy entries per table (each table covers a PCI bus) */ -#define STRTAB_L1_SZ_SHIFT 16 +#define STRTAB_L1_SZ_SHIFT 20 #define STRTAB_SPLIT 8 #define STRTAB_L1_DESC_DWORDS 1 @@ -269,10 +270,10 @@ #define ARM64_TCR_TG0_SHIFT 14 #define ARM64_TCR_TG0_MASK 0x3UL #define CTXDESC_CD_0_TCR_IRGN0_SHIFT 8 -#define ARM64_TCR_IRGN0_SHIFT 24 +#define ARM64_TCR_IRGN0_SHIFT 8 #define ARM64_TCR_IRGN0_MASK 0x3UL #define CTXDESC_CD_0_TCR_ORGN0_SHIFT 10 -#define ARM64_TCR_ORGN0_SHIFT 26 +#define ARM64_TCR_ORGN0_SHIFT 10 #define ARM64_TCR_ORGN0_MASK 0x3UL #define CTXDESC_CD_0_TCR_SH0_SHIFT 12 #define ARM64_TCR_SH0_SHIFT 12 @@ -542,6 +543,9 @@ struct arm_smmu_device { #define ARM_SMMU_FEAT_HYP (1 << 12) u32 features; +#define ARM_SMMU_OPT_SKIP_PREFETCH (1 << 0) + u32 options; + struct arm_smmu_cmdq cmdq; struct arm_smmu_evtq evtq; struct arm_smmu_priq priq; @@ -602,11 +606,35 @@ struct arm_smmu_domain { static DEFINE_SPINLOCK(arm_smmu_devices_lock); static LIST_HEAD(arm_smmu_devices); +struct arm_smmu_option_prop { + u32 opt; + const char *prop; +}; + +static struct arm_smmu_option_prop arm_smmu_options[] = { + { ARM_SMMU_OPT_SKIP_PREFETCH, "hisilicon,broken-prefetch-cmd" }, + { 0, NULL}, +}; + static struct arm_smmu_domain *to_smmu_domain(struct iommu_domain *dom) { return container_of(dom, struct arm_smmu_domain, domain); } +static void parse_driver_options(struct arm_smmu_device *smmu) +{ + int i = 0; + + do { + if (of_property_read_bool(smmu->dev->of_node, + arm_smmu_options[i].prop)) { + smmu->options |= arm_smmu_options[i].opt; + dev_notice(smmu->dev, "option %s\n", + arm_smmu_options[i].prop); + } + } while (arm_smmu_options[++i].opt); +} + /* Low-level queue manipulation functions */ static bool queue_full(struct arm_smmu_queue *q) { @@ -1036,7 +1064,8 @@ static void arm_smmu_write_strtab_ent(struct arm_smmu_device *smmu, u32 sid, arm_smmu_sync_ste_for_sid(smmu, sid); /* It's likely that we'll want to use the new STE soon */ - arm_smmu_cmdq_issue_cmd(smmu, &prefetch_cmd); + if (!(smmu->options & ARM_SMMU_OPT_SKIP_PREFETCH)) + arm_smmu_cmdq_issue_cmd(smmu, &prefetch_cmd); } static void arm_smmu_init_bypass_stes(u64 *strtab, unsigned int nent) @@ -1064,7 +1093,7 @@ static int arm_smmu_init_l2_strtab(struct arm_smmu_device *smmu, u32 sid) return 0; size = 1 << (STRTAB_SPLIT + ilog2(STRTAB_STE_DWORDS) + 3); - strtab = &cfg->strtab[sid >> STRTAB_SPLIT << STRTAB_L1_DESC_DWORDS]; + strtab = &cfg->strtab[(sid >> STRTAB_SPLIT) * STRTAB_L1_DESC_DWORDS]; desc->span = STRTAB_SPLIT + 1; desc->l2ptr = dma_zalloc_coherent(smmu->dev, size, &desc->l2ptr_dma, @@ -2020,21 +2049,23 @@ static int arm_smmu_init_strtab_2lvl(struct arm_smmu_device *smmu) { void *strtab; u64 reg; - u32 size; + u32 size, l1size; int ret; struct arm_smmu_strtab_cfg *cfg = &smmu->strtab_cfg; /* Calculate the L1 size, capped to the SIDSIZE */ size = STRTAB_L1_SZ_SHIFT - (ilog2(STRTAB_L1_DESC_DWORDS) + 3); size = min(size, smmu->sid_bits - STRTAB_SPLIT); - if (size + STRTAB_SPLIT < smmu->sid_bits) + cfg->num_l1_ents = 1 << size; + + size += STRTAB_SPLIT; + if (size < smmu->sid_bits) dev_warn(smmu->dev, "2-level strtab only covers %u/%u bits of SID\n", - size + STRTAB_SPLIT, smmu->sid_bits); + size, smmu->sid_bits); - cfg->num_l1_ents = 1 << size; - size = cfg->num_l1_ents * (STRTAB_L1_DESC_DWORDS << 3); - strtab = dma_zalloc_coherent(smmu->dev, size, &cfg->strtab_dma, + l1size = cfg->num_l1_ents * (STRTAB_L1_DESC_DWORDS << 3); + strtab = dma_zalloc_coherent(smmu->dev, l1size, &cfg->strtab_dma, GFP_KERNEL); if (!strtab) { dev_err(smmu->dev, @@ -2055,8 +2086,7 @@ static int arm_smmu_init_strtab_2lvl(struct arm_smmu_device *smmu) ret = arm_smmu_init_l1_strtab(smmu); if (ret) dma_free_coherent(smmu->dev, - cfg->num_l1_ents * - (STRTAB_L1_DESC_DWORDS << 3), + l1size, strtab, cfg->strtab_dma); return ret; @@ -2573,6 +2603,8 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) if (irq > 0) smmu->gerr_irq = irq; + parse_driver_options(smmu); + /* Probe the h/w */ ret = arm_smmu_device_probe(smmu); if (ret) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a98a7b27aca1..0649b94f5958 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1830,8 +1830,9 @@ static int domain_init(struct dmar_domain *domain, int guest_width) static void domain_exit(struct dmar_domain *domain) { + struct dmar_drhd_unit *drhd; + struct intel_iommu *iommu; struct page *freelist = NULL; - int i; /* Domain 0 is reserved, so dont process it */ if (!domain) @@ -1851,8 +1852,10 @@ static void domain_exit(struct dmar_domain *domain) /* clear attached or cached domains */ rcu_read_lock(); - for_each_set_bit(i, domain->iommu_bmp, g_num_of_iommus) - iommu_detach_domain(domain, g_iommus[i]); + for_each_active_iommu(iommu, drhd) + if (domain_type_is_vm(domain) || + test_bit(iommu->seq_id, domain->iommu_bmp)) + iommu_detach_domain(domain, iommu); rcu_read_unlock(); dma_free_pagelist(freelist); diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 1b7e155869f6..c00e2db351ba 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -75,6 +75,13 @@ struct its_node { #define ITS_ITT_ALIGN SZ_256 +struct event_lpi_map { + unsigned long *lpi_map; + u16 *col_map; + irq_hw_number_t lpi_base; + int nr_lpis; +}; + /* * The ITS view of a device - belongs to an ITS, a collection, owns an * interrupt translation table, and a list of interrupts. @@ -82,11 +89,8 @@ struct its_node { struct its_device { struct list_head entry; struct its_node *its; - struct its_collection *collection; + struct event_lpi_map event_map; void *itt; - unsigned long *lpi_map; - irq_hw_number_t lpi_base; - int nr_lpis; u32 nr_ites; u32 device_id; }; @@ -99,6 +103,14 @@ static struct rdists *gic_rdists; #define gic_data_rdist() (raw_cpu_ptr(gic_rdists->rdist)) #define gic_data_rdist_rd_base() (gic_data_rdist()->rd_base) +static struct its_collection *dev_event_to_col(struct its_device *its_dev, + u32 event) +{ + struct its_node *its = its_dev->its; + + return its->collections + its_dev->event_map.col_map[event]; +} + /* * ITS command descriptors - parameters to be encoded in a command * block. @@ -134,7 +146,7 @@ struct its_cmd_desc { struct { struct its_device *dev; struct its_collection *col; - u32 id; + u32 event_id; } its_movi_cmd; struct { @@ -241,7 +253,7 @@ static struct its_collection *its_build_mapd_cmd(struct its_cmd_block *cmd, its_fixup_cmd(cmd); - return desc->its_mapd_cmd.dev->collection; + return NULL; } static struct its_collection *its_build_mapc_cmd(struct its_cmd_block *cmd, @@ -260,52 +272,72 @@ static struct its_collection *its_build_mapc_cmd(struct its_cmd_block *cmd, static struct its_collection *its_build_mapvi_cmd(struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + struct its_collection *col; + + col = dev_event_to_col(desc->its_mapvi_cmd.dev, + desc->its_mapvi_cmd.event_id); + its_encode_cmd(cmd, GITS_CMD_MAPVI); its_encode_devid(cmd, desc->its_mapvi_cmd.dev->device_id); its_encode_event_id(cmd, desc->its_mapvi_cmd.event_id); its_encode_phys_id(cmd, desc->its_mapvi_cmd.phys_id); - its_encode_collection(cmd, desc->its_mapvi_cmd.dev->collection->col_id); + its_encode_collection(cmd, col->col_id); its_fixup_cmd(cmd); - return desc->its_mapvi_cmd.dev->collection; + return col; } static struct its_collection *its_build_movi_cmd(struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + struct its_collection *col; + + col = dev_event_to_col(desc->its_movi_cmd.dev, + desc->its_movi_cmd.event_id); + its_encode_cmd(cmd, GITS_CMD_MOVI); its_encode_devid(cmd, desc->its_movi_cmd.dev->device_id); - its_encode_event_id(cmd, desc->its_movi_cmd.id); + its_encode_event_id(cmd, desc->its_movi_cmd.event_id); its_encode_collection(cmd, desc->its_movi_cmd.col->col_id); its_fixup_cmd(cmd); - return desc->its_movi_cmd.dev->collection; + return col; } static struct its_collection *its_build_discard_cmd(struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + struct its_collection *col; + + col = dev_event_to_col(desc->its_discard_cmd.dev, + desc->its_discard_cmd.event_id); + its_encode_cmd(cmd, GITS_CMD_DISCARD); its_encode_devid(cmd, desc->its_discard_cmd.dev->device_id); its_encode_event_id(cmd, desc->its_discard_cmd.event_id); its_fixup_cmd(cmd); - return desc->its_discard_cmd.dev->collection; + return col; } static struct its_collection *its_build_inv_cmd(struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + struct its_collection *col; + + col = dev_event_to_col(desc->its_inv_cmd.dev, + desc->its_inv_cmd.event_id); + its_encode_cmd(cmd, GITS_CMD_INV); its_encode_devid(cmd, desc->its_inv_cmd.dev->device_id); its_encode_event_id(cmd, desc->its_inv_cmd.event_id); its_fixup_cmd(cmd); - return desc->its_inv_cmd.dev->collection; + return col; } static struct its_collection *its_build_invall_cmd(struct its_cmd_block *cmd, @@ -497,7 +529,7 @@ static void its_send_movi(struct its_device *dev, desc.its_movi_cmd.dev = dev; desc.its_movi_cmd.col = col; - desc.its_movi_cmd.id = id; + desc.its_movi_cmd.event_id = id; its_send_single_command(dev->its, its_build_movi_cmd, &desc); } @@ -528,7 +560,7 @@ static void its_send_invall(struct its_node *its, struct its_collection *col) static inline u32 its_get_event_id(struct irq_data *d) { struct its_device *its_dev = irq_data_get_irq_chip_data(d); - return d->hwirq - its_dev->lpi_base; + return d->hwirq - its_dev->event_map.lpi_base; } static void lpi_set_config(struct irq_data *d, bool enable) @@ -583,7 +615,7 @@ static int its_set_affinity(struct irq_data *d, const struct cpumask *mask_val, target_col = &its_dev->its->collections[cpu]; its_send_movi(its_dev, target_col, id); - its_dev->collection = target_col; + its_dev->event_map.col_map[id] = cpu; return IRQ_SET_MASK_OK_DONE; } @@ -713,8 +745,10 @@ out: return bitmap; } -static void its_lpi_free(unsigned long *bitmap, int base, int nr_ids) +static void its_lpi_free(struct event_lpi_map *map) { + int base = map->lpi_base; + int nr_ids = map->nr_lpis; int lpi; spin_lock(&lpi_lock); @@ -731,7 +765,8 @@ static void its_lpi_free(unsigned long *bitmap, int base, int nr_ids) spin_unlock(&lpi_lock); - kfree(bitmap); + kfree(map->lpi_map); + kfree(map->col_map); } /* @@ -1099,11 +1134,11 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id, struct its_device *dev; unsigned long *lpi_map; unsigned long flags; + u16 *col_map = NULL; void *itt; int lpi_base; int nr_lpis; int nr_ites; - int cpu; int sz; dev = kzalloc(sizeof(*dev), GFP_KERNEL); @@ -1117,20 +1152,24 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id, sz = max(sz, ITS_ITT_ALIGN) + ITS_ITT_ALIGN - 1; itt = kzalloc(sz, GFP_KERNEL); lpi_map = its_lpi_alloc_chunks(nvecs, &lpi_base, &nr_lpis); + if (lpi_map) + col_map = kzalloc(sizeof(*col_map) * nr_lpis, GFP_KERNEL); - if (!dev || !itt || !lpi_map) { + if (!dev || !itt || !lpi_map || !col_map) { kfree(dev); kfree(itt); kfree(lpi_map); + kfree(col_map); return NULL; } dev->its = its; dev->itt = itt; dev->nr_ites = nr_ites; - dev->lpi_map = lpi_map; - dev->lpi_base = lpi_base; - dev->nr_lpis = nr_lpis; + dev->event_map.lpi_map = lpi_map; + dev->event_map.col_map = col_map; + dev->event_map.lpi_base = lpi_base; + dev->event_map.nr_lpis = nr_lpis; dev->device_id = dev_id; INIT_LIST_HEAD(&dev->entry); @@ -1138,10 +1177,6 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id, list_add(&dev->entry, &its->its_device_list); raw_spin_unlock_irqrestore(&its->lock, flags); - /* Bind the device to the first possible CPU */ - cpu = cpumask_first(cpu_online_mask); - dev->collection = &its->collections[cpu]; - /* Map device to its ITT */ its_send_mapd(dev, 1); @@ -1163,12 +1198,13 @@ static int its_alloc_device_irq(struct its_device *dev, irq_hw_number_t *hwirq) { int idx; - idx = find_first_zero_bit(dev->lpi_map, dev->nr_lpis); - if (idx == dev->nr_lpis) + idx = find_first_zero_bit(dev->event_map.lpi_map, + dev->event_map.nr_lpis); + if (idx == dev->event_map.nr_lpis) return -ENOSPC; - *hwirq = dev->lpi_base + idx; - set_bit(idx, dev->lpi_map); + *hwirq = dev->event_map.lpi_base + idx; + set_bit(idx, dev->event_map.lpi_map); return 0; } @@ -1288,7 +1324,8 @@ static int its_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, irq_domain_set_hwirq_and_chip(domain, virq + i, hwirq, &its_irq_chip, its_dev); dev_dbg(info->scratchpad[1].ptr, "ID:%d pID:%d vID:%d\n", - (int)(hwirq - its_dev->lpi_base), (int)hwirq, virq + i); + (int)(hwirq - its_dev->event_map.lpi_base), + (int)hwirq, virq + i); } return 0; @@ -1300,6 +1337,9 @@ static void its_irq_domain_activate(struct irq_domain *domain, struct its_device *its_dev = irq_data_get_irq_chip_data(d); u32 event = its_get_event_id(d); + /* Bind the LPI to the first possible CPU */ + its_dev->event_map.col_map[event] = cpumask_first(cpu_online_mask); + /* Map the GIC IRQ and event to the device */ its_send_mapvi(its_dev, d->hwirq, event); } @@ -1327,17 +1367,16 @@ static void its_irq_domain_free(struct irq_domain *domain, unsigned int virq, u32 event = its_get_event_id(data); /* Mark interrupt index as unused */ - clear_bit(event, its_dev->lpi_map); + clear_bit(event, its_dev->event_map.lpi_map); /* Nuke the entry in the domain */ irq_domain_reset_irq_data(data); } /* If all interrupts have been freed, start mopping the floor */ - if (bitmap_empty(its_dev->lpi_map, its_dev->nr_lpis)) { - its_lpi_free(its_dev->lpi_map, - its_dev->lpi_base, - its_dev->nr_lpis); + if (bitmap_empty(its_dev->event_map.lpi_map, + its_dev->event_map.nr_lpis)) { + its_lpi_free(&its_dev->event_map); /* Unmap device/itt */ its_send_mapd(its_dev, 0); diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index 4400edd1a6c7..b7d54d428b5e 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -257,16 +257,6 @@ int gic_get_c0_fdc_int(void) return MIPS_CPU_IRQ_BASE + cp0_fdc_irq; } - /* - * Some cores claim the FDC is routable but it doesn't actually seem to - * be connected. - */ - switch (current_cpu_type()) { - case CPU_INTERAPTIV: - case CPU_PROAPTIV: - return -1; - } - return irq_create_mapping(gic_irq_domain, GIC_LOCAL_TO_HWIRQ(GIC_LOCAL_INT_FDC)); } diff --git a/drivers/irqchip/spear-shirq.c b/drivers/irqchip/spear-shirq.c index a45121546caf..acb721b31bcf 100644 --- a/drivers/irqchip/spear-shirq.c +++ b/drivers/irqchip/spear-shirq.c @@ -2,7 +2,7 @@ * SPEAr platform shared irq layer source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * Copyright (C) 2012 ST Microelectronics * Shiraz Hashim <shiraz.linux.kernel@gmail.com> diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c index 8c91fd5eb6fd..375be509e95f 100644 --- a/drivers/isdn/gigaset/ser-gigaset.c +++ b/drivers/isdn/gigaset/ser-gigaset.c @@ -524,9 +524,18 @@ gigaset_tty_open(struct tty_struct *tty) cs->hw.ser->tty = tty; atomic_set(&cs->hw.ser->refcnt, 1); init_completion(&cs->hw.ser->dead_cmp); - tty->disc_data = cs; + /* Set the amount of data we're willing to receive per call + * from the hardware driver to half of the input buffer size + * to leave some reserve. + * Note: We don't do flow control towards the hardware driver. + * If more data is received than will fit into the input buffer, + * it will be dropped and an error will be logged. This should + * never happen as the device is slow and the buffer size ample. + */ + tty->receive_room = RBUFSIZE/2; + /* OK.. Initialization of the datastructures and the HW is done.. Now * startup system and notify the LL that we are ready to run */ @@ -598,28 +607,6 @@ static int gigaset_tty_hangup(struct tty_struct *tty) } /* - * Read on the tty. - * Unused, received data goes only to the Gigaset driver. - */ -static ssize_t -gigaset_tty_read(struct tty_struct *tty, struct file *file, - unsigned char __user *buf, size_t count) -{ - return -EAGAIN; -} - -/* - * Write on the tty. - * Unused, transmit data comes only from the Gigaset driver. - */ -static ssize_t -gigaset_tty_write(struct tty_struct *tty, struct file *file, - const unsigned char *buf, size_t count) -{ - return -EAGAIN; -} - -/* * Ioctl on the tty. * Called in process context only. * May be re-entered by multiple ioctl calling threads. @@ -752,8 +739,6 @@ static struct tty_ldisc_ops gigaset_ldisc = { .open = gigaset_tty_open, .close = gigaset_tty_close, .hangup = gigaset_tty_hangup, - .read = gigaset_tty_read, - .write = gigaset_tty_write, .ioctl = gigaset_tty_ioctl, .receive_buf = gigaset_tty_receive, .write_wakeup = gigaset_tty_wakeup, diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h index a08e3eeac3c5..79a6d63e8ed3 100644 --- a/drivers/md/bcache/closure.h +++ b/drivers/md/bcache/closure.h @@ -320,7 +320,6 @@ static inline void closure_wake_up(struct closure_waitlist *list) do { \ set_closure_fn(_cl, _fn, _wq); \ closure_sub(_cl, CLOSURE_RUNNING + 1); \ - return; \ } while (0) /** @@ -349,7 +348,6 @@ do { \ do { \ set_closure_fn(_cl, _fn, _wq); \ closure_queue(_cl); \ - return; \ } while (0) /** @@ -365,7 +363,6 @@ do { \ do { \ set_closure_fn(_cl, _destructor, NULL); \ closure_sub(_cl, CLOSURE_RUNNING - CLOSURE_DESTRUCTOR + 1); \ - return; \ } while (0) /** diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c index cb64e64a4789..bf6a9ca18403 100644 --- a/drivers/md/bcache/io.c +++ b/drivers/md/bcache/io.c @@ -105,6 +105,7 @@ void bch_generic_make_request(struct bio *bio, struct bio_split_pool *p) } while (n != bio); continue_at(&s->cl, bch_bio_submit_split_done, NULL); + return; submit: generic_make_request(bio); } diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index ce64fc851251..418607a6ba33 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -592,12 +592,14 @@ static void journal_write_unlocked(struct closure *cl) if (!w->need_write) { closure_return_with_destructor(cl, journal_write_unlock); + return; } else if (journal_full(&c->journal)) { journal_reclaim(c); spin_unlock(&c->journal.lock); btree_flush_write(c); continue_at(cl, journal_write, system_wq); + return; } c->journal.blocks_free -= set_blocks(w->data, block_bytes(c)); diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 4afb2d26b148..f292790997d7 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -88,8 +88,10 @@ static void bch_data_insert_keys(struct closure *cl) if (journal_ref) atomic_dec_bug(journal_ref); - if (!op->insert_data_done) + if (!op->insert_data_done) { continue_at(cl, bch_data_insert_start, op->wq); + return; + } bch_keylist_free(&op->insert_keys); closure_return(cl); @@ -216,8 +218,10 @@ static void bch_data_insert_start(struct closure *cl) /* 1 for the device pointer and 1 for the chksum */ if (bch_keylist_realloc(&op->insert_keys, 3 + (op->csum ? 1 : 0), - op->c)) + op->c)) { continue_at(cl, bch_data_insert_keys, op->wq); + return; + } k = op->insert_keys.top; bkey_init(k); @@ -255,6 +259,7 @@ static void bch_data_insert_start(struct closure *cl) op->insert_data_done = true; continue_at(cl, bch_data_insert_keys, op->wq); + return; err: /* bch_alloc_sectors() blocks if s->writeback = true */ BUG_ON(op->writeback); @@ -576,8 +581,10 @@ static void cache_lookup(struct closure *cl) ret = bch_btree_map_keys(&s->op, s->iop.c, &KEY(s->iop.inode, bio->bi_iter.bi_sector, 0), cache_lookup_fn, MAP_END_KEY); - if (ret == -EAGAIN) + if (ret == -EAGAIN) { continue_at(cl, cache_lookup, bcache_wq); + return; + } closure_return(cl); } @@ -1085,6 +1092,7 @@ static void flash_dev_make_request(struct request_queue *q, struct bio *bio) continue_at_nobarrier(&s->cl, flash_dev_nodata, bcache_wq); + return; } else if (rw) { bch_keybuf_check_overlapping(&s->iop.c->moving_gc_keys, &KEY(d->id, bio->bi_iter.bi_sector, 0), diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index ed2346ddf4c9..e51de52eeb94 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -494,7 +494,7 @@ static int bitmap_new_disk_sb(struct bitmap *bitmap) bitmap_super_t *sb; unsigned long chunksize, daemon_sleep, write_behind; - bitmap->storage.sb_page = alloc_page(GFP_KERNEL); + bitmap->storage.sb_page = alloc_page(GFP_KERNEL | __GFP_ZERO); if (bitmap->storage.sb_page == NULL) return -ENOMEM; bitmap->storage.sb_page->index = 0; @@ -541,6 +541,7 @@ static int bitmap_new_disk_sb(struct bitmap *bitmap) sb->state = cpu_to_le32(bitmap->flags); bitmap->events_cleared = bitmap->mddev->events; sb->events_cleared = cpu_to_le64(bitmap->mddev->events); + bitmap->mddev->bitmap_info.nodes = 0; kunmap_atomic(sb); @@ -558,6 +559,7 @@ static int bitmap_read_sb(struct bitmap *bitmap) unsigned long sectors_reserved = 0; int err = -EINVAL; struct page *sb_page; + loff_t offset = bitmap->mddev->bitmap_info.offset; if (!bitmap->storage.file && !bitmap->mddev->bitmap_info.offset) { chunksize = 128 * 1024 * 1024; @@ -584,9 +586,9 @@ re_read: bm_blocks = ((bm_blocks+7) >> 3) + sizeof(bitmap_super_t); /* to 4k blocks */ bm_blocks = DIV_ROUND_UP_SECTOR_T(bm_blocks, 4096); - bitmap->mddev->bitmap_info.offset += bitmap->cluster_slot * (bm_blocks << 3); + offset = bitmap->mddev->bitmap_info.offset + (bitmap->cluster_slot * (bm_blocks << 3)); pr_info("%s:%d bm slot: %d offset: %llu\n", __func__, __LINE__, - bitmap->cluster_slot, (unsigned long long)bitmap->mddev->bitmap_info.offset); + bitmap->cluster_slot, offset); } if (bitmap->storage.file) { @@ -597,7 +599,7 @@ re_read: bitmap, bytes, sb_page); } else { err = read_sb_page(bitmap->mddev, - bitmap->mddev->bitmap_info.offset, + offset, sb_page, 0, sizeof(bitmap_super_t)); } @@ -611,8 +613,16 @@ re_read: daemon_sleep = le32_to_cpu(sb->daemon_sleep) * HZ; write_behind = le32_to_cpu(sb->write_behind); sectors_reserved = le32_to_cpu(sb->sectors_reserved); - nodes = le32_to_cpu(sb->nodes); - strlcpy(bitmap->mddev->bitmap_info.cluster_name, sb->cluster_name, 64); + /* XXX: This is a hack to ensure that we don't use clustering + * in case: + * - dm-raid is in use and + * - the nodes written in bitmap_sb is erroneous. + */ + if (!bitmap->mddev->sync_super) { + nodes = le32_to_cpu(sb->nodes); + strlcpy(bitmap->mddev->bitmap_info.cluster_name, + sb->cluster_name, 64); + } /* verify that the bitmap-specific fields are valid */ if (sb->magic != cpu_to_le32(BITMAP_MAGIC)) @@ -671,7 +681,7 @@ out: kunmap_atomic(sb); /* Assiging chunksize is required for "re_read" */ bitmap->mddev->bitmap_info.chunksize = chunksize; - if (nodes && (bitmap->cluster_slot < 0)) { + if (err == 0 && nodes && (bitmap->cluster_slot < 0)) { err = md_setup_cluster(bitmap->mddev, nodes); if (err) { pr_err("%s: Could not setup cluster service (%d)\n", @@ -1866,10 +1876,6 @@ int bitmap_copy_from_slot(struct mddev *mddev, int slot, if (IS_ERR(bitmap)) return PTR_ERR(bitmap); - rv = bitmap_read_sb(bitmap); - if (rv) - goto err; - rv = bitmap_init_from_disk(bitmap, 0); if (rv) goto err; diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 1b4e1756b169..b680da5d7b93 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -424,7 +424,6 @@ static void free_migration(struct dm_cache_migration *mg) wake_up(&cache->migration_wait); mempool_free(mg, cache->migration_pool); - wake_worker(cache); } static int prealloc_data_structs(struct cache *cache, struct prealloc *p) @@ -1947,6 +1946,7 @@ static int commit_if_needed(struct cache *cache) static void process_deferred_bios(struct cache *cache) { + bool prealloc_used = false; unsigned long flags; struct bio_list bios; struct bio *bio; @@ -1981,13 +1981,16 @@ static void process_deferred_bios(struct cache *cache) process_discard_bio(cache, &structs, bio); else process_bio(cache, &structs, bio); + prealloc_used = true; } - prealloc_free_structs(cache, &structs); + if (prealloc_used) + prealloc_free_structs(cache, &structs); } static void process_deferred_cells(struct cache *cache) { + bool prealloc_used = false; unsigned long flags; struct dm_bio_prison_cell *cell, *tmp; struct list_head cells; @@ -2015,9 +2018,11 @@ static void process_deferred_cells(struct cache *cache) } process_cell(cache, &structs, cell); + prealloc_used = true; } - prealloc_free_structs(cache, &structs); + if (prealloc_used) + prealloc_free_structs(cache, &structs); } static void process_deferred_flush_bios(struct cache *cache, bool submit_bios) @@ -2062,7 +2067,7 @@ static void process_deferred_writethrough_bios(struct cache *cache) static void writeback_some_dirty_blocks(struct cache *cache) { - int r = 0; + bool prealloc_used = false; dm_oblock_t oblock; dm_cblock_t cblock; struct prealloc structs; @@ -2072,23 +2077,21 @@ static void writeback_some_dirty_blocks(struct cache *cache) memset(&structs, 0, sizeof(structs)); while (spare_migration_bandwidth(cache)) { - if (prealloc_data_structs(cache, &structs)) - break; + if (policy_writeback_work(cache->policy, &oblock, &cblock, busy)) + break; /* no work to do */ - r = policy_writeback_work(cache->policy, &oblock, &cblock, busy); - if (r) - break; - - r = get_cell(cache, oblock, &structs, &old_ocell); - if (r) { + if (prealloc_data_structs(cache, &structs) || + get_cell(cache, oblock, &structs, &old_ocell)) { policy_set_dirty(cache->policy, oblock); break; } writeback(cache, &structs, oblock, cblock, old_ocell); + prealloc_used = true; } - prealloc_free_structs(cache, &structs); + if (prealloc_used) + prealloc_free_structs(cache, &structs); } /*---------------------------------------------------------------- @@ -3496,7 +3499,7 @@ static void cache_resume(struct dm_target *ti) * <#demotions> <#promotions> <#dirty> * <#features> <features>* * <#core args> <core args> - * <policy name> <#policy args> <policy args>* <cache metadata mode> + * <policy name> <#policy args> <policy args>* <cache metadata mode> <needs_check> */ static void cache_status(struct dm_target *ti, status_type_t type, unsigned status_flags, char *result, unsigned maxlen) @@ -3582,6 +3585,11 @@ static void cache_status(struct dm_target *ti, status_type_t type, else DMEMIT("rw "); + if (dm_cache_metadata_needs_check(cache->cmd)) + DMEMIT("needs_check "); + else + DMEMIT("- "); + break; case STATUSTYPE_TABLE: @@ -3820,7 +3828,7 @@ static void cache_io_hints(struct dm_target *ti, struct queue_limits *limits) static struct target_type cache_target = { .name = "cache", - .version = {1, 7, 0}, + .version = {1, 8, 0}, .module = THIS_MODULE, .ctr = cache_ctr, .dtr = cache_dtr, diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index c33f61a4cc28..1c50c580215c 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -18,6 +18,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/vmalloc.h> #include <linux/sort.h> #include <linux/rbtree.h> @@ -268,7 +269,7 @@ struct pool { process_mapping_fn process_prepared_mapping; process_mapping_fn process_prepared_discard; - struct dm_bio_prison_cell *cell_sort_array[CELL_SORT_ARRAY_SIZE]; + struct dm_bio_prison_cell **cell_sort_array; }; static enum pool_mode get_pool_mode(struct pool *pool); @@ -2281,18 +2282,23 @@ static void do_waker(struct work_struct *ws) queue_delayed_work(pool->wq, &pool->waker, COMMIT_PERIOD); } +static void notify_of_pool_mode_change_to_oods(struct pool *pool); + /* * We're holding onto IO to allow userland time to react. After the * timeout either the pool will have been resized (and thus back in - * PM_WRITE mode), or we degrade to PM_READ_ONLY and start erroring IO. + * PM_WRITE mode), or we degrade to PM_OUT_OF_DATA_SPACE w/ error_if_no_space. */ static void do_no_space_timeout(struct work_struct *ws) { struct pool *pool = container_of(to_delayed_work(ws), struct pool, no_space_timeout); - if (get_pool_mode(pool) == PM_OUT_OF_DATA_SPACE && !pool->pf.error_if_no_space) - set_pool_mode(pool, PM_READ_ONLY); + if (get_pool_mode(pool) == PM_OUT_OF_DATA_SPACE && !pool->pf.error_if_no_space) { + pool->pf.error_if_no_space = true; + notify_of_pool_mode_change_to_oods(pool); + error_retry_list(pool); + } } /*----------------------------------------------------------------*/ @@ -2370,6 +2376,14 @@ static void notify_of_pool_mode_change(struct pool *pool, const char *new_mode) dm_device_name(pool->pool_md), new_mode); } +static void notify_of_pool_mode_change_to_oods(struct pool *pool) +{ + if (!pool->pf.error_if_no_space) + notify_of_pool_mode_change(pool, "out-of-data-space (queue IO)"); + else + notify_of_pool_mode_change(pool, "out-of-data-space (error IO)"); +} + static bool passdown_enabled(struct pool_c *pt) { return pt->adjusted_pf.discard_passdown; @@ -2454,7 +2468,7 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode) * frequently seeing this mode. */ if (old_mode != new_mode) - notify_of_pool_mode_change(pool, "out-of-data-space"); + notify_of_pool_mode_change_to_oods(pool); pool->process_bio = process_bio_read_only; pool->process_discard = process_discard_bio; pool->process_cell = process_cell_read_only; @@ -2777,6 +2791,7 @@ static void __pool_destroy(struct pool *pool) { __pool_table_remove(pool); + vfree(pool->cell_sort_array); if (dm_pool_metadata_close(pool->pmd) < 0) DMWARN("%s: dm_pool_metadata_close() failed.", __func__); @@ -2889,6 +2904,13 @@ static struct pool *pool_create(struct mapped_device *pool_md, goto bad_mapping_pool; } + pool->cell_sort_array = vmalloc(sizeof(*pool->cell_sort_array) * CELL_SORT_ARRAY_SIZE); + if (!pool->cell_sort_array) { + *error = "Error allocating cell sort array"; + err_p = ERR_PTR(-ENOMEM); + goto bad_sort_array; + } + pool->ref_count = 1; pool->last_commit_jiffies = jiffies; pool->pool_md = pool_md; @@ -2897,6 +2919,8 @@ static struct pool *pool_create(struct mapped_device *pool_md, return pool; +bad_sort_array: + mempool_destroy(pool->mapping_pool); bad_mapping_pool: dm_deferred_set_destroy(pool->all_io_ds); bad_all_io_ds: @@ -3714,6 +3738,7 @@ static void emit_flags(struct pool_features *pf, char *result, * Status line is: * <transaction id> <used metadata sectors>/<total metadata sectors> * <used data sectors>/<total data sectors> <held metadata root> + * <pool mode> <discard config> <no space config> <needs_check> */ static void pool_status(struct dm_target *ti, status_type_t type, unsigned status_flags, char *result, unsigned maxlen) @@ -3815,6 +3840,11 @@ static void pool_status(struct dm_target *ti, status_type_t type, else DMEMIT("queue_if_no_space "); + if (dm_pool_metadata_needs_check(pool->pmd)) + DMEMIT("needs_check "); + else + DMEMIT("- "); + break; case STATUSTYPE_TABLE: @@ -3918,7 +3948,7 @@ static struct target_type pool_target = { .name = "thin-pool", .features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE | DM_TARGET_IMMUTABLE, - .version = {1, 15, 0}, + .version = {1, 16, 0}, .module = THIS_MODULE, .ctr = pool_ctr, .dtr = pool_dtr, @@ -4305,7 +4335,7 @@ static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits) static struct target_type thin_target = { .name = "thin", - .version = {1, 15, 0}, + .version = {1, 16, 0}, .module = THIS_MODULE, .ctr = thin_ctr, .dtr = thin_dtr, diff --git a/drivers/md/dm.c b/drivers/md/dm.c index f331d888e7f5..ab37ae114e94 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1067,13 +1067,10 @@ static void rq_end_stats(struct mapped_device *md, struct request *orig) */ static void rq_completed(struct mapped_device *md, int rw, bool run_queue) { - int nr_requests_pending; - atomic_dec(&md->pending[rw]); /* nudge anyone waiting on suspend queue */ - nr_requests_pending = md_in_flight(md); - if (!nr_requests_pending) + if (!md_in_flight(md)) wake_up(&md->wait); /* @@ -1085,8 +1082,7 @@ static void rq_completed(struct mapped_device *md, int rw, bool run_queue) if (run_queue) { if (md->queue->mq_ops) blk_mq_run_hw_queues(md->queue, true); - else if (!nr_requests_pending || - (nr_requests_pending >= md->queue->nr_congestion_on)) + else blk_run_queue_async(md->queue); } @@ -2281,8 +2277,6 @@ static void dm_init_old_md_queue(struct mapped_device *md) static void cleanup_mapped_device(struct mapped_device *md) { - cleanup_srcu_struct(&md->io_barrier); - if (md->wq) destroy_workqueue(md->wq); if (md->kworker_task) @@ -2294,6 +2288,8 @@ static void cleanup_mapped_device(struct mapped_device *md) if (md->bs) bioset_free(md->bs); + cleanup_srcu_struct(&md->io_barrier); + if (md->disk) { spin_lock(&_minor_lock); md->disk->private_data = NULL; diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index fcfc4b9b2672..0072190515e0 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -44,6 +44,7 @@ struct resync_info { /* md_cluster_info flags */ #define MD_CLUSTER_WAITING_FOR_NEWDISK 1 +#define MD_CLUSTER_SUSPEND_READ_BALANCING 2 struct md_cluster_info { @@ -275,6 +276,9 @@ clear_bit: static void recover_prep(void *arg) { + struct mddev *mddev = arg; + struct md_cluster_info *cinfo = mddev->cluster_info; + set_bit(MD_CLUSTER_SUSPEND_READ_BALANCING, &cinfo->state); } static void recover_slot(void *arg, struct dlm_slot *slot) @@ -307,6 +311,7 @@ static void recover_done(void *arg, struct dlm_slot *slots, cinfo->slot_number = our_slot; complete(&cinfo->completion); + clear_bit(MD_CLUSTER_SUSPEND_READ_BALANCING, &cinfo->state); } static const struct dlm_lockspace_ops md_ls_ops = { @@ -816,12 +821,17 @@ static void resync_finish(struct mddev *mddev) resync_send(mddev, RESYNCING, 0, 0); } -static int area_resyncing(struct mddev *mddev, sector_t lo, sector_t hi) +static int area_resyncing(struct mddev *mddev, int direction, + sector_t lo, sector_t hi) { struct md_cluster_info *cinfo = mddev->cluster_info; int ret = 0; struct suspend_info *s; + if ((direction == READ) && + test_bit(MD_CLUSTER_SUSPEND_READ_BALANCING, &cinfo->state)) + return 1; + spin_lock_irq(&cinfo->suspend_lock); if (list_empty(&cinfo->suspend_list)) goto out; diff --git a/drivers/md/md-cluster.h b/drivers/md/md-cluster.h index 6817ee00e053..00defe2badbc 100644 --- a/drivers/md/md-cluster.h +++ b/drivers/md/md-cluster.h @@ -18,7 +18,7 @@ struct md_cluster_operations { int (*metadata_update_start)(struct mddev *mddev); int (*metadata_update_finish)(struct mddev *mddev); int (*metadata_update_cancel)(struct mddev *mddev); - int (*area_resyncing)(struct mddev *mddev, sector_t lo, sector_t hi); + int (*area_resyncing)(struct mddev *mddev, int direction, sector_t lo, sector_t hi); int (*add_new_disk_start)(struct mddev *mddev, struct md_rdev *rdev); int (*add_new_disk_finish)(struct mddev *mddev); int (*new_disk_ack)(struct mddev *mddev, bool ack); diff --git a/drivers/md/md.c b/drivers/md/md.c index d429c30cd514..0c2a4e8b873c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5382,6 +5382,8 @@ static void __md_stop(struct mddev *mddev) { struct md_personality *pers = mddev->pers; mddev_detach(mddev); + /* Ensure ->event_work is done */ + flush_workqueue(md_misc_wq); spin_lock(&mddev->lock); mddev->ready = 0; mddev->pers = NULL; @@ -7437,7 +7439,7 @@ int md_setup_cluster(struct mddev *mddev, int nodes) err = request_module("md-cluster"); if (err) { pr_err("md-cluster module not found.\n"); - return err; + return -ENOENT; } spin_lock(&pers_lock); diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c index e04cfd2d60ef..9836c0ae897c 100644 --- a/drivers/md/persistent-data/dm-btree-remove.c +++ b/drivers/md/persistent-data/dm-btree-remove.c @@ -309,8 +309,8 @@ static void redistribute3(struct dm_btree_info *info, struct btree_node *parent, if (s < 0 && nr_center < -s) { /* not enough in central node */ - shift(left, center, nr_center); - s = nr_center - target; + shift(left, center, -nr_center); + s += nr_center; shift(left, right, s); nr_right += s; } else @@ -323,7 +323,7 @@ static void redistribute3(struct dm_btree_info *info, struct btree_node *parent, if (s > 0 && nr_center < s) { /* not enough in central node */ shift(center, right, nr_center); - s = target - nr_center; + s -= nr_center; shift(left, right, s); nr_left -= s; } else diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index 200ac12a1d40..fdd3793e22f9 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -255,7 +255,7 @@ int dm_btree_del(struct dm_btree_info *info, dm_block_t root) int r; struct del_stack *s; - s = kmalloc(sizeof(*s), GFP_KERNEL); + s = kmalloc(sizeof(*s), GFP_NOIO); if (!s) return -ENOMEM; s->info = info; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index f80f1af61ce7..94f5b55069e0 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -336,7 +336,7 @@ static void raid1_end_read_request(struct bio *bio, int error) spin_lock_irqsave(&conf->device_lock, flags); if (r1_bio->mddev->degraded == conf->raid_disks || (r1_bio->mddev->degraded == conf->raid_disks-1 && - !test_bit(Faulty, &conf->mirrors[mirror].rdev->flags))) + test_bit(In_sync, &conf->mirrors[mirror].rdev->flags))) uptodate = 1; spin_unlock_irqrestore(&conf->device_lock, flags); } @@ -541,7 +541,7 @@ static int read_balance(struct r1conf *conf, struct r1bio *r1_bio, int *max_sect if ((conf->mddev->recovery_cp < this_sector + sectors) || (mddev_is_clustered(conf->mddev) && - md_cluster_ops->area_resyncing(conf->mddev, this_sector, + md_cluster_ops->area_resyncing(conf->mddev, READ, this_sector, this_sector + sectors))) choose_first = 1; else @@ -1111,7 +1111,8 @@ static void make_request(struct mddev *mddev, struct bio * bio) ((bio_end_sector(bio) > mddev->suspend_lo && bio->bi_iter.bi_sector < mddev->suspend_hi) || (mddev_is_clustered(mddev) && - md_cluster_ops->area_resyncing(mddev, bio->bi_iter.bi_sector, bio_end_sector(bio))))) { + md_cluster_ops->area_resyncing(mddev, WRITE, + bio->bi_iter.bi_sector, bio_end_sector(bio))))) { /* As the suspend_* range is controlled by * userspace, we want an interruptible * wait. @@ -1124,7 +1125,7 @@ static void make_request(struct mddev *mddev, struct bio * bio) if (bio_end_sector(bio) <= mddev->suspend_lo || bio->bi_iter.bi_sector >= mddev->suspend_hi || (mddev_is_clustered(mddev) && - !md_cluster_ops->area_resyncing(mddev, + !md_cluster_ops->area_resyncing(mddev, WRITE, bio->bi_iter.bi_sector, bio_end_sector(bio)))) break; schedule(); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 940f2f365461..38c58e19cfce 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3556,6 +3556,7 @@ static struct r10conf *setup_conf(struct mddev *mddev) /* far_copies must be 1 */ conf->prev.stride = conf->dev_sectors; } + conf->reshape_safe = conf->reshape_progress; spin_lock_init(&conf->device_lock); INIT_LIST_HEAD(&conf->retry_list); @@ -3760,7 +3761,6 @@ static int run(struct mddev *mddev) } conf->offset_diff = min_offset_diff; - conf->reshape_safe = conf->reshape_progress; clear_bit(MD_RECOVERY_SYNC, &mddev->recovery); clear_bit(MD_RECOVERY_CHECK, &mddev->recovery); set_bit(MD_RECOVERY_RESHAPE, &mddev->recovery); @@ -4103,6 +4103,7 @@ static int raid10_start_reshape(struct mddev *mddev) conf->reshape_progress = size; } else conf->reshape_progress = 0; + conf->reshape_safe = conf->reshape_progress; spin_unlock_irq(&conf->device_lock); if (mddev->delta_disks && mddev->bitmap) { @@ -4170,6 +4171,7 @@ abort: rdev->new_data_offset = rdev->data_offset; smp_wmb(); conf->reshape_progress = MaxSector; + conf->reshape_safe = MaxSector; mddev->reshape_position = MaxSector; spin_unlock_irq(&conf->device_lock); return ret; @@ -4524,6 +4526,7 @@ static void end_reshape(struct r10conf *conf) md_finish_reshape(conf->mddev); smp_wmb(); conf->reshape_progress = MaxSector; + conf->reshape_safe = MaxSector; spin_unlock_irq(&conf->device_lock); /* read-ahead size must cover two whole stripes, which is diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 59e44e99eef3..643d217bfa13 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2162,6 +2162,9 @@ static int resize_stripes(struct r5conf *conf, int newsize) if (!sc) return -ENOMEM; + /* Need to ensure auto-resizing doesn't interfere */ + mutex_lock(&conf->cache_size_mutex); + for (i = conf->max_nr_stripes; i; i--) { nsh = alloc_stripe(sc, GFP_KERNEL); if (!nsh) @@ -2178,6 +2181,7 @@ static int resize_stripes(struct r5conf *conf, int newsize) kmem_cache_free(sc, nsh); } kmem_cache_destroy(sc); + mutex_unlock(&conf->cache_size_mutex); return -ENOMEM; } /* Step 2 - Must use GFP_NOIO now. @@ -2224,6 +2228,7 @@ static int resize_stripes(struct r5conf *conf, int newsize) } else err = -ENOMEM; + mutex_unlock(&conf->cache_size_mutex); /* Step 4, return new stripes to service */ while(!list_empty(&newstripes)) { nsh = list_entry(newstripes.next, struct stripe_head, lru); @@ -4061,8 +4066,10 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s) &first_bad, &bad_sectors)) set_bit(R5_ReadRepl, &dev->flags); else { - if (rdev) + if (rdev && !test_bit(Faulty, &rdev->flags)) set_bit(R5_NeedReplace, &dev->flags); + else + clear_bit(R5_NeedReplace, &dev->flags); rdev = rcu_dereference(conf->disks[i].rdev); clear_bit(R5_ReadRepl, &dev->flags); } @@ -5857,12 +5864,14 @@ static void raid5d(struct md_thread *thread) pr_debug("%d stripes handled\n", handled); spin_unlock_irq(&conf->device_lock); - if (test_and_clear_bit(R5_ALLOC_MORE, &conf->cache_state)) { + if (test_and_clear_bit(R5_ALLOC_MORE, &conf->cache_state) && + mutex_trylock(&conf->cache_size_mutex)) { grow_one_stripe(conf, __GFP_NOWARN); /* Set flag even if allocation failed. This helps * slow down allocation requests when mem is short */ set_bit(R5_DID_ALLOC, &conf->cache_state); + mutex_unlock(&conf->cache_size_mutex); } async_tx_issue_pending_all(); @@ -5894,18 +5903,22 @@ raid5_set_cache_size(struct mddev *mddev, int size) return -EINVAL; conf->min_nr_stripes = size; + mutex_lock(&conf->cache_size_mutex); while (size < conf->max_nr_stripes && drop_one_stripe(conf)) ; + mutex_unlock(&conf->cache_size_mutex); err = md_allow_write(mddev); if (err) return err; + mutex_lock(&conf->cache_size_mutex); while (size > conf->max_nr_stripes) if (!grow_one_stripe(conf, GFP_KERNEL)) break; + mutex_unlock(&conf->cache_size_mutex); return 0; } @@ -6371,11 +6384,18 @@ static unsigned long raid5_cache_scan(struct shrinker *shrink, struct shrink_control *sc) { struct r5conf *conf = container_of(shrink, struct r5conf, shrinker); - int ret = 0; - while (ret < sc->nr_to_scan) { - if (drop_one_stripe(conf) == 0) - return SHRINK_STOP; - ret++; + unsigned long ret = SHRINK_STOP; + + if (mutex_trylock(&conf->cache_size_mutex)) { + ret= 0; + while (ret < sc->nr_to_scan) { + if (drop_one_stripe(conf) == 0) { + ret = SHRINK_STOP; + break; + } + ret++; + } + mutex_unlock(&conf->cache_size_mutex); } return ret; } @@ -6444,6 +6464,7 @@ static struct r5conf *setup_conf(struct mddev *mddev) goto abort; spin_lock_init(&conf->device_lock); seqcount_init(&conf->gen_lock); + mutex_init(&conf->cache_size_mutex); init_waitqueue_head(&conf->wait_for_quiescent); for (i = 0; i < NR_STRIPE_HASH_LOCKS; i++) { init_waitqueue_head(&conf->wait_for_stripe[i]); diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 02c3bf8fbfe7..d05144278690 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -482,7 +482,8 @@ struct r5conf { */ int active_name; char cache_name[2][32]; - struct kmem_cache *slab_cache; /* for allocating stripes */ + struct kmem_cache *slab_cache; /* for allocating stripes */ + struct mutex cache_size_mutex; /* Protect changes to cache size */ int seq_flush, seq_write; int quiesce; diff --git a/drivers/media/pci/ivtv/ivtvfb.c b/drivers/media/pci/ivtv/ivtvfb.c index 4cb365d4ffdc..8b95eefb610b 100644 --- a/drivers/media/pci/ivtv/ivtvfb.c +++ b/drivers/media/pci/ivtv/ivtvfb.c @@ -38,6 +38,8 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/kernel.h> #include <linux/fb.h> @@ -1171,6 +1173,13 @@ static int ivtvfb_init_card(struct ivtv *itv) { int rc; +#ifdef CONFIG_X86_64 + if (pat_enabled()) { + pr_warn("ivtvfb needs PAT disabled, boot with nopat kernel parameter\n"); + return -ENODEV; + } +#endif + if (itv->osd_info) { IVTVFB_ERR("Card %d already initialised\n", ivtvfb_card_id); return -EBUSY; @@ -1265,12 +1274,6 @@ static int __init ivtvfb_init(void) int registered = 0; int err; -#ifdef CONFIG_X86_64 - if (WARN(pat_enabled(), - "ivtvfb needs PAT disabled, boot with nopat kernel parameter\n")) { - return -ENODEV; - } -#endif if (ivtvfb_card_id < -1 || ivtvfb_card_id >= IVTV_MAX_CARDS) { printk(KERN_ERR "ivtvfb: ivtvfb_card_id parameter is out of range (valid range: -1 - %d)\n", diff --git a/drivers/mfd/stmpe-i2c.c b/drivers/mfd/stmpe-i2c.c index 5c054031c3f8..e14c8c9d189b 100644 --- a/drivers/mfd/stmpe-i2c.c +++ b/drivers/mfd/stmpe-i2c.c @@ -6,7 +6,7 @@ * * License Terms: GNU General Public License, version 2 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson - * Author: Viresh Kumar <viresh.linux@gmail.com> for ST Microelectronics + * Author: Viresh Kumar <vireshk@kernel.org> for ST Microelectronics */ #include <linux/i2c.h> diff --git a/drivers/mfd/stmpe-spi.c b/drivers/mfd/stmpe-spi.c index a81badbaa917..6fdb30e84a2b 100644 --- a/drivers/mfd/stmpe-spi.c +++ b/drivers/mfd/stmpe-spi.c @@ -4,7 +4,7 @@ * Copyright (C) ST Microelectronics SA 2011 * * License Terms: GNU General Public License, version 2 - * Author: Viresh Kumar <viresh.linux@gmail.com> for ST Microelectronics + * Author: Viresh Kumar <vireshk@kernel.org> for ST Microelectronics */ #include <linux/spi/spi.h> @@ -146,4 +146,4 @@ module_exit(stmpe_exit); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("STMPE MFD SPI Interface Driver"); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 8eb0a9500a90..e9513d651cd3 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -682,7 +682,7 @@ int mei_register(struct mei_device *dev, struct device *parent) /* Fill in the data structures */ devno = MKDEV(MAJOR(mei_devt), dev->minor); cdev_init(&dev->cdev, &mei_fops); - dev->cdev.owner = mei_fops.owner; + dev->cdev.owner = parent->driver->owner; /* Add the device */ ret = cdev_add(&dev->cdev, devno, 1); diff --git a/drivers/misc/mic/scif/scif_nodeqp.c b/drivers/misc/mic/scif/scif_nodeqp.c index 41e3bdb10061..6dfdae3452d6 100644 --- a/drivers/misc/mic/scif/scif_nodeqp.c +++ b/drivers/misc/mic/scif/scif_nodeqp.c @@ -357,7 +357,7 @@ static void scif_p2p_freesg(struct scatterlist *sg) } static struct scatterlist * -scif_p2p_setsg(void __iomem *va, int page_size, int page_cnt) +scif_p2p_setsg(phys_addr_t pa, int page_size, int page_cnt) { struct scatterlist *sg; struct page *page; @@ -368,16 +368,11 @@ scif_p2p_setsg(void __iomem *va, int page_size, int page_cnt) return NULL; sg_init_table(sg, page_cnt); for (i = 0; i < page_cnt; i++) { - page = vmalloc_to_page((void __force *)va); - if (!page) - goto p2p_sg_err; + page = pfn_to_page(pa >> PAGE_SHIFT); sg_set_page(&sg[i], page, page_size, 0); - va += page_size; + pa += page_size; } return sg; -p2p_sg_err: - kfree(sg); - return NULL; } /* Init p2p mappings required to access peerdev from scifdev */ @@ -395,14 +390,14 @@ scif_init_p2p_info(struct scif_dev *scifdev, struct scif_dev *peerdev) p2p = kzalloc(sizeof(*p2p), GFP_KERNEL); if (!p2p) return NULL; - p2p->ppi_sg[SCIF_PPI_MMIO] = scif_p2p_setsg(psdev->mmio->va, + p2p->ppi_sg[SCIF_PPI_MMIO] = scif_p2p_setsg(psdev->mmio->pa, PAGE_SIZE, num_mmio_pages); if (!p2p->ppi_sg[SCIF_PPI_MMIO]) goto free_p2p; p2p->sg_nentries[SCIF_PPI_MMIO] = num_mmio_pages; sg_page_shift = get_order(min(psdev->aper->len, (u64)(1 << 30))); num_aper_chunks = num_aper_pages >> (sg_page_shift - PAGE_SHIFT); - p2p->ppi_sg[SCIF_PPI_APER] = scif_p2p_setsg(psdev->aper->va, + p2p->ppi_sg[SCIF_PPI_APER] = scif_p2p_setsg(psdev->aper->pa, 1 << sg_page_shift, num_aper_chunks); p2p->sg_nentries[SCIF_PPI_APER] = num_aper_chunks; diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index c9c3d20b784b..a1b820fcb2a6 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -208,6 +208,8 @@ static ssize_t power_ro_lock_show(struct device *dev, ret = snprintf(buf, PAGE_SIZE, "%d\n", locked); + mmc_blk_put(md); + return ret; } diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index fd9a58e216a5..6a0f9c79be26 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -779,6 +779,7 @@ config MMC_TOSHIBA_PCI config MMC_MTK tristate "MediaTek SD/MMC Card Interface support" + depends on HAS_DMA help This selects the MediaTek(R) Secure digital and Multimedia card Interface. If you have a machine with a integrated SD/MMC card reader, say Y or M here. diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index b2b411da297b..4d1203236890 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1062,9 +1062,14 @@ static void omap_hsmmc_do_irq(struct omap_hsmmc_host *host, int status) if (status & (CTO_EN | CCRC_EN)) end_cmd = 1; + if (host->data || host->response_busy) { + end_trans = !end_cmd; + host->response_busy = 0; + } if (status & (CTO_EN | DTO_EN)) hsmmc_command_incomplete(host, -ETIMEDOUT, end_cmd); - else if (status & (CCRC_EN | DCRC_EN)) + else if (status & (CCRC_EN | DCRC_EN | DEB_EN | CEB_EN | + BADA_EN)) hsmmc_command_incomplete(host, -EILSEQ, end_cmd); if (status & ACE_EN) { @@ -1081,10 +1086,6 @@ static void omap_hsmmc_do_irq(struct omap_hsmmc_host *host, int status) } dev_dbg(mmc_dev(host->mmc), "AC12 err: 0x%x\n", ac12); } - if (host->data || host->response_busy) { - end_trans = !end_cmd; - host->response_busy = 0; - } } OMAP_HSMMC_WRITE(host->base, STAT, status); diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index faf0cb910c96..c6b9f6492e1a 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -581,13 +581,8 @@ static void esdhc_writeb_le(struct sdhci_host *host, u8 val, int reg) static unsigned int esdhc_pltfm_get_max_clock(struct sdhci_host *host) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct pltfm_imx_data *imx_data = pltfm_host->priv; - struct esdhc_platform_data *boarddata = &imx_data->boarddata; - if (boarddata->f_max && (boarddata->f_max < pltfm_host->clock)) - return boarddata->f_max; - else - return pltfm_host->clock; + return pltfm_host->clock; } static unsigned int esdhc_pltfm_get_min_clock(struct sdhci_host *host) @@ -878,34 +873,19 @@ static const struct sdhci_pltfm_data sdhci_esdhc_imx_pdata = { static int sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, struct sdhci_host *host, - struct esdhc_platform_data *boarddata) + struct pltfm_imx_data *imx_data) { struct device_node *np = pdev->dev.of_node; - - if (!np) - return -ENODEV; - - if (of_get_property(np, "non-removable", NULL)) - boarddata->cd_type = ESDHC_CD_PERMANENT; - - if (of_get_property(np, "fsl,cd-controller", NULL)) - boarddata->cd_type = ESDHC_CD_CONTROLLER; + struct esdhc_platform_data *boarddata = &imx_data->boarddata; + int ret; if (of_get_property(np, "fsl,wp-controller", NULL)) boarddata->wp_type = ESDHC_WP_CONTROLLER; - boarddata->cd_gpio = of_get_named_gpio(np, "cd-gpios", 0); - if (gpio_is_valid(boarddata->cd_gpio)) - boarddata->cd_type = ESDHC_CD_GPIO; - boarddata->wp_gpio = of_get_named_gpio(np, "wp-gpios", 0); if (gpio_is_valid(boarddata->wp_gpio)) boarddata->wp_type = ESDHC_WP_GPIO; - of_property_read_u32(np, "bus-width", &boarddata->max_bus_width); - - of_property_read_u32(np, "max-frequency", &boarddata->f_max); - if (of_find_property(np, "no-1-8-v", NULL)) boarddata->support_vsel = false; else @@ -916,29 +896,119 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, mmc_of_parse_voltage(np, &host->ocr_mask); + /* sdr50 and sdr104 needs work on 1.8v signal voltage */ + if ((boarddata->support_vsel) && esdhc_is_usdhc(imx_data) && + !IS_ERR(imx_data->pins_default)) { + imx_data->pins_100mhz = pinctrl_lookup_state(imx_data->pinctrl, + ESDHC_PINCTRL_STATE_100MHZ); + imx_data->pins_200mhz = pinctrl_lookup_state(imx_data->pinctrl, + ESDHC_PINCTRL_STATE_200MHZ); + if (IS_ERR(imx_data->pins_100mhz) || + IS_ERR(imx_data->pins_200mhz)) { + dev_warn(mmc_dev(host->mmc), + "could not get ultra high speed state, work on normal mode\n"); + /* + * fall back to not support uhs by specify no 1.8v quirk + */ + host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; + } + } else { + host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; + } + /* call to generic mmc_of_parse to support additional capabilities */ - return mmc_of_parse(host->mmc); + ret = mmc_of_parse(host->mmc); + if (ret) + return ret; + + if (!IS_ERR_VALUE(mmc_gpio_get_cd(host->mmc))) + host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; + + return 0; } #else static inline int sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, struct sdhci_host *host, - struct esdhc_platform_data *boarddata) + struct pltfm_imx_data *imx_data) { return -ENODEV; } #endif +static int sdhci_esdhc_imx_probe_nondt(struct platform_device *pdev, + struct sdhci_host *host, + struct pltfm_imx_data *imx_data) +{ + struct esdhc_platform_data *boarddata = &imx_data->boarddata; + int err; + + if (!host->mmc->parent->platform_data) { + dev_err(mmc_dev(host->mmc), "no board data!\n"); + return -EINVAL; + } + + imx_data->boarddata = *((struct esdhc_platform_data *) + host->mmc->parent->platform_data); + /* write_protect */ + if (boarddata->wp_type == ESDHC_WP_GPIO) { + err = mmc_gpio_request_ro(host->mmc, boarddata->wp_gpio); + if (err) { + dev_err(mmc_dev(host->mmc), + "failed to request write-protect gpio!\n"); + return err; + } + host->mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH; + } + + /* card_detect */ + switch (boarddata->cd_type) { + case ESDHC_CD_GPIO: + err = mmc_gpio_request_cd(host->mmc, boarddata->cd_gpio, 0); + if (err) { + dev_err(mmc_dev(host->mmc), + "failed to request card-detect gpio!\n"); + return err; + } + /* fall through */ + + case ESDHC_CD_CONTROLLER: + /* we have a working card_detect back */ + host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; + break; + + case ESDHC_CD_PERMANENT: + host->mmc->caps |= MMC_CAP_NONREMOVABLE; + break; + + case ESDHC_CD_NONE: + break; + } + + switch (boarddata->max_bus_width) { + case 8: + host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA; + break; + case 4: + host->mmc->caps |= MMC_CAP_4_BIT_DATA; + break; + case 1: + default: + host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA; + break; + } + + return 0; +} + static int sdhci_esdhc_imx_probe(struct platform_device *pdev) { const struct of_device_id *of_id = of_match_device(imx_esdhc_dt_ids, &pdev->dev); struct sdhci_pltfm_host *pltfm_host; struct sdhci_host *host; - struct esdhc_platform_data *boarddata; int err; struct pltfm_imx_data *imx_data; - bool dt = true; host = sdhci_pltfm_init(pdev, &sdhci_esdhc_imx_pdata, 0); if (IS_ERR(host)) @@ -1030,84 +1100,12 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) if (imx_data->socdata->flags & ESDHC_FLAG_ERR004536) host->quirks |= SDHCI_QUIRK_BROKEN_ADMA; - boarddata = &imx_data->boarddata; - if (sdhci_esdhc_imx_probe_dt(pdev, host, boarddata) < 0) { - if (!host->mmc->parent->platform_data) { - dev_err(mmc_dev(host->mmc), "no board data!\n"); - err = -EINVAL; - goto disable_clk; - } - imx_data->boarddata = *((struct esdhc_platform_data *) - host->mmc->parent->platform_data); - dt = false; - } - /* write_protect */ - if (boarddata->wp_type == ESDHC_WP_GPIO && !dt) { - err = mmc_gpio_request_ro(host->mmc, boarddata->wp_gpio); - if (err) { - dev_err(mmc_dev(host->mmc), - "failed to request write-protect gpio!\n"); - goto disable_clk; - } - host->mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH; - } - - /* card_detect */ - switch (boarddata->cd_type) { - case ESDHC_CD_GPIO: - if (dt) - break; - err = mmc_gpio_request_cd(host->mmc, boarddata->cd_gpio, 0); - if (err) { - dev_err(mmc_dev(host->mmc), - "failed to request card-detect gpio!\n"); - goto disable_clk; - } - /* fall through */ - - case ESDHC_CD_CONTROLLER: - /* we have a working card_detect back */ - host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; - break; - - case ESDHC_CD_PERMANENT: - host->mmc->caps |= MMC_CAP_NONREMOVABLE; - break; - - case ESDHC_CD_NONE: - break; - } - - switch (boarddata->max_bus_width) { - case 8: - host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA; - break; - case 4: - host->mmc->caps |= MMC_CAP_4_BIT_DATA; - break; - case 1: - default: - host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA; - break; - } - - /* sdr50 and sdr104 needs work on 1.8v signal voltage */ - if ((boarddata->support_vsel) && esdhc_is_usdhc(imx_data) && - !IS_ERR(imx_data->pins_default)) { - imx_data->pins_100mhz = pinctrl_lookup_state(imx_data->pinctrl, - ESDHC_PINCTRL_STATE_100MHZ); - imx_data->pins_200mhz = pinctrl_lookup_state(imx_data->pinctrl, - ESDHC_PINCTRL_STATE_200MHZ); - if (IS_ERR(imx_data->pins_100mhz) || - IS_ERR(imx_data->pins_200mhz)) { - dev_warn(mmc_dev(host->mmc), - "could not get ultra high speed state, work on normal mode\n"); - /* fall back to not support uhs by specify no 1.8v quirk */ - host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; - } - } else { - host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; - } + if (of_id) + err = sdhci_esdhc_imx_probe_dt(pdev, host, imx_data); + else + err = sdhci_esdhc_imx_probe_nondt(pdev, host, imx_data); + if (err) + goto disable_clk; err = sdhci_add_host(host); if (err) diff --git a/drivers/mmc/host/sdhci-esdhc.h b/drivers/mmc/host/sdhci-esdhc.h index 3497cfaf683c..a870c42731d7 100644 --- a/drivers/mmc/host/sdhci-esdhc.h +++ b/drivers/mmc/host/sdhci-esdhc.h @@ -45,6 +45,6 @@ #define ESDHC_DMA_SYSCTL 0x40c #define ESDHC_DMA_SNOOP 0x00000040 -#define ESDHC_HOST_CONTROL_RES 0x05 +#define ESDHC_HOST_CONTROL_RES 0x01 #endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */ diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c index 9cd5fc62f130..946d37f94a31 100644 --- a/drivers/mmc/host/sdhci-pxav3.c +++ b/drivers/mmc/host/sdhci-pxav3.c @@ -411,6 +411,7 @@ static int sdhci_pxav3_probe(struct platform_device *pdev) goto err_of_parse; sdhci_get_of_property(pdev); pdata = pxav3_get_mmc_pdata(dev); + pdev->dev.platform_data = pdata; } else if (pdata) { /* on-chip device */ if (pdata->flags & PXA_FLAG_CARD_PERMANENT) diff --git a/drivers/mmc/host/sdhci-spear.c b/drivers/mmc/host/sdhci-spear.c index df088343d60f..255a896769b8 100644 --- a/drivers/mmc/host/sdhci-spear.c +++ b/drivers/mmc/host/sdhci-spear.c @@ -4,7 +4,7 @@ * Support of SDHCI platform devices for spear soc family * * Copyright (C) 2010 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * Inspired by sdhci-pltfm.c * @@ -211,5 +211,5 @@ static struct platform_driver sdhci_driver = { module_platform_driver(sdhci_driver); MODULE_DESCRIPTION("SPEAr Secure Digital Host Controller Interface driver"); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index bc1445238fb3..1dbe93232030 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2866,6 +2866,7 @@ int sdhci_add_host(struct sdhci_host *host) u32 max_current_caps; unsigned int ocr_avail; unsigned int override_timeout_clk; + u32 max_clk; int ret; WARN_ON(host == NULL); @@ -2978,8 +2979,11 @@ int sdhci_add_host(struct sdhci_host *host) GFP_KERNEL); host->align_buffer = kmalloc(host->align_buffer_sz, GFP_KERNEL); if (!host->adma_table || !host->align_buffer) { - dma_free_coherent(mmc_dev(mmc), host->adma_table_sz, - host->adma_table, host->adma_addr); + if (host->adma_table) + dma_free_coherent(mmc_dev(mmc), + host->adma_table_sz, + host->adma_table, + host->adma_addr); kfree(host->align_buffer); pr_warn("%s: Unable to allocate ADMA buffers - falling back to standard DMA\n", mmc_hostname(mmc)); @@ -3047,18 +3051,22 @@ int sdhci_add_host(struct sdhci_host *host) * Set host parameters. */ mmc->ops = &sdhci_ops; - mmc->f_max = host->max_clk; + max_clk = host->max_clk; + if (host->ops->get_min_clock) mmc->f_min = host->ops->get_min_clock(host); else if (host->version >= SDHCI_SPEC_300) { if (host->clk_mul) { mmc->f_min = (host->max_clk * host->clk_mul) / 1024; - mmc->f_max = host->max_clk * host->clk_mul; + max_clk = host->max_clk * host->clk_mul; } else mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_300; } else mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_200; + if (!mmc->f_max || (mmc->f_max && (mmc->f_max > max_clk))) + mmc->f_max = max_clk; + if (!(host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)) { host->timeout_clk = (caps[0] & SDHCI_TIMEOUT_CLK_MASK) >> SDHCI_TIMEOUT_CLK_SHIFT; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 19eb990d398c..e1ccefce9a9d 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -625,6 +625,23 @@ static void bond_set_dev_addr(struct net_device *bond_dev, call_netdevice_notifiers(NETDEV_CHANGEADDR, bond_dev); } +static struct slave *bond_get_old_active(struct bonding *bond, + struct slave *new_active) +{ + struct slave *slave; + struct list_head *iter; + + bond_for_each_slave(bond, slave, iter) { + if (slave == new_active) + continue; + + if (ether_addr_equal(bond->dev->dev_addr, slave->dev->dev_addr)) + return slave; + } + + return NULL; +} + /* bond_do_fail_over_mac * * Perform special MAC address swapping for fail_over_mac settings @@ -652,6 +669,9 @@ static void bond_do_fail_over_mac(struct bonding *bond, if (!new_active) return; + if (!old_active) + old_active = bond_get_old_active(bond, new_active); + if (old_active) { ether_addr_copy(tmp_mac, new_active->dev->dev_addr); ether_addr_copy(saddr.sa_data, @@ -689,40 +709,57 @@ out: } -static bool bond_should_change_active(struct bonding *bond) +static struct slave *bond_choose_primary_or_current(struct bonding *bond) { struct slave *prim = rtnl_dereference(bond->primary_slave); struct slave *curr = rtnl_dereference(bond->curr_active_slave); - if (!prim || !curr || curr->link != BOND_LINK_UP) - return true; + if (!prim || prim->link != BOND_LINK_UP) { + if (!curr || curr->link != BOND_LINK_UP) + return NULL; + return curr; + } + if (bond->force_primary) { bond->force_primary = false; - return true; + return prim; + } + + if (!curr || curr->link != BOND_LINK_UP) + return prim; + + /* At this point, prim and curr are both up */ + switch (bond->params.primary_reselect) { + case BOND_PRI_RESELECT_ALWAYS: + return prim; + case BOND_PRI_RESELECT_BETTER: + if (prim->speed < curr->speed) + return curr; + if (prim->speed == curr->speed && prim->duplex <= curr->duplex) + return curr; + return prim; + case BOND_PRI_RESELECT_FAILURE: + return curr; + default: + netdev_err(bond->dev, "impossible primary_reselect %d\n", + bond->params.primary_reselect); + return curr; } - if (bond->params.primary_reselect == BOND_PRI_RESELECT_BETTER && - (prim->speed < curr->speed || - (prim->speed == curr->speed && prim->duplex <= curr->duplex))) - return false; - if (bond->params.primary_reselect == BOND_PRI_RESELECT_FAILURE) - return false; - return true; } /** - * find_best_interface - select the best available slave to be the active one + * bond_find_best_slave - select the best available slave to be the active one * @bond: our bonding struct */ static struct slave *bond_find_best_slave(struct bonding *bond) { - struct slave *slave, *bestslave = NULL, *primary; + struct slave *slave, *bestslave = NULL; struct list_head *iter; int mintime = bond->params.updelay; - primary = rtnl_dereference(bond->primary_slave); - if (primary && primary->link == BOND_LINK_UP && - bond_should_change_active(bond)) - return primary; + slave = bond_choose_primary_or_current(bond); + if (slave) + return slave; bond_for_each_slave(bond, slave, iter) { if (slave->link == BOND_LINK_UP) @@ -1708,9 +1745,16 @@ err_free: err_undo_flags: /* Enslave of first slave has failed and we need to fix master's mac */ - if (!bond_has_slaves(bond) && - ether_addr_equal_64bits(bond_dev->dev_addr, slave_dev->dev_addr)) - eth_hw_addr_random(bond_dev); + if (!bond_has_slaves(bond)) { + if (ether_addr_equal_64bits(bond_dev->dev_addr, + slave_dev->dev_addr)) + eth_hw_addr_random(bond_dev); + if (bond_dev->type != ARPHRD_ETHER) { + ether_setup(bond_dev); + bond_dev->flags |= IFF_MASTER; + bond_dev->priv_flags &= ~IFF_TX_SKB_SHARING; + } + } return res; } @@ -1899,6 +1943,7 @@ static int bond_release_and_destroy(struct net_device *bond_dev, bond_dev->priv_flags |= IFF_DISABLE_NETPOLL; netdev_info(bond_dev, "Destroying bond %s\n", bond_dev->name); + bond_remove_proc_entry(bond); unregister_netdevice(bond_dev); } return ret; diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index f4e40aa4d2a2..945c0955a967 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -577,10 +577,10 @@ static void at91_rx_overflow_err(struct net_device *dev) cf->can_id |= CAN_ERR_CRTL; cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW; - netif_receive_skb(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_receive_skb(skb); } /** @@ -642,10 +642,10 @@ static void at91_read_msg(struct net_device *dev, unsigned int mb) } at91_read_mb(dev, mb, cf); - netif_receive_skb(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_receive_skb(skb); can_led_event(dev, CAN_LED_EVENT_RX); } @@ -802,10 +802,10 @@ static int at91_poll_err(struct net_device *dev, int quota, u32 reg_sr) return 0; at91_poll_err_frame(dev, cf, reg_sr); - netif_receive_skb(skb); dev->stats.rx_packets++; dev->stats.rx_bytes += cf->can_dlc; + netif_receive_skb(skb); return 1; } @@ -1067,10 +1067,10 @@ static void at91_irq_err(struct net_device *dev) return; at91_irq_err_state(dev, cf, new_state); - netif_rx(skb); dev->stats.rx_packets++; dev->stats.rx_bytes += cf->can_dlc; + netif_rx(skb); priv->can.state = new_state; } diff --git a/drivers/net/can/bfin_can.c b/drivers/net/can/bfin_can.c index 27ad312e7abf..57dadd52b428 100644 --- a/drivers/net/can/bfin_can.c +++ b/drivers/net/can/bfin_can.c @@ -424,10 +424,9 @@ static void bfin_can_rx(struct net_device *dev, u16 isrc) cf->data[6 - i] = (6 - i) < cf->can_dlc ? (val >> 8) : 0; } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } static int bfin_can_err(struct net_device *dev, u16 isrc, u16 status) @@ -508,10 +507,9 @@ static int bfin_can_err(struct net_device *dev, u16 isrc, u16 status) priv->can.state = state; - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index 041525d2595c..5d214d135332 100644 --- a/drivers/net/can/c_can/c_can.c +++ b/drivers/net/can/c_can/c_can.c @@ -592,6 +592,7 @@ static int c_can_start(struct net_device *dev) { struct c_can_priv *priv = netdev_priv(dev); int err; + struct pinctrl *p; /* basic c_can configuration */ err = c_can_chip_config(dev); @@ -604,8 +605,13 @@ static int c_can_start(struct net_device *dev) priv->can.state = CAN_STATE_ERROR_ACTIVE; - /* activate pins */ - pinctrl_pm_select_default_state(dev->dev.parent); + /* Attempt to use "active" if available else use "default" */ + p = pinctrl_get_select(priv->device, "active"); + if (!IS_ERR(p)) + pinctrl_put(p); + else + pinctrl_pm_select_default_state(priv->device); + return 0; } diff --git a/drivers/net/can/cc770/cc770.c b/drivers/net/can/cc770/cc770.c index c11d44984036..70a8cbb29e75 100644 --- a/drivers/net/can/cc770/cc770.c +++ b/drivers/net/can/cc770/cc770.c @@ -504,10 +504,10 @@ static void cc770_rx(struct net_device *dev, unsigned int mo, u8 ctrl1) for (i = 0; i < cf->can_dlc; i++) cf->data[i] = cc770_read_reg(priv, msgobj[mo].data[i]); } - netif_rx(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } static int cc770_err(struct net_device *dev, u8 status) @@ -584,10 +584,10 @@ static int cc770_err(struct net_device *dev, u8 status) } } - netif_rx(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index e9b1810d319f..aede704605c6 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -440,9 +440,6 @@ unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx) struct can_frame *cf = (struct can_frame *)skb->data; u8 dlc = cf->can_dlc; - if (!(skb->tstamp.tv64)) - __net_timestamp(skb); - netif_rx(priv->echo_skb[idx]); priv->echo_skb[idx] = NULL; @@ -578,7 +575,6 @@ struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf) if (unlikely(!skb)) return NULL; - __net_timestamp(skb); skb->protocol = htons(ETH_P_CAN); skb->pkt_type = PACKET_BROADCAST; skb->ip_summed = CHECKSUM_UNNECESSARY; @@ -589,6 +585,7 @@ struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf) can_skb_reserve(skb); can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; *cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame)); memset(*cf, 0, sizeof(struct can_frame)); @@ -607,7 +604,6 @@ struct sk_buff *alloc_canfd_skb(struct net_device *dev, if (unlikely(!skb)) return NULL; - __net_timestamp(skb); skb->protocol = htons(ETH_P_CANFD); skb->pkt_type = PACKET_BROADCAST; skb->ip_summed = CHECKSUM_UNNECESSARY; @@ -618,6 +614,7 @@ struct sk_buff *alloc_canfd_skb(struct net_device *dev, can_skb_reserve(skb); can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; *cfd = (struct canfd_frame *)skb_put(skb, sizeof(struct canfd_frame)); memset(*cfd, 0, sizeof(struct canfd_frame)); diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 6201c5a1a884..b1e8d729851c 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -577,10 +577,10 @@ static int flexcan_poll_bus_err(struct net_device *dev, u32 reg_esr) return 0; do_bus_err(dev, cf, reg_esr); - netif_receive_skb(skb); dev->stats.rx_packets++; dev->stats.rx_bytes += cf->can_dlc; + netif_receive_skb(skb); return 1; } @@ -622,10 +622,9 @@ static int flexcan_poll_state(struct net_device *dev, u32 reg_esr) if (unlikely(new_state == CAN_STATE_BUS_OFF)) can_bus_off(dev); - netif_receive_skb(skb); - dev->stats.rx_packets++; dev->stats.rx_bytes += cf->can_dlc; + netif_receive_skb(skb); return 1; } @@ -670,10 +669,10 @@ static int flexcan_read_frame(struct net_device *dev) } flexcan_read_fifo(dev, cf); - netif_receive_skb(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_receive_skb(skb); can_led_event(dev, CAN_LED_EVENT_RX); diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c index e3d7e22a4fa0..db9538d4b358 100644 --- a/drivers/net/can/grcan.c +++ b/drivers/net/can/grcan.c @@ -1216,11 +1216,12 @@ static int grcan_receive(struct net_device *dev, int budget) cf->data[i] = (u8)(slot[j] >> shift); } } - netif_receive_skb(skb); /* Update statistics and read pointer */ stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_receive_skb(skb); + rd = grcan_ring_add(rd, GRCAN_MSG_SIZE, dma->rx.size); } diff --git a/drivers/net/can/rcar_can.c b/drivers/net/can/rcar_can.c index 7deb80dcbe8c..7bd54191f962 100644 --- a/drivers/net/can/rcar_can.c +++ b/drivers/net/can/rcar_can.c @@ -508,7 +508,8 @@ static int rcar_can_open(struct net_device *ndev) err = clk_prepare_enable(priv->clk); if (err) { - netdev_err(ndev, "failed to enable periperal clock, error %d\n", + netdev_err(ndev, + "failed to enable peripheral clock, error %d\n", err); goto out; } @@ -526,7 +527,8 @@ static int rcar_can_open(struct net_device *ndev) napi_enable(&priv->napi); err = request_irq(ndev->irq, rcar_can_interrupt, 0, ndev->name, ndev); if (err) { - netdev_err(ndev, "error requesting interrupt %x\n", ndev->irq); + netdev_err(ndev, "request_irq(%d) failed, error %d\n", + ndev->irq, err); goto out_close; } can_led_event(ndev, CAN_LED_EVENT_OPEN); @@ -758,8 +760,9 @@ static int rcar_can_probe(struct platform_device *pdev) } irq = platform_get_irq(pdev, 0); - if (!irq) { + if (irq < 0) { dev_err(&pdev->dev, "No IRQ resource\n"); + err = irq; goto fail; } @@ -782,7 +785,8 @@ static int rcar_can_probe(struct platform_device *pdev) priv->clk = devm_clk_get(&pdev->dev, "clkp1"); if (IS_ERR(priv->clk)) { err = PTR_ERR(priv->clk); - dev_err(&pdev->dev, "cannot get peripheral clock: %d\n", err); + dev_err(&pdev->dev, "cannot get peripheral clock, error %d\n", + err); goto fail_clk; } @@ -794,7 +798,7 @@ static int rcar_can_probe(struct platform_device *pdev) priv->can_clk = devm_clk_get(&pdev->dev, clock_names[clock_select]); if (IS_ERR(priv->can_clk)) { err = PTR_ERR(priv->can_clk); - dev_err(&pdev->dev, "cannot get CAN clock: %d\n", err); + dev_err(&pdev->dev, "cannot get CAN clock, error %d\n", err); goto fail_clk; } @@ -823,7 +827,7 @@ static int rcar_can_probe(struct platform_device *pdev) devm_can_led_init(ndev); - dev_info(&pdev->dev, "device registered (reg_base=%p, irq=%u)\n", + dev_info(&pdev->dev, "device registered (regs @ %p, IRQ%d)\n", priv->regs, ndev->irq); return 0; diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index 32bd7f451aa4..7b92e911a616 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -377,10 +377,9 @@ static void sja1000_rx(struct net_device *dev) /* release receive buffer */ sja1000_write_cmdreg(priv, CMD_RRB); - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); can_led_event(dev, CAN_LED_EVENT_RX); } @@ -484,10 +483,9 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status) can_bus_off(dev); } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index f64f5290d6f8..9a3f15cb7ef4 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -207,7 +207,6 @@ static void slc_bump(struct slcan *sl) if (!skb) return; - __net_timestamp(skb); skb->dev = sl->dev; skb->protocol = htons(ETH_P_CAN); skb->pkt_type = PACKET_BROADCAST; @@ -215,13 +214,14 @@ static void slc_bump(struct slcan *sl) can_skb_reserve(skb); can_skb_prv(skb)->ifindex = sl->dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; memcpy(skb_put(skb, sizeof(struct can_frame)), &cf, sizeof(struct can_frame)); - netif_rx_ni(skb); sl->dev->stats.rx_packets++; sl->dev->stats.rx_bytes += cf.can_dlc; + netif_rx_ni(skb); } /* parse tty input stream */ diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index c1a95a34d62e..b7e83c212023 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -1086,8 +1086,8 @@ static int mcp251x_can_probe(struct spi_device *spi) if (ret) goto out_clk; - priv->power = devm_regulator_get(&spi->dev, "vdd"); - priv->transceiver = devm_regulator_get(&spi->dev, "xceiver"); + priv->power = devm_regulator_get_optional(&spi->dev, "vdd"); + priv->transceiver = devm_regulator_get_optional(&spi->dev, "xceiver"); if ((PTR_ERR(priv->power) == -EPROBE_DEFER) || (PTR_ERR(priv->transceiver) == -EPROBE_DEFER)) { ret = -EPROBE_DEFER; @@ -1222,17 +1222,16 @@ static int __maybe_unused mcp251x_can_resume(struct device *dev) struct spi_device *spi = to_spi_device(dev); struct mcp251x_priv *priv = spi_get_drvdata(spi); - if (priv->after_suspend & AFTER_SUSPEND_POWER) { + if (priv->after_suspend & AFTER_SUSPEND_POWER) mcp251x_power_enable(priv->power, 1); + + if (priv->after_suspend & AFTER_SUSPEND_UP) { + mcp251x_power_enable(priv->transceiver, 1); queue_work(priv->wq, &priv->restart_work); } else { - if (priv->after_suspend & AFTER_SUSPEND_UP) { - mcp251x_power_enable(priv->transceiver, 1); - queue_work(priv->wq, &priv->restart_work); - } else { - priv->after_suspend = 0; - } + priv->after_suspend = 0; } + priv->force_quit = 0; enable_irq(spi->irq); return 0; diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index e95a9e1a889f..cf345cbfe819 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -747,9 +747,9 @@ static int ti_hecc_error(struct net_device *ndev, int int_status, } } - netif_rx(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c index 866bac0ae7e9..2d390384ef3b 100644 --- a/drivers/net/can/usb/ems_usb.c +++ b/drivers/net/can/usb/ems_usb.c @@ -324,10 +324,9 @@ static void ems_usb_rx_can_msg(struct ems_usb *dev, struct ems_cpc_msg *msg) cf->data[i] = msg->msg.can_msg.msg[i]; } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg) @@ -400,10 +399,9 @@ static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg) stats->rx_errors++; } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } /* diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c index 411c1af92c62..0e5a4493ba4f 100644 --- a/drivers/net/can/usb/esd_usb2.c +++ b/drivers/net/can/usb/esd_usb2.c @@ -301,13 +301,12 @@ static void esd_usb2_rx_event(struct esd_usb2_net_priv *priv, cf->data[7] = rxerr; } - netif_rx(skb); - priv->bec.txerr = txerr; priv->bec.rxerr = rxerr; stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } } @@ -347,10 +346,9 @@ static void esd_usb2_rx_can_msg(struct esd_usb2_net_priv *priv, cf->data[i] = msg->msg.rx.data[i]; } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } return; diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c index 72427f21edff..6b94007ae052 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb.c @@ -526,9 +526,9 @@ static int pcan_usb_decode_error(struct pcan_usb_msg_context *mc, u8 n, hwts->hwtstamp = timeval_to_ktime(tv); } - netif_rx(skb); mc->netdev->stats.rx_packets++; mc->netdev->stats.rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } @@ -659,12 +659,11 @@ static int pcan_usb_decode_data(struct pcan_usb_msg_context *mc, u8 status_len) hwts = skb_hwtstamps(skb); hwts->hwtstamp = timeval_to_ktime(tv); - /* push the skb */ - netif_rx(skb); - /* update statistics */ mc->netdev->stats.rx_packets++; mc->netdev->stats.rx_bytes += cf->can_dlc; + /* push the skb */ + netif_rx(skb); return 0; diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c index dec51717635e..7d61b3279798 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c @@ -553,9 +553,9 @@ static int pcan_usb_pro_handle_canmsg(struct pcan_usb_pro_interface *usb_if, hwts = skb_hwtstamps(skb); hwts->hwtstamp = timeval_to_ktime(tv); - netif_rx(skb); netdev->stats.rx_packets++; netdev->stats.rx_bytes += can_frame->can_dlc; + netif_rx(skb); return 0; } @@ -670,9 +670,9 @@ static int pcan_usb_pro_handle_error(struct pcan_usb_pro_interface *usb_if, peak_usb_get_ts_tv(&usb_if->time_ref, le32_to_cpu(er->ts32), &tv); hwts = skb_hwtstamps(skb); hwts->hwtstamp = timeval_to_ktime(tv); - netif_rx(skb); netdev->stats.rx_packets++; netdev->stats.rx_bytes += can_frame->can_dlc; + netif_rx(skb); return 0; } diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c index dd52c7a4c80d..de95b1ccba3e 100644 --- a/drivers/net/can/usb/usb_8dev.c +++ b/drivers/net/can/usb/usb_8dev.c @@ -461,10 +461,9 @@ static void usb_8dev_rx_err_msg(struct usb_8dev_priv *priv, priv->bec.txerr = txerr; priv->bec.rxerr = rxerr; - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } /* Read data and status frames */ @@ -494,10 +493,9 @@ static void usb_8dev_rx_can_msg(struct usb_8dev_priv *priv, else memcpy(cf->data, msg->data, cf->can_dlc); - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); can_led_event(priv->netdev, CAN_LED_EVENT_RX); } else { diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c index 0ce868de855d..674f367087c5 100644 --- a/drivers/net/can/vcan.c +++ b/drivers/net/can/vcan.c @@ -78,9 +78,6 @@ static void vcan_rx(struct sk_buff *skb, struct net_device *dev) skb->dev = dev; skb->ip_summed = CHECKSUM_UNNECESSARY; - if (!(skb->tstamp.tv64)) - __net_timestamp(skb); - netif_rx_ni(skb); } diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 972982f8bea7..079897b3a955 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -696,9 +696,20 @@ static int bcm_sf2_sw_setup(struct dsa_switch *ds) } /* Include the pseudo-PHY address and the broadcast PHY address to - * divert reads towards our workaround + * divert reads towards our workaround. This is only required for + * 7445D0, since 7445E0 disconnects the internal switch pseudo-PHY such + * that we can use the regular SWITCH_MDIO master controller instead. + * + * By default, DSA initializes ds->phys_mii_mask to ds->phys_port_mask + * to have a 1:1 mapping between Port address and PHY address in order + * to utilize the slave_mii_bus instance to read from Port PHYs. This is + * not what we want here, so we initialize phys_mii_mask 0 to always + * utilize the "master" MDIO bus backed by the "mdio-unimac" driver. */ - ds->phys_mii_mask |= ((1 << BRCM_PSEUDO_PHY_ADDR) | (1 << 0)); + if (of_machine_is_compatible("brcm,bcm7445d0")) + ds->phys_mii_mask |= ((1 << BRCM_PSEUDO_PHY_ADDR) | (1 << 0)); + else + ds->phys_mii_mask = 0; rev = reg_readl(priv, REG_SWITCH_REVISION); priv->hw_params.top_rev = (rev >> SWITCH_TOP_REV_SHIFT) & diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index fd8547c2b79d..561342466076 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -1163,7 +1163,7 @@ int mv88e6xxx_leave_bridge(struct dsa_switch *ds, int port, u32 br_port_mask) newfid = __ffs(ps->fid_mask); ps->fid[port] = newfid; - ps->fid_mask &= (1 << newfid); + ps->fid_mask &= ~(1 << newfid); ps->bridge_mask[fid] &= ~(1 << port); ps->bridge_mask[newfid] = 1 << port; diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c index 41095ebad97f..2d1ce3c5d0dd 100644 --- a/drivers/net/ethernet/3com/3c59x.c +++ b/drivers/net/ethernet/3com/3c59x.c @@ -2382,6 +2382,7 @@ boomerang_interrupt(int irq, void *dev_id) void __iomem *ioaddr; int status; int work_done = max_interrupt_work; + int handled = 0; ioaddr = vp->ioaddr; @@ -2400,6 +2401,7 @@ boomerang_interrupt(int irq, void *dev_id) if ((status & IntLatch) == 0) goto handler_exit; /* No interrupt: shared IRQs can cause this */ + handled = 1; if (status == 0xffff) { /* h/w no longer present (hotplug)? */ if (vortex_debug > 1) @@ -2501,7 +2503,7 @@ boomerang_interrupt(int irq, void *dev_id) handler_exit: vp->handling_irq = 0; spin_unlock(&vp->lock); - return IRQ_HANDLED; + return IRQ_RETVAL(handled); } static int vortex_rx(struct net_device *dev) diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c index 661cdaa7ea96..b3bc87fe3764 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c @@ -303,7 +303,8 @@ static void xgbe_set_buffer_data(struct xgbe_buffer_data *bd, get_page(pa->pages); bd->pa = *pa; - bd->dma = pa->pages_dma + pa->pages_offset; + bd->dma_base = pa->pages_dma; + bd->dma_off = pa->pages_offset; bd->dma_len = len; pa->pages_offset += len; diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index 506e832c9e9a..a4473d8ff4fa 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -1110,6 +1110,7 @@ static void xgbe_rx_desc_reset(struct xgbe_prv_data *pdata, unsigned int rx_usecs = pdata->rx_usecs; unsigned int rx_frames = pdata->rx_frames; unsigned int inte; + dma_addr_t hdr_dma, buf_dma; if (!rx_usecs && !rx_frames) { /* No coalescing, interrupt for every descriptor */ @@ -1129,10 +1130,12 @@ static void xgbe_rx_desc_reset(struct xgbe_prv_data *pdata, * Set buffer 2 (hi) address to buffer dma address (hi) and * set control bits OWN and INTE */ - rdesc->desc0 = cpu_to_le32(lower_32_bits(rdata->rx.hdr.dma)); - rdesc->desc1 = cpu_to_le32(upper_32_bits(rdata->rx.hdr.dma)); - rdesc->desc2 = cpu_to_le32(lower_32_bits(rdata->rx.buf.dma)); - rdesc->desc3 = cpu_to_le32(upper_32_bits(rdata->rx.buf.dma)); + hdr_dma = rdata->rx.hdr.dma_base + rdata->rx.hdr.dma_off; + buf_dma = rdata->rx.buf.dma_base + rdata->rx.buf.dma_off; + rdesc->desc0 = cpu_to_le32(lower_32_bits(hdr_dma)); + rdesc->desc1 = cpu_to_le32(upper_32_bits(hdr_dma)); + rdesc->desc2 = cpu_to_le32(lower_32_bits(buf_dma)); + rdesc->desc3 = cpu_to_le32(upper_32_bits(buf_dma)); XGMAC_SET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, INTE, inte); diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index 1e9c28d19ef8..aae9d5ecd182 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -1765,8 +1765,9 @@ static struct sk_buff *xgbe_create_skb(struct xgbe_prv_data *pdata, /* Start with the header buffer which may contain just the header * or the header plus data */ - dma_sync_single_for_cpu(pdata->dev, rdata->rx.hdr.dma, - rdata->rx.hdr.dma_len, DMA_FROM_DEVICE); + dma_sync_single_range_for_cpu(pdata->dev, rdata->rx.hdr.dma_base, + rdata->rx.hdr.dma_off, + rdata->rx.hdr.dma_len, DMA_FROM_DEVICE); packet = page_address(rdata->rx.hdr.pa.pages) + rdata->rx.hdr.pa.pages_offset; @@ -1778,8 +1779,11 @@ static struct sk_buff *xgbe_create_skb(struct xgbe_prv_data *pdata, len -= copy_len; if (len) { /* Add the remaining data as a frag */ - dma_sync_single_for_cpu(pdata->dev, rdata->rx.buf.dma, - rdata->rx.buf.dma_len, DMA_FROM_DEVICE); + dma_sync_single_range_for_cpu(pdata->dev, + rdata->rx.buf.dma_base, + rdata->rx.buf.dma_off, + rdata->rx.buf.dma_len, + DMA_FROM_DEVICE); skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rdata->rx.buf.pa.pages, @@ -1945,8 +1949,9 @@ read_again: if (!skb) error = 1; } else if (rdesc_len) { - dma_sync_single_for_cpu(pdata->dev, - rdata->rx.buf.dma, + dma_sync_single_range_for_cpu(pdata->dev, + rdata->rx.buf.dma_base, + rdata->rx.buf.dma_off, rdata->rx.buf.dma_len, DMA_FROM_DEVICE); diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h index 63d72a140053..717ce21b6077 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe.h @@ -337,7 +337,8 @@ struct xgbe_buffer_data { struct xgbe_page_alloc pa; struct xgbe_page_alloc pa_unmap; - dma_addr_t dma; + dma_addr_t dma_base; + unsigned long dma_off; unsigned int dma_len; }; diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 909ad7a0d480..4566cdf0bc39 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1793,7 +1793,7 @@ static int bcm_sysport_probe(struct platform_device *pdev) macaddr = of_get_mac_address(dn); if (!macaddr || !is_valid_ether_addr(macaddr)) { dev_warn(&pdev->dev, "using random Ethernet MAC\n"); - random_ether_addr(dev->dev_addr); + eth_hw_addr_random(dev); } else { ether_addr_copy(dev->dev_addr, macaddr); } diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index b43b2cb9b830..64c1e9db6b0b 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1230,7 +1230,6 @@ static struct sk_buff *bcmgenet_put_tx_csum(struct net_device *dev, new_skb = skb_realloc_headroom(skb, sizeof(*status)); dev_kfree_skb(skb); if (!new_skb) { - dev->stats.tx_errors++; dev->stats.tx_dropped++; return NULL; } @@ -1465,7 +1464,6 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring, if (unlikely(!skb)) { dev->stats.rx_dropped++; - dev->stats.rx_errors++; goto next; } @@ -1493,7 +1491,6 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring, if (unlikely(!(dma_flag & DMA_EOP) || !(dma_flag & DMA_SOP))) { netif_err(priv, rx_status, dev, "dropping fragmented packet!\n"); - dev->stats.rx_dropped++; dev->stats.rx_errors++; dev_kfree_skb_any(skb); goto next; @@ -1515,7 +1512,6 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring, dev->stats.rx_frame_errors++; if (dma_flag & DMA_RX_LG) dev->stats.rx_length_errors++; - dev->stats.rx_dropped++; dev->stats.rx_errors++; dev_kfree_skb_any(skb); goto next; diff --git a/drivers/net/ethernet/broadcom/sb1250-mac.c b/drivers/net/ethernet/broadcom/sb1250-mac.c index ac27e24264a5..f557a2aaec23 100644 --- a/drivers/net/ethernet/broadcom/sb1250-mac.c +++ b/drivers/net/ethernet/broadcom/sb1250-mac.c @@ -1508,16 +1508,7 @@ static void sbmac_channel_start(struct sbmac_softc *s) __raw_writeq(reg, port); port = s->sbm_base + R_MAC_ETHERNET_ADDR; -#ifdef CONFIG_SB1_PASS_1_WORKAROUNDS - /* - * Pass1 SOCs do not receive packets addressed to the - * destination address in the R_MAC_ETHERNET_ADDR register. - * Set the value to zero. - */ - __raw_writeq(0, port); -#else __raw_writeq(reg, port); -#endif /* * Set the receive filter for no packets, and write values diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c index 484eb8c37489..a11485fbb33f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c @@ -952,16 +952,23 @@ static int devlog_show(struct seq_file *seq, void *v) * eventually have to put a format interpreter in here ... */ seq_printf(seq, "%10d %15llu %8s %8s ", - e->seqno, e->timestamp, + be32_to_cpu(e->seqno), + be64_to_cpu(e->timestamp), (e->level < ARRAY_SIZE(devlog_level_strings) ? devlog_level_strings[e->level] : "UNKNOWN"), (e->facility < ARRAY_SIZE(devlog_facility_strings) ? devlog_facility_strings[e->facility] : "UNKNOWN")); - seq_printf(seq, e->fmt, e->params[0], e->params[1], - e->params[2], e->params[3], e->params[4], - e->params[5], e->params[6], e->params[7]); + seq_printf(seq, e->fmt, + be32_to_cpu(e->params[0]), + be32_to_cpu(e->params[1]), + be32_to_cpu(e->params[2]), + be32_to_cpu(e->params[3]), + be32_to_cpu(e->params[4]), + be32_to_cpu(e->params[5]), + be32_to_cpu(e->params[6]), + be32_to_cpu(e->params[7])); } return 0; } @@ -1043,23 +1050,17 @@ static int devlog_open(struct inode *inode, struct file *file) return ret; } - /* Translate log multi-byte integral elements into host native format - * and determine where the first entry in the log is. + /* Find the earliest (lowest Sequence Number) log entry in the + * circular Device Log. */ for (fseqno = ~((u32)0), index = 0; index < dinfo->nentries; index++) { struct fw_devlog_e *e = &dinfo->log[index]; - int i; __u32 seqno; if (e->timestamp == 0) continue; - e->timestamp = (__force __be64)be64_to_cpu(e->timestamp); seqno = be32_to_cpu(e->seqno); - for (i = 0; i < 8; i++) - e->params[i] = - (__force __be32)be32_to_cpu(e->params[i]); - if (seqno < fseqno) { fseqno = seqno; dinfo->first = index; diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index da2004e2a741..918a8e42139b 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1170,7 +1170,7 @@ static int enic_poll(struct napi_struct *napi, int budget) wq_work_done, 0 /* dont unmask intr */, 0 /* dont reset intr timer */); - return rq_work_done; + return budget; } if (budget > 0) @@ -1191,6 +1191,7 @@ static int enic_poll(struct napi_struct *napi, int budget) 0 /* don't reset intr timer */); err = vnic_rq_fill(&enic->rq[0], enic_rq_alloc_buf); + enic_poll_unlock_napi(&enic->rq[cq_rq], napi); /* Buffer allocation failed. Stay in polling * mode so we can try to fill the ring again. @@ -1208,7 +1209,6 @@ static int enic_poll(struct napi_struct *napi, int budget) napi_complete(napi); vnic_intr_unmask(&enic->intr[intr]); } - enic_poll_unlock_napi(&enic->rq[cq_rq], napi); return rq_work_done; } diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 370e20ed224c..62e48bc0cb23 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -1462,7 +1462,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, struct mvneta_rx_queue *rxq) { struct net_device *dev = pp->dev; - int rx_done, rx_filled; + int rx_done; u32 rcvd_pkts = 0; u32 rcvd_bytes = 0; @@ -1473,7 +1473,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, rx_todo = rx_done; rx_done = 0; - rx_filled = 0; /* Fairness NAPI loop */ while (rx_done < rx_todo) { @@ -1484,7 +1483,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, int rx_bytes, err; rx_done++; - rx_filled++; rx_status = rx_desc->status; rx_bytes = rx_desc->data_size - (ETH_FCS_LEN + MVNETA_MH_SIZE); data = (unsigned char *)rx_desc->buf_cookie; @@ -1524,6 +1522,14 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, continue; } + /* Refill processing */ + err = mvneta_rx_refill(pp, rx_desc); + if (err) { + netdev_err(dev, "Linux processing - Can't refill\n"); + rxq->missed++; + goto err_drop_frame; + } + skb = build_skb(data, pp->frag_size > PAGE_SIZE ? 0 : pp->frag_size); if (!skb) goto err_drop_frame; @@ -1543,14 +1549,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, mvneta_rx_csum(pp, rx_status, skb); napi_gro_receive(&pp->napi, skb); - - /* Refill processing */ - err = mvneta_rx_refill(pp, rx_desc); - if (err) { - netdev_err(dev, "Linux processing - Can't refill\n"); - rxq->missed++; - rx_filled--; - } } if (rcvd_pkts) { @@ -1563,7 +1561,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, } /* Update rxq management counters */ - mvneta_rxq_desc_num_update(pp, rxq, rx_done, rx_filled); + mvneta_rxq_desc_num_update(pp, rxq, rx_done, rx_done); return rx_done; } diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index fd9745714d90..78849dd4ef8e 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -228,9 +228,7 @@ static void ravb_ring_format(struct net_device *ndev, int q) struct ravb_desc *desc = NULL; int rx_ring_size = sizeof(*rx_desc) * priv->num_rx_ring[q]; int tx_ring_size = sizeof(*tx_desc) * priv->num_tx_ring[q]; - struct sk_buff *skb; dma_addr_t dma_addr; - void *buffer; int i; priv->cur_rx[q] = 0; @@ -241,41 +239,28 @@ static void ravb_ring_format(struct net_device *ndev, int q) memset(priv->rx_ring[q], 0, rx_ring_size); /* Build RX ring buffer */ for (i = 0; i < priv->num_rx_ring[q]; i++) { - priv->rx_skb[q][i] = NULL; - skb = netdev_alloc_skb(ndev, PKT_BUF_SZ + RAVB_ALIGN - 1); - if (!skb) - break; - ravb_set_buffer_align(skb); /* RX descriptor */ rx_desc = &priv->rx_ring[q][i]; /* The size of the buffer should be on 16-byte boundary. */ rx_desc->ds_cc = cpu_to_le16(ALIGN(PKT_BUF_SZ, 16)); - dma_addr = dma_map_single(&ndev->dev, skb->data, + dma_addr = dma_map_single(&ndev->dev, priv->rx_skb[q][i]->data, ALIGN(PKT_BUF_SZ, 16), DMA_FROM_DEVICE); - if (dma_mapping_error(&ndev->dev, dma_addr)) { - dev_kfree_skb(skb); - break; - } - priv->rx_skb[q][i] = skb; + /* We just set the data size to 0 for a failed mapping which + * should prevent DMA from happening... + */ + if (dma_mapping_error(&ndev->dev, dma_addr)) + rx_desc->ds_cc = cpu_to_le16(0); rx_desc->dptr = cpu_to_le32(dma_addr); rx_desc->die_dt = DT_FEMPTY; } rx_desc = &priv->rx_ring[q][i]; rx_desc->dptr = cpu_to_le32((u32)priv->rx_desc_dma[q]); rx_desc->die_dt = DT_LINKFIX; /* type */ - priv->dirty_rx[q] = (u32)(i - priv->num_rx_ring[q]); memset(priv->tx_ring[q], 0, tx_ring_size); /* Build TX ring buffer */ for (i = 0; i < priv->num_tx_ring[q]; i++) { - priv->tx_skb[q][i] = NULL; - priv->tx_buffers[q][i] = NULL; - buffer = kmalloc(PKT_BUF_SZ + RAVB_ALIGN - 1, GFP_KERNEL); - if (!buffer) - break; - /* Aligned TX buffer */ - priv->tx_buffers[q][i] = buffer; tx_desc = &priv->tx_ring[q][i]; tx_desc->die_dt = DT_EEMPTY; } @@ -298,7 +283,10 @@ static void ravb_ring_format(struct net_device *ndev, int q) static int ravb_ring_init(struct net_device *ndev, int q) { struct ravb_private *priv = netdev_priv(ndev); + struct sk_buff *skb; int ring_size; + void *buffer; + int i; /* Allocate RX and TX skb rings */ priv->rx_skb[q] = kcalloc(priv->num_rx_ring[q], @@ -308,12 +296,28 @@ static int ravb_ring_init(struct net_device *ndev, int q) if (!priv->rx_skb[q] || !priv->tx_skb[q]) goto error; + for (i = 0; i < priv->num_rx_ring[q]; i++) { + skb = netdev_alloc_skb(ndev, PKT_BUF_SZ + RAVB_ALIGN - 1); + if (!skb) + goto error; + ravb_set_buffer_align(skb); + priv->rx_skb[q][i] = skb; + } + /* Allocate rings for the aligned buffers */ priv->tx_buffers[q] = kcalloc(priv->num_tx_ring[q], sizeof(*priv->tx_buffers[q]), GFP_KERNEL); if (!priv->tx_buffers[q]) goto error; + for (i = 0; i < priv->num_tx_ring[q]; i++) { + buffer = kmalloc(PKT_BUF_SZ + RAVB_ALIGN - 1, GFP_KERNEL); + if (!buffer) + goto error; + /* Aligned TX buffer */ + priv->tx_buffers[q][i] = buffer; + } + /* Allocate all RX descriptors. */ ring_size = sizeof(struct ravb_ex_rx_desc) * (priv->num_rx_ring[q] + 1); priv->rx_ring[q] = dma_alloc_coherent(NULL, ring_size, @@ -524,6 +528,10 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q) if (--boguscnt < 0) break; + /* We use 0-byte descriptors to mark the DMA mapping errors */ + if (!pkt_len) + continue; + if (desc_status & MSC_MC) stats->multicast++; @@ -543,10 +551,9 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q) skb = priv->rx_skb[q][entry]; priv->rx_skb[q][entry] = NULL; - dma_sync_single_for_cpu(&ndev->dev, - le32_to_cpu(desc->dptr), - ALIGN(PKT_BUF_SZ, 16), - DMA_FROM_DEVICE); + dma_unmap_single(&ndev->dev, le32_to_cpu(desc->dptr), + ALIGN(PKT_BUF_SZ, 16), + DMA_FROM_DEVICE); get_ts &= (q == RAVB_NC) ? RAVB_RXTSTAMP_TYPE_V2_L2_EVENT : ~RAVB_RXTSTAMP_TYPE_V2_L2_EVENT; @@ -584,17 +591,15 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q) if (!skb) break; /* Better luck next round. */ ravb_set_buffer_align(skb); - dma_unmap_single(&ndev->dev, le32_to_cpu(desc->dptr), - ALIGN(PKT_BUF_SZ, 16), - DMA_FROM_DEVICE); dma_addr = dma_map_single(&ndev->dev, skb->data, le16_to_cpu(desc->ds_cc), DMA_FROM_DEVICE); skb_checksum_none_assert(skb); - if (dma_mapping_error(&ndev->dev, dma_addr)) { - dev_kfree_skb_any(skb); - break; - } + /* We just set the data size to 0 for a failed mapping + * which should prevent DMA from happening... + */ + if (dma_mapping_error(&ndev->dev, dma_addr)) + desc->ds_cc = cpu_to_le16(0); desc->dptr = cpu_to_le32(dma_addr); priv->rx_skb[q][entry] = skb; } @@ -1279,7 +1284,6 @@ static netdev_tx_t ravb_start_xmit(struct sk_buff *skb, struct net_device *ndev) u32 dma_addr; void *buffer; u32 entry; - u32 tccr; spin_lock_irqsave(&priv->lock, flags); if (priv->cur_tx[q] - priv->dirty_tx[q] >= priv->num_tx_ring[q]) { @@ -1328,9 +1332,7 @@ static netdev_tx_t ravb_start_xmit(struct sk_buff *skb, struct net_device *ndev) dma_wmb(); desc->die_dt = DT_FSINGLE; - tccr = ravb_read(ndev, TCCR); - if (!(tccr & (TCCR_TSRQ0 << q))) - ravb_write(ndev, tccr | (TCCR_TSRQ0 << q), TCCR); + ravb_write(ndev, ravb_read(ndev, TCCR) | (TCCR_TSRQ0 << q), TCCR); priv->cur_tx[q]++; if (priv->cur_tx[q] - priv->dirty_tx[q] >= priv->num_tx_ring[q] && diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 847643455468..605cc8948594 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -101,6 +101,11 @@ static unsigned int efx_ef10_mem_map_size(struct efx_nic *efx) return resource_size(&efx->pci_dev->resource[bar]); } +static bool efx_ef10_is_vf(struct efx_nic *efx) +{ + return efx->type->is_vf; +} + static int efx_ef10_get_pf_index(struct efx_nic *efx) { MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_FUNCTION_INFO_OUT_LEN); @@ -677,6 +682,48 @@ static int efx_ef10_probe_pf(struct efx_nic *efx) return efx_ef10_probe(efx); } +int efx_ef10_vadaptor_alloc(struct efx_nic *efx, unsigned int port_id) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_ALLOC_IN_LEN); + + MCDI_SET_DWORD(inbuf, VADAPTOR_ALLOC_IN_UPSTREAM_PORT_ID, port_id); + return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_ALLOC, inbuf, sizeof(inbuf), + NULL, 0, NULL); +} + +int efx_ef10_vadaptor_free(struct efx_nic *efx, unsigned int port_id) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_FREE_IN_LEN); + + MCDI_SET_DWORD(inbuf, VADAPTOR_FREE_IN_UPSTREAM_PORT_ID, port_id); + return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_FREE, inbuf, sizeof(inbuf), + NULL, 0, NULL); +} + +int efx_ef10_vport_add_mac(struct efx_nic *efx, + unsigned int port_id, u8 *mac) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_ADD_MAC_ADDRESS_IN_LEN); + + MCDI_SET_DWORD(inbuf, VPORT_ADD_MAC_ADDRESS_IN_VPORT_ID, port_id); + ether_addr_copy(MCDI_PTR(inbuf, VPORT_ADD_MAC_ADDRESS_IN_MACADDR), mac); + + return efx_mcdi_rpc(efx, MC_CMD_VPORT_ADD_MAC_ADDRESS, inbuf, + sizeof(inbuf), NULL, 0, NULL); +} + +int efx_ef10_vport_del_mac(struct efx_nic *efx, + unsigned int port_id, u8 *mac) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_DEL_MAC_ADDRESS_IN_LEN); + + MCDI_SET_DWORD(inbuf, VPORT_DEL_MAC_ADDRESS_IN_VPORT_ID, port_id); + ether_addr_copy(MCDI_PTR(inbuf, VPORT_DEL_MAC_ADDRESS_IN_MACADDR), mac); + + return efx_mcdi_rpc(efx, MC_CMD_VPORT_DEL_MAC_ADDRESS, inbuf, + sizeof(inbuf), NULL, 0, NULL); +} + #ifdef CONFIG_SFC_SRIOV static int efx_ef10_probe_vf(struct efx_nic *efx) { @@ -3804,6 +3851,72 @@ static void efx_ef10_filter_sync_rx_mode(struct efx_nic *efx) WARN_ON(remove_failed); } +static int efx_ef10_vport_set_mac_address(struct efx_nic *efx) +{ + struct efx_ef10_nic_data *nic_data = efx->nic_data; + u8 mac_old[ETH_ALEN]; + int rc, rc2; + + /* Only reconfigure a PF-created vport */ + if (is_zero_ether_addr(nic_data->vport_mac)) + return 0; + + efx_device_detach_sync(efx); + efx_net_stop(efx->net_dev); + down_write(&efx->filter_sem); + efx_ef10_filter_table_remove(efx); + up_write(&efx->filter_sem); + + rc = efx_ef10_vadaptor_free(efx, nic_data->vport_id); + if (rc) + goto restore_filters; + + ether_addr_copy(mac_old, nic_data->vport_mac); + rc = efx_ef10_vport_del_mac(efx, nic_data->vport_id, + nic_data->vport_mac); + if (rc) + goto restore_vadaptor; + + rc = efx_ef10_vport_add_mac(efx, nic_data->vport_id, + efx->net_dev->dev_addr); + if (!rc) { + ether_addr_copy(nic_data->vport_mac, efx->net_dev->dev_addr); + } else { + rc2 = efx_ef10_vport_add_mac(efx, nic_data->vport_id, mac_old); + if (rc2) { + /* Failed to add original MAC, so clear vport_mac */ + eth_zero_addr(nic_data->vport_mac); + goto reset_nic; + } + } + +restore_vadaptor: + rc2 = efx_ef10_vadaptor_alloc(efx, nic_data->vport_id); + if (rc2) + goto reset_nic; +restore_filters: + down_write(&efx->filter_sem); + rc2 = efx_ef10_filter_table_probe(efx); + up_write(&efx->filter_sem); + if (rc2) + goto reset_nic; + + rc2 = efx_net_open(efx->net_dev); + if (rc2) + goto reset_nic; + + netif_device_attach(efx->net_dev); + + return rc; + +reset_nic: + netif_err(efx, drv, efx->net_dev, + "Failed to restore when changing MAC address - scheduling reset\n"); + efx_schedule_reset(efx, RESET_TYPE_DATAPATH); + + return rc ? rc : rc2; +} + static int efx_ef10_set_mac_address(struct efx_nic *efx) { MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_SET_MAC_IN_LEN); @@ -3820,8 +3933,8 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx) efx->net_dev->dev_addr); MCDI_SET_DWORD(inbuf, VADAPTOR_SET_MAC_IN_UPSTREAM_PORT_ID, nic_data->vport_id); - rc = efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_SET_MAC, inbuf, - sizeof(inbuf), NULL, 0, NULL); + rc = efx_mcdi_rpc_quiet(efx, MC_CMD_VADAPTOR_SET_MAC, inbuf, + sizeof(inbuf), NULL, 0, NULL); efx_ef10_filter_table_probe(efx); up_write(&efx->filter_sem); @@ -3829,38 +3942,27 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx) efx_net_open(efx->net_dev); netif_device_attach(efx->net_dev); -#if !defined(CONFIG_SFC_SRIOV) - if (rc == -EPERM) - netif_err(efx, drv, efx->net_dev, - "Cannot change MAC address; use sfboot to enable mac-spoofing" - " on this interface\n"); -#else - if (rc == -EPERM) { +#ifdef CONFIG_SFC_SRIOV + if (efx->pci_dev->is_virtfn && efx->pci_dev->physfn) { struct pci_dev *pci_dev_pf = efx->pci_dev->physfn; - /* Switch to PF and change MAC address on vport */ - if (efx->pci_dev->is_virtfn && pci_dev_pf) { - struct efx_nic *efx_pf = pci_get_drvdata(pci_dev_pf); + if (rc == -EPERM) { + struct efx_nic *efx_pf; - if (!efx_ef10_sriov_set_vf_mac(efx_pf, - nic_data->vf_index, - efx->net_dev->dev_addr)) - return 0; - } - netif_err(efx, drv, efx->net_dev, - "Cannot change MAC address; use sfboot to enable mac-spoofing" - " on this interface\n"); - } else if (efx->pci_dev->is_virtfn) { - /* Successfully changed by VF (with MAC spoofing), so update the - * parent PF if possible. - */ - struct pci_dev *pci_dev_pf = efx->pci_dev->physfn; + /* Switch to PF and change MAC address on vport */ + efx_pf = pci_get_drvdata(pci_dev_pf); - if (pci_dev_pf) { + rc = efx_ef10_sriov_set_vf_mac(efx_pf, + nic_data->vf_index, + efx->net_dev->dev_addr); + } else if (!rc) { struct efx_nic *efx_pf = pci_get_drvdata(pci_dev_pf); struct efx_ef10_nic_data *nic_data = efx_pf->nic_data; unsigned int i; + /* MAC address successfully changed by VF (with MAC + * spoofing) so update the parent PF if possible. + */ for (i = 0; i < efx_pf->vf_count; ++i) { struct ef10_vf *vf = nic_data->vf + i; @@ -3871,8 +3973,24 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx) } } } - } + } else #endif + if (rc == -EPERM) { + netif_err(efx, drv, efx->net_dev, + "Cannot change MAC address; use sfboot to enable" + " mac-spoofing on this interface\n"); + } else if (rc == -ENOSYS && !efx_ef10_is_vf(efx)) { + /* If the active MCFW does not support MC_CMD_VADAPTOR_SET_MAC + * fall-back to the method of changing the MAC address on the + * vport. This only applies to PFs because such versions of + * MCFW do not support VFs. + */ + rc = efx_ef10_vport_set_mac_address(efx); + } else { + efx_mcdi_display_error(efx, MC_CMD_VADAPTOR_SET_MAC, + sizeof(inbuf), NULL, 0, rc); + } + return rc; } diff --git a/drivers/net/ethernet/sfc/ef10_sriov.c b/drivers/net/ethernet/sfc/ef10_sriov.c index 6c9b6e45509a..3c17f274e802 100644 --- a/drivers/net/ethernet/sfc/ef10_sriov.c +++ b/drivers/net/ethernet/sfc/ef10_sriov.c @@ -29,30 +29,6 @@ static int efx_ef10_evb_port_assign(struct efx_nic *efx, unsigned int port_id, NULL, 0, NULL); } -static int efx_ef10_vport_add_mac(struct efx_nic *efx, - unsigned int port_id, u8 *mac) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_ADD_MAC_ADDRESS_IN_LEN); - - MCDI_SET_DWORD(inbuf, VPORT_ADD_MAC_ADDRESS_IN_VPORT_ID, port_id); - ether_addr_copy(MCDI_PTR(inbuf, VPORT_ADD_MAC_ADDRESS_IN_MACADDR), mac); - - return efx_mcdi_rpc(efx, MC_CMD_VPORT_ADD_MAC_ADDRESS, inbuf, - sizeof(inbuf), NULL, 0, NULL); -} - -static int efx_ef10_vport_del_mac(struct efx_nic *efx, - unsigned int port_id, u8 *mac) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_VPORT_DEL_MAC_ADDRESS_IN_LEN); - - MCDI_SET_DWORD(inbuf, VPORT_DEL_MAC_ADDRESS_IN_VPORT_ID, port_id); - ether_addr_copy(MCDI_PTR(inbuf, VPORT_DEL_MAC_ADDRESS_IN_MACADDR), mac); - - return efx_mcdi_rpc(efx, MC_CMD_VPORT_DEL_MAC_ADDRESS, inbuf, - sizeof(inbuf), NULL, 0, NULL); -} - static int efx_ef10_vswitch_alloc(struct efx_nic *efx, unsigned int port_id, unsigned int vswitch_type) { @@ -136,24 +112,6 @@ static int efx_ef10_vport_free(struct efx_nic *efx, unsigned int port_id) NULL, 0, NULL); } -static int efx_ef10_vadaptor_alloc(struct efx_nic *efx, unsigned int port_id) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_ALLOC_IN_LEN); - - MCDI_SET_DWORD(inbuf, VADAPTOR_ALLOC_IN_UPSTREAM_PORT_ID, port_id); - return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_ALLOC, inbuf, sizeof(inbuf), - NULL, 0, NULL); -} - -static int efx_ef10_vadaptor_free(struct efx_nic *efx, unsigned int port_id) -{ - MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_FREE_IN_LEN); - - MCDI_SET_DWORD(inbuf, VADAPTOR_FREE_IN_UPSTREAM_PORT_ID, port_id); - return efx_mcdi_rpc(efx, MC_CMD_VADAPTOR_FREE, inbuf, sizeof(inbuf), - NULL, 0, NULL); -} - static void efx_ef10_sriov_free_vf_vports(struct efx_nic *efx) { struct efx_ef10_nic_data *nic_data = efx->nic_data; @@ -640,21 +598,21 @@ int efx_ef10_sriov_set_vf_vlan(struct efx_nic *efx, int vf_i, u16 vlan, MC_CMD_VPORT_ALLOC_IN_VPORT_TYPE_NORMAL, vf->vlan, &vf->vport_id); if (rc) - goto reset_nic; + goto reset_nic_up_write; restore_mac: if (!is_zero_ether_addr(vf->mac)) { rc2 = efx_ef10_vport_add_mac(efx, vf->vport_id, vf->mac); if (rc2) { eth_zero_addr(vf->mac); - goto reset_nic; + goto reset_nic_up_write; } } restore_evb_port: rc2 = efx_ef10_evb_port_assign(efx, vf->vport_id, vf_i); if (rc2) - goto reset_nic; + goto reset_nic_up_write; else vf->vport_assigned = 1; @@ -662,14 +620,16 @@ restore_vadaptor: if (vf->efx) { rc2 = efx_ef10_vadaptor_alloc(vf->efx, EVB_PORT_ID_ASSIGNED); if (rc2) - goto reset_nic; + goto reset_nic_up_write; } restore_filters: if (vf->efx) { rc2 = vf->efx->type->filter_table_probe(vf->efx); if (rc2) - goto reset_nic; + goto reset_nic_up_write; + + up_write(&vf->efx->filter_sem); up_write(&vf->efx->filter_sem); @@ -681,9 +641,12 @@ restore_filters: } return rc; +reset_nic_up_write: + if (vf->efx) + up_write(&vf->efx->filter_sem); + reset_nic: if (vf->efx) { - up_write(&vf->efx->filter_sem); netif_err(efx, drv, efx->net_dev, "Failed to restore VF - scheduling reset.\n"); efx_schedule_reset(vf->efx, RESET_TYPE_DATAPATH); diff --git a/drivers/net/ethernet/sfc/ef10_sriov.h b/drivers/net/ethernet/sfc/ef10_sriov.h index db4ef537c610..6d25b92cb45e 100644 --- a/drivers/net/ethernet/sfc/ef10_sriov.h +++ b/drivers/net/ethernet/sfc/ef10_sriov.h @@ -65,5 +65,11 @@ int efx_ef10_vswitching_restore_pf(struct efx_nic *efx); int efx_ef10_vswitching_restore_vf(struct efx_nic *efx); void efx_ef10_vswitching_remove_pf(struct efx_nic *efx); void efx_ef10_vswitching_remove_vf(struct efx_nic *efx); +int efx_ef10_vport_add_mac(struct efx_nic *efx, + unsigned int port_id, u8 *mac); +int efx_ef10_vport_del_mac(struct efx_nic *efx, + unsigned int port_id, u8 *mac); +int efx_ef10_vadaptor_alloc(struct efx_nic *efx, unsigned int port_id); +int efx_ef10_vadaptor_free(struct efx_nic *efx, unsigned int port_id); #endif /* EF10_SRIOV_H */ diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 804b9ad553d3..03bc03b67f08 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -245,11 +245,17 @@ static int efx_check_disabled(struct efx_nic *efx) */ static int efx_process_channel(struct efx_channel *channel, int budget) { + struct efx_tx_queue *tx_queue; int spent; if (unlikely(!channel->enabled)) return 0; + efx_for_each_channel_tx_queue(tx_queue, channel) { + tx_queue->pkts_compl = 0; + tx_queue->bytes_compl = 0; + } + spent = efx_nic_process_eventq(channel, budget); if (spent && efx_channel_has_rx_queue(channel)) { struct efx_rx_queue *rx_queue = @@ -259,6 +265,14 @@ static int efx_process_channel(struct efx_channel *channel, int budget) efx_fast_push_rx_descriptors(rx_queue, true); } + /* Update BQL */ + efx_for_each_channel_tx_queue(tx_queue, channel) { + if (tx_queue->bytes_compl) { + netdev_tx_completed_queue(tx_queue->core_txq, + tx_queue->pkts_compl, tx_queue->bytes_compl); + } + } + return spent; } diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index d72f522bf9c3..47d1e3a96522 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -241,6 +241,8 @@ struct efx_tx_queue { unsigned int read_count ____cacheline_aligned_in_smp; unsigned int old_write_count; unsigned int merge_events; + unsigned int bytes_compl; + unsigned int pkts_compl; /* Members used only on the xmit path */ unsigned int insert_count ____cacheline_aligned_in_smp; diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index aaf2987512b5..1833a0146571 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -617,7 +617,8 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index) EFX_BUG_ON_PARANOID(index > tx_queue->ptr_mask); efx_dequeue_buffers(tx_queue, index, &pkts_compl, &bytes_compl); - netdev_tx_completed_queue(tx_queue->core_txq, pkts_compl, bytes_compl); + tx_queue->pkts_compl += pkts_compl; + tx_queue->bytes_compl += bytes_compl; if (pkts_compl > 1) ++tx_queue->merge_events; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 50f7a7a26821..864b476f7fd5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2843,7 +2843,7 @@ int stmmac_dvr_probe(struct device *device, if (res->mac) memcpy(priv->dev->dev_addr, res->mac, ETH_ALEN); - dev_set_drvdata(device, priv); + dev_set_drvdata(device, priv->dev); /* Verify driver arguments */ stmmac_verify_args(); diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 462820514fae..d155bf2573cd 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -138,19 +138,6 @@ do { \ #define CPSW_CMINTMAX_INTVL (1000 / CPSW_CMINTMIN_CNT) #define CPSW_CMINTMIN_INTVL ((1000 / CPSW_CMINTMAX_CNT) + 1) -#define cpsw_enable_irq(priv) \ - do { \ - u32 i; \ - for (i = 0; i < priv->num_irqs; i++) \ - enable_irq(priv->irqs_table[i]); \ - } while (0) -#define cpsw_disable_irq(priv) \ - do { \ - u32 i; \ - for (i = 0; i < priv->num_irqs; i++) \ - disable_irq_nosync(priv->irqs_table[i]); \ - } while (0) - #define cpsw_slave_index(priv) \ ((priv->data.dual_emac) ? priv->emac_port : \ priv->data.active_slave) @@ -509,9 +496,11 @@ static const struct cpsw_stats cpsw_gstrings_stats[] = { (func)(slave++, ##arg); \ } while (0) #define cpsw_get_slave_ndev(priv, __slave_no__) \ - (priv->slaves[__slave_no__].ndev) + ((__slave_no__ < priv->data.slaves) ? \ + priv->slaves[__slave_no__].ndev : NULL) #define cpsw_get_slave_priv(priv, __slave_no__) \ - ((priv->slaves[__slave_no__].ndev) ? \ + (((__slave_no__ < priv->data.slaves) && \ + (priv->slaves[__slave_no__].ndev)) ? \ netdev_priv(priv->slaves[__slave_no__].ndev) : NULL) \ #define cpsw_dual_emac_src_port_detect(status, priv, ndev, skb) \ @@ -781,7 +770,7 @@ static irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id) cpsw_intr_disable(priv); if (priv->irq_enabled == true) { - cpsw_disable_irq(priv); + disable_irq_nosync(priv->irqs_table[0]); priv->irq_enabled = false; } @@ -804,9 +793,7 @@ static irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id) static int cpsw_poll(struct napi_struct *napi, int budget) { struct cpsw_priv *priv = napi_to_priv(napi); - int num_tx, num_rx; - - num_tx = cpdma_chan_process(priv->txch, 128); + int num_rx; num_rx = cpdma_chan_process(priv->rxch, budget); if (num_rx < budget) { @@ -817,13 +804,12 @@ static int cpsw_poll(struct napi_struct *napi, int budget) prim_cpsw = cpsw_get_slave_priv(priv, 0); if (prim_cpsw->irq_enabled == false) { prim_cpsw->irq_enabled = true; - cpsw_enable_irq(priv); + enable_irq(priv->irqs_table[0]); } } - if (num_rx || num_tx) - cpsw_dbg(priv, intr, "poll %d rx, %d tx pkts\n", - num_rx, num_tx); + if (num_rx) + cpsw_dbg(priv, intr, "poll %d rx pkts\n", num_rx); return num_rx; } @@ -1333,7 +1319,7 @@ static int cpsw_ndo_open(struct net_device *ndev) if (prim_cpsw->irq_enabled == false) { if ((priv == prim_cpsw) || !netif_running(prim_cpsw->ndev)) { prim_cpsw->irq_enabled = true; - cpsw_enable_irq(prim_cpsw); + enable_irq(prim_cpsw->irqs_table[0]); } } diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c index 5ec4ed3f6c8d..ec8ed30196f3 100644 --- a/drivers/net/ethernet/ti/netcp_core.c +++ b/drivers/net/ethernet/ti/netcp_core.c @@ -1617,11 +1617,11 @@ static int netcp_ndo_open(struct net_device *ndev) } mutex_unlock(&netcp_modules_lock); - netcp_rxpool_refill(netcp); napi_enable(&netcp->rx_napi); napi_enable(&netcp->tx_napi); knav_queue_enable_notify(netcp->tx_compl_q); knav_queue_enable_notify(netcp->rx_queue); + netcp_rxpool_refill(netcp); netif_tx_wake_all_queues(ndev); dev_dbg(netcp->ndev_dev, "netcp device %s opened\n", ndev->name); return 0; diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 4208dd7ef101..d95f9aae95e7 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -1530,9 +1530,9 @@ static int axienet_probe(struct platform_device *pdev) /* Map device registers */ ethres = platform_get_resource(pdev, IORESOURCE_MEM, 0); lp->regs = devm_ioremap_resource(&pdev->dev, ethres); - if (!lp->regs) { + if (IS_ERR(lp->regs)) { dev_err(&pdev->dev, "could not map Axi Ethernet regs.\n"); - ret = -ENOMEM; + ret = PTR_ERR(lp->regs); goto free_netdev; } @@ -1599,9 +1599,9 @@ static int axienet_probe(struct platform_device *pdev) goto free_netdev; } lp->dma_regs = devm_ioremap_resource(&pdev->dev, &dmares); - if (!lp->dma_regs) { + if (IS_ERR(lp->dma_regs)) { dev_err(&pdev->dev, "could not map DMA regs\n"); - ret = -ENOMEM; + ret = PTR_ERR(lp->dma_regs); goto free_netdev; } lp->rx_irq = irq_of_parse_and_map(np, 1); diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c index 7856b6ccf5c5..d95a50ae996d 100644 --- a/drivers/net/hamradio/bpqether.c +++ b/drivers/net/hamradio/bpqether.c @@ -482,6 +482,7 @@ static void bpq_setup(struct net_device *dev) memcpy(dev->dev_addr, &ax25_defaddr, AX25_ADDR_LEN); dev->flags = 0; + dev->features = NETIF_F_LLTX; /* Allow recursion */ #if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE) dev->header_ops = &ax25_header_ops; diff --git a/drivers/net/ipvlan/ipvlan.h b/drivers/net/ipvlan/ipvlan.h index 953a97492fab..9542b7bac61a 100644 --- a/drivers/net/ipvlan/ipvlan.h +++ b/drivers/net/ipvlan/ipvlan.h @@ -67,8 +67,6 @@ struct ipvl_dev { struct ipvl_port *port; struct net_device *phy_dev; struct list_head addrs; - int ipv4cnt; - int ipv6cnt; struct ipvl_pcpu_stats __percpu *pcpu_stats; DECLARE_BITMAP(mac_filters, IPVLAN_MAC_FILTER_SIZE); netdev_features_t sfeatures; @@ -106,6 +104,11 @@ static inline struct ipvl_port *ipvlan_port_get_rcu(const struct net_device *d) return rcu_dereference(d->rx_handler_data); } +static inline struct ipvl_port *ipvlan_port_get_rcu_bh(const struct net_device *d) +{ + return rcu_dereference_bh(d->rx_handler_data); +} + static inline struct ipvl_port *ipvlan_port_get_rtnl(const struct net_device *d) { return rtnl_dereference(d->rx_handler_data); @@ -124,5 +127,5 @@ struct ipvl_addr *ipvlan_find_addr(const struct ipvl_dev *ipvlan, bool ipvlan_addr_busy(struct ipvl_port *port, void *iaddr, bool is_v6); struct ipvl_addr *ipvlan_ht_addr_lookup(const struct ipvl_port *port, const void *iaddr, bool is_v6); -void ipvlan_ht_addr_del(struct ipvl_addr *addr, bool sync); +void ipvlan_ht_addr_del(struct ipvl_addr *addr); #endif /* __IPVLAN_H */ diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c index 8afbedad620d..207f62e8de9a 100644 --- a/drivers/net/ipvlan/ipvlan_core.c +++ b/drivers/net/ipvlan/ipvlan_core.c @@ -85,11 +85,9 @@ void ipvlan_ht_addr_add(struct ipvl_dev *ipvlan, struct ipvl_addr *addr) hlist_add_head_rcu(&addr->hlnode, &port->hlhead[hash]); } -void ipvlan_ht_addr_del(struct ipvl_addr *addr, bool sync) +void ipvlan_ht_addr_del(struct ipvl_addr *addr) { hlist_del_init_rcu(&addr->hlnode); - if (sync) - synchronize_rcu(); } struct ipvl_addr *ipvlan_find_addr(const struct ipvl_dev *ipvlan, @@ -531,7 +529,7 @@ static int ipvlan_xmit_mode_l2(struct sk_buff *skb, struct net_device *dev) int ipvlan_queue_xmit(struct sk_buff *skb, struct net_device *dev) { struct ipvl_dev *ipvlan = netdev_priv(dev); - struct ipvl_port *port = ipvlan_port_get_rcu(ipvlan->phy_dev); + struct ipvl_port *port = ipvlan_port_get_rcu_bh(ipvlan->phy_dev); if (!port) goto out; diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index 1acc283160d9..20b58bdecf75 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -153,10 +153,9 @@ static int ipvlan_open(struct net_device *dev) else dev->flags &= ~IFF_NOARP; - if (ipvlan->ipv6cnt > 0 || ipvlan->ipv4cnt > 0) { - list_for_each_entry(addr, &ipvlan->addrs, anode) - ipvlan_ht_addr_add(ipvlan, addr); - } + list_for_each_entry(addr, &ipvlan->addrs, anode) + ipvlan_ht_addr_add(ipvlan, addr); + return dev_uc_add(phy_dev, phy_dev->dev_addr); } @@ -171,10 +170,9 @@ static int ipvlan_stop(struct net_device *dev) dev_uc_del(phy_dev, phy_dev->dev_addr); - if (ipvlan->ipv6cnt > 0 || ipvlan->ipv4cnt > 0) { - list_for_each_entry(addr, &ipvlan->addrs, anode) - ipvlan_ht_addr_del(addr, !dev->dismantle); - } + list_for_each_entry(addr, &ipvlan->addrs, anode) + ipvlan_ht_addr_del(addr); + return 0; } @@ -471,8 +469,6 @@ static int ipvlan_link_new(struct net *src_net, struct net_device *dev, ipvlan->port = port; ipvlan->sfeatures = IPVLAN_FEATURES; INIT_LIST_HEAD(&ipvlan->addrs); - ipvlan->ipv4cnt = 0; - ipvlan->ipv6cnt = 0; /* TODO Probably put random address here to be presented to the * world but keep using the physical-dev address for the outgoing @@ -508,12 +504,12 @@ static void ipvlan_link_delete(struct net_device *dev, struct list_head *head) struct ipvl_dev *ipvlan = netdev_priv(dev); struct ipvl_addr *addr, *next; - if (ipvlan->ipv6cnt > 0 || ipvlan->ipv4cnt > 0) { - list_for_each_entry_safe(addr, next, &ipvlan->addrs, anode) { - ipvlan_ht_addr_del(addr, !dev->dismantle); - list_del(&addr->anode); - } + list_for_each_entry_safe(addr, next, &ipvlan->addrs, anode) { + ipvlan_ht_addr_del(addr); + list_del(&addr->anode); + kfree_rcu(addr, rcu); } + list_del_rcu(&ipvlan->pnode); unregister_netdevice_queue(dev, head); netdev_upper_dev_unlink(ipvlan->phy_dev, dev); @@ -627,7 +623,7 @@ static int ipvlan_add_addr6(struct ipvl_dev *ipvlan, struct in6_addr *ip6_addr) memcpy(&addr->ip6addr, ip6_addr, sizeof(struct in6_addr)); addr->atype = IPVL_IPV6; list_add_tail(&addr->anode, &ipvlan->addrs); - ipvlan->ipv6cnt++; + /* If the interface is not up, the address will be added to the hash * list by ipvlan_open. */ @@ -645,10 +641,8 @@ static void ipvlan_del_addr6(struct ipvl_dev *ipvlan, struct in6_addr *ip6_addr) if (!addr) return; - ipvlan_ht_addr_del(addr, true); + ipvlan_ht_addr_del(addr); list_del(&addr->anode); - ipvlan->ipv6cnt--; - WARN_ON(ipvlan->ipv6cnt < 0); kfree_rcu(addr, rcu); return; @@ -661,6 +655,10 @@ static int ipvlan_addr6_event(struct notifier_block *unused, struct net_device *dev = (struct net_device *)if6->idev->dev; struct ipvl_dev *ipvlan = netdev_priv(dev); + /* FIXME IPv6 autoconf calls us from bh without RTNL */ + if (in_softirq()) + return NOTIFY_DONE; + if (!netif_is_ipvlan(dev)) return NOTIFY_DONE; @@ -699,7 +697,7 @@ static int ipvlan_add_addr4(struct ipvl_dev *ipvlan, struct in_addr *ip4_addr) memcpy(&addr->ip4addr, ip4_addr, sizeof(struct in_addr)); addr->atype = IPVL_IPV4; list_add_tail(&addr->anode, &ipvlan->addrs); - ipvlan->ipv4cnt++; + /* If the interface is not up, the address will be added to the hash * list by ipvlan_open. */ @@ -717,10 +715,8 @@ static void ipvlan_del_addr4(struct ipvl_dev *ipvlan, struct in_addr *ip4_addr) if (!addr) return; - ipvlan_ht_addr_del(addr, true); + ipvlan_ht_addr_del(addr); list_del(&addr->anode); - ipvlan->ipv4cnt--; - WARN_ON(ipvlan->ipv4cnt < 0); kfree_rcu(addr, rcu); return; diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index f8370808a018..3b933bb5a8d5 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -1355,6 +1355,7 @@ static void macvtap_exit(void) class_unregister(macvtap_class); cdev_del(&macvtap_cdev); unregister_chrdev_region(macvtap_major, MACVTAP_NUM_DEVS); + idr_destroy(&minor_idr); } module_exit(macvtap_exit); diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index cf18940f4e84..cb86d7a01542 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -191,7 +191,7 @@ config MDIO_BUS_MUX_GPIO config MDIO_BUS_MUX_MMIOREG tristate "Support for MMIO device-controlled MDIO bus multiplexers" - depends on OF_MDIO + depends on OF_MDIO && HAS_IOMEM select MDIO_BUS_MUX help This module provides a driver for MDIO bus multiplexers that diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c index c7a12e2e07b7..8a3bf5469892 100644 --- a/drivers/net/phy/dp83867.c +++ b/drivers/net/phy/dp83867.c @@ -164,7 +164,7 @@ static int dp83867_config_init(struct phy_device *phydev) return ret; } - if ((phydev->interface >= PHY_INTERFACE_MODE_RGMII_ID) || + if ((phydev->interface >= PHY_INTERFACE_MODE_RGMII_ID) && (phydev->interface <= PHY_INTERFACE_MODE_RGMII_RXID)) { val = phy_read_mmd_indirect(phydev, DP83867_RGMIICTL, DP83867_DEVADDR, phydev->addr); diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 095ef3fe369a..46a14cbb0215 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -421,6 +421,8 @@ static int mdio_bus_match(struct device *dev, struct device_driver *drv) { struct phy_device *phydev = to_phy_device(dev); struct phy_driver *phydrv = to_phy_driver(drv); + const int num_ids = ARRAY_SIZE(phydev->c45_ids.device_ids); + int i; if (of_driver_match_device(dev, drv)) return 1; @@ -428,8 +430,21 @@ static int mdio_bus_match(struct device *dev, struct device_driver *drv) if (phydrv->match_phy_device) return phydrv->match_phy_device(phydev); - return (phydrv->phy_id & phydrv->phy_id_mask) == - (phydev->phy_id & phydrv->phy_id_mask); + if (phydev->is_c45) { + for (i = 1; i < num_ids; i++) { + if (!(phydev->c45_ids.devices_in_package & (1 << i))) + continue; + + if ((phydrv->phy_id & phydrv->phy_id_mask) == + (phydev->c45_ids.device_ids[i] & + phydrv->phy_id_mask)) + return 1; + } + return 0; + } else { + return (phydrv->phy_id & phydrv->phy_id_mask) == + (phydev->phy_id & phydrv->phy_id_mask); + } } #ifdef CONFIG_PM diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 4545e78840b0..35a2bffe848a 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -523,6 +523,7 @@ static const struct driver_info wwan_info = { #define REALTEK_VENDOR_ID 0x0bda #define SAMSUNG_VENDOR_ID 0x04e8 #define LENOVO_VENDOR_ID 0x17ef +#define NVIDIA_VENDOR_ID 0x0955 static const struct usb_device_id products[] = { /* BLACKLIST !! @@ -710,6 +711,13 @@ static const struct usb_device_id products[] = { .driver_info = 0, }, +/* NVIDIA Tegra USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */ +{ + USB_DEVICE_AND_INTERFACE_INFO(NVIDIA_VENDOR_ID, 0x09ff, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + /* WHITELIST!!! * * CDC Ether uses two interfaces, not necessarily consecutive. diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index e4b7a47a825c..efc18e05af0a 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -158,7 +158,7 @@ static int cdc_mbim_bind(struct usbnet *dev, struct usb_interface *intf) if (!cdc_ncm_comm_intf_is_mbim(intf->cur_altsetting)) goto err; - ret = cdc_ncm_bind_common(dev, intf, data_altsetting); + ret = cdc_ncm_bind_common(dev, intf, data_altsetting, 0); if (ret) goto err; diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 8067b8fbb0ee..db40175b1a0b 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -6,7 +6,7 @@ * Original author: Hans Petter Selasky <hans.petter.selasky@stericsson.com> * * USB Host Driver for Network Control Model (NCM) - * http://www.usb.org/developers/devclass_docs/NCM10.zip + * http://www.usb.org/developers/docs/devclass_docs/NCM10_012011.zip * * The NCM encoding, decoding and initialization logic * derives from FreeBSD 8.x. if_cdce.c and if_cdcereg.h @@ -684,10 +684,12 @@ static void cdc_ncm_free(struct cdc_ncm_ctx *ctx) ctx->tx_curr_skb = NULL; } + kfree(ctx->delayed_ndp16); + kfree(ctx); } -int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting) +int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags) { const struct usb_cdc_union_desc *union_desc = NULL; struct cdc_ncm_ctx *ctx; @@ -855,6 +857,17 @@ advance: /* finish setting up the device specific data */ cdc_ncm_setup(dev); + /* Device-specific flags */ + ctx->drvflags = drvflags; + + /* Allocate the delayed NDP if needed. */ + if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) { + ctx->delayed_ndp16 = kzalloc(ctx->max_ndp_size, GFP_KERNEL); + if (!ctx->delayed_ndp16) + goto error2; + dev_info(&intf->dev, "NDP will be placed at end of frame for this device."); + } + /* override ethtool_ops */ dev->net->ethtool_ops = &cdc_ncm_ethtool_ops; @@ -954,8 +967,11 @@ static int cdc_ncm_bind(struct usbnet *dev, struct usb_interface *intf) if (cdc_ncm_select_altsetting(intf) != CDC_NCM_COMM_ALTSETTING_NCM) return -ENODEV; - /* The NCM data altsetting is fixed */ - ret = cdc_ncm_bind_common(dev, intf, CDC_NCM_DATA_ALTSETTING_NCM); + /* The NCM data altsetting is fixed, so we hard-coded it. + * Additionally, generic NCM devices are assumed to accept arbitrarily + * placed NDP. + */ + ret = cdc_ncm_bind_common(dev, intf, CDC_NCM_DATA_ALTSETTING_NCM, 0); /* * We should get an event when network connection is "connected" or @@ -986,6 +1002,14 @@ static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_ struct usb_cdc_ncm_nth16 *nth16 = (void *)skb->data; size_t ndpoffset = le16_to_cpu(nth16->wNdpIndex); + /* If NDP should be moved to the end of the NCM package, we can't follow the + * NTH16 header as we would normally do. NDP isn't written to the SKB yet, and + * the wNdpIndex field in the header is actually not consistent with reality. It will be later. + */ + if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) + if (ctx->delayed_ndp16->dwSignature == sign) + return ctx->delayed_ndp16; + /* follow the chain of NDPs, looking for a match */ while (ndpoffset) { ndp16 = (struct usb_cdc_ncm_ndp16 *)(skb->data + ndpoffset); @@ -995,7 +1019,8 @@ static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_ } /* align new NDP */ - cdc_ncm_align_tail(skb, ctx->tx_ndp_modulus, 0, ctx->tx_max); + if (!(ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END)) + cdc_ncm_align_tail(skb, ctx->tx_ndp_modulus, 0, ctx->tx_max); /* verify that there is room for the NDP and the datagram (reserve) */ if ((ctx->tx_max - skb->len - reserve) < ctx->max_ndp_size) @@ -1008,7 +1033,11 @@ static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_ nth16->wNdpIndex = cpu_to_le16(skb->len); /* push a new empty NDP */ - ndp16 = (struct usb_cdc_ncm_ndp16 *)memset(skb_put(skb, ctx->max_ndp_size), 0, ctx->max_ndp_size); + if (!(ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END)) + ndp16 = (struct usb_cdc_ncm_ndp16 *)memset(skb_put(skb, ctx->max_ndp_size), 0, ctx->max_ndp_size); + else + ndp16 = ctx->delayed_ndp16; + ndp16->dwSignature = sign; ndp16->wLength = cpu_to_le16(sizeof(struct usb_cdc_ncm_ndp16) + sizeof(struct usb_cdc_ncm_dpe16)); return ndp16; @@ -1023,6 +1052,15 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) struct sk_buff *skb_out; u16 n = 0, index, ndplen; u8 ready2send = 0; + u32 delayed_ndp_size; + + /* When our NDP gets written in cdc_ncm_ndp(), then skb_out->len gets updated + * accordingly. Otherwise, we should check here. + */ + if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) + delayed_ndp_size = ctx->max_ndp_size; + else + delayed_ndp_size = 0; /* if there is a remaining skb, it gets priority */ if (skb != NULL) { @@ -1077,7 +1115,7 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) cdc_ncm_align_tail(skb_out, ctx->tx_modulus, ctx->tx_remainder, ctx->tx_max); /* check if we had enough room left for both NDP and frame */ - if (!ndp16 || skb_out->len + skb->len > ctx->tx_max) { + if (!ndp16 || skb_out->len + skb->len + delayed_ndp_size > ctx->tx_max) { if (n == 0) { /* won't fit, MTU problem? */ dev_kfree_skb_any(skb); @@ -1150,6 +1188,17 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) /* variables will be reset at next call */ } + /* If requested, put NDP at end of frame. */ + if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) { + nth16 = (struct usb_cdc_ncm_nth16 *)skb_out->data; + cdc_ncm_align_tail(skb_out, ctx->tx_ndp_modulus, 0, ctx->tx_max); + nth16->wNdpIndex = cpu_to_le16(skb_out->len); + memcpy(skb_put(skb_out, ctx->max_ndp_size), ctx->delayed_ndp16, ctx->max_ndp_size); + + /* Zero out delayed NDP - signature checking will naturally fail. */ + ndp16 = memset(ctx->delayed_ndp16, 0, ctx->max_ndp_size); + } + /* If collected data size is less or equal ctx->min_tx_pkt * bytes, we send buffers as it is. If we get more data, it * would be more efficient for USB HS mobile device with DMA diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c index 735f7dadb9a0..2680a65cd5e4 100644 --- a/drivers/net/usb/huawei_cdc_ncm.c +++ b/drivers/net/usb/huawei_cdc_ncm.c @@ -73,11 +73,14 @@ static int huawei_cdc_ncm_bind(struct usbnet *usbnet_dev, struct usb_driver *subdriver = ERR_PTR(-ENODEV); int ret = -ENODEV; struct huawei_cdc_ncm_state *drvstate = (void *)&usbnet_dev->data; + int drvflags = 0; /* altsetting should always be 1 for NCM devices - so we hard-coded - * it here + * it here. Some huawei devices will need the NDP part of the NCM package to + * be at the end of the frame. */ - ret = cdc_ncm_bind_common(usbnet_dev, intf, 1); + drvflags |= CDC_NCM_FLAG_NDP_TO_END; + ret = cdc_ncm_bind_common(usbnet_dev, intf, 1, drvflags); if (ret) goto err; diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index f603f362504b..9d43460ce3c7 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -757,6 +757,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ + {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */ {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */ {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index aafa1a1898e4..7f6419ebb5e1 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -494,6 +494,7 @@ enum rtl8152_flags { #define VENDOR_ID_REALTEK 0x0bda #define VENDOR_ID_SAMSUNG 0x04e8 #define VENDOR_ID_LENOVO 0x17ef +#define VENDOR_ID_NVIDIA 0x0955 #define MCU_TYPE_PLA 0x0100 #define MCU_TYPE_USB 0x0000 @@ -4117,6 +4118,7 @@ static struct usb_device_id rtl8152_table[] = { {REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)}, {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7205)}, {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x304f)}, + {REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA, 0x09ff)}, {} }; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 63c7810e1545..7fbca37a1adf 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1828,7 +1828,8 @@ static int virtnet_probe(struct virtio_device *vdev) else vi->hdr_len = sizeof(struct virtio_net_hdr); - if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT) || + virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index da11bb5e9c7f..46f4caddccbe 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -1216,7 +1216,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, static const u32 rxprod_reg[2] = { VMXNET3_REG_RXPROD, VMXNET3_REG_RXPROD2 }; - u32 num_rxd = 0; + u32 num_pkts = 0; bool skip_page_frags = false; struct Vmxnet3_RxCompDesc *rcd; struct vmxnet3_rx_ctx *ctx = &rq->rx_ctx; @@ -1235,13 +1235,12 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, struct Vmxnet3_RxDesc *rxd; u32 idx, ring_idx; struct vmxnet3_cmd_ring *ring = NULL; - if (num_rxd >= quota) { + if (num_pkts >= quota) { /* we may stop even before we see the EOP desc of * the current pkt */ break; } - num_rxd++; BUG_ON(rcd->rqID != rq->qid && rcd->rqID != rq->qid2); idx = rcd->rxdIdx; ring_idx = rcd->rqID < adapter->num_rx_queues ? 0 : 1; @@ -1413,6 +1412,7 @@ not_lro: napi_gro_receive(&rq->napi, skb); ctx->skb = NULL; + num_pkts++; } rcd_done: @@ -1443,7 +1443,7 @@ rcd_done: &rq->comp_ring.base[rq->comp_ring.next2proc].rcd, &rxComp); } - return num_rxd; + return num_pkts; } diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c index feacc3b994b7..2f0bd6955f33 100644 --- a/drivers/net/wan/z85230.c +++ b/drivers/net/wan/z85230.c @@ -1044,7 +1044,7 @@ EXPORT_SYMBOL(z8530_sync_dma_close); * @dev: The network device to attach * @c: The Z8530 channel to configure in sync DMA mode. * - * Set up a Z85x30 device for synchronous DMA tranmission. One + * Set up a Z85x30 device for synchronous DMA transmission. One * ISA DMA channel must be available for this to work. The receive * side is run in PIO mode, but then it has the bigger FIFO. */ diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 5e15e8e10ed3..a31a6804dc34 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -279,6 +279,7 @@ static void ath9k_hw_read_revisions(struct ath_hw *ah) return; case AR9300_DEVID_QCA956X: ah->hw_version.macVersion = AR_SREV_VERSION_9561; + return; } val = REG_READ(ah, AR_SREV) & AR_SREV_ID; diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h index d56064861a9c..d45dc021cda2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fh.h +++ b/drivers/net/wireless/iwlwifi/iwl-fh.h @@ -438,6 +438,12 @@ static inline unsigned int FH_MEM_CBBC_QUEUE(unsigned int chnl) #define RX_QUEUE_MASK 255 #define RX_QUEUE_SIZE_LOG 8 +/* + * RX related structures and functions + */ +#define RX_FREE_BUFFERS 64 +#define RX_LOW_WATERMARK 8 + /** * struct iwl_rb_status - reserve buffer status * host memory mapped FH registers diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c index 80fefe7d7b8c..3b8e85e51002 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c @@ -540,13 +540,11 @@ static void iwl_set_hw_address_family_8000(struct device *dev, hw_addr = (const u8 *)(mac_override + MAC_ADDRESS_OVERRIDE_FAMILY_8000); - /* The byte order is little endian 16 bit, meaning 214365 */ - data->hw_addr[0] = hw_addr[1]; - data->hw_addr[1] = hw_addr[0]; - data->hw_addr[2] = hw_addr[3]; - data->hw_addr[3] = hw_addr[2]; - data->hw_addr[4] = hw_addr[5]; - data->hw_addr[5] = hw_addr[4]; + /* + * Store the MAC address from MAO section. + * No byte swapping is required in MAO section + */ + memcpy(data->hw_addr, hw_addr, ETH_ALEN); /* * Force the use of the OTP MAC address in case of reserved MAC diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h index 5e4cbdb44c60..737774a01c74 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h @@ -660,7 +660,8 @@ struct iwl_scan_config { * iwl_umac_scan_flags *@IWL_UMAC_SCAN_FLAG_PREEMPTIVE: scan process triggered by this scan request * can be preempted by other scan requests with higher priority. - * The low priority scan is aborted. + * The low priority scan will be resumed when the higher proirity scan is + * completed. *@IWL_UMAC_SCAN_FLAG_START_NOTIF: notification will be sent to the driver * when scan starts. */ diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 5de144968723..5000bfcded61 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -1109,6 +1109,9 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, cmd->uid = cpu_to_le32(uid); cmd->general_flags = cpu_to_le32(iwl_mvm_scan_umac_flags(mvm, params)); + if (type == IWL_MVM_SCAN_SCHED) + cmd->flags = cpu_to_le32(IWL_UMAC_SCAN_FLAG_PREEMPTIVE); + if (iwl_mvm_scan_use_ebs(mvm, vif, n_iterations)) cmd->channel_flags = IWL_SCAN_CHANNEL_FLAG_EBS | IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index d68dc697a4a0..26f076e82149 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -1401,6 +1401,7 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE); u8 sta_id; int ret; + static const u8 __maybe_unused zero_addr[ETH_ALEN] = {0}; lockdep_assert_held(&mvm->mutex); @@ -1467,7 +1468,7 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, end: IWL_DEBUG_WEP(mvm, "key: cipher=%x len=%d idx=%d sta=%pM ret=%d\n", keyconf->cipher, keyconf->keylen, keyconf->keyidx, - sta->addr, ret); + sta ? sta->addr : zero_addr, ret); return ret; } diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c index d24b6a83e68c..e472729e5f14 100644 --- a/drivers/net/wireless/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c @@ -86,7 +86,7 @@ void iwl_mvm_te_clear_data(struct iwl_mvm *mvm, { lockdep_assert_held(&mvm->time_event_lock); - if (te_data->id == TE_MAX) + if (!te_data->vif) return; list_del(&te_data->list); diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 7ba7a118ff5c..89116864d2a0 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -252,7 +252,7 @@ void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, if (info->band == IEEE80211_BAND_2GHZ && !iwl_mvm_bt_coex_is_shared_ant_avail(mvm)) - rate_flags = BIT(mvm->cfg->non_shared_ant) << RATE_MCS_ANT_POS; + rate_flags = mvm->cfg->non_shared_ant << RATE_MCS_ANT_POS; else rate_flags = BIT(mvm->mgmt_last_antenna_idx) << RATE_MCS_ANT_POS; diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 2ed1e4d2774d..9f65c1cff1b1 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -368,12 +368,14 @@ static const struct pci_device_id iwl_hw_card_ids[] = { /* 3165 Series */ {IWL_PCI_DEVICE(0x3165, 0x4010, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x4012, iwl3165_2ac_cfg)}, + {IWL_PCI_DEVICE(0x3166, 0x4212, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x4410, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x4510, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x4110, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3166, 0x4310, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3166, 0x4210, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x8010, iwl3165_2ac_cfg)}, + {IWL_PCI_DEVICE(0x3165, 0x8110, iwl3165_2ac_cfg)}, /* 7265 Series */ {IWL_PCI_DEVICE(0x095A, 0x5010, iwl7265_2ac_cfg)}, @@ -426,9 +428,8 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x24F4, 0x1130, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F4, 0x1030, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xC010, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0xC110, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xD010, iwl8260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x24F4, 0xC030, iwl8260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x24F4, 0xD030, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xC050, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xD050, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x8010, iwl8260_2ac_cfg)}, diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h index 31f72a61cc3f..376b84e54ad7 100644 --- a/drivers/net/wireless/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/iwlwifi/pcie/internal.h @@ -44,15 +44,6 @@ #include "iwl-io.h" #include "iwl-op-mode.h" -/* - * RX related structures and functions - */ -#define RX_NUM_QUEUES 1 -#define RX_POST_REQ_ALLOC 2 -#define RX_CLAIM_REQ_ALLOC 8 -#define RX_POOL_SIZE ((RX_CLAIM_REQ_ALLOC - RX_POST_REQ_ALLOC) * RX_NUM_QUEUES) -#define RX_LOW_WATERMARK 8 - struct iwl_host_cmd; /*This file includes the declaration that are internal to the @@ -86,29 +77,29 @@ struct isr_statistics { * struct iwl_rxq - Rx queue * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) + * @pool: + * @queue: * @read: Shared index to newest available Rx buffer * @write: Shared index to oldest written Rx packet * @free_count: Number of pre-allocated buffers in rx_free - * @used_count: Number of RBDs handled to allocator to use for allocation * @write_actual: - * @rx_free: list of RBDs with allocated RB ready for use - * @rx_used: list of RBDs with no RB attached + * @rx_free: list of free SKBs for use + * @rx_used: List of Rx buffers with no SKB * @need_update: flag to indicate we need to update read/write index * @rb_stts: driver's pointer to receive buffer status * @rb_stts_dma: bus address of receive buffer status * @lock: - * @pool: initial pool of iwl_rx_mem_buffer for the queue - * @queue: actual rx queue * * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers */ struct iwl_rxq { __le32 *bd; dma_addr_t bd_dma; + struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; + struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; u32 read; u32 write; u32 free_count; - u32 used_count; u32 write_actual; struct list_head rx_free; struct list_head rx_used; @@ -116,32 +107,6 @@ struct iwl_rxq { struct iwl_rb_status *rb_stts; dma_addr_t rb_stts_dma; spinlock_t lock; - struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE]; - struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; -}; - -/** - * struct iwl_rb_allocator - Rx allocator - * @pool: initial pool of allocator - * @req_pending: number of requests the allcator had not processed yet - * @req_ready: number of requests honored and ready for claiming - * @rbd_allocated: RBDs with pages allocated and ready to be handled to - * the queue. This is a list of &struct iwl_rx_mem_buffer - * @rbd_empty: RBDs with no page attached for allocator use. This is a list - * of &struct iwl_rx_mem_buffer - * @lock: protects the rbd_allocated and rbd_empty lists - * @alloc_wq: work queue for background calls - * @rx_alloc: work struct for background calls - */ -struct iwl_rb_allocator { - struct iwl_rx_mem_buffer pool[RX_POOL_SIZE]; - atomic_t req_pending; - atomic_t req_ready; - struct list_head rbd_allocated; - struct list_head rbd_empty; - spinlock_t lock; - struct workqueue_struct *alloc_wq; - struct work_struct rx_alloc; }; struct iwl_dma_ptr { @@ -285,7 +250,7 @@ iwl_pcie_get_scratchbuf_dma(struct iwl_txq *txq, int idx) /** * struct iwl_trans_pcie - PCIe transport specific data * @rxq: all the RX queue data - * @rba: allocator for RX replenishing + * @rx_replenish: work that will be called when buffers need to be allocated * @drv - pointer to iwl_drv * @trans: pointer to the generic transport area * @scd_base_addr: scheduler sram base address in SRAM @@ -308,7 +273,7 @@ iwl_pcie_get_scratchbuf_dma(struct iwl_txq *txq, int idx) */ struct iwl_trans_pcie { struct iwl_rxq rxq; - struct iwl_rb_allocator rba; + struct work_struct rx_replenish; struct iwl_trans *trans; struct iwl_drv *drv; diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index a3fbaa0ef5e0..adad8d0fae7f 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -1,7 +1,7 @@ /****************************************************************************** * * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -74,29 +74,16 @@ * resets the Rx queue buffers with new memory. * * The management in the driver is as follows: - * + A list of pre-allocated RBDs is stored in iwl->rxq->rx_free. - * When the interrupt handler is called, the request is processed. - * The page is either stolen - transferred to the upper layer - * or reused - added immediately to the iwl->rxq->rx_free list. - * + When the page is stolen - the driver updates the matching queue's used - * count, detaches the RBD and transfers it to the queue used list. - * When there are two used RBDs - they are transferred to the allocator empty - * list. Work is then scheduled for the allocator to start allocating - * eight buffers. - * When there are another 6 used RBDs - they are transferred to the allocator - * empty list and the driver tries to claim the pre-allocated buffers and - * add them to iwl->rxq->rx_free. If it fails - it continues to claim them - * until ready. - * When there are 8+ buffers in the free list - either from allocation or from - * 8 reused unstolen pages - restock is called to update the FW and indexes. - * + In order to make sure the allocator always has RBDs to use for allocation - * the allocator has initial pool in the size of num_queues*(8-2) - the - * maximum missing RBDs per allocation request (request posted with 2 - * empty RBDs, there is no guarantee when the other 6 RBDs are supplied). - * The queues supplies the recycle of the rest of the RBDs. + * + A list of pre-allocated SKBs is stored in iwl->rxq->rx_free. When + * iwl->rxq->free_count drops to or below RX_LOW_WATERMARK, work is scheduled + * to replenish the iwl->rxq->rx_free. + * + In iwl_pcie_rx_replenish (scheduled) if 'processed' != 'read' then the + * iwl->rxq is replenished and the READ INDEX is updated (updating the + * 'processed' and 'read' driver indexes as well) * + A received packet is processed and handed to the kernel network stack, * detached from the iwl->rxq. The driver 'processed' index is updated. - * + If there are no allocated buffers in iwl->rxq->rx_free, + * + The Host/Firmware iwl->rxq is replenished at irq thread time from the + * rx_free list. If there are no allocated buffers in iwl->rxq->rx_free, * the READ INDEX is not incremented and iwl->status(RX_STALLED) is set. * If there were enough free buffers and RX_STALLED is set it is cleared. * @@ -105,32 +92,18 @@ * * iwl_rxq_alloc() Allocates rx_free * iwl_pcie_rx_replenish() Replenishes rx_free list from rx_used, and calls - * iwl_pcie_rxq_restock. - * Used only during initialization. + * iwl_pcie_rxq_restock * iwl_pcie_rxq_restock() Moves available buffers from rx_free into Rx * queue, updates firmware pointers, and updates - * the WRITE index. - * iwl_pcie_rx_allocator() Background work for allocating pages. + * the WRITE index. If insufficient rx_free buffers + * are available, schedules iwl_pcie_rx_replenish * * -- enable interrupts -- * ISR - iwl_rx() Detach iwl_rx_mem_buffers from pool up to the * READ INDEX, detaching the SKB from the pool. * Moves the packet buffer from queue to rx_used. - * Posts and claims requests to the allocator. * Calls iwl_pcie_rxq_restock to refill any empty * slots. - * - * RBD life-cycle: - * - * Init: - * rxq.pool -> rxq.rx_used -> rxq.rx_free -> rxq.queue - * - * Regular Receive interrupt: - * Page Stolen: - * rxq.queue -> rxq.rx_used -> allocator.rbd_empty -> - * allocator.rbd_allocated -> rxq.rx_free -> rxq.queue - * Page not Stolen: - * rxq.queue -> rxq.rx_free -> rxq.queue * ... * */ @@ -267,6 +240,10 @@ static void iwl_pcie_rxq_restock(struct iwl_trans *trans) rxq->free_count--; } spin_unlock(&rxq->lock); + /* If the pre-allocated buffer pool is dropping low, schedule to + * refill it */ + if (rxq->free_count <= RX_LOW_WATERMARK) + schedule_work(&trans_pcie->rx_replenish); /* If we've added more space for the firmware to place data, tell it. * Increment device's write pointer in multiples of 8. */ @@ -278,44 +255,6 @@ static void iwl_pcie_rxq_restock(struct iwl_trans *trans) } /* - * iwl_pcie_rx_alloc_page - allocates and returns a page. - * - */ -static struct page *iwl_pcie_rx_alloc_page(struct iwl_trans *trans) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rxq *rxq = &trans_pcie->rxq; - struct page *page; - gfp_t gfp_mask = GFP_KERNEL; - - if (rxq->free_count > RX_LOW_WATERMARK) - gfp_mask |= __GFP_NOWARN; - - if (trans_pcie->rx_page_order > 0) - gfp_mask |= __GFP_COMP; - - /* Alloc a new receive buffer */ - page = alloc_pages(gfp_mask, trans_pcie->rx_page_order); - if (!page) { - if (net_ratelimit()) - IWL_DEBUG_INFO(trans, "alloc_pages failed, order: %d\n", - trans_pcie->rx_page_order); - /* Issue an error if the hardware has consumed more than half - * of its free buffer list and we don't have enough - * pre-allocated buffers. -` */ - if (rxq->free_count <= RX_LOW_WATERMARK && - iwl_rxq_space(rxq) > (RX_QUEUE_SIZE / 2) && - net_ratelimit()) - IWL_CRIT(trans, - "Failed to alloc_pages with GFP_KERNEL. Only %u free buffers remaining.\n", - rxq->free_count); - return NULL; - } - return page; -} - -/* * iwl_pcie_rxq_alloc_rbs - allocate a page for each used RBD * * A used RBD is an Rx buffer that has been given to the stack. To use it again @@ -324,12 +263,13 @@ static struct page *iwl_pcie_rx_alloc_page(struct iwl_trans *trans) * iwl_pcie_rxq_restock. The latter function will update the HW to use the newly * allocated buffers. */ -static void iwl_pcie_rxq_alloc_rbs(struct iwl_trans *trans) +static void iwl_pcie_rxq_alloc_rbs(struct iwl_trans *trans, gfp_t priority) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; struct iwl_rx_mem_buffer *rxb; struct page *page; + gfp_t gfp_mask = priority; while (1) { spin_lock(&rxq->lock); @@ -339,10 +279,32 @@ static void iwl_pcie_rxq_alloc_rbs(struct iwl_trans *trans) } spin_unlock(&rxq->lock); + if (rxq->free_count > RX_LOW_WATERMARK) + gfp_mask |= __GFP_NOWARN; + + if (trans_pcie->rx_page_order > 0) + gfp_mask |= __GFP_COMP; + /* Alloc a new receive buffer */ - page = iwl_pcie_rx_alloc_page(trans); - if (!page) + page = alloc_pages(gfp_mask, trans_pcie->rx_page_order); + if (!page) { + if (net_ratelimit()) + IWL_DEBUG_INFO(trans, "alloc_pages failed, " + "order: %d\n", + trans_pcie->rx_page_order); + + if ((rxq->free_count <= RX_LOW_WATERMARK) && + net_ratelimit()) + IWL_CRIT(trans, "Failed to alloc_pages with %s." + "Only %u free buffers remaining.\n", + priority == GFP_ATOMIC ? + "GFP_ATOMIC" : "GFP_KERNEL", + rxq->free_count); + /* We don't reschedule replenish work here -- we will + * call the restock method and if it still needs + * more buffers it will schedule replenish */ return; + } spin_lock(&rxq->lock); @@ -393,7 +355,7 @@ static void iwl_pcie_rxq_free_rbs(struct iwl_trans *trans) lockdep_assert_held(&rxq->lock); - for (i = 0; i < RX_QUEUE_SIZE; i++) { + for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) { if (!rxq->pool[i].page) continue; dma_unmap_page(trans->dev, rxq->pool[i].page_dma, @@ -410,144 +372,32 @@ static void iwl_pcie_rxq_free_rbs(struct iwl_trans *trans) * When moving to rx_free an page is allocated for the slot. * * Also restock the Rx queue via iwl_pcie_rxq_restock. - * This is called only during initialization + * This is called as a scheduled work item (except for during initialization) */ -static void iwl_pcie_rx_replenish(struct iwl_trans *trans) +static void iwl_pcie_rx_replenish(struct iwl_trans *trans, gfp_t gfp) { - iwl_pcie_rxq_alloc_rbs(trans); + iwl_pcie_rxq_alloc_rbs(trans, gfp); iwl_pcie_rxq_restock(trans); } -/* - * iwl_pcie_rx_allocator - Allocates pages in the background for RX queues - * - * Allocates for each received request 8 pages - * Called as a scheduled work item. - */ -static void iwl_pcie_rx_allocator(struct iwl_trans *trans) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rb_allocator *rba = &trans_pcie->rba; - - while (atomic_read(&rba->req_pending)) { - int i; - struct list_head local_empty; - struct list_head local_allocated; - - INIT_LIST_HEAD(&local_allocated); - spin_lock(&rba->lock); - /* swap out the entire rba->rbd_empty to a local list */ - list_replace_init(&rba->rbd_empty, &local_empty); - spin_unlock(&rba->lock); - - for (i = 0; i < RX_CLAIM_REQ_ALLOC;) { - struct iwl_rx_mem_buffer *rxb; - struct page *page; - - /* List should never be empty - each reused RBD is - * returned to the list, and initial pool covers any - * possible gap between the time the page is allocated - * to the time the RBD is added. - */ - BUG_ON(list_empty(&local_empty)); - /* Get the first rxb from the rbd list */ - rxb = list_first_entry(&local_empty, - struct iwl_rx_mem_buffer, list); - BUG_ON(rxb->page); - - /* Alloc a new receive buffer */ - page = iwl_pcie_rx_alloc_page(trans); - if (!page) - continue; - rxb->page = page; - - /* Get physical address of the RB */ - rxb->page_dma = dma_map_page(trans->dev, page, 0, - PAGE_SIZE << trans_pcie->rx_page_order, - DMA_FROM_DEVICE); - if (dma_mapping_error(trans->dev, rxb->page_dma)) { - rxb->page = NULL; - __free_pages(page, trans_pcie->rx_page_order); - continue; - } - /* dma address must be no more than 36 bits */ - BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36)); - /* and also 256 byte aligned! */ - BUG_ON(rxb->page_dma & DMA_BIT_MASK(8)); - - /* move the allocated entry to the out list */ - list_move(&rxb->list, &local_allocated); - i++; - } - - spin_lock(&rba->lock); - /* add the allocated rbds to the allocator allocated list */ - list_splice_tail(&local_allocated, &rba->rbd_allocated); - /* add the unused rbds back to the allocator empty list */ - list_splice_tail(&local_empty, &rba->rbd_empty); - spin_unlock(&rba->lock); - - atomic_dec(&rba->req_pending); - atomic_inc(&rba->req_ready); - } -} - -/* - * iwl_pcie_rx_allocator_get - Returns the pre-allocated pages -.* -.* Called by queue when the queue posted allocation request and - * has freed 8 RBDs in order to restock itself. - */ -static int iwl_pcie_rx_allocator_get(struct iwl_trans *trans, - struct iwl_rx_mem_buffer - *out[RX_CLAIM_REQ_ALLOC]) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rb_allocator *rba = &trans_pcie->rba; - int i; - - if (atomic_dec_return(&rba->req_ready) < 0) { - atomic_inc(&rba->req_ready); - IWL_DEBUG_RX(trans, - "Allocation request not ready, pending requests = %d\n", - atomic_read(&rba->req_pending)); - return -ENOMEM; - } - - spin_lock(&rba->lock); - for (i = 0; i < RX_CLAIM_REQ_ALLOC; i++) { - /* Get next free Rx buffer, remove it from free list */ - out[i] = list_first_entry(&rba->rbd_allocated, - struct iwl_rx_mem_buffer, list); - list_del(&out[i]->list); - } - spin_unlock(&rba->lock); - - return 0; -} - -static void iwl_pcie_rx_allocator_work(struct work_struct *data) +static void iwl_pcie_rx_replenish_work(struct work_struct *data) { - struct iwl_rb_allocator *rba_p = - container_of(data, struct iwl_rb_allocator, rx_alloc); struct iwl_trans_pcie *trans_pcie = - container_of(rba_p, struct iwl_trans_pcie, rba); + container_of(data, struct iwl_trans_pcie, rx_replenish); - iwl_pcie_rx_allocator(trans_pcie->trans); + iwl_pcie_rx_replenish(trans_pcie->trans, GFP_KERNEL); } static int iwl_pcie_rx_alloc(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; - struct iwl_rb_allocator *rba = &trans_pcie->rba; struct device *dev = trans->dev; memset(&trans_pcie->rxq, 0, sizeof(trans_pcie->rxq)); spin_lock_init(&rxq->lock); - spin_lock_init(&rba->lock); if (WARN_ON(rxq->bd || rxq->rb_stts)) return -EINVAL; @@ -637,49 +487,15 @@ static void iwl_pcie_rx_init_rxb_lists(struct iwl_rxq *rxq) INIT_LIST_HEAD(&rxq->rx_free); INIT_LIST_HEAD(&rxq->rx_used); rxq->free_count = 0; - rxq->used_count = 0; - for (i = 0; i < RX_QUEUE_SIZE; i++) + for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) list_add(&rxq->pool[i].list, &rxq->rx_used); } -static void iwl_pcie_rx_init_rba(struct iwl_rb_allocator *rba) -{ - int i; - - lockdep_assert_held(&rba->lock); - - INIT_LIST_HEAD(&rba->rbd_allocated); - INIT_LIST_HEAD(&rba->rbd_empty); - - for (i = 0; i < RX_POOL_SIZE; i++) - list_add(&rba->pool[i].list, &rba->rbd_empty); -} - -static void iwl_pcie_rx_free_rba(struct iwl_trans *trans) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rb_allocator *rba = &trans_pcie->rba; - int i; - - lockdep_assert_held(&rba->lock); - - for (i = 0; i < RX_POOL_SIZE; i++) { - if (!rba->pool[i].page) - continue; - dma_unmap_page(trans->dev, rba->pool[i].page_dma, - PAGE_SIZE << trans_pcie->rx_page_order, - DMA_FROM_DEVICE); - __free_pages(rba->pool[i].page, trans_pcie->rx_page_order); - rba->pool[i].page = NULL; - } -} - int iwl_pcie_rx_init(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; - struct iwl_rb_allocator *rba = &trans_pcie->rba; int i, err; if (!rxq->bd) { @@ -687,21 +503,11 @@ int iwl_pcie_rx_init(struct iwl_trans *trans) if (err) return err; } - if (!rba->alloc_wq) - rba->alloc_wq = alloc_workqueue("rb_allocator", - WQ_HIGHPRI | WQ_UNBOUND, 1); - INIT_WORK(&rba->rx_alloc, iwl_pcie_rx_allocator_work); - - spin_lock(&rba->lock); - atomic_set(&rba->req_pending, 0); - atomic_set(&rba->req_ready, 0); - /* free all first - we might be reconfigured for a different size */ - iwl_pcie_rx_free_rba(trans); - iwl_pcie_rx_init_rba(rba); - spin_unlock(&rba->lock); spin_lock(&rxq->lock); + INIT_WORK(&trans_pcie->rx_replenish, iwl_pcie_rx_replenish_work); + /* free all first - we might be reconfigured for a different size */ iwl_pcie_rxq_free_rbs(trans); iwl_pcie_rx_init_rxb_lists(rxq); @@ -716,7 +522,7 @@ int iwl_pcie_rx_init(struct iwl_trans *trans) memset(rxq->rb_stts, 0, sizeof(*rxq->rb_stts)); spin_unlock(&rxq->lock); - iwl_pcie_rx_replenish(trans); + iwl_pcie_rx_replenish(trans, GFP_KERNEL); iwl_pcie_rx_hw_init(trans, rxq); @@ -731,7 +537,6 @@ void iwl_pcie_rx_free(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; - struct iwl_rb_allocator *rba = &trans_pcie->rba; /*if rxq->bd is NULL, it means that nothing has been allocated, * exit now */ @@ -740,15 +545,7 @@ void iwl_pcie_rx_free(struct iwl_trans *trans) return; } - cancel_work_sync(&rba->rx_alloc); - if (rba->alloc_wq) { - destroy_workqueue(rba->alloc_wq); - rba->alloc_wq = NULL; - } - - spin_lock(&rba->lock); - iwl_pcie_rx_free_rba(trans); - spin_unlock(&rba->lock); + cancel_work_sync(&trans_pcie->rx_replenish); spin_lock(&rxq->lock); iwl_pcie_rxq_free_rbs(trans); @@ -769,43 +566,6 @@ void iwl_pcie_rx_free(struct iwl_trans *trans) rxq->rb_stts = NULL; } -/* - * iwl_pcie_rx_reuse_rbd - Recycle used RBDs - * - * Called when a RBD can be reused. The RBD is transferred to the allocator. - * When there are 2 empty RBDs - a request for allocation is posted - */ -static void iwl_pcie_rx_reuse_rbd(struct iwl_trans *trans, - struct iwl_rx_mem_buffer *rxb, - struct iwl_rxq *rxq) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rb_allocator *rba = &trans_pcie->rba; - - /* Count the used RBDs */ - rxq->used_count++; - - /* Move the RBD to the used list, will be moved to allocator in batches - * before claiming or posting a request*/ - list_add_tail(&rxb->list, &rxq->rx_used); - - /* If we have RX_POST_REQ_ALLOC new released rx buffers - - * issue a request for allocator. Modulo RX_CLAIM_REQ_ALLOC is - * used for the case we failed to claim RX_CLAIM_REQ_ALLOC, - * after but we still need to post another request. - */ - if ((rxq->used_count % RX_CLAIM_REQ_ALLOC) == RX_POST_REQ_ALLOC) { - /* Move the 2 RBDs to the allocator ownership. - Allocator has another 6 from pool for the request completion*/ - spin_lock(&rba->lock); - list_splice_tail_init(&rxq->rx_used, &rba->rbd_empty); - spin_unlock(&rba->lock); - - atomic_inc(&rba->req_pending); - queue_work(rba->alloc_wq, &rba->rx_alloc); - } -} - static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb) { @@ -928,13 +688,13 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, */ __free_pages(rxb->page, trans_pcie->rx_page_order); rxb->page = NULL; - iwl_pcie_rx_reuse_rbd(trans, rxb, rxq); + list_add_tail(&rxb->list, &rxq->rx_used); } else { list_add_tail(&rxb->list, &rxq->rx_free); rxq->free_count++; } } else - iwl_pcie_rx_reuse_rbd(trans, rxb, rxq); + list_add_tail(&rxb->list, &rxq->rx_used); } /* @@ -944,7 +704,10 @@ static void iwl_pcie_rx_handle(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; - u32 r, i, j; + u32 r, i; + u8 fill_rx = 0; + u32 count = 8; + int total_empty; restart: spin_lock(&rxq->lock); @@ -957,6 +720,14 @@ restart: if (i == r) IWL_DEBUG_RX(trans, "HW = SW = %d\n", r); + /* calculate total frames need to be restock after handling RX */ + total_empty = r - rxq->write_actual; + if (total_empty < 0) + total_empty += RX_QUEUE_SIZE; + + if (total_empty > (RX_QUEUE_SIZE / 2)) + fill_rx = 1; + while (i != r) { struct iwl_rx_mem_buffer *rxb; @@ -968,48 +739,29 @@ restart: iwl_pcie_rx_handle_rb(trans, rxb); i = (i + 1) & RX_QUEUE_MASK; - - /* If we have RX_CLAIM_REQ_ALLOC released rx buffers - - * try to claim the pre-allocated buffers from the allocator */ - if (rxq->used_count >= RX_CLAIM_REQ_ALLOC) { - struct iwl_rb_allocator *rba = &trans_pcie->rba; - struct iwl_rx_mem_buffer *out[RX_CLAIM_REQ_ALLOC]; - - /* Add the remaining 6 empty RBDs for allocator use */ - spin_lock(&rba->lock); - list_splice_tail_init(&rxq->rx_used, &rba->rbd_empty); - spin_unlock(&rba->lock); - - /* If not ready - continue, will try to reclaim later. - * No need to reschedule work - allocator exits only on - * success */ - if (!iwl_pcie_rx_allocator_get(trans, out)) { - /* If success - then RX_CLAIM_REQ_ALLOC - * buffers were retrieved and should be added - * to free list */ - rxq->used_count -= RX_CLAIM_REQ_ALLOC; - for (j = 0; j < RX_CLAIM_REQ_ALLOC; j++) { - list_add_tail(&out[j]->list, - &rxq->rx_free); - rxq->free_count++; - } + /* If there are a lot of unused frames, + * restock the Rx queue so ucode wont assert. */ + if (fill_rx) { + count++; + if (count >= 8) { + rxq->read = i; + spin_unlock(&rxq->lock); + iwl_pcie_rx_replenish(trans, GFP_ATOMIC); + count = 0; + goto restart; } } - /* handle restock for two cases: - * - we just pulled buffers from the allocator - * - we have 8+ unstolen pages accumulated */ - if (rxq->free_count >= RX_CLAIM_REQ_ALLOC) { - rxq->read = i; - spin_unlock(&rxq->lock); - iwl_pcie_rxq_restock(trans); - goto restart; - } } /* Backtrack one entry */ rxq->read = i; spin_unlock(&rxq->lock); + if (fill_rx) + iwl_pcie_rx_replenish(trans, GFP_ATOMIC); + else + iwl_pcie_rxq_restock(trans); + if (trans_pcie->napi.poll) napi_gro_flush(&trans_pcie->napi, false); } diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 43ae658af6ec..6203c4ad9bba 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -182,7 +182,7 @@ static void iwl_trans_pcie_write_shr(struct iwl_trans *trans, u32 reg, u32 val) static void iwl_pcie_set_pwr(struct iwl_trans *trans, bool vaux) { - if (!trans->cfg->apmg_not_supported) + if (trans->cfg->apmg_not_supported) return; if (vaux && pci_pme_capable(to_pci_dev(trans->dev), PCI_D3cold)) @@ -2459,7 +2459,7 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, struct iwl_trans_pcie *trans_pcie; struct iwl_trans *trans; u16 pci_cmd; - int err; + int ret; trans = iwl_trans_alloc(sizeof(struct iwl_trans_pcie), &pdev->dev, cfg, &trans_ops_pcie, 0); @@ -2474,8 +2474,8 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, spin_lock_init(&trans_pcie->ref_lock); init_waitqueue_head(&trans_pcie->ucode_write_waitq); - err = pci_enable_device(pdev); - if (err) + ret = pci_enable_device(pdev); + if (ret) goto out_no_pci; if (!cfg->base_params->pcie_l1_allowed) { @@ -2491,23 +2491,23 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, pci_set_master(pdev); - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(36)); - if (!err) - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(36)); - if (err) { - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (!err) - err = pci_set_consistent_dma_mask(pdev, + ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(36)); + if (!ret) + ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(36)); + if (ret) { + ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (!ret) + ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); /* both attempts failed: */ - if (err) { + if (ret) { dev_err(&pdev->dev, "No suitable DMA available\n"); goto out_pci_disable_device; } } - err = pci_request_regions(pdev, DRV_NAME); - if (err) { + ret = pci_request_regions(pdev, DRV_NAME); + if (ret) { dev_err(&pdev->dev, "pci_request_regions failed\n"); goto out_pci_disable_device; } @@ -2515,7 +2515,7 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, trans_pcie->hw_base = pci_ioremap_bar(pdev, 0); if (!trans_pcie->hw_base) { dev_err(&pdev->dev, "pci_ioremap_bar failed\n"); - err = -ENODEV; + ret = -ENODEV; goto out_pci_release_regions; } @@ -2527,9 +2527,9 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, trans_pcie->pci_dev = pdev; iwl_disable_interrupts(trans); - err = pci_enable_msi(pdev); - if (err) { - dev_err(&pdev->dev, "pci_enable_msi failed(0X%x)\n", err); + ret = pci_enable_msi(pdev); + if (ret) { + dev_err(&pdev->dev, "pci_enable_msi failed(0X%x)\n", ret); /* enable rfkill interrupt: hw bug w/a */ pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); if (pci_cmd & PCI_COMMAND_INTX_DISABLE) { @@ -2547,11 +2547,16 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, */ if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { unsigned long flags; - int ret; trans->hw_rev = (trans->hw_rev & 0xfff0) | (CSR_HW_REV_STEP(trans->hw_rev << 2) << 2); + ret = iwl_pcie_prepare_card_hw(trans); + if (ret) { + IWL_WARN(trans, "Exit HW not ready\n"); + goto out_pci_disable_msi; + } + /* * in-order to recognize C step driver should read chip version * id located at the AUX bus MISC address space. @@ -2591,13 +2596,14 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, /* Initialize the wait queue for commands */ init_waitqueue_head(&trans_pcie->wait_command_queue); - if (iwl_pcie_alloc_ict(trans)) + ret = iwl_pcie_alloc_ict(trans); + if (ret) goto out_pci_disable_msi; - err = request_threaded_irq(pdev->irq, iwl_pcie_isr, + ret = request_threaded_irq(pdev->irq, iwl_pcie_isr, iwl_pcie_irq_handler, IRQF_SHARED, DRV_NAME, trans); - if (err) { + if (ret) { IWL_ERR(trans, "Error allocating IRQ %d\n", pdev->irq); goto out_free_ict; } @@ -2617,5 +2623,5 @@ out_pci_disable_device: pci_disable_device(pdev); out_no_pci: iwl_trans_free(trans); - return ERR_PTR(err); + return ERR_PTR(ret); } diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 880d0d63e872..7d50711476fe 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -1566,13 +1566,13 @@ static inline void xenvif_tx_dealloc_action(struct xenvif_queue *queue) smp_rmb(); while (dc != dp) { - BUG_ON(gop - queue->tx_unmap_ops > MAX_PENDING_REQS); + BUG_ON(gop - queue->tx_unmap_ops >= MAX_PENDING_REQS); pending_idx = queue->dealloc_ring[pending_index(dc++)]; - pending_idx_release[gop-queue->tx_unmap_ops] = + pending_idx_release[gop - queue->tx_unmap_ops] = pending_idx; - queue->pages_to_unmap[gop-queue->tx_unmap_ops] = + queue->pages_to_unmap[gop - queue->tx_unmap_ops] = queue->mmap_pages[pending_idx]; gnttab_set_unmap_op(gop, idx_to_kaddr(queue, pending_idx), diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index 8eb22c0ca7ce..7e2c43f701bc 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -535,8 +535,6 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm, __func__, dimm_name, cmd_name, i); return -ENXIO; } - if (!access_ok(VERIFY_READ, p + in_len, in_size)) - return -EFAULT; if (in_len < sizeof(in_env)) copy = min_t(u32, sizeof(in_env) - in_len, in_size); else @@ -557,8 +555,6 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm, __func__, dimm_name, cmd_name, i); return -EFAULT; } - if (!access_ok(VERIFY_WRITE, p + in_len + out_len, out_size)) - return -EFAULT; if (out_len < sizeof(out_env)) copy = min_t(u32, sizeof(out_env) - out_len, out_size); else @@ -570,9 +566,6 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm, } buf_len = out_len + in_len; - if (!access_ok(VERIFY_WRITE, p, sizeof(buf_len))) - return -EFAULT; - if (buf_len > ND_IOCTL_MAX_BUFLEN) { dev_dbg(dev, "%s:%s cmd: %s buf_len: %zu > %d\n", __func__, dimm_name, cmd_name, buf_len, @@ -706,8 +699,10 @@ int __init nvdimm_bus_init(void) nvdimm_major = rc; nd_class = class_create(THIS_MODULE, "nd"); - if (IS_ERR(nd_class)) + if (IS_ERR(nd_class)) { + rc = PTR_ERR(nd_class); goto err_class; + } return 0; diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c index a5233422f9dc..7384455792bf 100644 --- a/drivers/nvdimm/region_devs.c +++ b/drivers/nvdimm/region_devs.c @@ -458,10 +458,15 @@ static void nd_region_notify_driver_action(struct nvdimm_bus *nvdimm_bus, nvdimm_bus_unlock(dev); } if (is_nd_btt(dev) && probe) { + struct nd_btt *nd_btt = to_nd_btt(dev); + nd_region = to_nd_region(dev->parent); nvdimm_bus_lock(dev); if (nd_region->btt_seed == dev) nd_region_create_btt_seed(nd_region); + if (nd_region->ns_seed == &nd_btt->ndns->dev && + is_nd_blk(dev->parent)) + nd_region_create_blk_seed(nd_region); nvdimm_bus_unlock(dev); } } diff --git a/drivers/parport/share.c b/drivers/parport/share.c index 8067f54ce050..5ce5ef211bdb 100644 --- a/drivers/parport/share.c +++ b/drivers/parport/share.c @@ -891,8 +891,10 @@ parport_register_dev_model(struct parport *port, const char *name, par_dev->dev.release = free_pardevice; par_dev->devmodel = true; ret = device_register(&par_dev->dev); - if (ret) - goto err_put_dev; + if (ret) { + put_device(&par_dev->dev); + goto err_put_port; + } /* Chain this onto the list */ par_dev->prev = NULL; @@ -907,7 +909,8 @@ parport_register_dev_model(struct parport *port, const char *name, spin_unlock(&port->physport->pardevice_lock); pr_debug("%s: cannot grant exclusive access for device %s\n", port->name, name); - goto err_put_dev; + device_unregister(&par_dev->dev); + goto err_put_port; } port->flags |= PARPORT_FLAG_EXCL; } @@ -938,8 +941,6 @@ parport_register_dev_model(struct parport *port, const char *name, return par_dev; -err_put_dev: - put_device(&par_dev->dev); err_free_devname: kfree(devname); err_free_par_dev: diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index c0e6ede3e27d..6b8dd162f644 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -56,6 +56,7 @@ config PHY_EXYNOS_MIPI_VIDEO config PHY_PXA_28NM_HSIC tristate "Marvell USB HSIC 28nm PHY Driver" + depends on HAS_IOMEM select GENERIC_PHY help Enable this to support Marvell USB HSIC PHY driver for Marvell @@ -66,6 +67,7 @@ config PHY_PXA_28NM_HSIC config PHY_PXA_28NM_USB2 tristate "Marvell USB 2.0 28nm PHY Driver" + depends on HAS_IOMEM select GENERIC_PHY help Enable this to support Marvell USB 2.0 PHY driver for Marvell diff --git a/drivers/phy/phy-berlin-usb.c b/drivers/phy/phy-berlin-usb.c index c6fc95b53083..335e06d66ed9 100644 --- a/drivers/phy/phy-berlin-usb.c +++ b/drivers/phy/phy-berlin-usb.c @@ -105,9 +105,9 @@ static const u32 phy_berlin_pll_dividers[] = { /* Berlin 2 */ - CLK_REF_DIV(0xc) | FEEDBACK_CLK_DIV(0x54), - /* Berlin 2CD */ CLK_REF_DIV(0x6) | FEEDBACK_CLK_DIV(0x55), + /* Berlin 2CD/Q */ + CLK_REF_DIV(0xc) | FEEDBACK_CLK_DIV(0x54), }; struct phy_berlin_usb_priv { diff --git a/drivers/phy/phy-ti-pipe3.c b/drivers/phy/phy-ti-pipe3.c index 53f295c1bab1..3510b81db3fa 100644 --- a/drivers/phy/phy-ti-pipe3.c +++ b/drivers/phy/phy-ti-pipe3.c @@ -28,7 +28,6 @@ #include <linux/delay.h> #include <linux/phy/omap_control_phy.h> #include <linux/of_platform.h> -#include <linux/spinlock.h> #define PLL_STATUS 0x00000004 #define PLL_GO 0x00000008 @@ -83,10 +82,6 @@ struct ti_pipe3 { struct clk *refclk; struct clk *div_clk; struct pipe3_dpll_map *dpll_map; - bool enabled; - spinlock_t lock; /* serialize clock enable/disable */ - /* the below flag is needed specifically for SATA */ - bool refclk_enabled; }; static struct pipe3_dpll_map dpll_map_usb[] = { @@ -137,6 +132,9 @@ static struct pipe3_dpll_params *ti_pipe3_get_dpll_params(struct ti_pipe3 *phy) return NULL; } +static int ti_pipe3_enable_clocks(struct ti_pipe3 *phy); +static void ti_pipe3_disable_clocks(struct ti_pipe3 *phy); + static int ti_pipe3_power_off(struct phy *x) { struct ti_pipe3 *phy = phy_get_drvdata(x); @@ -217,6 +215,7 @@ static int ti_pipe3_init(struct phy *x) u32 val; int ret = 0; + ti_pipe3_enable_clocks(phy); /* * Set pcie_pcs register to 0x96 for proper functioning of phy * as recommended in AM572x TRM SPRUHZ6, section 18.5.2.2, table @@ -250,33 +249,35 @@ static int ti_pipe3_exit(struct phy *x) u32 val; unsigned long timeout; - /* SATA DPLL can't be powered down due to Errata i783 and PCIe - * does not have internal DPLL - */ - if (of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-sata") || - of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-pcie")) + /* SATA DPLL can't be powered down due to Errata i783 */ + if (of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-sata")) return 0; - /* Put DPLL in IDLE mode */ - val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_CONFIGURATION2); - val |= PLL_IDLE; - ti_pipe3_writel(phy->pll_ctrl_base, PLL_CONFIGURATION2, val); - - /* wait for LDO and Oscillator to power down */ - timeout = jiffies + msecs_to_jiffies(PLL_IDLE_TIME); - do { - cpu_relax(); - val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_STATUS); - if ((val & PLL_TICOPWDN) && (val & PLL_LDOPWDN)) - break; - } while (!time_after(jiffies, timeout)); + /* PCIe doesn't have internal DPLL */ + if (!of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-pcie")) { + /* Put DPLL in IDLE mode */ + val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_CONFIGURATION2); + val |= PLL_IDLE; + ti_pipe3_writel(phy->pll_ctrl_base, PLL_CONFIGURATION2, val); - if (!(val & PLL_TICOPWDN) || !(val & PLL_LDOPWDN)) { - dev_err(phy->dev, "Failed to power down: PLL_STATUS 0x%x\n", - val); - return -EBUSY; + /* wait for LDO and Oscillator to power down */ + timeout = jiffies + msecs_to_jiffies(PLL_IDLE_TIME); + do { + cpu_relax(); + val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_STATUS); + if ((val & PLL_TICOPWDN) && (val & PLL_LDOPWDN)) + break; + } while (!time_after(jiffies, timeout)); + + if (!(val & PLL_TICOPWDN) || !(val & PLL_LDOPWDN)) { + dev_err(phy->dev, "Failed to power down: PLL_STATUS 0x%x\n", + val); + return -EBUSY; + } } + ti_pipe3_disable_clocks(phy); + return 0; } static struct phy_ops ops = { @@ -306,7 +307,6 @@ static int ti_pipe3_probe(struct platform_device *pdev) return -ENOMEM; phy->dev = &pdev->dev; - spin_lock_init(&phy->lock); if (!of_device_is_compatible(node, "ti,phy-pipe3-pcie")) { match = of_match_device(ti_pipe3_id_table, &pdev->dev); @@ -402,6 +402,10 @@ static int ti_pipe3_probe(struct platform_device *pdev) platform_set_drvdata(pdev, phy); pm_runtime_enable(phy->dev); + /* Prevent auto-disable of refclk for SATA PHY due to Errata i783 */ + if (of_device_is_compatible(node, "ti,phy-pipe3-sata")) + if (!IS_ERR(phy->refclk)) + clk_prepare_enable(phy->refclk); generic_phy = devm_phy_create(phy->dev, NULL, &ops); if (IS_ERR(generic_phy)) @@ -413,63 +417,33 @@ static int ti_pipe3_probe(struct platform_device *pdev) if (IS_ERR(phy_provider)) return PTR_ERR(phy_provider); - pm_runtime_get(&pdev->dev); - return 0; } static int ti_pipe3_remove(struct platform_device *pdev) { - if (!pm_runtime_suspended(&pdev->dev)) - pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); return 0; } -#ifdef CONFIG_PM -static int ti_pipe3_enable_refclk(struct ti_pipe3 *phy) +static int ti_pipe3_enable_clocks(struct ti_pipe3 *phy) { - if (!IS_ERR(phy->refclk) && !phy->refclk_enabled) { - int ret; + int ret = 0; + if (!IS_ERR(phy->refclk)) { ret = clk_prepare_enable(phy->refclk); if (ret) { dev_err(phy->dev, "Failed to enable refclk %d\n", ret); return ret; } - phy->refclk_enabled = true; } - return 0; -} - -static void ti_pipe3_disable_refclk(struct ti_pipe3 *phy) -{ - if (!IS_ERR(phy->refclk)) - clk_disable_unprepare(phy->refclk); - - phy->refclk_enabled = false; -} - -static int ti_pipe3_enable_clocks(struct ti_pipe3 *phy) -{ - int ret = 0; - unsigned long flags; - - spin_lock_irqsave(&phy->lock, flags); - if (phy->enabled) - goto err1; - - ret = ti_pipe3_enable_refclk(phy); - if (ret) - goto err1; - if (!IS_ERR(phy->wkupclk)) { ret = clk_prepare_enable(phy->wkupclk); if (ret) { dev_err(phy->dev, "Failed to enable wkupclk %d\n", ret); - goto err2; + goto disable_refclk; } } @@ -477,96 +451,33 @@ static int ti_pipe3_enable_clocks(struct ti_pipe3 *phy) ret = clk_prepare_enable(phy->div_clk); if (ret) { dev_err(phy->dev, "Failed to enable div_clk %d\n", ret); - goto err3; + goto disable_wkupclk; } } - phy->enabled = true; - spin_unlock_irqrestore(&phy->lock, flags); return 0; -err3: +disable_wkupclk: if (!IS_ERR(phy->wkupclk)) clk_disable_unprepare(phy->wkupclk); -err2: +disable_refclk: if (!IS_ERR(phy->refclk)) clk_disable_unprepare(phy->refclk); - ti_pipe3_disable_refclk(phy); -err1: - spin_unlock_irqrestore(&phy->lock, flags); return ret; } static void ti_pipe3_disable_clocks(struct ti_pipe3 *phy) { - unsigned long flags; - - spin_lock_irqsave(&phy->lock, flags); - if (!phy->enabled) { - spin_unlock_irqrestore(&phy->lock, flags); - return; - } - if (!IS_ERR(phy->wkupclk)) clk_disable_unprepare(phy->wkupclk); - /* Don't disable refclk for SATA PHY due to Errata i783 */ - if (!of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-sata")) - ti_pipe3_disable_refclk(phy); + if (!IS_ERR(phy->refclk)) + clk_disable_unprepare(phy->refclk); if (!IS_ERR(phy->div_clk)) clk_disable_unprepare(phy->div_clk); - phy->enabled = false; - spin_unlock_irqrestore(&phy->lock, flags); -} - -static int ti_pipe3_runtime_suspend(struct device *dev) -{ - struct ti_pipe3 *phy = dev_get_drvdata(dev); - - ti_pipe3_disable_clocks(phy); - return 0; } -static int ti_pipe3_runtime_resume(struct device *dev) -{ - struct ti_pipe3 *phy = dev_get_drvdata(dev); - int ret = 0; - - ret = ti_pipe3_enable_clocks(phy); - return ret; -} - -static int ti_pipe3_suspend(struct device *dev) -{ - struct ti_pipe3 *phy = dev_get_drvdata(dev); - - ti_pipe3_disable_clocks(phy); - return 0; -} - -static int ti_pipe3_resume(struct device *dev) -{ - struct ti_pipe3 *phy = dev_get_drvdata(dev); - int ret; - - ret = ti_pipe3_enable_clocks(phy); - if (ret) - return ret; - - pm_runtime_disable(dev); - pm_runtime_set_active(dev); - pm_runtime_enable(dev); - return 0; -} -#endif - -static const struct dev_pm_ops ti_pipe3_pm_ops = { - SET_RUNTIME_PM_OPS(ti_pipe3_runtime_suspend, - ti_pipe3_runtime_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(ti_pipe3_suspend, ti_pipe3_resume) -}; - static const struct of_device_id ti_pipe3_id_table[] = { { .compatible = "ti,phy-usb3", @@ -592,7 +503,6 @@ static struct platform_driver ti_pipe3_driver = { .remove = ti_pipe3_remove, .driver = { .name = "ti-pipe3", - .pm = &ti_pipe3_pm_ops, .of_match_table = ti_pipe3_id_table, }, }; diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index efcf2a2b3975..6177315ab74e 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -473,6 +473,8 @@ static void bcm2835_gpio_irq_disable(struct irq_data *data) spin_lock_irqsave(&pc->irq_lock[bank], flags); bcm2835_gpio_irq_config(pc, gpio, false); + /* Clear events that were latched prior to clearing event sources */ + bcm2835_gpio_set_bit(pc, GPEDS0, gpio); clear_bit(offset, &pc->enabled_irq_map[bank]); spin_unlock_irqrestore(&pc->irq_lock[bank], flags); } diff --git a/drivers/pinctrl/freescale/pinctrl-imx1-core.c b/drivers/pinctrl/freescale/pinctrl-imx1-core.c index 5fd4437cee15..88a7fac11bd4 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx1-core.c +++ b/drivers/pinctrl/freescale/pinctrl-imx1-core.c @@ -403,14 +403,13 @@ static int imx1_pinconf_set(struct pinctrl_dev *pctldev, unsigned num_configs) { struct imx1_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev); - const struct imx1_pinctrl_soc_info *info = ipctl->info; int i; for (i = 0; i != num_configs; ++i) { imx1_write_bit(ipctl, pin_id, configs[i] & 0x01, MX1_PUEN); dev_dbg(ipctl->dev, "pinconf set pullup pin %s\n", - info->pins[pin_id].name); + pin_desc_get(pctldev, pin_id)->name); } return 0; diff --git a/drivers/pinctrl/nomadik/pinctrl-abx500.c b/drivers/pinctrl/nomadik/pinctrl-abx500.c index 557d0f2a3031..97681fac082e 100644 --- a/drivers/pinctrl/nomadik/pinctrl-abx500.c +++ b/drivers/pinctrl/nomadik/pinctrl-abx500.c @@ -787,7 +787,6 @@ static const struct pinmux_ops abx500_pinmux_ops = { .set_mux = abx500_pmx_set, .gpio_request_enable = abx500_gpio_request_enable, .gpio_disable_free = abx500_gpio_disable_free, - .strict = true, }; static int abx500_get_groups_cnt(struct pinctrl_dev *pctldev) diff --git a/drivers/pinctrl/pinctrl-lpc18xx.c b/drivers/pinctrl/pinctrl-lpc18xx.c index ef0b697639a7..347c763a6a78 100644 --- a/drivers/pinctrl/pinctrl-lpc18xx.c +++ b/drivers/pinctrl/pinctrl-lpc18xx.c @@ -823,7 +823,7 @@ static int lpc18xx_pconf_set_i2c0(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_INPUT_SCHMITT_ENABLE: - if (param) + if (param_val) *reg &= ~(LPC18XX_SCU_I2C0_ZIF << shift); else *reg |= (LPC18XX_SCU_I2C0_ZIF << shift); @@ -876,7 +876,7 @@ static int lpc18xx_pconf_set_pin(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_INPUT_SCHMITT_ENABLE: - if (param) + if (param_val) *reg &= ~LPC18XX_SCU_PIN_ZIF; else *reg |= LPC18XX_SCU_PIN_ZIF; diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index b2de09d3b1a0..0b8d480171a3 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1760,7 +1760,8 @@ static int pcs_irq_init_chained_handler(struct pcs_device *pcs, int res; res = request_irq(pcs_soc->irq, pcs_irq_handler, - IRQF_SHARED | IRQF_NO_SUSPEND, + IRQF_SHARED | IRQF_NO_SUSPEND | + IRQF_NO_THREAD, name, pcs_soc); if (res) { pcs_soc->irq = -1; diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index 3dd5a3b2ac62..c760bf43d116 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -33,11 +33,6 @@ #include "../core.h" #include "pinctrl-samsung.h" -#define GROUP_SUFFIX "-grp" -#define GSUFFIX_LEN sizeof(GROUP_SUFFIX) -#define FUNCTION_SUFFIX "-mux" -#define FSUFFIX_LEN sizeof(FUNCTION_SUFFIX) - /* list of all possible config options supported */ static struct pin_config { const char *property; diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h index c7508d5f6886..0874cfee6889 100644 --- a/drivers/pinctrl/sh-pfc/sh_pfc.h +++ b/drivers/pinctrl/sh-pfc/sh_pfc.h @@ -224,7 +224,7 @@ struct sh_pfc_soc_info { /* PINMUX_GPIO_GP_ALL - Expand to a list of sh_pfc_pin entries */ #define _GP_GPIO(bank, _pin, _name, sfx) \ - [(bank * 32) + _pin] = { \ + { \ .pin = (bank * 32) + _pin, \ .name = __stringify(_name), \ .enum_id = _name##_DATA, \ diff --git a/drivers/pinctrl/spear/pinctrl-spear.c b/drivers/pinctrl/spear/pinctrl-spear.c index f87a5eaf75da..0afaf79a4e51 100644 --- a/drivers/pinctrl/spear/pinctrl-spear.c +++ b/drivers/pinctrl/spear/pinctrl-spear.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * Inspired from: * - U300 Pinctl drivers diff --git a/drivers/pinctrl/spear/pinctrl-spear.h b/drivers/pinctrl/spear/pinctrl-spear.h index dc8bf85ecb2a..27c2cc8d83ad 100644 --- a/drivers/pinctrl/spear/pinctrl-spear.h +++ b/drivers/pinctrl/spear/pinctrl-spear.h @@ -2,7 +2,7 @@ * Driver header file for the ST Microelectronics SPEAr pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/pinctrl/spear/pinctrl-spear1310.c b/drivers/pinctrl/spear/pinctrl-spear1310.c index a7bdc537efa7..92611bb757ac 100644 --- a/drivers/pinctrl/spear/pinctrl-spear1310.c +++ b/drivers/pinctrl/spear/pinctrl-spear1310.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr1310 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -2730,7 +2730,7 @@ static void __exit spear1310_pinctrl_exit(void) } module_exit(spear1310_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr1310 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear1310_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear1340.c b/drivers/pinctrl/spear/pinctrl-spear1340.c index f43ec85a0328..f842e9dc40d0 100644 --- a/drivers/pinctrl/spear/pinctrl-spear1340.c +++ b/drivers/pinctrl/spear/pinctrl-spear1340.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr1340 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -2046,7 +2046,7 @@ static void __exit spear1340_pinctrl_exit(void) } module_exit(spear1340_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr1340 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear1340_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear300.c b/drivers/pinctrl/spear/pinctrl-spear300.c index da8990a8eeef..d998a2ccff48 100644 --- a/drivers/pinctrl/spear/pinctrl-spear300.c +++ b/drivers/pinctrl/spear/pinctrl-spear300.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr300 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -703,7 +703,7 @@ static void __exit spear300_pinctrl_exit(void) } module_exit(spear300_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr300 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear300_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear310.c b/drivers/pinctrl/spear/pinctrl-spear310.c index 31ede51e819b..609b18aceb16 100644 --- a/drivers/pinctrl/spear/pinctrl-spear310.c +++ b/drivers/pinctrl/spear/pinctrl-spear310.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr310 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -426,7 +426,7 @@ static void __exit spear310_pinctrl_exit(void) } module_exit(spear310_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr310 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear310_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear320.c b/drivers/pinctrl/spear/pinctrl-spear320.c index 506e40b641e0..c07114431bd4 100644 --- a/drivers/pinctrl/spear/pinctrl-spear320.c +++ b/drivers/pinctrl/spear/pinctrl-spear320.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr320 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -3467,7 +3467,7 @@ static void __exit spear320_pinctrl_exit(void) } module_exit(spear320_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr320 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear320_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear3xx.c b/drivers/pinctrl/spear/pinctrl-spear3xx.c index 12ee21af766b..d3119aafe709 100644 --- a/drivers/pinctrl/spear/pinctrl-spear3xx.c +++ b/drivers/pinctrl/spear/pinctrl-spear3xx.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr3xx pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/pinctrl/spear/pinctrl-spear3xx.h b/drivers/pinctrl/spear/pinctrl-spear3xx.h index 7860b36053c4..ce19dcf8f08b 100644 --- a/drivers/pinctrl/spear/pinctrl-spear3xx.h +++ b/drivers/pinctrl/spear/pinctrl-spear3xx.h @@ -2,7 +2,7 @@ * Header file for the ST Microelectronics SPEAr3xx pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index ed317ccac4a2..aaeeae81e3a9 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -309,12 +309,15 @@ static const struct dmi_system_id dell_quirks[] __initconst = { static struct calling_interface_buffer *buffer; static DEFINE_MUTEX(buffer_mutex); -static int hwswitch_state; +static void clear_buffer(void) +{ + memset(buffer, 0, sizeof(struct calling_interface_buffer)); +} static void get_buffer(void) { mutex_lock(&buffer_mutex); - memset(buffer, 0, sizeof(struct calling_interface_buffer)); + clear_buffer(); } static void release_buffer(void) @@ -548,21 +551,41 @@ static int dell_rfkill_set(void *data, bool blocked) int disable = blocked ? 1 : 0; unsigned long radio = (unsigned long)data; int hwswitch_bit = (unsigned long)data - 1; + int hwswitch; + int status; + int ret; get_buffer(); + + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + status = buffer->output[1]; + + if (ret != 0) + goto out; + + clear_buffer(); + + buffer->input[0] = 0x2; dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + hwswitch = buffer->output[1]; /* If the hardware switch controls this radio, and the hardware switch is disabled, always disable the radio */ - if ((hwswitch_state & BIT(hwswitch_bit)) && - !(buffer->output[1] & BIT(16))) + if (ret == 0 && (hwswitch & BIT(hwswitch_bit)) && + (status & BIT(0)) && !(status & BIT(16))) disable = 1; + clear_buffer(); + buffer->input[0] = (1 | (radio<<8) | (disable << 16)); dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + out: release_buffer(); - return 0; + return dell_smi_error(ret); } /* Must be called with the buffer held */ @@ -572,6 +595,7 @@ static void dell_rfkill_update_sw_state(struct rfkill *rfkill, int radio, if (status & BIT(0)) { /* Has hw-switch, sync sw_state to BIOS */ int block = rfkill_blocked(rfkill); + clear_buffer(); buffer->input[0] = (1 | (radio << 8) | (block << 16)); dell_send_request(buffer, 17, 11); } else { @@ -581,23 +605,43 @@ static void dell_rfkill_update_sw_state(struct rfkill *rfkill, int radio, } static void dell_rfkill_update_hw_state(struct rfkill *rfkill, int radio, - int status) + int status, int hwswitch) { - if (hwswitch_state & (BIT(radio - 1))) + if (hwswitch & (BIT(radio - 1))) rfkill_set_hw_state(rfkill, !(status & BIT(16))); } static void dell_rfkill_query(struct rfkill *rfkill, void *data) { + int radio = ((unsigned long)data & 0xF); + int hwswitch; int status; + int ret; get_buffer(); + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; status = buffer->output[1]; - dell_rfkill_update_hw_state(rfkill, (unsigned long)data, status); + if (ret != 0 || !(status & BIT(0))) { + release_buffer(); + return; + } + + clear_buffer(); + + buffer->input[0] = 0x2; + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + hwswitch = buffer->output[1]; release_buffer(); + + if (ret != 0) + return; + + dell_rfkill_update_hw_state(rfkill, radio, status, hwswitch); } static const struct rfkill_ops dell_rfkill_ops = { @@ -609,13 +653,27 @@ static struct dentry *dell_laptop_dir; static int dell_debugfs_show(struct seq_file *s, void *data) { + int hwswitch_state; + int hwswitch_ret; int status; + int ret; get_buffer(); + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; status = buffer->output[1]; + + clear_buffer(); + + buffer->input[0] = 0x2; + dell_send_request(buffer, 17, 11); + hwswitch_ret = buffer->output[0]; + hwswitch_state = buffer->output[1]; + release_buffer(); + seq_printf(s, "return:\t%d\n", ret); seq_printf(s, "status:\t0x%X\n", status); seq_printf(s, "Bit 0 : Hardware switch supported: %lu\n", status & BIT(0)); @@ -657,7 +715,8 @@ static int dell_debugfs_show(struct seq_file *s, void *data) seq_printf(s, "Bit 21: WiGig is blocked: %lu\n", (status & BIT(21)) >> 21); - seq_printf(s, "\nhwswitch_state:\t0x%X\n", hwswitch_state); + seq_printf(s, "\nhwswitch_return:\t%d\n", hwswitch_ret); + seq_printf(s, "hwswitch_state:\t0x%X\n", hwswitch_state); seq_printf(s, "Bit 0 : Wifi controlled by switch: %lu\n", hwswitch_state & BIT(0)); seq_printf(s, "Bit 1 : Bluetooth controlled by switch: %lu\n", @@ -693,25 +752,43 @@ static const struct file_operations dell_debugfs_fops = { static void dell_update_rfkill(struct work_struct *ignored) { + int hwswitch = 0; int status; + int ret; get_buffer(); + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; status = buffer->output[1]; + if (ret != 0) + goto out; + + clear_buffer(); + + buffer->input[0] = 0x2; + dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; + + if (ret == 0 && (status & BIT(0))) + hwswitch = buffer->output[1]; + if (wifi_rfkill) { - dell_rfkill_update_hw_state(wifi_rfkill, 1, status); + dell_rfkill_update_hw_state(wifi_rfkill, 1, status, hwswitch); dell_rfkill_update_sw_state(wifi_rfkill, 1, status); } if (bluetooth_rfkill) { - dell_rfkill_update_hw_state(bluetooth_rfkill, 2, status); + dell_rfkill_update_hw_state(bluetooth_rfkill, 2, status, + hwswitch); dell_rfkill_update_sw_state(bluetooth_rfkill, 2, status); } if (wwan_rfkill) { - dell_rfkill_update_hw_state(wwan_rfkill, 3, status); + dell_rfkill_update_hw_state(wwan_rfkill, 3, status, hwswitch); dell_rfkill_update_sw_state(wwan_rfkill, 3, status); } + out: release_buffer(); } static DECLARE_DELAYED_WORK(dell_rfkill_work, dell_update_rfkill); @@ -773,21 +850,17 @@ static int __init dell_setup_rfkill(void) get_buffer(); dell_send_request(buffer, 17, 11); + ret = buffer->output[0]; status = buffer->output[1]; - buffer->input[0] = 0x2; - dell_send_request(buffer, 17, 11); - hwswitch_state = buffer->output[1]; release_buffer(); - if (!(status & BIT(0))) { - if (force_rfkill) { - /* No hwsitch, clear all hw-controlled bits */ - hwswitch_state &= ~7; - } else { - /* rfkill is only tested on laptops with a hwswitch */ - return 0; - } - } + /* dell wireless info smbios call is not supported */ + if (ret != 0) + return 0; + + /* rfkill is only tested on laptops with a hwswitch */ + if (!(status & BIT(0)) && !force_rfkill) + return 0; if ((status & (1<<2|1<<8)) == (1<<2|1<<8)) { wifi_rfkill = rfkill_alloc("dell-wifi", &platform_device->dev, @@ -932,47 +1005,50 @@ static void dell_cleanup_rfkill(void) static int dell_send_intensity(struct backlight_device *bd) { - int ret = 0; + int token; + int ret; + + token = find_token_location(BRIGHTNESS_TOKEN); + if (token == -1) + return -ENODEV; get_buffer(); - buffer->input[0] = find_token_location(BRIGHTNESS_TOKEN); + buffer->input[0] = token; buffer->input[1] = bd->props.brightness; - if (buffer->input[0] == -1) { - ret = -ENODEV; - goto out; - } - if (power_supply_is_system_supplied() > 0) dell_send_request(buffer, 1, 2); else dell_send_request(buffer, 1, 1); - out: + ret = dell_smi_error(buffer->output[0]); + release_buffer(); return ret; } static int dell_get_intensity(struct backlight_device *bd) { - int ret = 0; + int token; + int ret; - get_buffer(); - buffer->input[0] = find_token_location(BRIGHTNESS_TOKEN); + token = find_token_location(BRIGHTNESS_TOKEN); + if (token == -1) + return -ENODEV; - if (buffer->input[0] == -1) { - ret = -ENODEV; - goto out; - } + get_buffer(); + buffer->input[0] = token; if (power_supply_is_system_supplied() > 0) dell_send_request(buffer, 0, 2); else dell_send_request(buffer, 0, 1); - ret = buffer->output[1]; + if (buffer->output[0]) + ret = dell_smi_error(buffer->output[0]); + else + ret = buffer->output[1]; - out: release_buffer(); return ret; } @@ -2036,6 +2112,7 @@ static void kbd_led_exit(void) static int __init dell_init(void) { int max_intensity = 0; + int token; int ret; if (!dmi_check_system(dell_device_table)) @@ -2094,13 +2171,15 @@ static int __init dell_init(void) if (acpi_video_get_backlight_type() != acpi_backlight_vendor) return 0; - get_buffer(); - buffer->input[0] = find_token_location(BRIGHTNESS_TOKEN); - if (buffer->input[0] != -1) { + token = find_token_location(BRIGHTNESS_TOKEN); + if (token != -1) { + get_buffer(); + buffer->input[0] = token; dell_send_request(buffer, 0, 2); - max_intensity = buffer->output[3]; + if (buffer->output[0] == 0) + max_intensity = buffer->output[3]; + release_buffer(); } - release_buffer(); if (max_intensity) { struct backlight_properties props; diff --git a/drivers/platform/x86/intel_pmc_ipc.c b/drivers/platform/x86/intel_pmc_ipc.c index d734763dab69..105cfffe82c6 100644 --- a/drivers/platform/x86/intel_pmc_ipc.c +++ b/drivers/platform/x86/intel_pmc_ipc.c @@ -96,18 +96,18 @@ static struct intel_pmc_ipc_dev { struct completion cmd_complete; /* The following PMC BARs share the same ACPI device with the IPC */ - void *acpi_io_base; + resource_size_t acpi_io_base; int acpi_io_size; struct platform_device *tco_dev; /* gcr */ - void *gcr_base; + resource_size_t gcr_base; int gcr_size; /* punit */ - void *punit_base; + resource_size_t punit_base; int punit_size; - void *punit_base2; + resource_size_t punit_base2; int punit_size2; struct platform_device *punit_dev; } ipcdev; @@ -210,10 +210,15 @@ static int intel_pmc_ipc_check_status(void) return ret; } -/* - * intel_pmc_ipc_simple_command - * @cmd: command - * @sub: sub type +/** + * intel_pmc_ipc_simple_command() - Simple IPC command + * @cmd: IPC command code. + * @sub: IPC command sub type. + * + * Send a simple IPC command to PMC when don't need to specify + * input/output data and source/dest pointers. + * + * Return: an IPC error code or 0 on success. */ int intel_pmc_ipc_simple_command(int cmd, int sub) { @@ -232,16 +237,20 @@ int intel_pmc_ipc_simple_command(int cmd, int sub) } EXPORT_SYMBOL_GPL(intel_pmc_ipc_simple_command); -/* - * intel_pmc_ipc_raw_cmd - * @cmd: command - * @sub: sub type - * @in: input data - * @inlen: input length in bytes - * @out: output data - * @outlen: output length in dwords - * @sptr: data writing to SPTR register - * @dptr: data writing to DPTR register +/** + * intel_pmc_ipc_raw_cmd() - IPC command with data and pointers + * @cmd: IPC command code. + * @sub: IPC command sub type. + * @in: input data of this IPC command. + * @inlen: input data length in bytes. + * @out: output data of this IPC command. + * @outlen: output data length in dwords. + * @sptr: data writing to SPTR register. + * @dptr: data writing to DPTR register. + * + * Send an IPC command to PMC with input/output data and source/dest pointers. + * + * Return: an IPC error code or 0 on success. */ int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, u32 outlen, u32 dptr, u32 sptr) @@ -278,14 +287,18 @@ int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, } EXPORT_SYMBOL_GPL(intel_pmc_ipc_raw_cmd); -/* - * intel_pmc_ipc_command - * @cmd: command - * @sub: sub type - * @in: input data - * @inlen: input length in bytes - * @out: output data - * @outlen: output length in dwords +/** + * intel_pmc_ipc_command() - IPC command with input/output data + * @cmd: IPC command code. + * @sub: IPC command sub type. + * @in: input data of this IPC command. + * @inlen: input data length in bytes. + * @out: output data of this IPC command. + * @outlen: output data length in dwords. + * + * Send an IPC command to PMC with input/output data. + * + * Return: an IPC error code or 0 on success. */ int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out, u32 outlen) @@ -480,11 +493,11 @@ static int ipc_create_punit_device(void) pdev->dev.parent = ipcdev.dev; res = punit_res; - res->start = (resource_size_t)ipcdev.punit_base; + res->start = ipcdev.punit_base; res->end = res->start + ipcdev.punit_size - 1; res = punit_res + PUNIT_RESOURCE_INTER; - res->start = (resource_size_t)ipcdev.punit_base2; + res->start = ipcdev.punit_base2; res->end = res->start + ipcdev.punit_size2 - 1; ret = platform_device_add_resources(pdev, punit_res, @@ -522,15 +535,15 @@ static int ipc_create_tco_device(void) pdev->dev.parent = ipcdev.dev; res = tco_res + TCO_RESOURCE_ACPI_IO; - res->start = (resource_size_t)ipcdev.acpi_io_base + TCO_BASE_OFFSET; + res->start = ipcdev.acpi_io_base + TCO_BASE_OFFSET; res->end = res->start + TCO_REGS_SIZE - 1; res = tco_res + TCO_RESOURCE_SMI_EN_IO; - res->start = (resource_size_t)ipcdev.acpi_io_base + SMI_EN_OFFSET; + res->start = ipcdev.acpi_io_base + SMI_EN_OFFSET; res->end = res->start + SMI_EN_SIZE - 1; res = tco_res + TCO_RESOURCE_GCR_MEM; - res->start = (resource_size_t)ipcdev.gcr_base; + res->start = ipcdev.gcr_base; res->end = res->start + ipcdev.gcr_size - 1; ret = platform_device_add_resources(pdev, tco_res, ARRAY_SIZE(tco_res)); @@ -589,7 +602,7 @@ static int ipc_plat_get_res(struct platform_device *pdev) return -ENXIO; } size = resource_size(res); - ipcdev.acpi_io_base = (void *)res->start; + ipcdev.acpi_io_base = res->start; ipcdev.acpi_io_size = size; dev_info(&pdev->dev, "io res: %llx %x\n", (long long)res->start, (int)resource_size(res)); @@ -601,7 +614,7 @@ static int ipc_plat_get_res(struct platform_device *pdev) return -ENXIO; } size = resource_size(res); - ipcdev.punit_base = (void *)res->start; + ipcdev.punit_base = res->start; ipcdev.punit_size = size; dev_info(&pdev->dev, "punit data res: %llx %x\n", (long long)res->start, (int)resource_size(res)); @@ -613,7 +626,7 @@ static int ipc_plat_get_res(struct platform_device *pdev) return -ENXIO; } size = resource_size(res); - ipcdev.punit_base2 = (void *)res->start; + ipcdev.punit_base2 = res->start; ipcdev.punit_size2 = size; dev_info(&pdev->dev, "punit interface res: %llx %x\n", (long long)res->start, (int)resource_size(res)); @@ -637,7 +650,7 @@ static int ipc_plat_get_res(struct platform_device *pdev) } ipcdev.ipc_base = addr; - ipcdev.gcr_base = (void *)(res->start + size); + ipcdev.gcr_base = res->start + size; ipcdev.gcr_size = PLAT_RESOURCE_GCR_SIZE; dev_info(&pdev->dev, "ipc res: %llx %x\n", (long long)res->start, (int)resource_size(res)); diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c index 001b199a8c33..187d1086d15c 100644 --- a/drivers/platform/x86/intel_scu_ipc.c +++ b/drivers/platform/x86/intel_scu_ipc.c @@ -216,13 +216,13 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id) int nc; u32 offset = 0; int err; - u8 cbuf[IPC_WWBUF_SIZE] = { }; + u8 cbuf[IPC_WWBUF_SIZE]; u32 *wbuf = (u32 *)&cbuf; - mutex_lock(&ipclock); - memset(cbuf, 0, sizeof(cbuf)); + mutex_lock(&ipclock); + if (ipcdev.pdev == NULL) { mutex_unlock(&ipclock); return -ENODEV; diff --git a/drivers/regulator/88pm800.c b/drivers/regulator/88pm800.c index 832932bdc977..7fd4f511d78f 100644 --- a/drivers/regulator/88pm800.c +++ b/drivers/regulator/88pm800.c @@ -130,7 +130,7 @@ struct pm800_regulators { .owner = THIS_MODULE, \ .n_voltages = ARRAY_SIZE(ldo_volt_table), \ .vsel_reg = PM800_##vreg##_VOUT, \ - .vsel_mask = 0x1f, \ + .vsel_mask = 0xf, \ .enable_reg = PM800_##ereg, \ .enable_mask = 1 << (ebit), \ .volt_table = ldo_volt_table, \ diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index c9f72019bd68..78387a6cbae5 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -109,6 +109,7 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev, static struct regulator *create_regulator(struct regulator_dev *rdev, struct device *dev, const char *supply_name); +static void _regulator_put(struct regulator *regulator); static const char *rdev_get_name(struct regulator_dev *rdev) { @@ -1105,6 +1106,9 @@ static int set_supply(struct regulator_dev *rdev, rdev_info(rdev, "supplied by %s\n", rdev_get_name(supply_rdev)); + if (!try_module_get(supply_rdev->owner)) + return -ENODEV; + rdev->supply = create_regulator(supply_rdev, &rdev->dev, "SUPPLY"); if (rdev->supply == NULL) { err = -ENOMEM; @@ -1381,9 +1385,13 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) } if (!r) { - dev_err(dev, "Failed to resolve %s-supply for %s\n", - rdev->supply_name, rdev->desc->name); - return -EPROBE_DEFER; + if (have_full_constraints()) { + r = dummy_regulator_rdev; + } else { + dev_err(dev, "Failed to resolve %s-supply for %s\n", + rdev->supply_name, rdev->desc->name); + return -EPROBE_DEFER; + } } /* Recursively resolve the supply of the supply */ @@ -1398,8 +1406,11 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) /* Cascade always-on state to supply */ if (_regulator_is_enabled(rdev)) { ret = regulator_enable(rdev->supply); - if (ret < 0) + if (ret < 0) { + if (rdev->supply) + _regulator_put(rdev->supply); return ret; + } } return 0; diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c index 6f2bdad8b4d8..e94ddcf97722 100644 --- a/drivers/regulator/max8973-regulator.c +++ b/drivers/regulator/max8973-regulator.c @@ -450,7 +450,7 @@ static struct max8973_regulator_platform_data *max8973_parse_dt( pdata->control_flags |= MAX8973_CONTROL_FREQ_SHIFT_9PER_ENABLE; if (of_property_read_bool(np, "maxim,enable-bias-control")) - pdata->control_flags |= MAX8973_BIAS_ENABLE; + pdata->control_flags |= MAX8973_CONTROL_BIAS_ENABLE; return pdata; } diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index 326ffb553371..72fc3c32db49 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c @@ -34,6 +34,8 @@ #include <linux/mfd/samsung/s2mps14.h> #include <linux/mfd/samsung/s2mpu02.h> +/* The highest number of possible regulators for supported devices. */ +#define S2MPS_REGULATOR_MAX S2MPS13_REGULATOR_MAX struct s2mps11_info { unsigned int rdev_num; int ramp_delay2; @@ -49,7 +51,7 @@ struct s2mps11_info { * One bit for each S2MPS13/S2MPS14/S2MPU02 regulator whether * the suspend mode was enabled. */ - unsigned long long s2mps14_suspend_state:50; + DECLARE_BITMAP(suspend_state, S2MPS_REGULATOR_MAX); /* Array of size rdev_num with GPIO-s for external sleep control */ int *ext_control_gpio; @@ -500,7 +502,7 @@ static int s2mps14_regulator_enable(struct regulator_dev *rdev) switch (s2mps11->dev_type) { case S2MPS13X: case S2MPS14X: - if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev))) + if (test_bit(rdev_get_id(rdev), s2mps11->suspend_state)) val = S2MPS14_ENABLE_SUSPEND; else if (gpio_is_valid(s2mps11->ext_control_gpio[rdev_get_id(rdev)])) val = S2MPS14_ENABLE_EXT_CONTROL; @@ -508,7 +510,7 @@ static int s2mps14_regulator_enable(struct regulator_dev *rdev) val = rdev->desc->enable_mask; break; case S2MPU02: - if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev))) + if (test_bit(rdev_get_id(rdev), s2mps11->suspend_state)) val = S2MPU02_ENABLE_SUSPEND; else val = rdev->desc->enable_mask; @@ -562,7 +564,7 @@ static int s2mps14_regulator_set_suspend_disable(struct regulator_dev *rdev) if (ret < 0) return ret; - s2mps11->s2mps14_suspend_state |= (1 << rdev_get_id(rdev)); + set_bit(rdev_get_id(rdev), s2mps11->suspend_state); /* * Don't enable suspend mode if regulator is already disabled because * this would effectively for a short time turn on the regulator after @@ -960,18 +962,22 @@ static int s2mps11_pmic_probe(struct platform_device *pdev) case S2MPS11X: s2mps11->rdev_num = ARRAY_SIZE(s2mps11_regulators); regulators = s2mps11_regulators; + BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num); break; case S2MPS13X: s2mps11->rdev_num = ARRAY_SIZE(s2mps13_regulators); regulators = s2mps13_regulators; + BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num); break; case S2MPS14X: s2mps11->rdev_num = ARRAY_SIZE(s2mps14_regulators); regulators = s2mps14_regulators; + BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num); break; case S2MPU02: s2mps11->rdev_num = ARRAY_SIZE(s2mpu02_regulators); regulators = s2mpu02_regulators; + BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num); break; default: dev_err(&pdev->dev, "Invalid device type: %u\n", diff --git a/drivers/rtc/rtc-armada38x.c b/drivers/rtc/rtc-armada38x.c index 4b62d1a875e4..2b08cac62f07 100644 --- a/drivers/rtc/rtc-armada38x.c +++ b/drivers/rtc/rtc-armada38x.c @@ -88,7 +88,7 @@ static int armada38x_rtc_set_time(struct device *dev, struct rtc_time *tm) { struct armada38x_rtc *rtc = dev_get_drvdata(dev); int ret = 0; - unsigned long time, flags; + unsigned long time; ret = rtc_tm_to_time(tm, &time); diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c index c0090b698ff3..eab230be5a54 100644 --- a/drivers/rtc/rtc-mt6397.c +++ b/drivers/rtc/rtc-mt6397.c @@ -343,6 +343,8 @@ static int mtk_rtc_probe(struct platform_device *pdev) goto out_dispose_irq; } + device_init_wakeup(&pdev->dev, 1); + rtc->rtc_dev = rtc_device_register("mt6397-rtc", &pdev->dev, &mtk_rtc_ops, THIS_MODULE); if (IS_ERR(rtc->rtc_dev)) { @@ -351,8 +353,6 @@ static int mtk_rtc_probe(struct platform_device *pdev) goto out_free_irq; } - device_init_wakeup(&pdev->dev, 1); - return 0; out_free_irq: diff --git a/drivers/s390/Makefile b/drivers/s390/Makefile index 95bccfd3f169..e5225ad9c5b1 100644 --- a/drivers/s390/Makefile +++ b/drivers/s390/Makefile @@ -2,7 +2,7 @@ # Makefile for the S/390 specific device drivers # -obj-y += cio/ block/ char/ crypto/ net/ scsi/ kvm/ +obj-y += cio/ block/ char/ crypto/ net/ scsi/ virtio/ drivers-y += drivers/s390/built-in.o diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 1aec8ff0b587..f73d2f579a7e 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -1863,6 +1863,33 @@ static void __dasd_device_check_expire(struct dasd_device *device) } /* + * return 1 when device is not eligible for IO + */ +static int __dasd_device_is_unusable(struct dasd_device *device, + struct dasd_ccw_req *cqr) +{ + int mask = ~(DASD_STOPPED_DC_WAIT | DASD_UNRESUMED_PM); + + if (test_bit(DASD_FLAG_OFFLINE, &device->flags)) { + /* dasd is being set offline. */ + return 1; + } + if (device->stopped) { + if (device->stopped & mask) { + /* stopped and CQR will not change that. */ + return 1; + } + if (!test_bit(DASD_CQR_VERIFY_PATH, &cqr->flags)) { + /* CQR is not able to change device to + * operational. */ + return 1; + } + /* CQR required to get device operational. */ + } + return 0; +} + +/* * Take a look at the first request on the ccw queue and check * if it needs to be started. */ @@ -1876,13 +1903,8 @@ static void __dasd_device_start_head(struct dasd_device *device) cqr = list_entry(device->ccw_queue.next, struct dasd_ccw_req, devlist); if (cqr->status != DASD_CQR_QUEUED) return; - /* when device is stopped, return request to previous layer - * exception: only the disconnect or unresumed bits are set and the - * cqr is a path verification request - */ - if (device->stopped && - !(!(device->stopped & ~(DASD_STOPPED_DC_WAIT | DASD_UNRESUMED_PM)) - && test_bit(DASD_CQR_VERIFY_PATH, &cqr->flags))) { + /* if device is not usable return request to upper layer */ + if (__dasd_device_is_unusable(device, cqr)) { cqr->intrc = -EAGAIN; cqr->status = DASD_CQR_CLEARED; dasd_schedule_device_bh(device); diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c index a2597e683e79..ee3a6faae22a 100644 --- a/drivers/s390/block/dasd_alias.c +++ b/drivers/s390/block/dasd_alias.c @@ -699,7 +699,8 @@ struct dasd_device *dasd_alias_get_start_dev(struct dasd_device *base_device) struct dasd_device, alias_list); spin_unlock_irqrestore(&lcu->lock, flags); alias_priv = (struct dasd_eckd_private *) alias_device->private; - if ((alias_priv->count < private->count) && !alias_device->stopped) + if ((alias_priv->count < private->count) && !alias_device->stopped && + !test_bit(DASD_FLAG_OFFLINE, &alias_device->flags)) return alias_device; else return NULL; diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c index aeed7969fd79..7bc6df3100ef 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -7,6 +7,7 @@ #define KMSG_COMPONENT "sclp_early" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/errno.h> #include <asm/ctl_reg.h> #include <asm/sclp.h> #include <asm/ipl.h> diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 08f1830cbfc4..01bf1f5cf2e9 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -54,6 +54,10 @@ MODULE_DESCRIPTION("Cryptographic Coprocessor interface, " \ "Copyright IBM Corp. 2001, 2012"); MODULE_LICENSE("GPL"); +static int zcrypt_hwrng_seed = 1; +module_param_named(hwrng_seed, zcrypt_hwrng_seed, int, S_IRUSR|S_IRGRP); +MODULE_PARM_DESC(hwrng_seed, "Turn on/off hwrng auto seed, default is 1 (on)."); + static DEFINE_SPINLOCK(zcrypt_device_lock); static LIST_HEAD(zcrypt_device_list); static int zcrypt_device_count = 0; @@ -1373,6 +1377,7 @@ static int zcrypt_rng_data_read(struct hwrng *rng, u32 *data) static struct hwrng zcrypt_rng_dev = { .name = "zcrypt", .data_read = zcrypt_rng_data_read, + .quality = 990, }; static int zcrypt_rng_device_add(void) @@ -1387,6 +1392,8 @@ static int zcrypt_rng_device_add(void) goto out; } zcrypt_rng_buffer_index = 0; + if (!zcrypt_hwrng_seed) + zcrypt_rng_dev.quality = 0; rc = hwrng_register(&zcrypt_rng_dev); if (rc) goto out_free; diff --git a/drivers/s390/kvm/Makefile b/drivers/s390/virtio/Makefile index 241891a57caf..241891a57caf 100644 --- a/drivers/s390/kvm/Makefile +++ b/drivers/s390/virtio/Makefile diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/virtio/kvm_virtio.c index 53fb975c404b..53fb975c404b 100644 --- a/drivers/s390/kvm/kvm_virtio.c +++ b/drivers/s390/virtio/kvm_virtio.c diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c index f8d8fdb26b72..f8d8fdb26b72 100644 --- a/drivers/s390/kvm/virtio_ccw.c +++ b/drivers/s390/virtio/virtio_ccw.c diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 1ac38e73df7e..9ad41168d26d 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -859,7 +859,7 @@ sdev_store_queue_depth(struct device *dev, struct device_attribute *attr, depth = simple_strtoul(buf, NULL, 0); - if (depth < 1 || depth > sht->can_queue) + if (depth < 1 || depth > sdev->host->can_queue) return -EINVAL; retval = sht->change_queue_depth(sdev, depth); diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c index a85292b1d09d..e3cd3ece4412 100644 --- a/drivers/scsi/scsi_transport_srp.c +++ b/drivers/scsi/scsi_transport_srp.c @@ -203,7 +203,7 @@ static ssize_t srp_show_tmo(char *buf, int tmo) return tmo >= 0 ? sprintf(buf, "%d\n", tmo) : sprintf(buf, "off\n"); } -static int srp_parse_tmo(int *tmo, const char *buf) +int srp_parse_tmo(int *tmo, const char *buf) { int res = 0; @@ -214,6 +214,7 @@ static int srp_parse_tmo(int *tmo, const char *buf) return res; } +EXPORT_SYMBOL(srp_parse_tmo); static ssize_t show_reconnect_delay(struct device *dev, struct device_attribute *attr, char *buf) diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 3f25b8fa921d..871f3553987d 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -1329,9 +1329,9 @@ static int st_open(struct inode *inode, struct file *filp) spin_lock(&st_use_lock); STp->in_use = 0; spin_unlock(&st_use_lock); - scsi_tape_put(STp); if (resumed) scsi_autopm_put_device(STp->device); + scsi_tape_put(STp); return retval; } diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 285f77544c36..7dbbb29d24c6 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -949,7 +949,7 @@ static int virtscsi_probe(struct virtio_device *vdev) { struct Scsi_Host *shost; struct virtio_scsi *vscsi; - int err, host_prot; + int err; u32 sg_elems, num_targets; u32 cmd_per_lun; u32 num_queues; @@ -1009,6 +1009,8 @@ static int virtscsi_probe(struct virtio_device *vdev) #ifdef CONFIG_BLK_DEV_INTEGRITY if (virtio_has_feature(vdev, VIRTIO_SCSI_F_T10_PI)) { + int host_prot; + host_prot = SHOST_DIF_TYPE1_PROTECTION | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION | SHOST_DIX_TYPE1_PROTECTION | SHOST_DIX_TYPE2_PROTECTION | SHOST_DIX_TYPE3_PROTECTION; diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 0cae1694014d..b0f30fb68914 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -612,7 +612,7 @@ config SPI_XTENSA_XTFPGA config SPI_ZYNQMP_GQSPI tristate "Xilinx ZynqMP GQSPI controller" - depends on SPI_MASTER + depends on SPI_MASTER && HAS_DMA help Enables Xilinx GQSPI controller driver for Zynq UltraScale+ MPSoC. diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c index 788e2b176a4f..acce90ac7371 100644 --- a/drivers/spi/spi-img-spfi.c +++ b/drivers/spi/spi-img-spfi.c @@ -40,6 +40,7 @@ #define SPFI_CONTROL_SOFT_RESET BIT(11) #define SPFI_CONTROL_SEND_DMA BIT(10) #define SPFI_CONTROL_GET_DMA BIT(9) +#define SPFI_CONTROL_SE BIT(8) #define SPFI_CONTROL_TMODE_SHIFT 5 #define SPFI_CONTROL_TMODE_MASK 0x7 #define SPFI_CONTROL_TMODE_SINGLE 0 @@ -491,6 +492,7 @@ static void img_spfi_config(struct spi_master *master, struct spi_device *spi, else if (xfer->tx_nbits == SPI_NBITS_QUAD && xfer->rx_nbits == SPI_NBITS_QUAD) val |= SPFI_CONTROL_TMODE_QUAD << SPFI_CONTROL_TMODE_SHIFT; + val |= SPFI_CONTROL_SE; spfi_writel(spfi, val, SPFI_CONTROL); } diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index eb7d3a6fb14c..f9deb84e4e55 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -201,8 +201,9 @@ static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi, { struct spi_imx_data *spi_imx = spi_master_get_devdata(master); - if (spi_imx->dma_is_inited && (transfer->len > spi_imx->rx_wml) - && (transfer->len > spi_imx->tx_wml)) + if (spi_imx->dma_is_inited + && transfer->len > spi_imx->rx_wml * sizeof(u32) + && transfer->len > spi_imx->tx_wml * sizeof(u32)) return true; return false; } diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c index 87b20a511a6b..f23f36ebaf3d 100644 --- a/drivers/spi/spi-zynqmp-gqspi.c +++ b/drivers/spi/spi-zynqmp-gqspi.c @@ -214,6 +214,7 @@ static void zynqmp_gqspi_selectslave(struct zynqmp_qspi *instanceptr, case GQSPI_SELECT_FLASH_CS_BOTH: instanceptr->genfifocs = GQSPI_GENFIFO_CS_LOWER | GQSPI_GENFIFO_CS_UPPER; + break; case GQSPI_SELECT_FLASH_CS_UPPER: instanceptr->genfifocs = GQSPI_GENFIFO_CS_UPPER; break; diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index dd616ff0ffc5..c7de64171c45 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -693,6 +693,7 @@ static struct class *spidev_class; #ifdef CONFIG_OF static const struct of_device_id spidev_dt_ids[] = { { .compatible = "rohm,dh2228fv" }, + { .compatible = "lineartechnology,ltc2488" }, {}, }; MODULE_DEVICE_TABLE(of, spidev_dt_ids); diff --git a/drivers/staging/board/Kconfig b/drivers/staging/board/Kconfig index b8ee81840666..3f287c48e082 100644 --- a/drivers/staging/board/Kconfig +++ b/drivers/staging/board/Kconfig @@ -1,6 +1,6 @@ config STAGING_BOARD bool "Staging Board Support" - depends on OF_ADDRESS + depends on OF_ADDRESS && OF_IRQ && CLKDEV_LOOKUP help Select to enable per-board staging support code. diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h index 7125eb955ae5..8a9d4a0de129 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h @@ -31,7 +31,6 @@ #define DEBUG_PORTAL_ALLOC #define DEBUG_SUBSYSTEM S_LND -#include <asm/irq.h> #include <linux/crc32.h> #include <linux/errno.h> #include <linux/if.h> diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index ed040fbb7df8..b0c8e235b982 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1418,7 +1418,7 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, priv->current_aid = conf->aid; - if (changed & BSS_CHANGED_BSSID) { + if (changed & BSS_CHANGED_BSSID && conf->bssid) { unsigned long flags; spin_lock_irqsave(&priv->lock, flags); diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index f97323f19acf..af572d718135 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -701,7 +701,7 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, priv->current_aid = conf->aid; - if (changed & BSS_CHANGED_BSSID) + if (changed & BSS_CHANGED_BSSID && conf->bssid) vnt_mac_set_bssid_addr(priv, (u8 *)conf->bssid); diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index c9c27f69e101..ee8bfacf2071 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1108,19 +1108,29 @@ static void eraser(unsigned char c, struct tty_struct *tty) * Locking: ctrl_lock */ -static void isig(int sig, struct tty_struct *tty) +static void __isig(int sig, struct tty_struct *tty) { - struct n_tty_data *ldata = tty->disc_data; struct pid *tty_pgrp = tty_get_pgrp(tty); if (tty_pgrp) { kill_pgrp(tty_pgrp, sig, 1); put_pid(tty_pgrp); } +} - if (!L_NOFLSH(tty)) { +static void isig(int sig, struct tty_struct *tty) +{ + struct n_tty_data *ldata = tty->disc_data; + + if (L_NOFLSH(tty)) { + /* signal only */ + __isig(sig, tty); + + } else { /* signal and flush */ up_read(&tty->termios_rwsem); down_write(&tty->termios_rwsem); + __isig(sig, tty); + /* clear echo buffer */ mutex_lock(&ldata->output_lock); ldata->echo_head = ldata->echo_tail = 0; diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 76e65b714471..15b4079a335e 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -1185,7 +1185,7 @@ config SERIAL_SC16IS7XX_CORE config SERIAL_SC16IS7XX tristate "SC16IS7xx serial support" select SERIAL_CORE - depends on I2C || SPI_MASTER + depends on (SPI_MASTER && !I2C) || I2C help This selects support for SC16IS7xx serial ports. Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 50cf5b10ceed..fd27e986b1dd 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -2310,8 +2310,8 @@ static int pl011_setup_port(struct device *dev, struct uart_amba_port *uap, void __iomem *base; base = devm_ioremap_resource(dev, mmiobase); - if (!base) - return -ENOMEM; + if (IS_ERR(base)) + return PTR_ERR(base); index = pl011_probe_dt_alias(index, dev); diff --git a/drivers/tty/serial/etraxfs-uart.c b/drivers/tty/serial/etraxfs-uart.c index a57301a6fe42..679709f51fd4 100644 --- a/drivers/tty/serial/etraxfs-uart.c +++ b/drivers/tty/serial/etraxfs-uart.c @@ -950,7 +950,7 @@ static int etraxfs_uart_remove(struct platform_device *pdev) port = platform_get_drvdata(pdev); uart_remove_one_port(&etraxfs_uart_driver, port); - etraxfs_uart_ports[pdev->id] = NULL; + etraxfs_uart_ports[port->line] = NULL; return 0; } diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 2c90dc31bfaa..54fdc7866ea1 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1121,11 +1121,6 @@ static int imx_startup(struct uart_port *port) writel(temp & ~UCR4_DREN, sport->port.membase + UCR4); - /* Can we enable the DMA support? */ - if (is_imx6q_uart(sport) && !uart_console(port) && - !sport->dma_is_inited) - imx_uart_dma_init(sport); - spin_lock_irqsave(&sport->port.lock, flags); /* Reset fifo's and state machines */ i = 100; @@ -1143,9 +1138,6 @@ static int imx_startup(struct uart_port *port) writel(USR1_RTSD, sport->port.membase + USR1); writel(USR2_ORE, sport->port.membase + USR2); - if (sport->dma_is_inited && !sport->dma_is_enabled) - imx_enable_dma(sport); - temp = readl(sport->port.membase + UCR1); temp |= UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN; @@ -1316,6 +1308,11 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios, } else { ucr2 |= UCR2_CTSC; } + + /* Can we enable the DMA support? */ + if (is_imx6q_uart(sport) && !uart_console(port) + && !sport->dma_is_inited) + imx_uart_dma_init(sport); } else { termios->c_cflag &= ~CRTSCTS; } @@ -1432,6 +1429,8 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios, if (UART_ENABLE_MS(&sport->port, termios->c_cflag)) imx_enable_ms(&sport->port); + if (sport->dma_is_inited && !sport->dma_is_enabled) + imx_enable_dma(sport); spin_unlock_irqrestore(&sport->port.lock, flags); } diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 9e6576004a42..5ccc698cbbfa 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -354,6 +354,26 @@ static void sc16is7xx_port_write(struct uart_port *port, u8 reg, u8 val) (reg << SC16IS7XX_REG_SHIFT) | port->line, val); } +static void sc16is7xx_fifo_read(struct uart_port *port, unsigned int rxlen) +{ + struct sc16is7xx_port *s = dev_get_drvdata(port->dev); + u8 addr = (SC16IS7XX_RHR_REG << SC16IS7XX_REG_SHIFT) | port->line; + + regcache_cache_bypass(s->regmap, true); + regmap_raw_read(s->regmap, addr, s->buf, rxlen); + regcache_cache_bypass(s->regmap, false); +} + +static void sc16is7xx_fifo_write(struct uart_port *port, u8 to_send) +{ + struct sc16is7xx_port *s = dev_get_drvdata(port->dev); + u8 addr = (SC16IS7XX_THR_REG << SC16IS7XX_REG_SHIFT) | port->line; + + regcache_cache_bypass(s->regmap, true); + regmap_raw_write(s->regmap, addr, s->buf, to_send); + regcache_cache_bypass(s->regmap, false); +} + static void sc16is7xx_port_update(struct uart_port *port, u8 reg, u8 mask, u8 val) { @@ -508,10 +528,7 @@ static void sc16is7xx_handle_rx(struct uart_port *port, unsigned int rxlen, s->buf[0] = sc16is7xx_port_read(port, SC16IS7XX_RHR_REG); bytes_read = 1; } else { - regcache_cache_bypass(s->regmap, true); - regmap_raw_read(s->regmap, SC16IS7XX_RHR_REG, - s->buf, rxlen); - regcache_cache_bypass(s->regmap, false); + sc16is7xx_fifo_read(port, rxlen); bytes_read = rxlen; } @@ -591,9 +608,8 @@ static void sc16is7xx_handle_tx(struct uart_port *port) s->buf[i] = xmit->buf[xmit->tail]; xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); } - regcache_cache_bypass(s->regmap, true); - regmap_raw_write(s->regmap, SC16IS7XX_THR_REG, s->buf, to_send); - regcache_cache_bypass(s->regmap, false); + + sc16is7xx_fifo_write(port, to_send); } if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 7ae1592f7ec9..f36852067f20 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1418,7 +1418,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp) mutex_lock(&port->mutex); uart_shutdown(tty, state); tty_port_tty_set(port, NULL); - tty->closing = 0; + spin_lock_irqsave(&port->lock, flags); if (port->blocked_open) { @@ -1444,6 +1444,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp) mutex_unlock(&port->mutex); tty_ldisc_flush(tty); + tty->closing = 0; } static void uart_wait_until_sent(struct tty_struct *tty, int timeout) diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c index ea27804d87af..381a2b13682c 100644 --- a/drivers/tty/vt/selection.c +++ b/drivers/tty/vt/selection.c @@ -356,6 +356,7 @@ int paste_selection(struct tty_struct *tty) schedule(); continue; } + __set_current_state(TASK_RUNNING); count = sel_buffer_lth - pasted; count = tty_ldisc_receive_buf(ld, sel_buffer + pasted, NULL, count); diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 8fe52989b380..4462d167900c 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -742,6 +742,8 @@ static void visual_init(struct vc_data *vc, int num, int init) __module_get(vc->vc_sw->owner); vc->vc_num = num; vc->vc_display_fg = &master_display_fg; + if (vc->vc_uni_pagedir_loc) + con_free_unimap(vc); vc->vc_uni_pagedir_loc = &vc->vc_uni_pagedir; vc->vc_uni_pagedir = NULL; vc->vc_hi_font_mask = 0; diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 519a77ba214c..b30e7423549b 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1944,6 +1944,7 @@ static void __exit acm_exit(void) usb_deregister(&acm_driver); tty_unregister_driver(acm_tty_driver); put_tty_driver(acm_tty_driver); + idr_destroy(&acm_minors); } module_init(acm_init); diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c index 0e6f968e93fe..01c0c0477a9e 100644 --- a/drivers/usb/common/ulpi.c +++ b/drivers/usb/common/ulpi.c @@ -242,7 +242,7 @@ static int __init ulpi_init(void) { return bus_register(&ulpi_bus); } -module_init(ulpi_init); +subsys_initcall(ulpi_init); static void __exit ulpi_exit(void) { diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index be5b2074f906..cbcd0920fb51 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1022,9 +1022,12 @@ static int register_root_hub(struct usb_hcd *hcd) dev_name(&usb_dev->dev), retval); return (retval < 0) ? retval : -EMSGSIZE; } - if (usb_dev->speed == USB_SPEED_SUPER) { + + if (le16_to_cpu(usb_dev->descriptor.bcdUSB) >= 0x0201) { retval = usb_get_bos_descriptor(usb_dev); - if (retval < 0) { + if (!retval) { + usb_dev->lpm_capable = usb_device_supports_lpm(usb_dev); + } else if (usb_dev->speed == USB_SPEED_SUPER) { mutex_unlock(&usb_bus_list_lock); dev_dbg(parent_dev, "can't read %s bos descriptor %d\n", dev_name(&usb_dev->dev), retval); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 43cb2f2e3b43..73dfa194160b 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -122,7 +122,7 @@ struct usb_hub *usb_hub_to_struct_hub(struct usb_device *hdev) return usb_get_intfdata(hdev->actconfig->interface[0]); } -static int usb_device_supports_lpm(struct usb_device *udev) +int usb_device_supports_lpm(struct usb_device *udev) { /* USB 2.1 (and greater) devices indicate LPM support through * their USB 2.0 Extended Capabilities BOS descriptor. diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 7eb1e26798e5..457255a3306a 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -65,6 +65,7 @@ extern int usb_hub_init(void); extern void usb_hub_cleanup(void); extern int usb_major_init(void); extern void usb_major_cleanup(void); +extern int usb_device_supports_lpm(struct usb_device *udev); #ifdef CONFIG_PM diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c index e5b546f1152e..c3cc1a78d1e2 100644 --- a/drivers/usb/dwc2/core.c +++ b/drivers/usb/dwc2/core.c @@ -72,17 +72,7 @@ static int dwc2_backup_host_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Backup Host regs */ - hr = hsotg->hr_backup; - if (!hr) { - hr = devm_kzalloc(hsotg->dev, sizeof(*hr), GFP_KERNEL); - if (!hr) { - dev_err(hsotg->dev, "%s: can't allocate host regs\n", - __func__); - return -ENOMEM; - } - - hsotg->hr_backup = hr; - } + hr = &hsotg->hr_backup; hr->hcfg = readl(hsotg->regs + HCFG); hr->haintmsk = readl(hsotg->regs + HAINTMSK); for (i = 0; i < hsotg->core_params->host_channels; ++i) @@ -90,6 +80,7 @@ static int dwc2_backup_host_registers(struct dwc2_hsotg *hsotg) hr->hprt0 = readl(hsotg->regs + HPRT0); hr->hfir = readl(hsotg->regs + HFIR); + hr->valid = true; return 0; } @@ -109,12 +100,13 @@ static int dwc2_restore_host_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Restore host regs */ - hr = hsotg->hr_backup; - if (!hr) { + hr = &hsotg->hr_backup; + if (!hr->valid) { dev_err(hsotg->dev, "%s: no host registers to restore\n", __func__); return -EINVAL; } + hr->valid = false; writel(hr->hcfg, hsotg->regs + HCFG); writel(hr->haintmsk, hsotg->regs + HAINTMSK); @@ -152,17 +144,7 @@ static int dwc2_backup_device_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Backup dev regs */ - dr = hsotg->dr_backup; - if (!dr) { - dr = devm_kzalloc(hsotg->dev, sizeof(*dr), GFP_KERNEL); - if (!dr) { - dev_err(hsotg->dev, "%s: can't allocate device regs\n", - __func__); - return -ENOMEM; - } - - hsotg->dr_backup = dr; - } + dr = &hsotg->dr_backup; dr->dcfg = readl(hsotg->regs + DCFG); dr->dctl = readl(hsotg->regs + DCTL); @@ -195,7 +177,7 @@ static int dwc2_backup_device_registers(struct dwc2_hsotg *hsotg) dr->doeptsiz[i] = readl(hsotg->regs + DOEPTSIZ(i)); dr->doepdma[i] = readl(hsotg->regs + DOEPDMA(i)); } - + dr->valid = true; return 0; } @@ -215,12 +197,13 @@ static int dwc2_restore_device_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Restore dev regs */ - dr = hsotg->dr_backup; - if (!dr) { + dr = &hsotg->dr_backup; + if (!dr->valid) { dev_err(hsotg->dev, "%s: no device registers to restore\n", __func__); return -EINVAL; } + dr->valid = false; writel(dr->dcfg, hsotg->regs + DCFG); writel(dr->dctl, hsotg->regs + DCTL); @@ -268,17 +251,7 @@ static int dwc2_backup_global_registers(struct dwc2_hsotg *hsotg) int i; /* Backup global regs */ - gr = hsotg->gr_backup; - if (!gr) { - gr = devm_kzalloc(hsotg->dev, sizeof(*gr), GFP_KERNEL); - if (!gr) { - dev_err(hsotg->dev, "%s: can't allocate global regs\n", - __func__); - return -ENOMEM; - } - - hsotg->gr_backup = gr; - } + gr = &hsotg->gr_backup; gr->gotgctl = readl(hsotg->regs + GOTGCTL); gr->gintmsk = readl(hsotg->regs + GINTMSK); @@ -291,6 +264,7 @@ static int dwc2_backup_global_registers(struct dwc2_hsotg *hsotg) for (i = 0; i < MAX_EPS_CHANNELS; i++) gr->dtxfsiz[i] = readl(hsotg->regs + DPTXFSIZN(i)); + gr->valid = true; return 0; } @@ -309,12 +283,13 @@ static int dwc2_restore_global_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Restore global regs */ - gr = hsotg->gr_backup; - if (!gr) { + gr = &hsotg->gr_backup; + if (!gr->valid) { dev_err(hsotg->dev, "%s: no global registers to restore\n", __func__); return -EINVAL; } + gr->valid = false; writel(0xffffffff, hsotg->regs + GINTSTS); writel(gr->gotgctl, hsotg->regs + GOTGCTL); diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index 53b8de03f102..0ed87620941b 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -492,6 +492,7 @@ struct dwc2_gregs_backup { u32 gdfifocfg; u32 dtxfsiz[MAX_EPS_CHANNELS]; u32 gpwrdn; + bool valid; }; /** @@ -521,6 +522,7 @@ struct dwc2_dregs_backup { u32 doepctl[MAX_EPS_CHANNELS]; u32 doeptsiz[MAX_EPS_CHANNELS]; u32 doepdma[MAX_EPS_CHANNELS]; + bool valid; }; /** @@ -538,6 +540,7 @@ struct dwc2_hregs_backup { u32 hcintmsk[MAX_EPS_CHANNELS]; u32 hprt0; u32 hfir; + bool valid; }; /** @@ -705,9 +708,9 @@ struct dwc2_hsotg { struct work_struct wf_otg; struct timer_list wkp_timer; enum dwc2_lx_state lx_state; - struct dwc2_gregs_backup *gr_backup; - struct dwc2_dregs_backup *dr_backup; - struct dwc2_hregs_backup *hr_backup; + struct dwc2_gregs_backup gr_backup; + struct dwc2_dregs_backup dr_backup; + struct dwc2_hregs_backup hr_backup; struct dentry *debug_root; struct debugfs_regset32 *regset; diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index b10377c65064..f845c41fe9e5 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -359,10 +359,9 @@ void dwc2_hcd_stop(struct dwc2_hsotg *hsotg) /* Caller must hold driver lock */ static int dwc2_hcd_urb_enqueue(struct dwc2_hsotg *hsotg, - struct dwc2_hcd_urb *urb, void **ep_handle, - gfp_t mem_flags) + struct dwc2_hcd_urb *urb, struct dwc2_qh *qh, + struct dwc2_qtd *qtd) { - struct dwc2_qtd *qtd; u32 intr_mask; int retval; int dev_speed; @@ -386,18 +385,15 @@ static int dwc2_hcd_urb_enqueue(struct dwc2_hsotg *hsotg, return -ENODEV; } - qtd = kzalloc(sizeof(*qtd), mem_flags); if (!qtd) - return -ENOMEM; + return -EINVAL; dwc2_hcd_qtd_init(qtd, urb); - retval = dwc2_hcd_qtd_add(hsotg, qtd, (struct dwc2_qh **)ep_handle, - mem_flags); + retval = dwc2_hcd_qtd_add(hsotg, qtd, qh); if (retval) { dev_err(hsotg->dev, "DWC OTG HCD URB Enqueue failed adding QTD. Error status %d\n", retval); - kfree(qtd); return retval; } @@ -2445,6 +2441,9 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, u32 tflags = 0; void *buf; unsigned long flags; + struct dwc2_qh *qh; + bool qh_allocated = false; + struct dwc2_qtd *qtd; if (dbg_urb(urb)) { dev_vdbg(hsotg->dev, "DWC OTG HCD URB Enqueue\n"); @@ -2523,15 +2522,32 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, urb->iso_frame_desc[i].length); urb->hcpriv = dwc2_urb; + qh = (struct dwc2_qh *) ep->hcpriv; + /* Create QH for the endpoint if it doesn't exist */ + if (!qh) { + qh = dwc2_hcd_qh_create(hsotg, dwc2_urb, mem_flags); + if (!qh) { + retval = -ENOMEM; + goto fail0; + } + ep->hcpriv = qh; + qh_allocated = true; + } + + qtd = kzalloc(sizeof(*qtd), mem_flags); + if (!qtd) { + retval = -ENOMEM; + goto fail1; + } spin_lock_irqsave(&hsotg->lock, flags); retval = usb_hcd_link_urb_to_ep(hcd, urb); if (retval) - goto fail1; + goto fail2; - retval = dwc2_hcd_urb_enqueue(hsotg, dwc2_urb, &ep->hcpriv, mem_flags); + retval = dwc2_hcd_urb_enqueue(hsotg, dwc2_urb, qh, qtd); if (retval) - goto fail2; + goto fail3; if (alloc_bandwidth) { dwc2_allocate_bus_bandwidth(hcd, @@ -2543,12 +2559,25 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, return 0; -fail2: +fail3: dwc2_urb->priv = NULL; usb_hcd_unlink_urb_from_ep(hcd, urb); -fail1: +fail2: spin_unlock_irqrestore(&hsotg->lock, flags); urb->hcpriv = NULL; + kfree(qtd); +fail1: + if (qh_allocated) { + struct dwc2_qtd *qtd2, *qtd2_tmp; + + ep->hcpriv = NULL; + dwc2_hcd_qh_unlink(hsotg, qh); + /* Free each QTD in the QH's QTD list */ + list_for_each_entry_safe(qtd2, qtd2_tmp, &qh->qtd_list, + qtd_list_entry) + dwc2_hcd_qtd_unlink_and_free(hsotg, qtd2, qh); + dwc2_hcd_qh_free(hsotg, qh); + } fail0: kfree(dwc2_urb); diff --git a/drivers/usb/dwc2/hcd.h b/drivers/usb/dwc2/hcd.h index 7b5841c40033..fc1054965552 100644 --- a/drivers/usb/dwc2/hcd.h +++ b/drivers/usb/dwc2/hcd.h @@ -463,6 +463,9 @@ extern void dwc2_hcd_queue_transactions(struct dwc2_hsotg *hsotg, /* Schedule Queue Functions */ /* Implemented in hcd_queue.c */ extern void dwc2_hcd_init_usecs(struct dwc2_hsotg *hsotg); +extern struct dwc2_qh *dwc2_hcd_qh_create(struct dwc2_hsotg *hsotg, + struct dwc2_hcd_urb *urb, + gfp_t mem_flags); extern void dwc2_hcd_qh_free(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh); extern int dwc2_hcd_qh_add(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh); extern void dwc2_hcd_qh_unlink(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh); @@ -471,7 +474,7 @@ extern void dwc2_hcd_qh_deactivate(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, extern void dwc2_hcd_qtd_init(struct dwc2_qtd *qtd, struct dwc2_hcd_urb *urb); extern int dwc2_hcd_qtd_add(struct dwc2_hsotg *hsotg, struct dwc2_qtd *qtd, - struct dwc2_qh **qh, gfp_t mem_flags); + struct dwc2_qh *qh); /* Unlinks and frees a QTD */ static inline void dwc2_hcd_qtd_unlink_and_free(struct dwc2_hsotg *hsotg, diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c index 9b5c36256627..3ad63d392e13 100644 --- a/drivers/usb/dwc2/hcd_queue.c +++ b/drivers/usb/dwc2/hcd_queue.c @@ -191,7 +191,7 @@ static void dwc2_qh_init(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, * * Return: Pointer to the newly allocated QH, or NULL on error */ -static struct dwc2_qh *dwc2_hcd_qh_create(struct dwc2_hsotg *hsotg, +struct dwc2_qh *dwc2_hcd_qh_create(struct dwc2_hsotg *hsotg, struct dwc2_hcd_urb *urb, gfp_t mem_flags) { @@ -767,57 +767,32 @@ void dwc2_hcd_qtd_init(struct dwc2_qtd *qtd, struct dwc2_hcd_urb *urb) * * @hsotg: The DWC HCD structure * @qtd: The QTD to add - * @qh: Out parameter to return queue head - * @atomic_alloc: Flag to do atomic alloc if needed + * @qh: Queue head to add qtd to * * Return: 0 if successful, negative error code otherwise * - * Finds the correct QH to place the QTD into. If it does not find a QH, it - * will create a new QH. If the QH to which the QTD is added is not currently - * scheduled, it is placed into the proper schedule based on its EP type. + * If the QH to which the QTD is added is not currently scheduled, it is placed + * into the proper schedule based on its EP type. */ int dwc2_hcd_qtd_add(struct dwc2_hsotg *hsotg, struct dwc2_qtd *qtd, - struct dwc2_qh **qh, gfp_t mem_flags) + struct dwc2_qh *qh) { - struct dwc2_hcd_urb *urb = qtd->urb; - int allocated = 0; int retval; - /* - * Get the QH which holds the QTD-list to insert to. Create QH if it - * doesn't exist. - */ - if (*qh == NULL) { - *qh = dwc2_hcd_qh_create(hsotg, urb, mem_flags); - if (*qh == NULL) - return -ENOMEM; - allocated = 1; + if (unlikely(!qh)) { + dev_err(hsotg->dev, "%s: Invalid QH\n", __func__); + retval = -EINVAL; + goto fail; } - retval = dwc2_hcd_qh_add(hsotg, *qh); + retval = dwc2_hcd_qh_add(hsotg, qh); if (retval) goto fail; - qtd->qh = *qh; - list_add_tail(&qtd->qtd_list_entry, &(*qh)->qtd_list); + qtd->qh = qh; + list_add_tail(&qtd->qtd_list_entry, &qh->qtd_list); return 0; - fail: - if (allocated) { - struct dwc2_qtd *qtd2, *qtd2_tmp; - struct dwc2_qh *qh_tmp = *qh; - - *qh = NULL; - dwc2_hcd_qh_unlink(hsotg, qh_tmp); - - /* Free each QTD in the QH's QTD list */ - list_for_each_entry_safe(qtd2, qtd2_tmp, &qh_tmp->qtd_list, - qtd_list_entry) - dwc2_hcd_qtd_unlink_and_free(hsotg, qtd2, qh_tmp); - - dwc2_hcd_qh_free(hsotg, qh_tmp); - } - return retval; } diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 5c110d8e293b..ff5773c66b84 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -446,10 +446,12 @@ static int dwc3_phy_setup(struct dwc3 *dwc) /* Select the HS PHY interface */ switch (DWC3_GHWPARAMS3_HSPHY_IFC(dwc->hwparams.hwparams3)) { case DWC3_GHWPARAMS3_HSPHY_IFC_UTMI_ULPI: - if (!strncmp(dwc->hsphy_interface, "utmi", 4)) { + if (dwc->hsphy_interface && + !strncmp(dwc->hsphy_interface, "utmi", 4)) { reg &= ~DWC3_GUSB2PHYCFG_ULPI_UTMI; break; - } else if (!strncmp(dwc->hsphy_interface, "ulpi", 4)) { + } else if (dwc->hsphy_interface && + !strncmp(dwc->hsphy_interface, "ulpi", 4)) { reg |= DWC3_GUSB2PHYCFG_ULPI_UTMI; dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); } else { diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 2ef3c8d6a9db..69e769c35cf5 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -727,6 +727,10 @@ static int dwc3_ep0_std_request(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) dwc3_trace(trace_dwc3_ep0, "USB_REQ_SET_ISOCH_DELAY"); ret = dwc3_ep0_set_isoch_delay(dwc, ctrl); break; + case USB_REQ_SET_INTERFACE: + dwc3_trace(trace_dwc3_ep0, "USB_REQ_SET_INTERFACE"); + dwc->start_config_issued = false; + /* Fall through */ default: dwc3_trace(trace_dwc3_ep0, "Forwarding to gadget driver"); ret = dwc3_ep0_delegate_req(dwc, ctrl); diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 4e3447bbd097..58b4657fc721 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1758,10 +1758,13 @@ unknown: * take such requests too, if that's ever needed: to work * in config 0, etc. */ - list_for_each_entry(f, &cdev->config->functions, list) - if (f->req_match && f->req_match(f, ctrl)) - goto try_fun_setup; - f = NULL; + if (cdev->config) { + list_for_each_entry(f, &cdev->config->functions, list) + if (f->req_match && f->req_match(f, ctrl)) + goto try_fun_setup; + f = NULL; + } + switch (ctrl->bRequestType & USB_RECIP_MASK) { case USB_RECIP_INTERFACE: if (!cdev->config || intf >= MAX_CONFIG_INTERFACES) diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 0495c94a23d7..289e20119fea 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -571,7 +571,7 @@ static struct config_group *function_make( if (IS_ERR(fi)) return ERR_CAST(fi); - ret = config_item_set_name(&fi->group.cg_item, name); + ret = config_item_set_name(&fi->group.cg_item, "%s", name); if (ret) { usb_put_function_instance(fi); return ERR_PTR(ret); diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 45b8c8b338df..6e7be91e6097 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -924,7 +924,8 @@ static ssize_t ffs_epfile_write_iter(struct kiocb *kiocb, struct iov_iter *from) kiocb->private = p; - kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); + if (p->aio) + kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); res = ffs_epfile_io(kiocb->ki_filp, p); if (res == -EIOCBQUEUED) @@ -968,7 +969,8 @@ static ssize_t ffs_epfile_read_iter(struct kiocb *kiocb, struct iov_iter *to) kiocb->private = p; - kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); + if (p->aio) + kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); res = ffs_epfile_io(kiocb->ki_filp, p); if (res == -EIOCBQUEUED) diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index d2259c663996..f936268d26c6 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -2786,7 +2786,7 @@ int fsg_common_set_nluns(struct fsg_common *common, int nluns) return -EINVAL; } - curlun = kcalloc(nluns, sizeof(*curlun), GFP_KERNEL); + curlun = kcalloc(FSG_MAX_LUNS, sizeof(*curlun), GFP_KERNEL); if (unlikely(!curlun)) return -ENOMEM; @@ -2796,8 +2796,6 @@ int fsg_common_set_nluns(struct fsg_common *common, int nluns) common->luns = curlun; common->nluns = nluns; - pr_info("Number of LUNs=%d\n", common->nluns); - return 0; } EXPORT_SYMBOL_GPL(fsg_common_set_nluns); @@ -3563,14 +3561,26 @@ static struct usb_function *fsg_alloc(struct usb_function_instance *fi) struct fsg_opts *opts = fsg_opts_from_func_inst(fi); struct fsg_common *common = opts->common; struct fsg_dev *fsg; + unsigned nluns, i; fsg = kzalloc(sizeof(*fsg), GFP_KERNEL); if (unlikely(!fsg)) return ERR_PTR(-ENOMEM); mutex_lock(&opts->lock); + if (!opts->refcnt) { + for (nluns = i = 0; i < FSG_MAX_LUNS; ++i) + if (common->luns[i]) + nluns = i + 1; + if (!nluns) + pr_warn("No LUNS defined, continuing anyway\n"); + else + common->nluns = nluns; + pr_info("Number of LUNs=%u\n", common->nluns); + } opts->refcnt++; mutex_unlock(&opts->lock); + fsg->function.name = FSG_DRIVER_DESC; fsg->function.bind = fsg_bind; fsg->function.unbind = fsg_unbind; diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c index 6316aa5b1c49..ad50a67c1465 100644 --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -1145,7 +1145,7 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi) if (opts->id && !midi->id) { status = -ENOMEM; mutex_unlock(&opts->lock); - goto kstrdup_fail; + goto setup_fail; } midi->in_ports = opts->in_ports; midi->out_ports = opts->out_ports; @@ -1164,8 +1164,6 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi) return &midi->func; -kstrdup_fail: - f_midi_unregister_card(midi); setup_fail: for (--i; i >= 0; i--) kfree(midi->in_port[i]); diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c index e547ea7f56b1..1137e3384218 100644 --- a/drivers/usb/gadget/udc/fotg210-udc.c +++ b/drivers/usb/gadget/udc/fotg210-udc.c @@ -1171,7 +1171,7 @@ static int fotg210_udc_probe(struct platform_device *pdev) udc_name, fotg210); if (ret < 0) { pr_err("request_irq error (%d)\n", ret); - goto err_irq; + goto err_req; } ret = usb_add_gadget_udc(&pdev->dev, &fotg210->gadget); @@ -1183,7 +1183,6 @@ static int fotg210_udc_probe(struct platform_device *pdev) return 0; err_add_udc: -err_irq: free_irq(ires->start, fotg210); err_req: diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c index d32160d6463f..5da37c957b53 100644 --- a/drivers/usb/gadget/udc/mv_udc_core.c +++ b/drivers/usb/gadget/udc/mv_udc_core.c @@ -2167,7 +2167,7 @@ static int mv_udc_probe(struct platform_device *pdev) return -ENODEV; } - udc->phy_regs = ioremap(r->start, resource_size(r)); + udc->phy_regs = devm_ioremap(&pdev->dev, r->start, resource_size(r)); if (udc->phy_regs == NULL) { dev_err(&pdev->dev, "failed to map phy I/O memory\n"); return -EBUSY; diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index d69c35558f68..362ee8af5fce 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -60,13 +60,15 @@ static DEFINE_MUTEX(udc_lock); int usb_gadget_map_request(struct usb_gadget *gadget, struct usb_request *req, int is_in) { + struct device *dev = gadget->dev.parent; + if (req->length == 0) return 0; if (req->num_sgs) { int mapped; - mapped = dma_map_sg(&gadget->dev, req->sg, req->num_sgs, + mapped = dma_map_sg(dev, req->sg, req->num_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); if (mapped == 0) { dev_err(&gadget->dev, "failed to map SGs\n"); @@ -75,11 +77,11 @@ int usb_gadget_map_request(struct usb_gadget *gadget, req->num_mapped_sgs = mapped; } else { - req->dma = dma_map_single(&gadget->dev, req->buf, req->length, + req->dma = dma_map_single(dev, req->buf, req->length, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - if (dma_mapping_error(&gadget->dev, req->dma)) { - dev_err(&gadget->dev, "failed to map buffer\n"); + if (dma_mapping_error(dev, req->dma)) { + dev_err(dev, "failed to map buffer\n"); return -EFAULT; } } @@ -95,12 +97,12 @@ void usb_gadget_unmap_request(struct usb_gadget *gadget, return; if (req->num_mapped_sgs) { - dma_unmap_sg(&gadget->dev, req->sg, req->num_mapped_sgs, + dma_unmap_sg(gadget->dev.parent, req->sg, req->num_mapped_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); req->num_mapped_sgs = 0; } else { - dma_unmap_single(&gadget->dev, req->dma, req->length, + dma_unmap_single(gadget->dev.parent, req->dma, req->length, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); } } diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index f7d561ed3c23..d029bbe9eb36 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -981,10 +981,6 @@ rescan_all: int completed, modified; __hc32 *prev; - /* Is this ED already invisible to the hardware? */ - if (ed->state == ED_IDLE) - goto ed_idle; - /* only take off EDs that the HC isn't using, accounting for * frame counter wraps and EDs with partially retired TDs */ @@ -1012,12 +1008,10 @@ skip_ed: } /* ED's now officially unlinked, hc doesn't see */ - ed->state = ED_IDLE; ed->hwHeadP &= ~cpu_to_hc32(ohci, ED_H); ed->hwNextED = 0; wmb(); ed->hwINFO &= ~cpu_to_hc32(ohci, ED_SKIP | ED_DEQUEUE); -ed_idle: /* reentrancy: if we drop the schedule lock, someone might * have modified this list. normally it's just prepending @@ -1088,6 +1082,7 @@ rescan_this: if (list_empty(&ed->td_list)) { *last = ed->ed_next; ed->ed_next = NULL; + ed->state = ED_IDLE; list_del(&ed->in_use_list); } else if (ohci->rh_state == OHCI_RH_RUNNING) { *last = ed->ed_next; diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index e9a6eec39142..cfcfadfc94fc 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -58,7 +58,7 @@ #define CCR_PM_CKRNEN 0x0002 #define CCR_PM_USBPW1 0x0004 #define CCR_PM_USBPW2 0x0008 -#define CCR_PM_USBPW3 0x0008 +#define CCR_PM_USBPW3 0x0010 #define CCR_PM_PMEE 0x0100 #define CCR_PM_PMES 0x8000 diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index e75c565feb53..78241b5550df 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -484,10 +484,13 @@ static void xhci_hub_report_usb3_link_state(struct xhci_hcd *xhci, u32 pls = status_reg & PORT_PLS_MASK; /* resume state is a xHCI internal state. - * Do not report it to usb core. + * Do not report it to usb core, instead, pretend to be U3, + * thus usb core knows it's not ready for transfer */ - if (pls == XDEV_RESUME) + if (pls == XDEV_RESUME) { + *status |= USB_SS_PORT_LS_U3; return; + } /* When the CAS bit is set then warm reset * should be performed on port @@ -588,7 +591,14 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, status |= USB_PORT_STAT_C_RESET << 16; /* USB3.0 only */ if (hcd->speed == HCD_USB3) { - if ((raw_port_status & PORT_PLC)) + /* Port link change with port in resume state should not be + * reported to usbcore, as this is an internal state to be + * handled by xhci driver. Reporting PLC to usbcore may + * cause usbcore clearing PLC first and port change event + * irq won't be generated. + */ + if ((raw_port_status & PORT_PLC) && + (raw_port_status & PORT_PLS_MASK) != XDEV_RESUME) status |= USB_PORT_STAT_C_LINK_STATE << 16; if ((raw_port_status & PORT_WRC)) status |= USB_PORT_STAT_C_BH_RESET << 16; @@ -1120,10 +1130,10 @@ int xhci_bus_suspend(struct usb_hcd *hcd) spin_lock_irqsave(&xhci->lock, flags); if (hcd->self.root_hub->do_remote_wakeup) { - if (bus_state->resuming_ports) { + if (bus_state->resuming_ports || /* USB2 */ + bus_state->port_remote_wakeup) { /* USB3 */ spin_unlock_irqrestore(&xhci->lock, flags); - xhci_dbg(xhci, "suspend failed because " - "a port is resuming\n"); + xhci_dbg(xhci, "suspend failed because a port is resuming\n"); return -EBUSY; } } diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index f8336408ef07..3e442f77a2b9 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1427,10 +1427,10 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, /* Attempt to use the ring cache */ if (virt_dev->num_rings_cached == 0) return -ENOMEM; + virt_dev->num_rings_cached--; virt_dev->eps[ep_index].new_ring = virt_dev->ring_cache[virt_dev->num_rings_cached]; virt_dev->ring_cache[virt_dev->num_rings_cached] = NULL; - virt_dev->num_rings_cached--; xhci_reinit_cached_ring(xhci, virt_dev->eps[ep_index].new_ring, 1, type); } diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 4a4cb1d91ac8..5590eac2b22d 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -23,10 +23,15 @@ #include <linux/pci.h> #include <linux/slab.h> #include <linux/module.h> +#include <linux/acpi.h> #include "xhci.h" #include "xhci-trace.h" +#define PORT2_SSIC_CONFIG_REG2 0x883c +#define PROG_DONE (1 << 30) +#define SSIC_PORT_UNUSED (1 << 31) + /* Device for a quirk */ #define PCI_VENDOR_ID_FRESCO_LOGIC 0x1b73 #define PCI_DEVICE_ID_FRESCO_LOGIC_PDK 0x1000 @@ -176,20 +181,63 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) } /* + * In some Intel xHCI controllers, in order to get D3 working, + * through a vendor specific SSIC CONFIG register at offset 0x883c, + * SSIC PORT need to be marked as "unused" before putting xHCI + * into D3. After D3 exit, the SSIC port need to be marked as "used". + * Without this change, xHCI might not enter D3 state. * Make sure PME works on some Intel xHCI controllers by writing 1 to clear * the Internal PME flag bit in vendor specific PMCTRL register at offset 0x80a4 */ -static void xhci_pme_quirk(struct xhci_hcd *xhci) +static void xhci_pme_quirk(struct usb_hcd *hcd, bool suspend) { + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + struct pci_dev *pdev = to_pci_dev(hcd->self.controller); u32 val; void __iomem *reg; + if (pdev->vendor == PCI_VENDOR_ID_INTEL && + pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) { + + reg = (void __iomem *) xhci->cap_regs + PORT2_SSIC_CONFIG_REG2; + + /* Notify SSIC that SSIC profile programming is not done */ + val = readl(reg) & ~PROG_DONE; + writel(val, reg); + + /* Mark SSIC port as unused(suspend) or used(resume) */ + val = readl(reg); + if (suspend) + val |= SSIC_PORT_UNUSED; + else + val &= ~SSIC_PORT_UNUSED; + writel(val, reg); + + /* Notify SSIC that SSIC profile programming is done */ + val = readl(reg) | PROG_DONE; + writel(val, reg); + readl(reg); + } + reg = (void __iomem *) xhci->cap_regs + 0x80a4; val = readl(reg); writel(val | BIT(28), reg); readl(reg); } +#ifdef CONFIG_ACPI +static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) +{ + static const u8 intel_dsm_uuid[] = { + 0xb7, 0x0c, 0x34, 0xac, 0x01, 0xe9, 0xbf, 0x45, + 0xb7, 0xe6, 0x2b, 0x34, 0xec, 0x93, 0x1e, 0x23, + }; + acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), intel_dsm_uuid, 3, 1, NULL); +} +#else + static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { } +#endif /* CONFIG_ACPI */ + /* called during probe() after chip reset completes */ static int xhci_pci_setup(struct usb_hcd *hcd) { @@ -263,6 +311,9 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) HCC_MAX_PSA(xhci->hcc_params) >= 4) xhci->shared_hcd->can_do_streams = 1; + if (xhci->quirks & XHCI_PME_STUCK_QUIRK) + xhci_pme_acpi_rtd3_enable(dev); + /* USB-2 and USB-3 roothubs initialized, allow runtime pm suspend */ pm_runtime_put_noidle(&dev->dev); @@ -307,7 +358,7 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) pdev->no_d3cold = true; if (xhci->quirks & XHCI_PME_STUCK_QUIRK) - xhci_pme_quirk(xhci); + xhci_pme_quirk(hcd, true); return xhci_suspend(xhci, do_wakeup); } @@ -340,7 +391,7 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated) usb_enable_intel_xhci_ports(pdev); if (xhci->quirks & XHCI_PME_STUCK_QUIRK) - xhci_pme_quirk(xhci); + xhci_pme_quirk(hcd, false); retval = xhci_resume(xhci, hibernated); return retval; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 94416ff70810..6a8fc52aed58 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1546,6 +1546,9 @@ static void handle_port_status(struct xhci_hcd *xhci, usb_hcd_resume_root_hub(hcd); } + if (hcd->speed == HCD_USB3 && (temp & PORT_PLS_MASK) == XDEV_INACTIVE) + bus_state->port_remote_wakeup &= ~(1 << faked_port_index); + if ((temp & PORT_PLC) && (temp & PORT_PLS_MASK) == XDEV_RESUME) { xhci_dbg(xhci, "port resume event for port %d\n", port_id); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 7da0d6043d33..526ebc0c7e72 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3453,6 +3453,9 @@ int xhci_discover_or_reset_device(struct usb_hcd *hcd, struct usb_device *udev) return -EINVAL; } + if (virt_dev->tt_info) + old_active_eps = virt_dev->tt_info->active_eps; + if (virt_dev->udev != udev) { /* If the virt_dev and the udev does not match, this virt_dev * may belong to another udev. diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 31e46cc55807..ed2ebf647c38 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -285,6 +285,7 @@ struct xhci_op_regs { #define XDEV_U0 (0x0 << 5) #define XDEV_U2 (0x2 << 5) #define XDEV_U3 (0x3 << 5) +#define XDEV_INACTIVE (0x6 << 5) #define XDEV_RESUME (0xf << 5) /* true: port has power (see HCC_PPC) */ #define PORT_POWER (1 << 9) diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index 30842bc195f5..92d5f718659b 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -275,9 +275,7 @@ static int musb_has_gadget(struct musb *musb) #ifdef CONFIG_USB_MUSB_HOST return 1; #else - if (musb->port_mode == MUSB_PORT_MODE_HOST) - return 1; - return musb->g.dev.driver != NULL; + return musb->port_mode == MUSB_PORT_MODE_HOST; #endif } diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c index 8f7cb068d29b..3fcc0483a081 100644 --- a/drivers/usb/phy/phy-mxs-usb.c +++ b/drivers/usb/phy/phy-mxs-usb.c @@ -217,6 +217,9 @@ static bool mxs_phy_get_vbus_status(struct mxs_phy *mxs_phy) { unsigned int vbus_value; + if (!mxs_phy->regmap_anatop) + return false; + if (mxs_phy->port_id == 0) regmap_read(mxs_phy->regmap_anatop, ANADIG_USB1_VBUS_DET_STAT, diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index ffd739e31bfc..eac7ccaa3c85 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -187,6 +187,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1FB9, 0x0602) }, /* Lake Shore Model 648 Magnet Power Supply */ { USB_DEVICE(0x1FB9, 0x0700) }, /* Lake Shore Model 737 VSM Controller */ { USB_DEVICE(0x1FB9, 0x0701) }, /* Lake Shore Model 776 Hall Matrix */ + { USB_DEVICE(0x2626, 0xEA60) }, /* Aruba Networks 7xxx USB Serial Console */ { USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */ { USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */ { USB_DEVICE(0x3195, 0xF281) }, /* Link Instruments MSO-28 */ diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 4f70df33975a..78b4f64c6b00 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -121,26 +121,26 @@ static DEFINE_SPINLOCK(release_lock); static const unsigned int dummy; /* for clarity in register access fns */ enum mos_regs { - THR, /* serial port regs */ - RHR, - IER, - FCR, - ISR, - LCR, - MCR, - LSR, - MSR, - SPR, - DLL, - DLM, - DPR, /* parallel port regs */ - DSR, - DCR, - ECR, - SP1_REG, /* device control regs */ - SP2_REG, /* serial port 2 (7720 only) */ - PP_REG, - SP_CONTROL_REG, + MOS7720_THR, /* serial port regs */ + MOS7720_RHR, + MOS7720_IER, + MOS7720_FCR, + MOS7720_ISR, + MOS7720_LCR, + MOS7720_MCR, + MOS7720_LSR, + MOS7720_MSR, + MOS7720_SPR, + MOS7720_DLL, + MOS7720_DLM, + MOS7720_DPR, /* parallel port regs */ + MOS7720_DSR, + MOS7720_DCR, + MOS7720_ECR, + MOS7720_SP1_REG, /* device control regs */ + MOS7720_SP2_REG, /* serial port 2 (7720 only) */ + MOS7720_PP_REG, + MOS7720_SP_CONTROL_REG, }; /* @@ -150,26 +150,26 @@ enum mos_regs { static inline __u16 get_reg_index(enum mos_regs reg) { static const __u16 mos7715_index_lookup_table[] = { - 0x00, /* THR */ - 0x00, /* RHR */ - 0x01, /* IER */ - 0x02, /* FCR */ - 0x02, /* ISR */ - 0x03, /* LCR */ - 0x04, /* MCR */ - 0x05, /* LSR */ - 0x06, /* MSR */ - 0x07, /* SPR */ - 0x00, /* DLL */ - 0x01, /* DLM */ - 0x00, /* DPR */ - 0x01, /* DSR */ - 0x02, /* DCR */ - 0x0a, /* ECR */ - 0x01, /* SP1_REG */ - 0x02, /* SP2_REG (7720 only) */ - 0x04, /* PP_REG (7715 only) */ - 0x08, /* SP_CONTROL_REG */ + 0x00, /* MOS7720_THR */ + 0x00, /* MOS7720_RHR */ + 0x01, /* MOS7720_IER */ + 0x02, /* MOS7720_FCR */ + 0x02, /* MOS7720_ISR */ + 0x03, /* MOS7720_LCR */ + 0x04, /* MOS7720_MCR */ + 0x05, /* MOS7720_LSR */ + 0x06, /* MOS7720_MSR */ + 0x07, /* MOS7720_SPR */ + 0x00, /* MOS7720_DLL */ + 0x01, /* MOS7720_DLM */ + 0x00, /* MOS7720_DPR */ + 0x01, /* MOS7720_DSR */ + 0x02, /* MOS7720_DCR */ + 0x0a, /* MOS7720_ECR */ + 0x01, /* MOS7720_SP1_REG */ + 0x02, /* MOS7720_SP2_REG (7720 only) */ + 0x04, /* MOS7720_PP_REG (7715 only) */ + 0x08, /* MOS7720_SP_CONTROL_REG */ }; return mos7715_index_lookup_table[reg]; } @@ -181,10 +181,10 @@ static inline __u16 get_reg_index(enum mos_regs reg) static inline __u16 get_reg_value(enum mos_regs reg, unsigned int serial_portnum) { - if (reg >= SP1_REG) /* control reg */ + if (reg >= MOS7720_SP1_REG) /* control reg */ return 0x0000; - else if (reg >= DPR) /* parallel port reg (7715 only) */ + else if (reg >= MOS7720_DPR) /* parallel port reg (7715 only) */ return 0x0100; else /* serial port reg */ @@ -252,7 +252,8 @@ static inline int mos7715_change_mode(struct mos7715_parport *mos_parport, enum mos7715_pp_modes mode) { mos_parport->shadowECR = mode; - write_mos_reg(mos_parport->serial, dummy, ECR, mos_parport->shadowECR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_ECR, + mos_parport->shadowECR); return 0; } @@ -486,7 +487,7 @@ static void parport_mos7715_write_data(struct parport *pp, unsigned char d) if (parport_prologue(pp) < 0) return; mos7715_change_mode(mos_parport, SPP); - write_mos_reg(mos_parport->serial, dummy, DPR, (__u8)d); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DPR, (__u8)d); parport_epilogue(pp); } @@ -497,7 +498,7 @@ static unsigned char parport_mos7715_read_data(struct parport *pp) if (parport_prologue(pp) < 0) return 0; - read_mos_reg(mos_parport->serial, dummy, DPR, &d); + read_mos_reg(mos_parport->serial, dummy, MOS7720_DPR, &d); parport_epilogue(pp); return d; } @@ -510,7 +511,7 @@ static void parport_mos7715_write_control(struct parport *pp, unsigned char d) if (parport_prologue(pp) < 0) return; data = ((__u8)d & 0x0f) | (mos_parport->shadowDCR & 0xf0); - write_mos_reg(mos_parport->serial, dummy, DCR, data); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, data); mos_parport->shadowDCR = data; parport_epilogue(pp); } @@ -543,7 +544,8 @@ static unsigned char parport_mos7715_frob_control(struct parport *pp, if (parport_prologue(pp) < 0) return 0; mos_parport->shadowDCR = (mos_parport->shadowDCR & (~mask)) ^ val; - write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, + mos_parport->shadowDCR); dcr = mos_parport->shadowDCR & 0x0f; parport_epilogue(pp); return dcr; @@ -581,7 +583,8 @@ static void parport_mos7715_data_forward(struct parport *pp) return; mos7715_change_mode(mos_parport, PS2); mos_parport->shadowDCR &= ~0x20; - write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, + mos_parport->shadowDCR); parport_epilogue(pp); } @@ -593,7 +596,8 @@ static void parport_mos7715_data_reverse(struct parport *pp) return; mos7715_change_mode(mos_parport, PS2); mos_parport->shadowDCR |= 0x20; - write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, + mos_parport->shadowDCR); parport_epilogue(pp); } @@ -633,8 +637,10 @@ static void parport_mos7715_restore_state(struct parport *pp, spin_unlock(&release_lock); return; } - write_parport_reg_nonblock(mos_parport, DCR, mos_parport->shadowDCR); - write_parport_reg_nonblock(mos_parport, ECR, mos_parport->shadowECR); + write_parport_reg_nonblock(mos_parport, MOS7720_DCR, + mos_parport->shadowDCR); + write_parport_reg_nonblock(mos_parport, MOS7720_ECR, + mos_parport->shadowECR); spin_unlock(&release_lock); } @@ -714,14 +720,16 @@ static int mos7715_parport_init(struct usb_serial *serial) init_completion(&mos_parport->syncmsg_compl); /* cycle parallel port reset bit */ - write_mos_reg(mos_parport->serial, dummy, PP_REG, (__u8)0x80); - write_mos_reg(mos_parport->serial, dummy, PP_REG, (__u8)0x00); + write_mos_reg(mos_parport->serial, dummy, MOS7720_PP_REG, (__u8)0x80); + write_mos_reg(mos_parport->serial, dummy, MOS7720_PP_REG, (__u8)0x00); /* initialize device registers */ mos_parport->shadowDCR = DCR_INIT_VAL; - write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, + mos_parport->shadowDCR); mos_parport->shadowECR = ECR_INIT_VAL; - write_mos_reg(mos_parport->serial, dummy, ECR, mos_parport->shadowECR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_ECR, + mos_parport->shadowECR); /* register with parport core */ mos_parport->pp = parport_register_port(0, PARPORT_IRQ_NONE, @@ -1033,45 +1041,49 @@ static int mos7720_open(struct tty_struct *tty, struct usb_serial_port *port) /* Initialize MCS7720 -- Write Init values to corresponding Registers * * Register Index - * 0 : THR/RHR - * 1 : IER - * 2 : FCR - * 3 : LCR - * 4 : MCR - * 5 : LSR - * 6 : MSR - * 7 : SPR + * 0 : MOS7720_THR/MOS7720_RHR + * 1 : MOS7720_IER + * 2 : MOS7720_FCR + * 3 : MOS7720_LCR + * 4 : MOS7720_MCR + * 5 : MOS7720_LSR + * 6 : MOS7720_MSR + * 7 : MOS7720_SPR * * 0x08 : SP1/2 Control Reg */ port_number = port->port_number; - read_mos_reg(serial, port_number, LSR, &data); + read_mos_reg(serial, port_number, MOS7720_LSR, &data); dev_dbg(&port->dev, "SS::%p LSR:%x\n", mos7720_port, data); - write_mos_reg(serial, dummy, SP1_REG, 0x02); - write_mos_reg(serial, dummy, SP2_REG, 0x02); + write_mos_reg(serial, dummy, MOS7720_SP1_REG, 0x02); + write_mos_reg(serial, dummy, MOS7720_SP2_REG, 0x02); - write_mos_reg(serial, port_number, IER, 0x00); - write_mos_reg(serial, port_number, FCR, 0x00); + write_mos_reg(serial, port_number, MOS7720_IER, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0x00); - write_mos_reg(serial, port_number, FCR, 0xcf); + write_mos_reg(serial, port_number, MOS7720_FCR, 0xcf); mos7720_port->shadowLCR = 0x03; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); mos7720_port->shadowMCR = 0x0b; - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); - write_mos_reg(serial, port_number, SP_CONTROL_REG, 0x00); - read_mos_reg(serial, dummy, SP_CONTROL_REG, &data); + write_mos_reg(serial, port_number, MOS7720_SP_CONTROL_REG, 0x00); + read_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, &data); data = data | (port->port_number + 1); - write_mos_reg(serial, dummy, SP_CONTROL_REG, data); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, data); mos7720_port->shadowLCR = 0x83; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); - write_mos_reg(serial, port_number, THR, 0x0c); - write_mos_reg(serial, port_number, IER, 0x00); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_THR, 0x0c); + write_mos_reg(serial, port_number, MOS7720_IER, 0x00); mos7720_port->shadowLCR = 0x03; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); - write_mos_reg(serial, port_number, IER, 0x0c); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_IER, 0x0c); response = usb_submit_urb(port->read_urb, GFP_KERNEL); if (response) @@ -1144,8 +1156,8 @@ static void mos7720_close(struct usb_serial_port *port) usb_kill_urb(port->write_urb); usb_kill_urb(port->read_urb); - write_mos_reg(serial, port->port_number, MCR, 0x00); - write_mos_reg(serial, port->port_number, IER, 0x00); + write_mos_reg(serial, port->port_number, MOS7720_MCR, 0x00); + write_mos_reg(serial, port->port_number, MOS7720_IER, 0x00); mos7720_port->open = 0; } @@ -1169,7 +1181,8 @@ static void mos7720_break(struct tty_struct *tty, int break_state) data = mos7720_port->shadowLCR & ~UART_LCR_SBC; mos7720_port->shadowLCR = data; - write_mos_reg(serial, port->port_number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, port->port_number, MOS7720_LCR, + mos7720_port->shadowLCR); } /* @@ -1297,7 +1310,7 @@ static void mos7720_throttle(struct tty_struct *tty) /* if we are implementing RTS/CTS, toggle that line */ if (tty->termios.c_cflag & CRTSCTS) { mos7720_port->shadowMCR &= ~UART_MCR_RTS; - write_mos_reg(port->serial, port->port_number, MCR, + write_mos_reg(port->serial, port->port_number, MOS7720_MCR, mos7720_port->shadowMCR); } } @@ -1327,7 +1340,7 @@ static void mos7720_unthrottle(struct tty_struct *tty) /* if we are implementing RTS/CTS, toggle that line */ if (tty->termios.c_cflag & CRTSCTS) { mos7720_port->shadowMCR |= UART_MCR_RTS; - write_mos_reg(port->serial, port->port_number, MCR, + write_mos_reg(port->serial, port->port_number, MOS7720_MCR, mos7720_port->shadowMCR); } } @@ -1352,35 +1365,39 @@ static int set_higher_rates(struct moschip_port *mos7720_port, dev_dbg(&port->dev, "Sending Setting Commands ..........\n"); port_number = port->port_number; - write_mos_reg(serial, port_number, IER, 0x00); - write_mos_reg(serial, port_number, FCR, 0x00); - write_mos_reg(serial, port_number, FCR, 0xcf); + write_mos_reg(serial, port_number, MOS7720_IER, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0xcf); mos7720_port->shadowMCR = 0x0b; - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); - write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x00); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, 0x00); /*********************************************** * Set for higher rates * ***********************************************/ /* writing baud rate verbatum into uart clock field clearly not right */ if (port_number == 0) - sp_reg = SP1_REG; + sp_reg = MOS7720_SP1_REG; else - sp_reg = SP2_REG; + sp_reg = MOS7720_SP2_REG; write_mos_reg(serial, dummy, sp_reg, baud * 0x10); - write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x03); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, 0x03); mos7720_port->shadowMCR = 0x2b; - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); /*********************************************** * Set DLL/DLM ***********************************************/ mos7720_port->shadowLCR = mos7720_port->shadowLCR | UART_LCR_DLAB; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); - write_mos_reg(serial, port_number, DLL, 0x01); - write_mos_reg(serial, port_number, DLM, 0x00); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_DLL, 0x01); + write_mos_reg(serial, port_number, MOS7720_DLM, 0x00); mos7720_port->shadowLCR = mos7720_port->shadowLCR & ~UART_LCR_DLAB; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); return 0; } @@ -1488,15 +1505,16 @@ static int send_cmd_write_baud_rate(struct moschip_port *mos7720_port, /* Enable access to divisor latch */ mos7720_port->shadowLCR = mos7720_port->shadowLCR | UART_LCR_DLAB; - write_mos_reg(serial, number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, number, MOS7720_LCR, mos7720_port->shadowLCR); /* Write the divisor */ - write_mos_reg(serial, number, DLL, (__u8)(divisor & 0xff)); - write_mos_reg(serial, number, DLM, (__u8)((divisor & 0xff00) >> 8)); + write_mos_reg(serial, number, MOS7720_DLL, (__u8)(divisor & 0xff)); + write_mos_reg(serial, number, MOS7720_DLM, + (__u8)((divisor & 0xff00) >> 8)); /* Disable access to divisor latch */ mos7720_port->shadowLCR = mos7720_port->shadowLCR & ~UART_LCR_DLAB; - write_mos_reg(serial, number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, number, MOS7720_LCR, mos7720_port->shadowLCR); return status; } @@ -1600,14 +1618,16 @@ static void change_port_settings(struct tty_struct *tty, /* Disable Interrupts */ - write_mos_reg(serial, port_number, IER, 0x00); - write_mos_reg(serial, port_number, FCR, 0x00); - write_mos_reg(serial, port_number, FCR, 0xcf); + write_mos_reg(serial, port_number, MOS7720_IER, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0xcf); /* Send the updated LCR value to the mos7720 */ - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); mos7720_port->shadowMCR = 0x0b; - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); /* set up the MCR register and send it to the mos7720 */ mos7720_port->shadowMCR = UART_MCR_OUT2; @@ -1619,14 +1639,17 @@ static void change_port_settings(struct tty_struct *tty, /* To set hardware flow control to the specified * * serial port, in SP1/2_CONTROL_REG */ if (port_number) - write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x01); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, + 0x01); else - write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x02); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, + 0x02); } else mos7720_port->shadowMCR &= ~(UART_MCR_XONANY); - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); /* Determine divisor based on baud rate */ baud = tty_get_baud_rate(tty); @@ -1639,7 +1662,7 @@ static void change_port_settings(struct tty_struct *tty, if (baud >= 230400) { set_higher_rates(mos7720_port, baud); /* Enable Interrupts */ - write_mos_reg(serial, port_number, IER, 0x0c); + write_mos_reg(serial, port_number, MOS7720_IER, 0x0c); return; } @@ -1650,7 +1673,7 @@ static void change_port_settings(struct tty_struct *tty, if (cflag & CBAUD) tty_encode_baud_rate(tty, baud, baud); /* Enable Interrupts */ - write_mos_reg(serial, port_number, IER, 0x0c); + write_mos_reg(serial, port_number, MOS7720_IER, 0x0c); if (port->read_urb->status != -EINPROGRESS) { status = usb_submit_urb(port->read_urb, GFP_KERNEL); @@ -1725,7 +1748,7 @@ static int get_lsr_info(struct tty_struct *tty, count = mos7720_chars_in_buffer(tty); if (count == 0) { - read_mos_reg(port->serial, port_number, LSR, &data); + read_mos_reg(port->serial, port_number, MOS7720_LSR, &data); if ((data & (UART_LSR_TEMT | UART_LSR_THRE)) == (UART_LSR_TEMT | UART_LSR_THRE)) { dev_dbg(&port->dev, "%s -- Empty\n", __func__); @@ -1782,7 +1805,7 @@ static int mos7720_tiocmset(struct tty_struct *tty, mcr &= ~UART_MCR_LOOP; mos7720_port->shadowMCR = mcr; - write_mos_reg(port->serial, port->port_number, MCR, + write_mos_reg(port->serial, port->port_number, MOS7720_MCR, mos7720_port->shadowMCR); return 0; @@ -1827,7 +1850,7 @@ static int set_modem_info(struct moschip_port *mos7720_port, unsigned int cmd, } mos7720_port->shadowMCR = mcr; - write_mos_reg(port->serial, port->port_number, MCR, + write_mos_reg(port->serial, port->port_number, MOS7720_MCR, mos7720_port->shadowMCR); return 0; @@ -1942,7 +1965,7 @@ static int mos7720_startup(struct usb_serial *serial) } #endif /* LSR For Port 1 */ - read_mos_reg(serial, 0, LSR, &data); + read_mos_reg(serial, 0, MOS7720_LSR, &data); dev_dbg(&dev->dev, "LSR:%x\n", data); return 0; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index f0c0c53359ad..19b85ee98a72 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1765,6 +1765,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ + { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ { USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) }, { USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) }, { } /* Terminating entry */ diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 529066bbc7e8..46f1f13b41f1 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1306,6 +1306,7 @@ static void __exit usb_serial_exit(void) tty_unregister_driver(usb_serial_tty_driver); put_tty_driver(usb_serial_tty_driver); bus_unregister(&usb_serial_bus_type); + idr_destroy(&serial_minors); } diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index caf188800c67..6b2479123de7 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2065,6 +2065,18 @@ UNUSUAL_DEV( 0x1908, 0x3335, 0x0200, 0x0200, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_READ_DISC_INFO ), +/* Reported by Oliver Neukum <oneukum@suse.com> + * This device morphes spontaneously into another device if the access + * pattern of Windows isn't followed. Thus writable media would be dirty + * if the initial instance is used. So the device is limited to its + * virtual CD. + * And yes, the concept that BCD goes up to 9 is not heeded */ +UNUSUAL_DEV( 0x19d2, 0x1225, 0x0000, 0xffff, + "ZTE,Incorporated", + "ZTE WCDMA Technologies MSM", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_SINGLE_LUN ), + /* Reported by Sven Geggus <sven-usbst@geggus.net> * This encrypted pen drive returns bogus data for the initial READ(10). */ @@ -2074,6 +2086,17 @@ UNUSUAL_DEV( 0x1b1c, 0x1ab5, 0x0200, 0x0200, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_INITIAL_READ10 ), +/* Reported by Hans de Goede <hdegoede@redhat.com> + * These are mini projectors using USB for both power and video data transport + * The usb-storage interface is a virtual windows driver CD, which the gm12u320 + * driver automatically converts into framebuffer & kms dri device nodes. + */ +UNUSUAL_DEV( 0x1de1, 0xc102, 0x0000, 0xffff, + "Grain-media Technology Corp.", + "USB3.0 Device GM12U320", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_IGNORE_DEVICE ), + /* Patch by Richard Schütz <r.schtz@t-online.de> * This external hard drive enclosure uses a JMicron chip which * needs the US_FL_IGNORE_RESIDUE flag to work properly. */ diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 9e8e004bb1c3..a9fe859f43c8 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -22,14 +22,20 @@ #include <linux/file.h> #include <linux/highmem.h> #include <linux/slab.h> +#include <linux/vmalloc.h> #include <linux/kthread.h> #include <linux/cgroup.h> #include <linux/module.h> +#include <linux/sort.h> #include "vhost.h" +static ushort max_mem_regions = 64; +module_param(max_mem_regions, ushort, 0444); +MODULE_PARM_DESC(max_mem_regions, + "Maximum number of memory regions in memory map. (default: 64)"); + enum { - VHOST_MEMORY_MAX_NREGIONS = 64, VHOST_MEMORY_F_LOG = 0x1, }; @@ -543,7 +549,7 @@ void vhost_dev_cleanup(struct vhost_dev *dev, bool locked) fput(dev->log_file); dev->log_file = NULL; /* No one will access memory at this point */ - kfree(dev->memory); + kvfree(dev->memory); dev->memory = NULL; WARN_ON(!list_empty(&dev->work_list)); if (dev->worker) { @@ -663,6 +669,28 @@ int vhost_vq_access_ok(struct vhost_virtqueue *vq) } EXPORT_SYMBOL_GPL(vhost_vq_access_ok); +static int vhost_memory_reg_sort_cmp(const void *p1, const void *p2) +{ + const struct vhost_memory_region *r1 = p1, *r2 = p2; + if (r1->guest_phys_addr < r2->guest_phys_addr) + return 1; + if (r1->guest_phys_addr > r2->guest_phys_addr) + return -1; + return 0; +} + +static void *vhost_kvzalloc(unsigned long size) +{ + void *n = kzalloc(size, GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT); + + if (!n) { + n = vzalloc(size); + if (!n) + return ERR_PTR(-ENOMEM); + } + return n; +} + static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m) { struct vhost_memory mem, *newmem, *oldmem; @@ -673,21 +701,23 @@ static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m) return -EFAULT; if (mem.padding) return -EOPNOTSUPP; - if (mem.nregions > VHOST_MEMORY_MAX_NREGIONS) + if (mem.nregions > max_mem_regions) return -E2BIG; - newmem = kmalloc(size + mem.nregions * sizeof *m->regions, GFP_KERNEL); + newmem = vhost_kvzalloc(size + mem.nregions * sizeof(*m->regions)); if (!newmem) return -ENOMEM; memcpy(newmem, &mem, size); if (copy_from_user(newmem->regions, m->regions, mem.nregions * sizeof *m->regions)) { - kfree(newmem); + kvfree(newmem); return -EFAULT; } + sort(newmem->regions, newmem->nregions, sizeof(*newmem->regions), + vhost_memory_reg_sort_cmp, NULL); if (!memory_access_ok(d, newmem, 0)) { - kfree(newmem); + kvfree(newmem); return -EFAULT; } oldmem = d->memory; @@ -699,7 +729,7 @@ static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m) d->vqs[i]->memory = newmem; mutex_unlock(&d->vqs[i]->mutex); } - kfree(oldmem); + kvfree(oldmem); return 0; } @@ -992,17 +1022,22 @@ EXPORT_SYMBOL_GPL(vhost_dev_ioctl); static const struct vhost_memory_region *find_region(struct vhost_memory *mem, __u64 addr, __u32 len) { - struct vhost_memory_region *reg; - int i; + const struct vhost_memory_region *reg; + int start = 0, end = mem->nregions; - /* linear search is not brilliant, but we really have on the order of 6 - * regions in practice */ - for (i = 0; i < mem->nregions; ++i) { - reg = mem->regions + i; - if (reg->guest_phys_addr <= addr && - reg->guest_phys_addr + reg->memory_size - 1 >= addr) - return reg; + while (start < end) { + int slot = start + (end - start) / 2; + reg = mem->regions + slot; + if (addr >= reg->guest_phys_addr) + end = slot; + else + start = slot + 1; } + + reg = mem->regions + start; + if (addr >= reg->guest_phys_addr && + reg->guest_phys_addr + reg->memory_size > addr) + return reg; return NULL; } diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c index c1b03f4235b9..4e7fec36f5c3 100644 --- a/drivers/watchdog/sp805_wdt.c +++ b/drivers/watchdog/sp805_wdt.c @@ -4,7 +4,7 @@ * Watchdog driver for ARM SP805 watchdog module * * Copyright (C) 2010 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2 or later. This program is licensed "as is" without any @@ -303,6 +303,6 @@ static struct amba_driver sp805_wdt_driver = { module_amba_driver(sp805_wdt_driver); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ARM SP805 Watchdog Driver"); MODULE_LICENSE("GPL"); diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 510040b04c96..b1dc51888048 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -540,8 +540,7 @@ static struct inode *v9fs_qid_iget(struct super_block *sb, unlock_new_inode(inode); return inode; error: - unlock_new_inode(inode); - iput(inode); + iget_failed(inode); return ERR_PTR(retval); } diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index 09e4433717b8..e8aa57dc8d6d 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -149,8 +149,7 @@ static struct inode *v9fs_qid_iget_dotl(struct super_block *sb, unlock_new_inode(inode); return inode; error: - unlock_new_inode(inode); - iput(inode); + iget_failed(inode); return ERR_PTR(retval); } diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 1c2bd1723e40..171312d51799 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2296,9 +2296,22 @@ static int run_one_delayed_ref(struct btrfs_trans_handle *trans, static inline struct btrfs_delayed_ref_node * select_delayed_ref(struct btrfs_delayed_ref_head *head) { + struct btrfs_delayed_ref_node *ref; + if (list_empty(&head->ref_list)) return NULL; + /* + * Select a delayed ref of type BTRFS_ADD_DELAYED_REF first. + * This is to prevent a ref count from going down to zero, which deletes + * the extent item from the extent tree, when there still are references + * to add, which would fail because they would not find the extent item. + */ + list_for_each_entry(ref, &head->ref_list, list) { + if (ref->action == BTRFS_ADD_DELAYED_REF) + return ref; + } + return list_entry(head->ref_list.next, struct btrfs_delayed_ref_node, list); } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index b33c0cf02668..e33dff356460 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4209,7 +4209,7 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans, u64 extent_num_bytes = 0; u64 extent_offset = 0; u64 item_end = 0; - u64 last_size = (u64)-1; + u64 last_size = new_size; u32 found_type = (u8)-1; int found_extent; int del_item; @@ -4493,8 +4493,7 @@ out: btrfs_abort_transaction(trans, root, ret); } error: - if (last_size != (u64)-1 && - root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) + if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) btrfs_ordered_update_i_size(inode, last_size, NULL); btrfs_free_path(path); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 5d91776e12a2..0770c91586ca 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3090,7 +3090,7 @@ out_unlock: static long btrfs_ioctl_file_extent_same(struct file *file, struct btrfs_ioctl_same_args __user *argp) { - struct btrfs_ioctl_same_args *same; + struct btrfs_ioctl_same_args *same = NULL; struct btrfs_ioctl_same_extent_info *info; struct inode *src = file_inode(file); u64 off; @@ -3120,6 +3120,7 @@ static long btrfs_ioctl_file_extent_same(struct file *file, if (IS_ERR(same)) { ret = PTR_ERR(same); + same = NULL; goto out; } @@ -3190,6 +3191,7 @@ static long btrfs_ioctl_file_extent_same(struct file *file, out: mnt_drop_write_file(file); + kfree(same); return ret; } @@ -3586,6 +3588,20 @@ process_slot: u64 trim = 0; u64 aligned_end = 0; + /* + * Don't copy an inline extent into an offset + * greater than zero. Having an inline extent + * at such an offset results in chaos as btrfs + * isn't prepared for such cases. Just skip + * this case for the same reasons as commented + * at btrfs_ioctl_clone(). + */ + if (last_dest_end > 0) { + ret = -EOPNOTSUPP; + btrfs_end_transaction(trans, root); + goto out; + } + if (off > key.offset) { skip = off - key.offset; new_key.offset += skip; diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index c0f18e7266b6..51e0f0d0053e 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -761,7 +761,7 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans, if (!list_empty(&trans->ordered)) { spin_lock(&info->trans_lock); - list_splice(&trans->ordered, &cur_trans->pending_ordered); + list_splice_init(&trans->ordered, &cur_trans->pending_ordered); spin_unlock(&info->trans_lock); } @@ -1866,7 +1866,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, } spin_lock(&root->fs_info->trans_lock); - list_splice(&trans->ordered, &cur_trans->pending_ordered); + list_splice_init(&trans->ordered, &cur_trans->pending_ordered); if (cur_trans->state >= TRANS_STATE_COMMIT_START) { spin_unlock(&root->fs_info->trans_lock); atomic_inc(&cur_trans->use_count); diff --git a/fs/configfs/item.c b/fs/configfs/item.c index 4d6a30e76168..b863a09cd2f1 100644 --- a/fs/configfs/item.c +++ b/fs/configfs/item.c @@ -115,7 +115,7 @@ void config_item_init_type_name(struct config_item *item, const char *name, struct config_item_type *type) { - config_item_set_name(item, name); + config_item_set_name(item, "%s", name); item->ci_type = type; config_item_init(item); } @@ -124,7 +124,7 @@ EXPORT_SYMBOL(config_item_init_type_name); void config_group_init_type_name(struct config_group *group, const char *name, struct config_item_type *type) { - config_item_set_name(&group->cg_item, name); + config_item_set_name(&group->cg_item, "%s", name); group->cg_item.ci_type = type; config_group_init(group); } diff --git a/fs/dcache.c b/fs/dcache.c index 7a3f3e5f9cea..5c8ea15e73a5 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -642,7 +642,7 @@ static inline bool fast_dput(struct dentry *dentry) /* * If we have a d_op->d_delete() operation, we sould not - * let the dentry count go to zero, so use "put__or_lock". + * let the dentry count go to zero, so use "put_or_lock". */ if (unlikely(dentry->d_flags & DCACHE_OP_DELETE)) return lockref_put_or_lock(&dentry->d_lockref); @@ -697,7 +697,7 @@ static inline bool fast_dput(struct dentry *dentry) */ smp_rmb(); d_flags = ACCESS_ONCE(dentry->d_flags); - d_flags &= DCACHE_REFERENCED | DCACHE_LRU_LIST; + d_flags &= DCACHE_REFERENCED | DCACHE_LRU_LIST | DCACHE_DISCONNECTED; /* Nothing to do? Dropping the reference was all we needed? */ if (d_flags == (DCACHE_REFERENCED | DCACHE_LRU_LIST) && !d_unhashed(dentry)) @@ -776,6 +776,9 @@ repeat: if (unlikely(d_unhashed(dentry))) goto kill_it; + if (unlikely(dentry->d_flags & DCACHE_DISCONNECTED)) + goto kill_it; + if (unlikely(dentry->d_flags & DCACHE_OP_DELETE)) { if (dentry->d_op->d_delete(dentry)) goto kill_it; diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index f0520bcf2094..518c6294bf6c 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -702,6 +702,7 @@ void wbc_account_io(struct writeback_control *wbc, struct page *page, else wbc->wb_tcand_bytes -= min(bytes, wbc->wb_tcand_bytes); } +EXPORT_SYMBOL_GPL(wbc_account_io); /** * inode_congested - test whether an inode is congested diff --git a/fs/jfs/file.c b/fs/jfs/file.c index e98d39d75cf4..b9dc23cd04f2 100644 --- a/fs/jfs/file.c +++ b/fs/jfs/file.c @@ -76,7 +76,7 @@ static int jfs_open(struct inode *inode, struct file *file) if (ji->active_ag == -1) { struct jfs_sb_info *jfs_sb = JFS_SBI(inode->i_sb); ji->active_ag = BLKTOAG(addressPXD(&ji->ixpxd), jfs_sb); - atomic_inc( &jfs_sb->bmap->db_active[ji->active_ag]); + atomic_inc(&jfs_sb->bmap->db_active[ji->active_ag]); } spin_unlock_irq(&ji->ag_lock); } diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index 6f1cb2b5ee28..41aa3ca6a6a4 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c @@ -134,11 +134,11 @@ int jfs_write_inode(struct inode *inode, struct writeback_control *wbc) * It has been committed since the last change, but was still * on the dirty inode list. */ - if (!test_cflag(COMMIT_Dirty, inode)) { + if (!test_cflag(COMMIT_Dirty, inode)) { /* Make sure committed changes hit the disk */ jfs_flush_journal(JFS_SBI(inode->i_sb)->log, wait); return 0; - } + } if (jfs_commit_inode(inode, wait)) { jfs_err("jfs_write_inode: jfs_commit_inode failed!"); diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index e33be921aa41..a5ac97b9a933 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c @@ -1160,7 +1160,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, rc = dtModify(tid, new_dir, &new_dname, &ino, old_ip->i_ino, JFS_RENAME); if (rc) - goto out4; + goto out_tx; drop_nlink(new_ip); if (S_ISDIR(new_ip->i_mode)) { drop_nlink(new_ip); @@ -1185,7 +1185,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, if ((new_size = commitZeroLink(tid, new_ip)) < 0) { txAbort(tid, 1); /* Marks FS Dirty */ rc = new_size; - goto out4; + goto out_tx; } tblk = tid_to_tblock(tid); tblk->xflag |= COMMIT_DELETE; @@ -1203,7 +1203,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (rc) { jfs_err("jfs_rename didn't expect dtSearch to fail " "w/rc = %d", rc); - goto out4; + goto out_tx; } ino = old_ip->i_ino; @@ -1211,7 +1211,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (rc) { if (rc == -EIO) jfs_err("jfs_rename: dtInsert returned -EIO"); - goto out4; + goto out_tx; } if (S_ISDIR(old_ip->i_mode)) inc_nlink(new_dir); @@ -1226,7 +1226,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, jfs_err("jfs_rename did not expect dtDelete to return rc = %d", rc); txAbort(tid, 1); /* Marks Filesystem dirty */ - goto out4; + goto out_tx; } if (S_ISDIR(old_ip->i_mode)) { drop_nlink(old_dir); @@ -1285,7 +1285,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, rc = txCommit(tid, ipcount, iplist, commit_flag); - out4: + out_tx: txEnd(tid); if (new_ip) mutex_unlock(&JFS_IP(new_ip)->commit_mutex); @@ -1308,13 +1308,6 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, } if (new_ip && (new_ip->i_nlink == 0)) set_cflag(COMMIT_Nolink, new_ip); - out3: - free_UCSname(&new_dname); - out2: - free_UCSname(&old_dname); - out1: - if (new_ip && !S_ISDIR(new_ip->i_mode)) - IWRITE_UNLOCK(new_ip); /* * Truncating the directory index table is not guaranteed. It * may need to be done iteratively @@ -1325,7 +1318,13 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, clear_cflag(COMMIT_Stale, old_dir); } - + if (new_ip && !S_ISDIR(new_ip->i_mode)) + IWRITE_UNLOCK(new_ip); + out3: + free_UCSname(&new_dname); + out2: + free_UCSname(&old_dname); + out1: jfs_info("jfs_rename: returning %d", rc); return rc; } diff --git a/fs/locks.c b/fs/locks.c index 653faabb07f4..d3d558ba4da7 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -862,12 +862,11 @@ static int posix_locks_deadlock(struct file_lock *caller_fl, * whether or not a lock was successfully freed by testing the return * value for -ENOENT. */ -static int flock_lock_file(struct file *filp, struct file_lock *request) +static int flock_lock_inode(struct inode *inode, struct file_lock *request) { struct file_lock *new_fl = NULL; struct file_lock *fl; struct file_lock_context *ctx; - struct inode *inode = file_inode(filp); int error = 0; bool found = false; LIST_HEAD(dispose); @@ -890,7 +889,7 @@ static int flock_lock_file(struct file *filp, struct file_lock *request) goto find_conflict; list_for_each_entry(fl, &ctx->flc_flock, fl_list) { - if (filp != fl->fl_file) + if (request->fl_file != fl->fl_file) continue; if (request->fl_type == fl->fl_type) goto out; @@ -1164,20 +1163,19 @@ int posix_lock_file(struct file *filp, struct file_lock *fl, EXPORT_SYMBOL(posix_lock_file); /** - * posix_lock_file_wait - Apply a POSIX-style lock to a file - * @filp: The file to apply the lock to + * posix_lock_inode_wait - Apply a POSIX-style lock to a file + * @inode: inode of file to which lock request should be applied * @fl: The lock to be applied * - * Add a POSIX style lock to a file. - * We merge adjacent & overlapping locks whenever possible. - * POSIX locks are sorted by owner task, then by starting address + * Variant of posix_lock_file_wait that does not take a filp, and so can be + * used after the filp has already been torn down. */ -int posix_lock_file_wait(struct file *filp, struct file_lock *fl) +int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl) { int error; might_sleep (); for (;;) { - error = posix_lock_file(filp, fl, NULL); + error = __posix_lock_file(inode, fl, NULL); if (error != FILE_LOCK_DEFERRED) break; error = wait_event_interruptible(fl->fl_wait, !fl->fl_next); @@ -1189,7 +1187,7 @@ int posix_lock_file_wait(struct file *filp, struct file_lock *fl) } return error; } -EXPORT_SYMBOL(posix_lock_file_wait); +EXPORT_SYMBOL(posix_lock_inode_wait); /** * locks_mandatory_locked - Check for an active lock @@ -1851,18 +1849,18 @@ int fcntl_setlease(unsigned int fd, struct file *filp, long arg) } /** - * flock_lock_file_wait - Apply a FLOCK-style lock to a file - * @filp: The file to apply the lock to + * flock_lock_inode_wait - Apply a FLOCK-style lock to a file + * @inode: inode of the file to apply to * @fl: The lock to be applied * - * Add a FLOCK style lock to a file. + * Apply a FLOCK style lock request to an inode. */ -int flock_lock_file_wait(struct file *filp, struct file_lock *fl) +int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl) { int error; might_sleep(); for (;;) { - error = flock_lock_file(filp, fl); + error = flock_lock_inode(inode, fl); if (error != FILE_LOCK_DEFERRED) break; error = wait_event_interruptible(fl->fl_wait, !fl->fl_next); @@ -1874,8 +1872,7 @@ int flock_lock_file_wait(struct file *filp, struct file_lock *fl) } return error; } - -EXPORT_SYMBOL(flock_lock_file_wait); +EXPORT_SYMBOL(flock_lock_inode_wait); /** * sys_flock: - flock() system call. @@ -2401,7 +2398,8 @@ locks_remove_flock(struct file *filp) .fl_type = F_UNLCK, .fl_end = OFFSET_MAX, }; - struct file_lock_context *flctx = file_inode(filp)->i_flctx; + struct inode *inode = file_inode(filp); + struct file_lock_context *flctx = inode->i_flctx; if (list_empty(&flctx->flc_flock)) return; @@ -2409,7 +2407,7 @@ locks_remove_flock(struct file *filp) if (filp->f_op->flock) filp->f_op->flock(filp, F_SETLKW, &fl); else - flock_lock_file(filp, &fl); + flock_lock_inode(inode, &fl); if (fl.fl_ops && fl.fl_ops->fl_release_private) fl.fl_ops->fl_release_private(&fl); diff --git a/fs/namespace.c b/fs/namespace.c index c7cb8a526c05..2b8aa15fd6df 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1361,6 +1361,36 @@ enum umount_tree_flags { UMOUNT_PROPAGATE = 2, UMOUNT_CONNECTED = 4, }; + +static bool disconnect_mount(struct mount *mnt, enum umount_tree_flags how) +{ + /* Leaving mounts connected is only valid for lazy umounts */ + if (how & UMOUNT_SYNC) + return true; + + /* A mount without a parent has nothing to be connected to */ + if (!mnt_has_parent(mnt)) + return true; + + /* Because the reference counting rules change when mounts are + * unmounted and connected, umounted mounts may not be + * connected to mounted mounts. + */ + if (!(mnt->mnt_parent->mnt.mnt_flags & MNT_UMOUNT)) + return true; + + /* Has it been requested that the mount remain connected? */ + if (how & UMOUNT_CONNECTED) + return false; + + /* Is the mount locked such that it needs to remain connected? */ + if (IS_MNT_LOCKED(mnt)) + return false; + + /* By default disconnect the mount */ + return true; +} + /* * mount_lock must be held * namespace_sem must be held for write @@ -1398,10 +1428,7 @@ static void umount_tree(struct mount *mnt, enum umount_tree_flags how) if (how & UMOUNT_SYNC) p->mnt.mnt_flags |= MNT_SYNC_UMOUNT; - disconnect = !(((how & UMOUNT_CONNECTED) && - mnt_has_parent(p) && - (p->mnt_parent->mnt.mnt_flags & MNT_UMOUNT)) || - IS_MNT_LOCKED_AND_LAZY(p)); + disconnect = disconnect_mount(p, how); pin_insert_group(&p->mnt_umount, &p->mnt_parent->mnt, disconnect ? &unmounted : NULL); @@ -1538,11 +1565,8 @@ void __detach_mounts(struct dentry *dentry) while (!hlist_empty(&mp->m_list)) { mnt = hlist_entry(mp->m_list.first, struct mount, mnt_mp_list); if (mnt->mnt.mnt_flags & MNT_UMOUNT) { - struct mount *p, *tmp; - list_for_each_entry_safe(p, tmp, &mnt->mnt_mounts, mnt_child) { - hlist_add_head(&p->mnt_umount.s_list, &unmounted); - umount_mnt(p); - } + hlist_add_head(&mnt->mnt_umount.s_list, &unmounted); + umount_mnt(mnt); } else umount_tree(mnt, UMOUNT_CONNECTED); } diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 6f228b5af819..8bee93469617 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -5439,15 +5439,15 @@ static int nfs4_proc_getlk(struct nfs4_state *state, int cmd, struct file_lock * return err; } -static int do_vfs_lock(struct file *file, struct file_lock *fl) +static int do_vfs_lock(struct inode *inode, struct file_lock *fl) { int res = 0; switch (fl->fl_flags & (FL_POSIX|FL_FLOCK)) { case FL_POSIX: - res = posix_lock_file_wait(file, fl); + res = posix_lock_inode_wait(inode, fl); break; case FL_FLOCK: - res = flock_lock_file_wait(file, fl); + res = flock_lock_inode_wait(inode, fl); break; default: BUG(); @@ -5484,7 +5484,6 @@ static struct nfs4_unlockdata *nfs4_alloc_unlockdata(struct file_lock *fl, atomic_inc(&lsp->ls_count); /* Ensure we don't close file until we're done freeing locks! */ p->ctx = get_nfs_open_context(ctx); - get_file(fl->fl_file); memcpy(&p->fl, fl, sizeof(p->fl)); p->server = NFS_SERVER(inode); return p; @@ -5496,7 +5495,6 @@ static void nfs4_locku_release_calldata(void *data) nfs_free_seqid(calldata->arg.seqid); nfs4_put_lock_state(calldata->lsp); put_nfs_open_context(calldata->ctx); - fput(calldata->fl.fl_file); kfree(calldata); } @@ -5509,7 +5507,7 @@ static void nfs4_locku_done(struct rpc_task *task, void *data) switch (task->tk_status) { case 0: renew_lease(calldata->server, calldata->timestamp); - do_vfs_lock(calldata->fl.fl_file, &calldata->fl); + do_vfs_lock(calldata->lsp->ls_state->inode, &calldata->fl); if (nfs4_update_lock_stateid(calldata->lsp, &calldata->res.stateid)) break; @@ -5617,7 +5615,7 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock * mutex_lock(&sp->so_delegreturn_mutex); /* Exclude nfs4_reclaim_open_stateid() - note nesting! */ down_read(&nfsi->rwsem); - if (do_vfs_lock(request->fl_file, request) == -ENOENT) { + if (do_vfs_lock(inode, request) == -ENOENT) { up_read(&nfsi->rwsem); mutex_unlock(&sp->so_delegreturn_mutex); goto out; @@ -5758,7 +5756,7 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata) data->timestamp); if (data->arg.new_lock) { data->fl.fl_flags &= ~(FL_SLEEP | FL_ACCESS); - if (do_vfs_lock(data->fl.fl_file, &data->fl) < 0) { + if (do_vfs_lock(lsp->ls_state->inode, &data->fl) < 0) { rpc_restart_call_prepare(task); break; } @@ -6000,7 +5998,7 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock if (status != 0) goto out; request->fl_flags |= FL_ACCESS; - status = do_vfs_lock(request->fl_file, request); + status = do_vfs_lock(state->inode, request); if (status < 0) goto out; down_read(&nfsi->rwsem); @@ -6008,7 +6006,7 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock /* Yes: cache locks! */ /* ...but avoid races with delegation recall... */ request->fl_flags = fl_flags & ~FL_SLEEP; - status = do_vfs_lock(request->fl_file, request); + status = do_vfs_lock(state->inode, request); up_read(&nfsi->rwsem); goto out; } diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index f140e3dbfb7b..d9da5a4e9382 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -343,6 +343,9 @@ struct inode *ovl_d_select_inode(struct dentry *dentry, unsigned file_flags) struct path realpath; enum ovl_path_type type; + if (d_is_dir(dentry)) + return d_backing_inode(dentry); + type = ovl_path_real(dentry, &realpath); if (ovl_open_need_copy_up(file_flags, type, realpath.dentry)) { err = ovl_want_write(dentry); diff --git a/fs/pnode.h b/fs/pnode.h index 7114ce6e6b9e..0fcdbe7ca648 100644 --- a/fs/pnode.h +++ b/fs/pnode.h @@ -20,8 +20,6 @@ #define SET_MNT_MARK(m) ((m)->mnt.mnt_flags |= MNT_MARKED) #define CLEAR_MNT_MARK(m) ((m)->mnt.mnt_flags &= ~MNT_MARKED) #define IS_MNT_LOCKED(m) ((m)->mnt.mnt_flags & MNT_LOCKED) -#define IS_MNT_LOCKED_AND_LAZY(m) \ - (((m)->mnt.mnt_flags & (MNT_LOCKED|MNT_SYNC_UMOUNT)) == MNT_LOCKED) #define CL_EXPIRE 0x01 #define CL_SLAVE 0x02 diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig index d751fcb637bb..1ade1206bb89 100644 --- a/fs/proc/Kconfig +++ b/fs/proc/Kconfig @@ -75,3 +75,9 @@ config PROC_PAGE_MONITOR config PROC_CHILDREN bool "Include /proc/<pid>/task/<tid>/children file" default n + help + Provides a fast way to retrieve first level children pids of a task. See + <file:Documentation/filesystems/proc.txt> for more information. + + Say Y if you are running any user-space software which takes benefit from + this interface. For example, rkt is such a piece of software. diff --git a/fs/proc/base.c b/fs/proc/base.c index 87782e874b6a..aa50d1ac28fc 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -243,6 +243,11 @@ static ssize_t proc_pid_cmdline_read(struct file *file, char __user *buf, len1 = arg_end - arg_start; len2 = env_end - env_start; + /* Empty ARGV. */ + if (len1 == 0) { + rv = 0; + goto out_free_page; + } /* * Inherently racy -- command line shares address space * with code and data. diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c index 91a4e6426321..92e6726f6e37 100644 --- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -92,7 +92,7 @@ static size_t get_kcore_size(int *nphdr, size_t *elf_buflen) roundup(sizeof(CORE_STR), 4)) + roundup(sizeof(struct elf_prstatus), 4) + roundup(sizeof(struct elf_prpsinfo), 4) + - roundup(sizeof(struct task_struct), 4); + roundup(arch_task_struct_size, 4); *elf_buflen = PAGE_ALIGN(*elf_buflen); return size + *elf_buflen; } @@ -415,7 +415,7 @@ static void elf_kcore_store_hdr(char *bufp, int nphdr, int dataoff) /* set up the task structure */ notes[2].name = CORE_STR; notes[2].type = NT_TASKSTRUCT; - notes[2].datasz = sizeof(struct task_struct); + notes[2].datasz = arch_task_struct_size; notes[2].data = current; nhdr->p_filesz += notesize(¬es[2]); diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 6afac3d561ac..8d0b3ade0ff0 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1652,17 +1652,9 @@ static int udf_update_inode(struct inode *inode, int do_sync) iinfo->i_ext.i_data, inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry)); use->descTag.tagIdent = cpu_to_le16(TAG_IDENT_USE); - use->descTag.tagLocation = - cpu_to_le32(iinfo->i_location.logicalBlockNum); - crclen = sizeof(struct unallocSpaceEntry) + - iinfo->i_lenAlloc - sizeof(struct tag); - use->descTag.descCRCLength = cpu_to_le16(crclen); - use->descTag.descCRC = cpu_to_le16(crc_itu_t(0, (char *)use + - sizeof(struct tag), - crclen)); - use->descTag.tagChecksum = udf_tag_checksum(&use->descTag); + crclen = sizeof(struct unallocSpaceEntry); - goto out; + goto finish; } if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_FORGET)) @@ -1782,6 +1774,8 @@ static int udf_update_inode(struct inode *inode, int do_sync) efe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EFE); crclen = sizeof(struct extendedFileEntry); } + +finish: if (iinfo->i_strat4096) { fe->icbTag.strategyType = cpu_to_le16(4096); fe->icbTag.strategyParameter = cpu_to_le16(1); @@ -1791,7 +1785,9 @@ static int udf_update_inode(struct inode *inode, int do_sync) fe->icbTag.numEntries = cpu_to_le16(1); } - if (S_ISDIR(inode->i_mode)) + if (iinfo->i_use) + fe->icbTag.fileType = ICBTAG_FILE_TYPE_USE; + else if (S_ISDIR(inode->i_mode)) fe->icbTag.fileType = ICBTAG_FILE_TYPE_DIRECTORY; else if (S_ISREG(inode->i_mode)) fe->icbTag.fileType = ICBTAG_FILE_TYPE_REGULAR; @@ -1828,7 +1824,6 @@ static int udf_update_inode(struct inode *inode, int do_sync) crclen)); fe->descTag.tagChecksum = udf_tag_checksum(&fe->descTag); -out: set_buffer_uptodate(bh); unlock_buffer(bh); diff --git a/include/asm-generic/mm-arch-hooks.h b/include/asm-generic/mm-arch-hooks.h new file mode 100644 index 000000000000..5ff0e5193f85 --- /dev/null +++ b/include/asm-generic/mm-arch-hooks.h @@ -0,0 +1,16 @@ +/* + * Architecture specific mm hooks + */ + +#ifndef _ASM_GENERIC_MM_ARCH_HOOKS_H +#define _ASM_GENERIC_MM_ARCH_HOOKS_H + +/* + * This file should be included through arch/../include/asm/Kbuild for + * the architecture which doesn't need specific mm hooks. + * + * In that case, the generic hooks defined in include/linux/mm-arch-hooks.h + * are used. + */ + +#endif /* _ASM_GENERIC_MM_ARCH_HOOKS_H */ diff --git a/include/linux/amba/sp810.h b/include/linux/amba/sp810.h index c7df89f99115..58fe9e8b6fd7 100644 --- a/include/linux/amba/sp810.h +++ b/include/linux/amba/sp810.h @@ -2,7 +2,7 @@ * ARM PrimeXsys System Controller SP810 header file * * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/include/linux/ata.h b/include/linux/ata.h index fed36418dd1c..6c78956aa470 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -45,6 +45,7 @@ enum { ATA_SECT_SIZE = 512, ATA_MAX_SECTORS_128 = 128, ATA_MAX_SECTORS = 256, + ATA_MAX_SECTORS_1024 = 1024, ATA_MAX_SECTORS_LBA48 = 65535,/* TODO: 65536? */ ATA_MAX_SECTORS_TAPE = 65535, diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h index 58cfab80dd70..1b62d768c7df 100644 --- a/include/linux/blk-cgroup.h +++ b/include/linux/blk-cgroup.h @@ -47,6 +47,7 @@ struct blkcg { struct blkcg_policy_data *pd[BLKCG_MAX_POLS]; + struct list_head all_blkcgs_node; #ifdef CONFIG_CGROUP_WRITEBACK struct list_head cgwb_list; #endif @@ -88,18 +89,12 @@ struct blkg_policy_data { * Policies that need to keep per-blkcg data which is independent * from any request_queue associated to it must specify its size * with the cpd_size field of the blkcg_policy structure and - * embed a blkcg_policy_data in it. blkcg core allocates - * policy-specific per-blkcg structures lazily the first time - * they are actually needed, so it handles them together with - * blkgs. cpd_init() is invoked to let each policy handle - * per-blkcg data. + * embed a blkcg_policy_data in it. cpd_init() is invoked to let + * each policy handle per-blkcg data. */ struct blkcg_policy_data { /* the policy id this per-policy data belongs to */ int plid; - - /* used during policy activation */ - struct list_head alloc_node; }; /* association between a blk cgroup and a request queue */ diff --git a/include/linux/can/skb.h b/include/linux/can/skb.h index b6a52a4b457a..51bb6532785c 100644 --- a/include/linux/can/skb.h +++ b/include/linux/can/skb.h @@ -27,10 +27,12 @@ /** * struct can_skb_priv - private additional data inside CAN sk_buffs * @ifindex: ifindex of the first interface the CAN frame appeared on + * @skbcnt: atomic counter to have an unique id together with skb pointer * @cf: align to the following CAN frame at skb->data */ struct can_skb_priv { int ifindex; + int skbcnt; struct can_frame cf[0]; }; diff --git a/include/linux/clkdev.h b/include/linux/clkdev.h index a240b18e86fa..08bffcc466de 100644 --- a/include/linux/clkdev.h +++ b/include/linux/clkdev.h @@ -33,18 +33,19 @@ struct clk_lookup { } struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, - const char *dev_fmt, ...); + const char *dev_fmt, ...) __printf(3, 4); void clkdev_add(struct clk_lookup *cl); void clkdev_drop(struct clk_lookup *cl); struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id, - const char *dev_fmt, ...); + const char *dev_fmt, ...) __printf(3, 4); void clkdev_add_table(struct clk_lookup *, size_t); int clk_add_alias(const char *, const char *, const char *, struct device *); -int clk_register_clkdev(struct clk *, const char *, const char *, ...); +int clk_register_clkdev(struct clk *, const char *, const char *, ...) + __printf(3, 4); int clk_register_clkdevs(struct clk *, struct clk_lookup *, size_t); #ifdef CONFIG_COMMON_CLK diff --git a/include/linux/compat.h b/include/linux/compat.h index ab25814690bc..a76c9172b2eb 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -424,7 +424,7 @@ asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); -extern int compat_printk(const char *fmt, ...); +extern __printf(1, 2) int compat_printk(const char *fmt, ...); extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat); extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set); diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 7f8ad9593da7..e08a6ae7c0a4 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -17,11 +17,11 @@ # define __release(x) __context__(x,-1) # define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0) # define __percpu __attribute__((noderef, address_space(3))) +# define __pmem __attribute__((noderef, address_space(5))) #ifdef CONFIG_SPARSE_RCU_POINTER # define __rcu __attribute__((noderef, address_space(4))) #else # define __rcu -# define __pmem __attribute__((noderef, address_space(5))) #endif extern void __chk_user_ptr(const volatile void __user *); extern void __chk_io_ptr(const volatile void __iomem *); diff --git a/include/linux/configfs.h b/include/linux/configfs.h index c9e5c57e4edf..63a36e89d0eb 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h @@ -64,7 +64,8 @@ struct config_item { struct dentry *ci_dentry; }; -extern int config_item_set_name(struct config_item *, const char *, ...); +extern __printf(2, 3) +int config_item_set_name(struct config_item *, const char *, ...); static inline char *config_item_name(struct config_item * item) { diff --git a/include/linux/cper.h b/include/linux/cper.h index 76abba4b238e..dcacb1a72e26 100644 --- a/include/linux/cper.h +++ b/include/linux/cper.h @@ -340,7 +340,27 @@ struct cper_ia_proc_ctx { __u64 mm_reg_addr; }; -/* Memory Error Section */ +/* Old Memory Error Section UEFI 2.1, 2.2 */ +struct cper_sec_mem_err_old { + __u64 validation_bits; + __u64 error_status; + __u64 physical_addr; + __u64 physical_addr_mask; + __u16 node; + __u16 card; + __u16 module; + __u16 bank; + __u16 device; + __u16 row; + __u16 column; + __u16 bit_pos; + __u64 requestor_id; + __u64 responder_id; + __u64 target_id; + __u8 error_type; +}; + +/* Memory Error Section UEFI >= 2.3 */ struct cper_sec_mem_err { __u64 validation_bits; __u64 error_status; diff --git a/include/linux/cpu.h b/include/linux/cpu.h index c0fb6b1b4712..23c30bdcca86 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -40,9 +40,10 @@ extern void cpu_remove_dev_attr(struct device_attribute *attr); extern int cpu_add_dev_attr_group(struct attribute_group *attrs); extern void cpu_remove_dev_attr_group(struct attribute_group *attrs); -extern struct device *cpu_device_create(struct device *parent, void *drvdata, - const struct attribute_group **groups, - const char *fmt, ...); +extern __printf(4, 5) +struct device *cpu_device_create(struct device *parent, void *drvdata, + const struct attribute_group **groups, + const char *fmt, ...); #ifdef CONFIG_HOTPLUG_CPU extern void unregister_cpu(struct cpu *cpu); extern ssize_t arch_cpu_probe(const char *, size_t); diff --git a/include/linux/dcache.h b/include/linux/dcache.h index d2d50249b7b2..d67ae119cf4e 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -327,7 +327,8 @@ static inline unsigned d_count(const struct dentry *dentry) /* * helper function for dentry_operations.d_dname() members */ -extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...); +extern __printf(4, 5) +char *dynamic_dname(struct dentry *, char *, int, const char *, ...); extern char *simple_dname(struct dentry *, char *, int); extern char *__d_path(const struct path *, const struct path *, char *, int); diff --git a/include/linux/device.h b/include/linux/device.h index 5a31bf3a4024..a2b4ea70a946 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -637,8 +637,9 @@ extern int devres_release_group(struct device *dev, void *id); /* managed devm_k.alloc/kfree for device drivers */ extern void *devm_kmalloc(struct device *dev, size_t size, gfp_t gfp); -extern char *devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, - va_list ap); +extern __printf(3, 0) +char *devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, + va_list ap); extern __printf(3, 4) char *devm_kasprintf(struct device *dev, gfp_t gfp, const char *fmt, ...); static inline void *devm_kzalloc(struct device *dev, size_t size, gfp_t gfp) @@ -1011,12 +1012,10 @@ extern int __must_check device_reprobe(struct device *dev); /* * Easy functions for dynamically creating devices on the fly */ -extern struct device *device_create_vargs(struct class *cls, - struct device *parent, - dev_t devt, - void *drvdata, - const char *fmt, - va_list vargs); +extern __printf(5, 0) +struct device *device_create_vargs(struct class *cls, struct device *parent, + dev_t devt, void *drvdata, + const char *fmt, va_list vargs); extern __printf(5, 6) struct device *device_create(struct class *cls, struct device *parent, dev_t devt, void *drvdata, diff --git a/include/linux/fs.h b/include/linux/fs.h index a0653e560c26..cc008c338f5a 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1046,12 +1046,12 @@ extern void locks_remove_file(struct file *); extern void locks_release_private(struct file_lock *); extern void posix_test_lock(struct file *, struct file_lock *); extern int posix_lock_file(struct file *, struct file_lock *, struct file_lock *); -extern int posix_lock_file_wait(struct file *, struct file_lock *); +extern int posix_lock_inode_wait(struct inode *, struct file_lock *); extern int posix_unblock_lock(struct file_lock *); extern int vfs_test_lock(struct file *, struct file_lock *); extern int vfs_lock_file(struct file *, unsigned int, struct file_lock *, struct file_lock *); extern int vfs_cancel_lock(struct file *filp, struct file_lock *fl); -extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl); +extern int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl); extern int __break_lease(struct inode *inode, unsigned int flags, unsigned int type); extern void lease_get_mtime(struct inode *, struct timespec *time); extern int generic_setlease(struct file *, long, struct file_lock **, void **priv); @@ -1137,7 +1137,8 @@ static inline int posix_lock_file(struct file *filp, struct file_lock *fl, return -ENOLCK; } -static inline int posix_lock_file_wait(struct file *filp, struct file_lock *fl) +static inline int posix_lock_inode_wait(struct inode *inode, + struct file_lock *fl) { return -ENOLCK; } @@ -1163,8 +1164,8 @@ static inline int vfs_cancel_lock(struct file *filp, struct file_lock *fl) return 0; } -static inline int flock_lock_file_wait(struct file *filp, - struct file_lock *request) +static inline int flock_lock_inode_wait(struct inode *inode, + struct file_lock *request) { return -ENOLCK; } @@ -1202,6 +1203,20 @@ static inline void show_fd_locks(struct seq_file *f, struct file *filp, struct files_struct *files) {} #endif /* !CONFIG_FILE_LOCKING */ +static inline struct inode *file_inode(const struct file *f) +{ + return f->f_inode; +} + +static inline int posix_lock_file_wait(struct file *filp, struct file_lock *fl) +{ + return posix_lock_inode_wait(file_inode(filp), fl); +} + +static inline int flock_lock_file_wait(struct file *filp, struct file_lock *fl) +{ + return flock_lock_inode_wait(file_inode(filp), fl); +} struct fasync_struct { spinlock_t fa_lock; @@ -2011,11 +2026,6 @@ extern void ihold(struct inode * inode); extern void iput(struct inode *); extern int generic_update_time(struct inode *, struct timespec *, int); -static inline struct inode *file_inode(const struct file *f) -{ - return f->f_inode; -} - /* /sys/fs */ extern struct kobject *fs_kobj; diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 1da602982cf9..6cd8c0ee4b6f 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -116,6 +116,7 @@ ftrace_func_t ftrace_ops_get_func(struct ftrace_ops *ops); * SAVE_REGS. If another ops with this flag set is already registered * for any of the functions that this ops will be registered for, then * this ops will fail to register or set_filter_ip. + * PID - Is affected by set_ftrace_pid (allows filtering on those pids) */ enum { FTRACE_OPS_FL_ENABLED = 1 << 0, @@ -132,6 +133,7 @@ enum { FTRACE_OPS_FL_MODIFYING = 1 << 11, FTRACE_OPS_FL_ALLOC_TRAMP = 1 << 12, FTRACE_OPS_FL_IPMODIFY = 1 << 13, + FTRACE_OPS_FL_PID = 1 << 14, }; #ifdef CONFIG_DYNAMIC_FTRACE @@ -159,6 +161,7 @@ struct ftrace_ops { struct ftrace_ops *next; unsigned long flags; void *private; + ftrace_func_t saved_func; int __percpu *disabled; #ifdef CONFIG_DYNAMIC_FTRACE int nr_trampolines; diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index cc7ec129b329..c8393cd4d44f 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -45,7 +45,7 @@ struct seq_file; * @base: identifies the first GPIO number handled by this chip; * or, if negative during registration, requests dynamic ID allocation. * DEPRECATION: providing anything non-negative and nailing the base - * base offset of GPIO chips is deprecated. Please pass -1 as base to + * offset of GPIO chips is deprecated. Please pass -1 as base to * let gpiolib select the chip base in all possible cases. We want to * get rid of the static GPIO number space in the long run. * @ngpio: the number of GPIOs handled by this controller; the last GPIO diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h index 0042bf330b99..c02b5ce6c5cd 100644 --- a/include/linux/hid-sensor-hub.h +++ b/include/linux/hid-sensor-hub.h @@ -230,6 +230,7 @@ struct hid_sensor_common { struct platform_device *pdev; unsigned usage_id; atomic_t data_ready; + atomic_t user_requested_state; struct iio_trigger *trigger; struct hid_sensor_hub_attribute_info poll; struct hid_sensor_hub_attribute_info report_state; diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 205026175c42..d891f949466a 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -460,15 +460,14 @@ static inline spinlock_t *huge_pte_lockptr(struct hstate *h, return &mm->page_table_lock; } -static inline bool hugepages_supported(void) -{ - /* - * Some platform decide whether they support huge pages at boot - * time. On these, such as powerpc, HPAGE_SHIFT is set to 0 when - * there is no such support - */ - return HPAGE_SHIFT != 0; -} +#ifndef hugepages_supported +/* + * Some platform decide whether they support huge pages at boot + * time. Some of them, such as powerpc, set HPAGE_SHIFT to 0 + * when there is no such support + */ +#define hugepages_supported() (HPAGE_SHIFT != 0) +#endif #else /* CONFIG_HUGETLB_PAGE */ struct hstate {}; diff --git a/include/linux/init.h b/include/linux/init.h index 7c68c36d3fd8..b449f378f995 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -282,68 +282,8 @@ void __init parse_early_param(void); void __init parse_early_options(char *cmdline); #endif /* __ASSEMBLY__ */ -/** - * module_init() - driver initialization entry point - * @x: function to be run at kernel boot time or module insertion - * - * module_init() will either be called during do_initcalls() (if - * builtin) or at module insertion time (if a module). There can only - * be one per module. - */ -#define module_init(x) __initcall(x); - -/** - * module_exit() - driver exit entry point - * @x: function to be run when driver is removed - * - * module_exit() will wrap the driver clean-up code - * with cleanup_module() when used with rmmod when - * the driver is a module. If the driver is statically - * compiled into the kernel, module_exit() has no effect. - * There can only be one per module. - */ -#define module_exit(x) __exitcall(x); - #else /* MODULE */ -/* - * In most cases loadable modules do not need custom - * initcall levels. There are still some valid cases where - * a driver may be needed early if built in, and does not - * matter when built as a loadable module. Like bus - * snooping debug drivers. - */ -#define early_initcall(fn) module_init(fn) -#define core_initcall(fn) module_init(fn) -#define core_initcall_sync(fn) module_init(fn) -#define postcore_initcall(fn) module_init(fn) -#define postcore_initcall_sync(fn) module_init(fn) -#define arch_initcall(fn) module_init(fn) -#define subsys_initcall(fn) module_init(fn) -#define subsys_initcall_sync(fn) module_init(fn) -#define fs_initcall(fn) module_init(fn) -#define fs_initcall_sync(fn) module_init(fn) -#define rootfs_initcall(fn) module_init(fn) -#define device_initcall(fn) module_init(fn) -#define device_initcall_sync(fn) module_init(fn) -#define late_initcall(fn) module_init(fn) -#define late_initcall_sync(fn) module_init(fn) - -#define console_initcall(fn) module_init(fn) -#define security_initcall(fn) module_init(fn) - -/* Each module must use one module_init(). */ -#define module_init(initfn) \ - static inline initcall_t __inittest(void) \ - { return initfn; } \ - int init_module(void) __attribute__((alias(#initfn))); - -/* This is only required if you want to be unloadable. */ -#define module_exit(exitfn) \ - static inline exitcall_t __exittest(void) \ - { return exitfn; } \ - void cleanup_module(void) __attribute__((alias(#exitfn))); - #define __setup_param(str, unique_id, fn) /* nothing */ #define __setup(str, func) /* nothing */ #endif @@ -351,24 +291,6 @@ void __init parse_early_options(char *cmdline); /* Data marked not to be saved by software suspend */ #define __nosavedata __section(.data..nosave) -/* This means "can be init if no module support, otherwise module load - may call it." */ -#ifdef CONFIG_MODULES -#define __init_or_module -#define __initdata_or_module -#define __initconst_or_module -#define __INIT_OR_MODULE .text -#define __INITDATA_OR_MODULE .data -#define __INITRODATA_OR_MODULE .section ".rodata","a",%progbits -#else -#define __init_or_module __init -#define __initdata_or_module __initdata -#define __initconst_or_module __initconst -#define __INIT_OR_MODULE __INIT -#define __INITDATA_OR_MODULE __INITDATA -#define __INITRODATA_OR_MODULE __INITRODATA -#endif /*CONFIG_MODULES*/ - #ifdef MODULE #define __exit_p(x) x #else diff --git a/include/linux/iommu.h b/include/linux/iommu.h index dc767f7c3704..f9c1b6d0f2e4 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -258,7 +258,7 @@ extern int iommu_domain_set_attr(struct iommu_domain *domain, enum iommu_attr, void *data); struct device *iommu_device_create(struct device *parent, void *drvdata, const struct attribute_group **groups, - const char *fmt, ...); + const char *fmt, ...) __printf(4, 5); void iommu_device_destroy(struct device *dev); int iommu_device_link(struct device *dev, struct device *link); void iommu_device_unlink(struct device *dev, struct device *link); diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index 624a668e61f1..fcea4e48e21f 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -87,7 +87,12 @@ struct irq_desc { const char *name; } ____cacheline_internodealigned_in_smp; -#ifndef CONFIG_SPARSE_IRQ +#ifdef CONFIG_SPARSE_IRQ +extern void irq_lock_sparse(void); +extern void irq_unlock_sparse(void); +#else +static inline void irq_lock_sparse(void) { } +static inline void irq_unlock_sparse(void) { } extern struct irq_desc irq_desc[NR_IRQS]; #endif diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 5f0be58640ea..5582410727cb 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -411,7 +411,8 @@ extern __printf(3, 0) int vscnprintf(char *buf, size_t size, const char *fmt, va_list args); extern __printf(2, 3) char *kasprintf(gfp_t gfp, const char *fmt, ...); -extern char *kvasprintf(gfp_t gfp, const char *fmt, va_list args); +extern __printf(2, 0) +char *kvasprintf(gfp_t gfp, const char *fmt, va_list args); extern __scanf(2, 3) int sscanf(const char *, const char *, ...); @@ -679,10 +680,10 @@ do { \ __ftrace_vprintk(_THIS_IP_, fmt, vargs); \ } while (0) -extern int +extern __printf(2, 0) int __ftrace_vbprintk(unsigned long ip, const char *fmt, va_list ap); -extern int +extern __printf(2, 0) int __ftrace_vprintk(unsigned long ip, const char *fmt, va_list ap); extern void ftrace_dump(enum ftrace_dump_mode oops_dump_mode); @@ -702,7 +703,7 @@ int trace_printk(const char *fmt, ...) { return 0; } -static inline int +static __printf(1, 0) inline int ftrace_vprintk(const char *fmt, va_list ap) { return 0; diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 2d61b909f414..637f67002c5a 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -80,8 +80,9 @@ struct kobject { extern __printf(2, 3) int kobject_set_name(struct kobject *kobj, const char *name, ...); -extern int kobject_set_name_vargs(struct kobject *kobj, const char *fmt, - va_list vargs); +extern __printf(2, 0) +int kobject_set_name_vargs(struct kobject *kobj, const char *fmt, + va_list vargs); static inline const char *kobject_name(const struct kobject *kobj) { diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 9564fd78c547..05e99b8ef465 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -734,6 +734,24 @@ static inline bool kvm_arch_has_noncoherent_dma(struct kvm *kvm) return false; } #endif +#ifdef __KVM_HAVE_ARCH_ASSIGNED_DEVICE +void kvm_arch_start_assignment(struct kvm *kvm); +void kvm_arch_end_assignment(struct kvm *kvm); +bool kvm_arch_has_assigned_device(struct kvm *kvm); +#else +static inline void kvm_arch_start_assignment(struct kvm *kvm) +{ +} + +static inline void kvm_arch_end_assignment(struct kvm *kvm) +{ +} + +static inline bool kvm_arch_has_assigned_device(struct kvm *kvm) +{ + return false; +} +#endif static inline wait_queue_head_t *kvm_arch_vcpu_wq(struct kvm_vcpu *vcpu) { diff --git a/include/linux/libata.h b/include/linux/libata.h index 36ce37bcc963..c9cfbcdb8d14 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -431,6 +431,8 @@ enum { ATA_HORKAGE_WD_BROKEN_LPM = (1 << 21), /* some WDs have broken LPM */ ATA_HORKAGE_ZERO_AFTER_TRIM = (1 << 22),/* guarantees zero after trim */ ATA_HORKAGE_NO_NCQ_LOG = (1 << 23), /* don't use NCQ for log read */ + ATA_HORKAGE_NOTRIM = (1 << 24), /* don't use TRIM */ + ATA_HORKAGE_MAX_SEC_1024 = (1 << 25), /* Limit max sects to 1024 */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h index c5d52780d6a0..3ba327af055c 100644 --- a/include/linux/mmiotrace.h +++ b/include/linux/mmiotrace.h @@ -106,6 +106,6 @@ extern void enable_mmiotrace(void); extern void disable_mmiotrace(void); extern void mmio_trace_rw(struct mmiotrace_rw *rw); extern void mmio_trace_mapping(struct mmiotrace_map *map); -extern int mmio_trace_printk(const char *fmt, va_list args); +extern __printf(1, 0) int mmio_trace_printk(const char *fmt, va_list args); #endif /* _LINUX_MMIOTRACE_H */ diff --git a/include/linux/module.h b/include/linux/module.h index d67b1932cc59..3a19c79918e0 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -11,6 +11,7 @@ #include <linux/compiler.h> #include <linux/cache.h> #include <linux/kmod.h> +#include <linux/init.h> #include <linux/elf.h> #include <linux/stringify.h> #include <linux/kobject.h> @@ -71,6 +72,89 @@ extern struct module_attribute module_uevent; extern int init_module(void); extern void cleanup_module(void); +#ifndef MODULE +/** + * module_init() - driver initialization entry point + * @x: function to be run at kernel boot time or module insertion + * + * module_init() will either be called during do_initcalls() (if + * builtin) or at module insertion time (if a module). There can only + * be one per module. + */ +#define module_init(x) __initcall(x); + +/** + * module_exit() - driver exit entry point + * @x: function to be run when driver is removed + * + * module_exit() will wrap the driver clean-up code + * with cleanup_module() when used with rmmod when + * the driver is a module. If the driver is statically + * compiled into the kernel, module_exit() has no effect. + * There can only be one per module. + */ +#define module_exit(x) __exitcall(x); + +#else /* MODULE */ + +/* + * In most cases loadable modules do not need custom + * initcall levels. There are still some valid cases where + * a driver may be needed early if built in, and does not + * matter when built as a loadable module. Like bus + * snooping debug drivers. + */ +#define early_initcall(fn) module_init(fn) +#define core_initcall(fn) module_init(fn) +#define core_initcall_sync(fn) module_init(fn) +#define postcore_initcall(fn) module_init(fn) +#define postcore_initcall_sync(fn) module_init(fn) +#define arch_initcall(fn) module_init(fn) +#define subsys_initcall(fn) module_init(fn) +#define subsys_initcall_sync(fn) module_init(fn) +#define fs_initcall(fn) module_init(fn) +#define fs_initcall_sync(fn) module_init(fn) +#define rootfs_initcall(fn) module_init(fn) +#define device_initcall(fn) module_init(fn) +#define device_initcall_sync(fn) module_init(fn) +#define late_initcall(fn) module_init(fn) +#define late_initcall_sync(fn) module_init(fn) + +#define console_initcall(fn) module_init(fn) +#define security_initcall(fn) module_init(fn) + +/* Each module must use one module_init(). */ +#define module_init(initfn) \ + static inline initcall_t __inittest(void) \ + { return initfn; } \ + int init_module(void) __attribute__((alias(#initfn))); + +/* This is only required if you want to be unloadable. */ +#define module_exit(exitfn) \ + static inline exitcall_t __exittest(void) \ + { return exitfn; } \ + void cleanup_module(void) __attribute__((alias(#exitfn))); + +#endif + +/* This means "can be init if no module support, otherwise module load + may call it." */ +#ifdef CONFIG_MODULES +#define __init_or_module +#define __initdata_or_module +#define __initconst_or_module +#define __INIT_OR_MODULE .text +#define __INITDATA_OR_MODULE .data +#define __INITRODATA_OR_MODULE .section ".rodata","a",%progbits +#else +#define __init_or_module __init +#define __initdata_or_module __initdata +#define __initconst_or_module __initconst +#define __INIT_OR_MODULE __INIT +#define __INITDATA_OR_MODULE __INITDATA +#define __INITRODATA_OR_MODULE __INITRODATA +#endif /*CONFIG_MODULES*/ + /* Archs provide a method of finding the correct exception table. */ struct exception_table_entry; diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index f25e2bdd188c..272f42952f34 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -178,17 +178,17 @@ typedef enum { /* Chip may not exist, so silence any errors in scan */ #define NAND_SCAN_SILENT_NODEV 0x00040000 /* - * This option could be defined by controller drivers to protect against - * kmap'ed, vmalloc'ed highmem buffers being passed from upper layers - */ -#define NAND_USE_BOUNCE_BUFFER 0x00080000 -/* * Autodetect nand buswidth with readid/onfi. * This suppose the driver will configure the hardware in 8 bits mode * when calling nand_scan_ident, and update its configuration * before calling nand_scan_tail. */ #define NAND_BUSWIDTH_AUTO 0x00080000 +/* + * This option could be defined by controller drivers to protect against + * kmap'ed, vmalloc'ed highmem buffers being passed from upper layers + */ +#define NAND_USE_BOUNCE_BUFFER 0x00100000 /* Options set by nand scan */ /* Nand scan has allocated controller struct */ diff --git a/include/linux/page_owner.h b/include/linux/page_owner.h index b48c3471c254..cacaabea8a09 100644 --- a/include/linux/page_owner.h +++ b/include/linux/page_owner.h @@ -8,6 +8,7 @@ extern struct page_ext_operations page_owner_ops; extern void __reset_page_owner(struct page *page, unsigned int order); extern void __set_page_owner(struct page *page, unsigned int order, gfp_t gfp_mask); +extern gfp_t __get_page_owner_gfp(struct page *page); static inline void reset_page_owner(struct page *page, unsigned int order) { @@ -25,6 +26,14 @@ static inline void set_page_owner(struct page *page, __set_page_owner(page, order, gfp_mask); } + +static inline gfp_t get_page_owner_gfp(struct page *page) +{ + if (likely(!page_owner_inited)) + return 0; + + return __get_page_owner_gfp(page); +} #else static inline void reset_page_owner(struct page *page, unsigned int order) { @@ -33,6 +42,10 @@ static inline void set_page_owner(struct page *page, unsigned int order, gfp_t gfp_mask) { } +static inline gfp_t get_page_owner_gfp(struct page *page) +{ + return 0; +} #endif /* CONFIG_PAGE_OWNER */ #endif /* __LINUX_PAGE_OWNER_H */ diff --git a/include/linux/pata_arasan_cf_data.h b/include/linux/pata_arasan_cf_data.h index 3cc21c9cc1e8..9fade5dd2e86 100644 --- a/include/linux/pata_arasan_cf_data.h +++ b/include/linux/pata_arasan_cf_data.h @@ -4,7 +4,7 @@ * Arasan Compact Flash host controller platform data header file * * Copyright (C) 2011 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/include/linux/platform_data/mmc-esdhc-imx.h b/include/linux/platform_data/mmc-esdhc-imx.h index 75f70f6ac137..e1571efa3f2b 100644 --- a/include/linux/platform_data/mmc-esdhc-imx.h +++ b/include/linux/platform_data/mmc-esdhc-imx.h @@ -43,7 +43,6 @@ struct esdhc_platform_data { enum wp_types wp_type; enum cd_types cd_type; int max_bus_width; - unsigned int f_max; bool support_vsel; unsigned int delay_line; }; diff --git a/include/linux/printk.h b/include/linux/printk.h index 58b1fec40d37..a6298b27ac99 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -122,7 +122,7 @@ static inline __printf(1, 2) __cold void early_printk(const char *s, ...) { } #endif -typedef int(*printk_func_t)(const char *fmt, va_list args); +typedef __printf(1, 0) int (*printk_func_t)(const char *fmt, va_list args); #ifdef CONFIG_PRINTK asmlinkage __printf(5, 0) @@ -166,7 +166,7 @@ char *log_buf_addr_get(void); u32 log_buf_len_get(void); void log_buf_kexec_setup(void); void __init setup_log_buf(int early); -void dump_stack_set_arch_desc(const char *fmt, ...); +__printf(1, 2) void dump_stack_set_arch_desc(const char *fmt, ...); void dump_stack_print_info(const char *log_lvl); void show_regs_print_info(const char *log_lvl); #else @@ -217,7 +217,7 @@ static inline void setup_log_buf(int early) { } -static inline void dump_stack_set_arch_desc(const char *fmt, ...) +static inline __printf(1, 2) void dump_stack_set_arch_desc(const char *fmt, ...) { } diff --git a/include/linux/sched.h b/include/linux/sched.h index ae21f1591615..04b5ada460b4 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1522,8 +1522,6 @@ struct task_struct { /* hung task detection */ unsigned long last_switch_count; #endif -/* CPU-specific state of this task */ - struct thread_struct thread; /* filesystem information */ struct fs_struct *fs; /* open file information */ @@ -1778,8 +1776,22 @@ struct task_struct { unsigned long task_state_change; #endif int pagefault_disabled; +/* CPU-specific state of this task */ + struct thread_struct thread; +/* + * WARNING: on x86, 'thread_struct' contains a variable-sized + * structure. It *MUST* be at the end of 'task_struct'. + * + * Do not put anything below here! + */ }; +#ifdef CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT +extern int arch_task_struct_size __read_mostly; +#else +# define arch_task_struct_size (sizeof(struct task_struct)) +#endif + /* Future-safe accessor for struct task_struct's cpus_allowed. */ #define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed) diff --git a/include/linux/tick.h b/include/linux/tick.h index 3741ba1a652c..edbfc9a5293e 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -67,10 +67,13 @@ extern void tick_broadcast_control(enum tick_broadcast_mode mode); static inline void tick_broadcast_control(enum tick_broadcast_mode mode) { } #endif /* BROADCAST */ -#if defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) && defined(CONFIG_TICK_ONESHOT) +#ifdef CONFIG_GENERIC_CLOCKEVENTS extern int tick_broadcast_oneshot_control(enum tick_broadcast_state state); #else -static inline int tick_broadcast_oneshot_control(enum tick_broadcast_state state) { return 0; } +static inline int tick_broadcast_oneshot_control(enum tick_broadcast_state state) +{ + return 0; +} #endif static inline void tick_broadcast_enable(void) diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h index 3aa72e648650..6e191e4e6ab6 100644 --- a/include/linux/timekeeping.h +++ b/include/linux/timekeeping.h @@ -145,7 +145,6 @@ static inline void getboottime(struct timespec *ts) } #endif -#define do_posix_clock_monotonic_gettime(ts) ktime_get_ts(ts) #define ktime_get_real_ts64(ts) getnstimeofday64(ts) /* diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index 7c9b484735c5..1f6526c76ee8 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -80,6 +80,9 @@ #define CDC_NCM_TIMER_INTERVAL_MIN 5UL #define CDC_NCM_TIMER_INTERVAL_MAX (U32_MAX / NSEC_PER_USEC) +/* Driver flags */ +#define CDC_NCM_FLAG_NDP_TO_END 0x02 /* NDP is placed at end of frame */ + #define cdc_ncm_comm_intf_is_mbim(x) ((x)->desc.bInterfaceSubClass == USB_CDC_SUBCLASS_MBIM && \ (x)->desc.bInterfaceProtocol == USB_CDC_PROTO_NONE) #define cdc_ncm_data_intf_is_mbim(x) ((x)->desc.bInterfaceProtocol == USB_CDC_MBIM_PROTO_NTB) @@ -103,9 +106,11 @@ struct cdc_ncm_ctx { spinlock_t mtx; atomic_t stop; + int drvflags; u32 timer_interval; u32 max_ndp_size; + struct usb_cdc_ncm_ndp16 *delayed_ndp16; u32 tx_timer_pending; u32 tx_curr_frame_num; @@ -133,7 +138,7 @@ struct cdc_ncm_ctx { }; u8 cdc_ncm_select_altsetting(struct usb_interface *intf); -int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting); +int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags); void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf); struct sk_buff *cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign); int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in); diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index a741678f24a2..883fe1e7c5a1 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -4868,6 +4868,23 @@ bool cfg80211_reg_can_beacon(struct wiphy *wiphy, struct cfg80211_chan_def *chandef, enum nl80211_iftype iftype); +/** + * cfg80211_reg_can_beacon_relax - check if beaconing is allowed with relaxation + * @wiphy: the wiphy + * @chandef: the channel definition + * @iftype: interface type + * + * Return: %true if there is no secondary channel or the secondary channel(s) + * can be used for beaconing (i.e. is not a radar channel etc.). This version + * also checks if IR-relaxation conditions apply, to allow beaconing under + * more permissive conditions. + * + * Requires the RTNL to be held. + */ +bool cfg80211_reg_can_beacon_relax(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype); + /* * cfg80211_ch_switch_notify - update wdev channel and notify userspace * @dev: the device which switched channels diff --git a/include/net/ip.h b/include/net/ip.h index 0750a186ea63..d5fe9f2ab699 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -161,6 +161,7 @@ static inline __u8 get_rtconn_flags(struct ipcm_cookie* ipc, struct sock* sk) } /* datagram.c */ +int __ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len); int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len); void ip4_datagram_release_cb(struct sock *sk); diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 986fddb08579..b0f898e3b2e7 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1745,6 +1745,7 @@ struct ib_device { char node_desc[64]; __be64 node_guid; u32 local_dma_lkey; + u16 is_switch:1; u8 node_type; u8 phys_port_cnt; @@ -1824,6 +1825,20 @@ enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, u8 port_num); /** + * rdma_cap_ib_switch - Check if the device is IB switch + * @device: Device to check + * + * Device driver is responsible for setting is_switch bit on + * in ib_device structure at init time. + * + * Return: true if the device is IB switch. + */ +static inline bool rdma_cap_ib_switch(const struct ib_device *device) +{ + return device->is_switch; +} + +/** * rdma_start_port - Return the first valid port number for the device * specified * @@ -1833,7 +1848,7 @@ enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, */ static inline u8 rdma_start_port(const struct ib_device *device) { - return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1; + return rdma_cap_ib_switch(device) ? 0 : 1; } /** @@ -1846,8 +1861,7 @@ static inline u8 rdma_start_port(const struct ib_device *device) */ static inline u8 rdma_end_port(const struct ib_device *device) { - return (device->node_type == RDMA_NODE_IB_SWITCH) ? - 0 : device->phys_port_cnt; + return rdma_cap_ib_switch(device) ? 0 : device->phys_port_cnt; } static inline bool rdma_protocol_ib(const struct ib_device *device, u8 port_num) diff --git a/include/scsi/scsi_transport_srp.h b/include/scsi/scsi_transport_srp.h index cdb05dd1d440..d40d3ef25707 100644 --- a/include/scsi/scsi_transport_srp.h +++ b/include/scsi/scsi_transport_srp.h @@ -119,6 +119,7 @@ extern struct srp_rport *srp_rport_add(struct Scsi_Host *, extern void srp_rport_del(struct srp_rport *); extern int srp_tmo_valid(int reconnect_delay, int fast_io_fail_tmo, int dev_loss_tmo); +int srp_parse_tmo(int *tmo, const char *buf); extern int srp_reconnect_rport(struct srp_rport *rport); extern void srp_start_tl_fail_timers(struct srp_rport *rport); extern void srp_remove_host(struct Scsi_Host *); diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index b6fce900a833..d708a53b8fb1 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -614,6 +614,8 @@ struct drm_amdgpu_info_device { uint32_t vram_type; /** video memory bit width*/ uint32_t vram_bit_width; + /* vce harvesting instance */ + uint32_t vce_harvest_config; }; struct drm_amdgpu_info_hw_ip { diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 6e1a2ed116cb..db809b722985 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -1070,6 +1070,14 @@ struct drm_i915_reg_read { __u64 offset; __u64 val; /* Return value */ }; +/* Known registers: + * + * Render engine timestamp - 0x2358 + 64bit - gen7+ + * - Note this register returns an invalid value if using the default + * single instruction 8byte read, in order to workaround that use + * offset (0x2538 | 1) instead. + * + */ struct drm_i915_reset_stats { __u32 ctx_id; diff --git a/include/uapi/linux/netconf.h b/include/uapi/linux/netconf.h index 669a1f0b1d97..23cbd34e4ac7 100644 --- a/include/uapi/linux/netconf.h +++ b/include/uapi/linux/netconf.h @@ -15,6 +15,7 @@ enum { NETCONFA_RP_FILTER, NETCONFA_MC_FORWARDING, NETCONFA_PROXY_NEIGH, + NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN, __NETCONFA_MAX }; #define NETCONFA_MAX (__NETCONFA_MAX - 1) diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h index 7bbee79ca293..ec32293a00db 100644 --- a/include/uapi/linux/virtio_net.h +++ b/include/uapi/linux/virtio_net.h @@ -34,6 +34,7 @@ /* The feature bitmap for virtio net */ #define VIRTIO_NET_F_CSUM 0 /* Host handles pkts w/ partial csum */ #define VIRTIO_NET_F_GUEST_CSUM 1 /* Guest handles pkts w/ partial csum */ +#define VIRTIO_NET_F_CTRL_GUEST_OFFLOADS 2 /* Dynamic offload configuration. */ #define VIRTIO_NET_F_MAC 5 /* Host has given MAC address. */ #define VIRTIO_NET_F_GUEST_TSO4 7 /* Guest can handle TSOv4 in. */ #define VIRTIO_NET_F_GUEST_TSO6 8 /* Guest can handle TSOv6 in. */ @@ -226,4 +227,19 @@ struct virtio_net_ctrl_mq { #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000 +/* + * Control network offloads + * + * Reconfigures the network offloads that Guest can handle. + * + * Available with the VIRTIO_NET_F_CTRL_GUEST_OFFLOADS feature bit. + * + * Command data format matches the feature bit mask exactly. + * + * See VIRTIO_NET_F_GUEST_* for the list of offloads + * that can be enabled/disabled. + */ +#define VIRTIO_NET_CTRL_GUEST_OFFLOADS 5 +#define VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET 0 + #endif /* _LINUX_VIRTIO_NET_H */ diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h index 75301468359f..90007a1abcab 100644 --- a/include/uapi/linux/virtio_pci.h +++ b/include/uapi/linux/virtio_pci.h @@ -157,6 +157,12 @@ struct virtio_pci_common_cfg { __le32 queue_used_hi; /* read-write */ }; +/* Fields in VIRTIO_PCI_CAP_PCI_CFG: */ +struct virtio_pci_cfg_cap { + struct virtio_pci_cap cap; + __u8 pci_cfg_data[4]; /* Data for BAR access. */ +}; + /* Macro versions of offsets for the Old Timers! */ #define VIRTIO_PCI_CAP_VNDR 0 #define VIRTIO_PCI_CAP_NEXT 1 diff --git a/include/uapi/linux/virtio_ring.h b/include/uapi/linux/virtio_ring.h index 915980ac68df..c07295969b7e 100644 --- a/include/uapi/linux/virtio_ring.h +++ b/include/uapi/linux/virtio_ring.h @@ -31,6 +31,9 @@ * SUCH DAMAGE. * * Copyright Rusty Russell IBM Corporation 2007. */ +#ifndef __KERNEL__ +#include <stdint.h> +#endif #include <linux/types.h> #include <linux/virtio_types.h> @@ -143,7 +146,7 @@ static inline void vring_init(struct vring *vr, unsigned int num, void *p, vr->num = num; vr->desc = p; vr->avail = p + num*sizeof(struct vring_desc); - vr->used = (void *)(((unsigned long)&vr->avail->ring[num] + sizeof(__virtio16) + vr->used = (void *)(((uintptr_t)&vr->avail->ring[num] + sizeof(__virtio16) + align-1) & ~(align - 1)); } diff --git a/kernel/cpu.c b/kernel/cpu.c index 9c9c9fab16cc..5644ec5582b9 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -21,6 +21,7 @@ #include <linux/suspend.h> #include <linux/lockdep.h> #include <linux/tick.h> +#include <linux/irq.h> #include <trace/events/power.h> #include "smpboot.h" @@ -392,13 +393,19 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen) smpboot_park_threads(cpu); /* - * So now all preempt/rcu users must observe !cpu_active(). + * Prevent irq alloc/free while the dying cpu reorganizes the + * interrupt affinities. */ + irq_lock_sparse(); + /* + * So now all preempt/rcu users must observe !cpu_active(). + */ err = __stop_machine(take_cpu_down, &tcd_param, cpumask_of(cpu)); if (err) { /* CPU didn't die: tell everyone. Can't complain. */ cpu_notify_nofail(CPU_DOWN_FAILED | mod, hcpu); + irq_unlock_sparse(); goto out_release; } BUG_ON(cpu_online(cpu)); @@ -415,6 +422,9 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen) smp_mb(); /* Read from cpu_dead_idle before __cpu_die(). */ per_cpu(cpu_dead_idle, cpu) = false; + /* Interrupts are moved away from the dying cpu, reenable alloc/free */ + irq_unlock_sparse(); + hotplug_cpu__broadcast_tick_pull(cpu); /* This actually kills the CPU. */ __cpu_die(cpu); @@ -519,6 +529,7 @@ static int _cpu_up(unsigned int cpu, int tasks_frozen) /* Arch-specific enabling code. */ ret = __cpu_up(cpu, idle); + if (ret != 0) goto out_notify; BUG_ON(!cpu_online(cpu)); diff --git a/kernel/fork.c b/kernel/fork.c index 1bfefc6f96a4..dbd9b8d7b7cc 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -287,6 +287,11 @@ static void set_max_threads(unsigned int max_threads_suggested) max_threads = clamp_t(u64, threads, MIN_THREADS, MAX_THREADS); } +#ifdef CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT +/* Initialized by the architecture: */ +int arch_task_struct_size __read_mostly; +#endif + void __init fork_init(void) { #ifndef CONFIG_ARCH_TASK_STRUCT_ALLOCATOR @@ -295,7 +300,7 @@ void __init fork_init(void) #endif /* create a slab on which task_structs can be allocated */ task_struct_cachep = - kmem_cache_create("task_struct", sizeof(struct task_struct), + kmem_cache_create("task_struct", arch_task_struct_size, ARCH_MIN_TASKALIGN, SLAB_PANIC | SLAB_NOTRACK, NULL); #endif diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index 4834ee828c41..61008b8433ab 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -76,12 +76,8 @@ extern void unmask_threaded_irq(struct irq_desc *desc); #ifdef CONFIG_SPARSE_IRQ static inline void irq_mark_irq(unsigned int irq) { } -extern void irq_lock_sparse(void); -extern void irq_unlock_sparse(void); #else extern void irq_mark_irq(unsigned int irq); -static inline void irq_lock_sparse(void) { } -static inline void irq_unlock_sparse(void) { } #endif extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr); diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c index 9065107f083e..7a5237a1bce5 100644 --- a/kernel/irq/resend.c +++ b/kernel/irq/resend.c @@ -75,13 +75,21 @@ void check_irq_resend(struct irq_desc *desc, unsigned int irq) !desc->irq_data.chip->irq_retrigger(&desc->irq_data)) { #ifdef CONFIG_HARDIRQS_SW_RESEND /* - * If the interrupt has a parent irq and runs - * in the thread context of the parent irq, - * retrigger the parent. + * If the interrupt is running in the thread + * context of the parent irq we need to be + * careful, because we cannot trigger it + * directly. */ - if (desc->parent_irq && - irq_settings_is_nested_thread(desc)) + if (irq_settings_is_nested_thread(desc)) { + /* + * If the parent_irq is valid, we + * retrigger the parent, otherwise we + * do nothing. + */ + if (!desc->parent_irq) + return; irq = desc->parent_irq; + } /* Set it pending and activate the softirq: */ set_bit(irq, irqs_resend); tasklet_schedule(&resend_tasklet); diff --git a/kernel/resource.c b/kernel/resource.c index 90552aab5f2d..fed052a1bc9f 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -504,13 +504,13 @@ int region_is_ram(resource_size_t start, unsigned long size) { struct resource *p; resource_size_t end = start + size - 1; - int flags = IORESOURCE_MEM | IORESOURCE_BUSY; + unsigned long flags = IORESOURCE_MEM | IORESOURCE_BUSY; const char *name = "System RAM"; int ret = -1; read_lock(&resource_lock); for (p = iomem_resource.child; p ; p = p->sibling) { - if (end < p->start) + if (p->end < start) continue; if (p->start <= start && end <= p->end) { @@ -521,7 +521,7 @@ int region_is_ram(resource_size_t start, unsigned long size) ret = 1; break; } - if (p->end < start) + if (end < p->start) break; /* not found */ } read_unlock(&resource_lock); diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 65c8f3ebdc3c..d113c3ba8bc4 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3683,7 +3683,7 @@ static void throttle_cfs_rq(struct cfs_rq *cfs_rq) cfs_rq->throttled = 1; cfs_rq->throttled_clock = rq_clock(rq); raw_spin_lock(&cfs_b->lock); - empty = list_empty(&cfs_rq->throttled_list); + empty = list_empty(&cfs_b->throttled_cfs_rq); /* * Add to the _head_ of the list, so that an already-started diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c index 08ccc3da3ca0..50eb107f1198 100644 --- a/kernel/time/clockevents.c +++ b/kernel/time/clockevents.c @@ -120,19 +120,25 @@ static int __clockevents_switch_state(struct clock_event_device *dev, /* The clockevent device is getting replaced. Shut it down. */ case CLOCK_EVT_STATE_SHUTDOWN: - return dev->set_state_shutdown(dev); + if (dev->set_state_shutdown) + return dev->set_state_shutdown(dev); + return 0; case CLOCK_EVT_STATE_PERIODIC: /* Core internal bug */ if (!(dev->features & CLOCK_EVT_FEAT_PERIODIC)) return -ENOSYS; - return dev->set_state_periodic(dev); + if (dev->set_state_periodic) + return dev->set_state_periodic(dev); + return 0; case CLOCK_EVT_STATE_ONESHOT: /* Core internal bug */ if (!(dev->features & CLOCK_EVT_FEAT_ONESHOT)) return -ENOSYS; - return dev->set_state_oneshot(dev); + if (dev->set_state_oneshot) + return dev->set_state_oneshot(dev); + return 0; case CLOCK_EVT_STATE_ONESHOT_STOPPED: /* Core internal bug */ @@ -471,18 +477,6 @@ static int clockevents_sanity_check(struct clock_event_device *dev) if (dev->features & CLOCK_EVT_FEAT_DUMMY) return 0; - /* New state-specific callbacks */ - if (!dev->set_state_shutdown) - return -EINVAL; - - if ((dev->features & CLOCK_EVT_FEAT_PERIODIC) && - !dev->set_state_periodic) - return -EINVAL; - - if ((dev->features & CLOCK_EVT_FEAT_ONESHOT) && - !dev->set_state_oneshot) - return -EINVAL; - return 0; } diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index d39f32cdd1b5..f6aae7977824 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -159,7 +159,7 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu) { struct clock_event_device *bc = tick_broadcast_device.evtdev; unsigned long flags; - int ret; + int ret = 0; raw_spin_lock_irqsave(&tick_broadcast_lock, flags); @@ -221,13 +221,14 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu) * If we kept the cpu in the broadcast mask, * tell the caller to leave the per cpu device * in shutdown state. The periodic interrupt - * is delivered by the broadcast device. + * is delivered by the broadcast device, if + * the broadcast device exists and is not + * hrtimer based. */ - ret = cpumask_test_cpu(cpu, tick_broadcast_mask); + if (bc && !(bc->features & CLOCK_EVT_FEAT_HRTIMER)) + ret = cpumask_test_cpu(cpu, tick_broadcast_mask); break; default: - /* Nothing to do */ - ret = 0; break; } } @@ -265,8 +266,22 @@ static bool tick_do_broadcast(struct cpumask *mask) * Check, if the current cpu is in the mask */ if (cpumask_test_cpu(cpu, mask)) { + struct clock_event_device *bc = tick_broadcast_device.evtdev; + cpumask_clear_cpu(cpu, mask); - local = true; + /* + * We only run the local handler, if the broadcast + * device is not hrtimer based. Otherwise we run into + * a hrtimer recursion. + * + * local timer_interrupt() + * local_handler() + * expire_hrtimers() + * bc_handler() + * local_handler() + * expire_hrtimers() + */ + local = !(bc->features & CLOCK_EVT_FEAT_HRTIMER); } if (!cpumask_empty(mask)) { @@ -301,6 +316,13 @@ static void tick_handle_periodic_broadcast(struct clock_event_device *dev) bool bc_local; raw_spin_lock(&tick_broadcast_lock); + + /* Handle spurious interrupts gracefully */ + if (clockevent_state_shutdown(tick_broadcast_device.evtdev)) { + raw_spin_unlock(&tick_broadcast_lock); + return; + } + bc_local = tick_do_periodic_broadcast(); if (clockevent_state_oneshot(dev)) { @@ -359,8 +381,16 @@ void tick_broadcast_control(enum tick_broadcast_mode mode) case TICK_BROADCAST_ON: cpumask_set_cpu(cpu, tick_broadcast_on); if (!cpumask_test_and_set_cpu(cpu, tick_broadcast_mask)) { - if (tick_broadcast_device.mode == - TICKDEV_MODE_PERIODIC) + /* + * Only shutdown the cpu local device, if: + * + * - the broadcast device exists + * - the broadcast device is not a hrtimer based one + * - the broadcast device is in periodic mode to + * avoid a hickup during switch to oneshot mode + */ + if (bc && !(bc->features & CLOCK_EVT_FEAT_HRTIMER) && + tick_broadcast_device.mode == TICKDEV_MODE_PERIODIC) clockevents_shutdown(dev); } break; @@ -379,14 +409,16 @@ void tick_broadcast_control(enum tick_broadcast_mode mode) break; } - if (cpumask_empty(tick_broadcast_mask)) { - if (!bc_stopped) - clockevents_shutdown(bc); - } else if (bc_stopped) { - if (tick_broadcast_device.mode == TICKDEV_MODE_PERIODIC) - tick_broadcast_start_periodic(bc); - else - tick_broadcast_setup_oneshot(bc); + if (bc) { + if (cpumask_empty(tick_broadcast_mask)) { + if (!bc_stopped) + clockevents_shutdown(bc); + } else if (bc_stopped) { + if (tick_broadcast_device.mode == TICKDEV_MODE_PERIODIC) + tick_broadcast_start_periodic(bc); + else + tick_broadcast_setup_oneshot(bc); + } } raw_spin_unlock(&tick_broadcast_lock); } @@ -662,71 +694,82 @@ static void broadcast_shutdown_local(struct clock_event_device *bc, clockevents_switch_state(dev, CLOCK_EVT_STATE_SHUTDOWN); } -/** - * tick_broadcast_oneshot_control - Enter/exit broadcast oneshot mode - * @state: The target state (enter/exit) - * - * The system enters/leaves a state, where affected devices might stop - * Returns 0 on success, -EBUSY if the cpu is used to broadcast wakeups. - * - * Called with interrupts disabled, so clockevents_lock is not - * required here because the local clock event device cannot go away - * under us. - */ -int tick_broadcast_oneshot_control(enum tick_broadcast_state state) +int __tick_broadcast_oneshot_control(enum tick_broadcast_state state) { struct clock_event_device *bc, *dev; - struct tick_device *td; int cpu, ret = 0; ktime_t now; /* - * Periodic mode does not care about the enter/exit of power - * states + * If there is no broadcast device, tell the caller not to go + * into deep idle. */ - if (tick_broadcast_device.mode == TICKDEV_MODE_PERIODIC) - return 0; + if (!tick_broadcast_device.evtdev) + return -EBUSY; - /* - * We are called with preemtion disabled from the depth of the - * idle code, so we can't be moved away. - */ - td = this_cpu_ptr(&tick_cpu_device); - dev = td->evtdev; - - if (!(dev->features & CLOCK_EVT_FEAT_C3STOP)) - return 0; + dev = this_cpu_ptr(&tick_cpu_device)->evtdev; raw_spin_lock(&tick_broadcast_lock); bc = tick_broadcast_device.evtdev; cpu = smp_processor_id(); if (state == TICK_BROADCAST_ENTER) { + /* + * If the current CPU owns the hrtimer broadcast + * mechanism, it cannot go deep idle and we do not add + * the CPU to the broadcast mask. We don't have to go + * through the EXIT path as the local timer is not + * shutdown. + */ + ret = broadcast_needs_cpu(bc, cpu); + if (ret) + goto out; + + /* + * If the broadcast device is in periodic mode, we + * return. + */ + if (tick_broadcast_device.mode == TICKDEV_MODE_PERIODIC) { + /* If it is a hrtimer based broadcast, return busy */ + if (bc->features & CLOCK_EVT_FEAT_HRTIMER) + ret = -EBUSY; + goto out; + } + if (!cpumask_test_and_set_cpu(cpu, tick_broadcast_oneshot_mask)) { WARN_ON_ONCE(cpumask_test_cpu(cpu, tick_broadcast_pending_mask)); + + /* Conditionally shut down the local timer. */ broadcast_shutdown_local(bc, dev); + /* * We only reprogram the broadcast timer if we * did not mark ourself in the force mask and * if the cpu local event is earlier than the * broadcast event. If the current CPU is in * the force mask, then we are going to be - * woken by the IPI right away. + * woken by the IPI right away; we return + * busy, so the CPU does not try to go deep + * idle. */ - if (!cpumask_test_cpu(cpu, tick_broadcast_force_mask) && - dev->next_event.tv64 < bc->next_event.tv64) + if (cpumask_test_cpu(cpu, tick_broadcast_force_mask)) { + ret = -EBUSY; + } else if (dev->next_event.tv64 < bc->next_event.tv64) { tick_broadcast_set_event(bc, cpu, dev->next_event); + /* + * In case of hrtimer broadcasts the + * programming might have moved the + * timer to this cpu. If yes, remove + * us from the broadcast mask and + * return busy. + */ + ret = broadcast_needs_cpu(bc, cpu); + if (ret) { + cpumask_clear_cpu(cpu, + tick_broadcast_oneshot_mask); + } + } } - /* - * If the current CPU owns the hrtimer broadcast - * mechanism, it cannot go deep idle and we remove the - * CPU from the broadcast mask. We don't have to go - * through the EXIT path as the local timer is not - * shutdown. - */ - ret = broadcast_needs_cpu(bc, cpu); - if (ret) - cpumask_clear_cpu(cpu, tick_broadcast_oneshot_mask); } else { if (cpumask_test_and_clear_cpu(cpu, tick_broadcast_oneshot_mask)) { clockevents_switch_state(dev, CLOCK_EVT_STATE_ONESHOT); @@ -796,7 +839,6 @@ out: raw_spin_unlock(&tick_broadcast_lock); return ret; } -EXPORT_SYMBOL_GPL(tick_broadcast_oneshot_control); /* * Reset the one shot broadcast for a cpu @@ -938,6 +980,16 @@ bool tick_broadcast_oneshot_available(void) return bc ? bc->features & CLOCK_EVT_FEAT_ONESHOT : false; } +#else +int __tick_broadcast_oneshot_control(enum tick_broadcast_state state) +{ + struct clock_event_device *bc = tick_broadcast_device.evtdev; + + if (!bc || (bc->features & CLOCK_EVT_FEAT_HRTIMER)) + return -EBUSY; + + return 0; +} #endif void __init tick_broadcast_init(void) diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index 76446cb5dfe1..f8bf47571dda 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -343,6 +343,28 @@ out_bc: tick_install_broadcast_device(newdev); } +/** + * tick_broadcast_oneshot_control - Enter/exit broadcast oneshot mode + * @state: The target state (enter/exit) + * + * The system enters/leaves a state, where affected devices might stop + * Returns 0 on success, -EBUSY if the cpu is used to broadcast wakeups. + * + * Called with interrupts disabled, so clockevents_lock is not + * required here because the local clock event device cannot go away + * under us. + */ +int tick_broadcast_oneshot_control(enum tick_broadcast_state state) +{ + struct tick_device *td = this_cpu_ptr(&tick_cpu_device); + + if (!(td->evtdev->features & CLOCK_EVT_FEAT_C3STOP)) + return 0; + + return __tick_broadcast_oneshot_control(state); +} +EXPORT_SYMBOL_GPL(tick_broadcast_oneshot_control); + #ifdef CONFIG_HOTPLUG_CPU /* * Transfer the do_timer job away from a dying cpu. diff --git a/kernel/time/tick-sched.h b/kernel/time/tick-sched.h index 42fdf4958bcc..a4a8d4e9baa1 100644 --- a/kernel/time/tick-sched.h +++ b/kernel/time/tick-sched.h @@ -71,4 +71,14 @@ extern void tick_cancel_sched_timer(int cpu); static inline void tick_cancel_sched_timer(int cpu) { } #endif +#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST +extern int __tick_broadcast_oneshot_control(enum tick_broadcast_state state); +#else +static inline int +__tick_broadcast_oneshot_control(enum tick_broadcast_state state) +{ + return -EBUSY; +} +#endif + #endif diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 02bece4a99ea..eb11011b5292 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -98,6 +98,13 @@ struct ftrace_pid { struct pid *pid; }; +static bool ftrace_pids_enabled(void) +{ + return !list_empty(&ftrace_pids); +} + +static void ftrace_update_trampoline(struct ftrace_ops *ops); + /* * ftrace_disabled is set when an anomaly is discovered. * ftrace_disabled is much stronger than ftrace_enabled. @@ -109,7 +116,6 @@ static DEFINE_MUTEX(ftrace_lock); static struct ftrace_ops *ftrace_control_list __read_mostly = &ftrace_list_end; static struct ftrace_ops *ftrace_ops_list __read_mostly = &ftrace_list_end; ftrace_func_t ftrace_trace_function __read_mostly = ftrace_stub; -ftrace_func_t ftrace_pid_function __read_mostly = ftrace_stub; static struct ftrace_ops global_ops; static struct ftrace_ops control_ops; @@ -183,14 +189,7 @@ static void ftrace_pid_func(unsigned long ip, unsigned long parent_ip, if (!test_tsk_trace_trace(current)) return; - ftrace_pid_function(ip, parent_ip, op, regs); -} - -static void set_ftrace_pid_function(ftrace_func_t func) -{ - /* do not set ftrace_pid_function to itself! */ - if (func != ftrace_pid_func) - ftrace_pid_function = func; + op->saved_func(ip, parent_ip, op, regs); } /** @@ -202,7 +201,6 @@ static void set_ftrace_pid_function(ftrace_func_t func) void clear_ftrace_function(void) { ftrace_trace_function = ftrace_stub; - ftrace_pid_function = ftrace_stub; } static void control_ops_disable_all(struct ftrace_ops *ops) @@ -436,6 +434,12 @@ static int __register_ftrace_function(struct ftrace_ops *ops) } else add_ftrace_ops(&ftrace_ops_list, ops); + /* Always save the function, and reset at unregistering */ + ops->saved_func = ops->func; + + if (ops->flags & FTRACE_OPS_FL_PID && ftrace_pids_enabled()) + ops->func = ftrace_pid_func; + ftrace_update_trampoline(ops); if (ftrace_enabled) @@ -463,15 +467,28 @@ static int __unregister_ftrace_function(struct ftrace_ops *ops) if (ftrace_enabled) update_ftrace_function(); + ops->func = ops->saved_func; + return 0; } static void ftrace_update_pid_func(void) { + bool enabled = ftrace_pids_enabled(); + struct ftrace_ops *op; + /* Only do something if we are tracing something */ if (ftrace_trace_function == ftrace_stub) return; + do_for_each_ftrace_op(op, ftrace_ops_list) { + if (op->flags & FTRACE_OPS_FL_PID) { + op->func = enabled ? ftrace_pid_func : + op->saved_func; + ftrace_update_trampoline(op); + } + } while_for_each_ftrace_op(op); + update_ftrace_function(); } @@ -1133,7 +1150,8 @@ static struct ftrace_ops global_ops = { .local_hash.filter_hash = EMPTY_HASH, INIT_OPS_HASH(global_ops) .flags = FTRACE_OPS_FL_RECURSION_SAFE | - FTRACE_OPS_FL_INITIALIZED, + FTRACE_OPS_FL_INITIALIZED | + FTRACE_OPS_FL_PID, }; /* @@ -5023,7 +5041,9 @@ static void ftrace_update_trampoline(struct ftrace_ops *ops) static struct ftrace_ops global_ops = { .func = ftrace_stub, - .flags = FTRACE_OPS_FL_RECURSION_SAFE | FTRACE_OPS_FL_INITIALIZED, + .flags = FTRACE_OPS_FL_RECURSION_SAFE | + FTRACE_OPS_FL_INITIALIZED | + FTRACE_OPS_FL_PID, }; static int __init ftrace_nodyn_init(void) @@ -5080,11 +5100,6 @@ void ftrace_init_array_ops(struct trace_array *tr, ftrace_func_t func) if (WARN_ON(tr->ops->func != ftrace_stub)) printk("ftrace ops had %pS for function\n", tr->ops->func); - /* Only the top level instance does pid tracing */ - if (!list_empty(&ftrace_pids)) { - set_ftrace_pid_function(func); - func = ftrace_pid_func; - } } tr->ops->func = func; tr->ops->private = tr; @@ -5371,7 +5386,7 @@ static void *fpid_start(struct seq_file *m, loff_t *pos) { mutex_lock(&ftrace_lock); - if (list_empty(&ftrace_pids) && (!*pos)) + if (!ftrace_pids_enabled() && (!*pos)) return (void *) 1; return seq_list_start(&ftrace_pids, *pos); @@ -5610,6 +5625,7 @@ static struct ftrace_ops graph_ops = { .func = ftrace_stub, .flags = FTRACE_OPS_FL_RECURSION_SAFE | FTRACE_OPS_FL_INITIALIZED | + FTRACE_OPS_FL_PID | FTRACE_OPS_FL_STUB, #ifdef FTRACE_GRAPH_TRAMP_ADDR .trampoline = FTRACE_GRAPH_TRAMP_ADDR, diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index f060716b02ae..74bde81601a9 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -444,6 +444,7 @@ enum { TRACE_CONTROL_BIT, + TRACE_BRANCH_BIT, /* * Abuse of the trace_recursion. * As we need a way to maintain state if we are tracing the function diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c index a87b43f49eb4..e2e12ad3186f 100644 --- a/kernel/trace/trace_branch.c +++ b/kernel/trace/trace_branch.c @@ -36,9 +36,12 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) struct trace_branch *entry; struct ring_buffer *buffer; unsigned long flags; - int cpu, pc; + int pc; const char *p; + if (current->trace_recursion & TRACE_BRANCH_BIT) + return; + /* * I would love to save just the ftrace_likely_data pointer, but * this code can also be used by modules. Ugly things can happen @@ -49,10 +52,10 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) if (unlikely(!tr)) return; - local_irq_save(flags); - cpu = raw_smp_processor_id(); - data = per_cpu_ptr(tr->trace_buffer.data, cpu); - if (atomic_inc_return(&data->disabled) != 1) + raw_local_irq_save(flags); + current->trace_recursion |= TRACE_BRANCH_BIT; + data = this_cpu_ptr(tr->trace_buffer.data); + if (atomic_read(&data->disabled)) goto out; pc = preempt_count(); @@ -81,8 +84,8 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) __buffer_unlock_commit(buffer, event); out: - atomic_dec(&data->disabled); - local_irq_restore(flags); + current->trace_recursion &= ~TRACE_BRANCH_BIT; + raw_local_irq_restore(flags); } static inline diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan index 777eda7d1ab4..39f24d6721e5 100644 --- a/lib/Kconfig.kasan +++ b/lib/Kconfig.kasan @@ -18,10 +18,6 @@ config KASAN For better error detection enable CONFIG_STACKTRACE, and add slub_debug=U to boot cmdline. -config KASAN_SHADOW_OFFSET - hex - default 0xdffffc0000000000 if X86_64 - choice prompt "Instrumentation type" depends on KASAN diff --git a/lib/decompress.c b/lib/decompress.c index 528ff932d8e4..62696dff5730 100644 --- a/lib/decompress.c +++ b/lib/decompress.c @@ -59,8 +59,11 @@ decompress_fn __init decompress_method(const unsigned char *inbuf, long len, { const struct compress_format *cf; - if (len < 2) + if (len < 2) { + if (name) + *name = NULL; return NULL; /* Need at least this much... */ + } pr_debug("Compressed data magic: %#.2x %#.2x\n", inbuf[0], inbuf[1]); diff --git a/lib/dma-debug.c b/lib/dma-debug.c index ae4b65e17e64..dace71fe41f7 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -574,6 +574,9 @@ void debug_dma_assert_idle(struct page *page) unsigned long flags; phys_addr_t cln; + if (dma_debug_disabled()) + return; + if (!page) return; diff --git a/lib/hexdump.c b/lib/hexdump.c index 7ea09699855d..8d74c20d8595 100644 --- a/lib/hexdump.c +++ b/lib/hexdump.c @@ -11,6 +11,7 @@ #include <linux/ctype.h> #include <linux/kernel.h> #include <linux/export.h> +#include <asm/unaligned.h> const char hex_asc[] = "0123456789abcdef"; EXPORT_SYMBOL(hex_asc); @@ -139,7 +140,7 @@ int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, for (j = 0; j < ngroups; j++) { ret = snprintf(linebuf + lx, linebuflen - lx, "%s%16.16llx", j ? " " : "", - (unsigned long long)*(ptr8 + j)); + get_unaligned(ptr8 + j)); if (ret >= linebuflen - lx) goto overflow1; lx += ret; @@ -150,7 +151,7 @@ int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, for (j = 0; j < ngroups; j++) { ret = snprintf(linebuf + lx, linebuflen - lx, "%s%8.8x", j ? " " : "", - *(ptr4 + j)); + get_unaligned(ptr4 + j)); if (ret >= linebuflen - lx) goto overflow1; lx += ret; @@ -161,7 +162,7 @@ int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, for (j = 0; j < ngroups; j++) { ret = snprintf(linebuf + lx, linebuflen - lx, "%s%4.4x", j ? " " : "", - *(ptr2 + j)); + get_unaligned(ptr2 + j)); if (ret >= linebuflen - lx) goto overflow1; lx += ret; diff --git a/lib/kobject.c b/lib/kobject.c index 2e3bd01964a9..3e3a5c3cb330 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -337,8 +337,9 @@ error: } EXPORT_SYMBOL(kobject_init); -static int kobject_add_varg(struct kobject *kobj, struct kobject *parent, - const char *fmt, va_list vargs) +static __printf(3, 0) int kobject_add_varg(struct kobject *kobj, + struct kobject *parent, + const char *fmt, va_list vargs) { int retval; diff --git a/lib/rhashtable.c b/lib/rhashtable.c index a60a6d335a91..cc0c69710dcf 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -610,6 +610,8 @@ next: iter->skip = 0; } + iter->p = NULL; + /* Ensure we see any new tables. */ smp_rmb(); @@ -620,8 +622,6 @@ next: return ERR_PTR(-EAGAIN); } - iter->p = NULL; - return NULL; } EXPORT_SYMBOL_GPL(rhashtable_walk_next); diff --git a/mm/cma_debug.c b/mm/cma_debug.c index 7621ee34daa0..f8e4b60db167 100644 --- a/mm/cma_debug.c +++ b/mm/cma_debug.c @@ -39,7 +39,7 @@ static int cma_used_get(void *data, u64 *val) mutex_lock(&cma->lock); /* pages counter is smaller than sizeof(int) */ - used = bitmap_weight(cma->bitmap, (int)cma->count); + used = bitmap_weight(cma->bitmap, (int)cma_bitmap_maxno(cma)); mutex_unlock(&cma->lock); *val = (u64)used << cma->order_per_bit; @@ -52,13 +52,14 @@ static int cma_maxchunk_get(void *data, u64 *val) struct cma *cma = data; unsigned long maxchunk = 0; unsigned long start, end = 0; + unsigned long bitmap_maxno = cma_bitmap_maxno(cma); mutex_lock(&cma->lock); for (;;) { - start = find_next_zero_bit(cma->bitmap, cma->count, end); + start = find_next_zero_bit(cma->bitmap, bitmap_maxno, end); if (start >= cma->count) break; - end = find_next_bit(cma->bitmap, cma->count, start); + end = find_next_bit(cma->bitmap, bitmap_maxno, start); maxchunk = max(end - start, maxchunk); } mutex_unlock(&cma->lock); @@ -170,10 +171,10 @@ static void cma_debugfs_add_one(struct cma *cma, int idx) tmp = debugfs_create_dir(name, cma_debugfs_root); - debugfs_create_file("alloc", S_IWUSR, cma_debugfs_root, cma, + debugfs_create_file("alloc", S_IWUSR, tmp, cma, &cma_alloc_fops); - debugfs_create_file("free", S_IWUSR, cma_debugfs_root, cma, + debugfs_create_file("free", S_IWUSR, tmp, cma, &cma_free_fops); debugfs_create_file("base_pfn", S_IRUGO, tmp, diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 506eac8b38af..ef19f22b2b7d 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -246,9 +246,7 @@ static inline void reset_deferred_meminit(pg_data_t *pgdat) /* Returns true if the struct page for the pfn is uninitialised */ static inline bool __meminit early_page_uninitialised(unsigned long pfn) { - int nid = early_pfn_to_nid(pfn); - - if (pfn >= NODE_DATA(nid)->first_deferred_pfn) + if (pfn >= NODE_DATA(early_pfn_to_nid(pfn))->first_deferred_pfn) return true; return false; @@ -1950,6 +1948,7 @@ void free_hot_cold_page_list(struct list_head *list, bool cold) void split_page(struct page *page, unsigned int order) { int i; + gfp_t gfp_mask; VM_BUG_ON_PAGE(PageCompound(page), page); VM_BUG_ON_PAGE(!page_count(page), page); @@ -1963,10 +1962,11 @@ void split_page(struct page *page, unsigned int order) split_page(virt_to_page(page[0].shadow), order); #endif - set_page_owner(page, 0, 0); + gfp_mask = get_page_owner_gfp(page); + set_page_owner(page, 0, gfp_mask); for (i = 1; i < (1 << order); i++) { set_page_refcounted(page + i); - set_page_owner(page + i, 0, 0); + set_page_owner(page + i, 0, gfp_mask); } } EXPORT_SYMBOL_GPL(split_page); @@ -1996,6 +1996,8 @@ int __isolate_free_page(struct page *page, unsigned int order) zone->free_area[order].nr_free--; rmv_page_order(page); + set_page_owner(page, order, __GFP_MOVABLE); + /* Set the pageblock if the isolated page is at least a pageblock */ if (order >= pageblock_order - 1) { struct page *endpage = page + (1 << order) - 1; @@ -2007,7 +2009,7 @@ int __isolate_free_page(struct page *page, unsigned int order) } } - set_page_owner(page, order, 0); + return 1UL << order; } diff --git a/mm/page_owner.c b/mm/page_owner.c index bd5f842b56d2..983c3a10fa07 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -76,6 +76,13 @@ void __set_page_owner(struct page *page, unsigned int order, gfp_t gfp_mask) __set_bit(PAGE_EXT_OWNER, &page_ext->flags); } +gfp_t __get_page_owner_gfp(struct page *page) +{ + struct page_ext *page_ext = lookup_page_ext(page); + + return page_ext->gfp_mask; +} + static ssize_t print_page_owner(char __user *buf, size_t count, unsigned long pfn, struct page *page, struct page_ext *page_ext) diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 9dd49ca67dbc..6e70ddb158b4 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -704,6 +704,7 @@ static void p9_virtio_remove(struct virtio_device *vdev) mutex_unlock(&virtio_9p_lock); + vdev->config->reset(vdev); vdev->config->del_vqs(vdev); sysfs_remove_file(&(vdev->dev.kobj), &dev_attr_mount_tag.attr); diff --git a/net/ax25/ax25_subr.c b/net/ax25/ax25_subr.c index 1997538a5d23..3b78e8473a01 100644 --- a/net/ax25/ax25_subr.c +++ b/net/ax25/ax25_subr.c @@ -264,6 +264,7 @@ void ax25_disconnect(ax25_cb *ax25, int reason) { ax25_clear_queues(ax25); + ax25_stop_heartbeat(ax25); ax25_stop_t1timer(ax25); ax25_stop_t2timer(ax25); ax25_stop_t3timer(ax25); diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c index e97572b5d2cc..0ff6e1bbca91 100644 --- a/net/bridge/br_forward.c +++ b/net/bridge/br_forward.c @@ -42,6 +42,7 @@ int br_dev_queue_push_xmit(struct sock *sk, struct sk_buff *skb) } else { skb_push(skb, ETH_HLEN); br_drop_fake_rtable(skb); + skb_sender_cpu_clear(skb); dev_queue_xmit(skb); } diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index e29ad70b3000..1198a3dbad95 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -323,6 +323,7 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, struct net_bridge_port_group *p; struct net_bridge_port_group __rcu **pp; struct net_bridge_mdb_htable *mdb; + unsigned long now = jiffies; int err; mdb = mlock_dereference(br->mdb, br); @@ -347,8 +348,9 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, if (unlikely(!p)) return -ENOMEM; rcu_assign_pointer(*pp, p); + if (state == MDB_TEMPORARY) + mod_timer(&p->timer, now + br->multicast_membership_interval); - br_mdb_notify(br->dev, port, group, RTM_NEWMDB); return 0; } @@ -371,6 +373,7 @@ static int __br_mdb_add(struct net *net, struct net_bridge *br, if (!p || p->br != br || p->state == BR_STATE_DISABLED) return -EINVAL; + memset(&ip, 0, sizeof(ip)); ip.proto = entry->addr.proto; if (ip.proto == htons(ETH_P_IP)) ip.u.ip4 = entry->addr.u.ip4; @@ -417,20 +420,14 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry) if (!netif_running(br->dev) || br->multicast_disabled) return -EINVAL; + memset(&ip, 0, sizeof(ip)); ip.proto = entry->addr.proto; - if (ip.proto == htons(ETH_P_IP)) { - if (timer_pending(&br->ip4_other_query.timer)) - return -EBUSY; - + if (ip.proto == htons(ETH_P_IP)) ip.u.ip4 = entry->addr.u.ip4; #if IS_ENABLED(CONFIG_IPV6) - } else { - if (timer_pending(&br->ip6_other_query.timer)) - return -EBUSY; - + else ip.u.ip6 = entry->addr.u.ip6; #endif - } spin_lock_bh(&br->multicast_lock); mdb = mlock_dereference(br->mdb, br); diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 742a6c27d7a2..79db489cdade 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -39,6 +39,16 @@ static void br_multicast_start_querier(struct net_bridge *br, struct bridge_mcast_own_query *query); static void br_multicast_add_router(struct net_bridge *br, struct net_bridge_port *port); +static void br_ip4_multicast_leave_group(struct net_bridge *br, + struct net_bridge_port *port, + __be32 group, + __u16 vid); +#if IS_ENABLED(CONFIG_IPV6) +static void br_ip6_multicast_leave_group(struct net_bridge *br, + struct net_bridge_port *port, + const struct in6_addr *group, + __u16 vid); +#endif unsigned int br_mdb_rehash_seq; static inline int br_ip_equal(const struct br_ip *a, const struct br_ip *b) @@ -1010,9 +1020,15 @@ static int br_ip4_multicast_igmp3_report(struct net_bridge *br, continue; } - err = br_ip4_multicast_add_group(br, port, group, vid); - if (err) - break; + if ((type == IGMPV3_CHANGE_TO_INCLUDE || + type == IGMPV3_MODE_IS_INCLUDE) && + ntohs(grec->grec_nsrcs) == 0) { + br_ip4_multicast_leave_group(br, port, group, vid); + } else { + err = br_ip4_multicast_add_group(br, port, group, vid); + if (err) + break; + } } return err; @@ -1071,10 +1087,17 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br, continue; } - err = br_ip6_multicast_add_group(br, port, &grec->grec_mca, - vid); - if (err) - break; + if ((grec->grec_type == MLD2_CHANGE_TO_INCLUDE || + grec->grec_type == MLD2_MODE_IS_INCLUDE) && + ntohs(*nsrcs) == 0) { + br_ip6_multicast_leave_group(br, port, &grec->grec_mca, + vid); + } else { + err = br_ip6_multicast_add_group(br, port, + &grec->grec_mca, vid); + if (!err) + break; + } } return err; diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index d89f4fac0bc5..c8b9bcfe997e 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -111,7 +111,7 @@ static inline __be16 pppoe_proto(const struct sk_buff *skb) /* largest possible L2 header, see br_nf_dev_queue_xmit() */ #define NF_BRIDGE_MAX_MAC_HEADER_LENGTH (PPPOE_SES_HLEN + ETH_HLEN) -#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4) +#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4) || IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) struct brnf_frag_data { char mac[NF_BRIDGE_MAX_MAC_HEADER_LENGTH]; u8 encap_size; @@ -694,6 +694,7 @@ static int br_nf_push_frag_xmit(struct sock *sk, struct sk_buff *skb) } #endif +#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4) static int br_nf_ip_fragment(struct sock *sk, struct sk_buff *skb, int (*output)(struct sock *, struct sk_buff *)) { @@ -712,6 +713,7 @@ static int br_nf_ip_fragment(struct sock *sk, struct sk_buff *skb, return ip_do_fragment(sk, skb, output); } +#endif static unsigned int nf_bridge_mtu_reduction(const struct sk_buff *skb) { @@ -742,7 +744,7 @@ static int br_nf_dev_queue_xmit(struct sock *sk, struct sk_buff *skb) struct brnf_frag_data *data; if (br_validate_ipv4(skb)) - return NF_DROP; + goto drop; IPCB(skb)->frag_max_size = nf_bridge->frag_max_size; @@ -767,7 +769,7 @@ static int br_nf_dev_queue_xmit(struct sock *sk, struct sk_buff *skb) struct brnf_frag_data *data; if (br_validate_ipv6(skb)) - return NF_DROP; + goto drop; IP6CB(skb)->frag_max_size = nf_bridge->frag_max_size; @@ -782,12 +784,16 @@ static int br_nf_dev_queue_xmit(struct sock *sk, struct sk_buff *skb) if (v6ops) return v6ops->fragment(sk, skb, br_nf_push_frag_xmit); - else - return -EMSGSIZE; + + kfree_skb(skb); + return -EMSGSIZE; } #endif nf_bridge_info_free(skb); return br_dev_queue_push_xmit(sk, skb); + drop: + kfree_skb(skb); + return 0; } /* PF_BRIDGE/POST_ROUTING ********************************************/ diff --git a/net/bridge/br_netfilter_ipv6.c b/net/bridge/br_netfilter_ipv6.c index 6d12d2675c80..13b7d1e3d185 100644 --- a/net/bridge/br_netfilter_ipv6.c +++ b/net/bridge/br_netfilter_ipv6.c @@ -104,7 +104,7 @@ int br_validate_ipv6(struct sk_buff *skb) { const struct ipv6hdr *hdr; struct net_device *dev = skb->dev; - struct inet6_dev *idev = in6_dev_get(skb->dev); + struct inet6_dev *idev = __in6_dev_get(skb->dev); u32 pkt_len; u8 ip6h_len = sizeof(struct ipv6hdr); diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 6b67ed3831de..364bdc98bd9b 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -457,6 +457,8 @@ static int br_afspec(struct net_bridge *br, if (nla_len(attr) != sizeof(struct bridge_vlan_info)) return -EINVAL; vinfo = nla_data(attr); + if (!vinfo->vid || vinfo->vid >= VLAN_VID_MASK) + return -EINVAL; if (vinfo->flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) { if (vinfo_start) return -EINVAL; diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index 3cc71b9f5517..cc858919108e 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -121,12 +121,13 @@ static void caif_flow_ctrl(struct sock *sk, int mode) * Copied from sock.c:sock_queue_rcv_skb(), but changed so packets are * not dropped, but CAIF is sending flow off instead. */ -static int caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) +static void caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) { int err; unsigned long flags; struct sk_buff_head *list = &sk->sk_receive_queue; struct caifsock *cf_sk = container_of(sk, struct caifsock, sk); + bool queued = false; if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >= (unsigned int)sk->sk_rcvbuf && rx_flow_is_on(cf_sk)) { @@ -139,7 +140,8 @@ static int caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) err = sk_filter(sk, skb); if (err) - return err; + goto out; + if (!sk_rmem_schedule(sk, skb, skb->truesize) && rx_flow_is_on(cf_sk)) { set_rx_flow_off(cf_sk); net_dbg_ratelimited("sending flow OFF due to rmem_schedule\n"); @@ -147,21 +149,16 @@ static int caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) } skb->dev = NULL; skb_set_owner_r(skb, sk); - /* Cache the SKB length before we tack it onto the receive - * queue. Once it is added it no longer belongs to us and - * may be freed by other threads of control pulling packets - * from the queue. - */ spin_lock_irqsave(&list->lock, flags); - if (!sock_flag(sk, SOCK_DEAD)) + queued = !sock_flag(sk, SOCK_DEAD); + if (queued) __skb_queue_tail(list, skb); spin_unlock_irqrestore(&list->lock, flags); - - if (!sock_flag(sk, SOCK_DEAD)) +out: + if (queued) sk->sk_data_ready(sk); else kfree_skb(skb); - return 0; } /* Packet Receive Callback function called from CAIF Stack */ diff --git a/net/can/af_can.c b/net/can/af_can.c index 7933e62a7318..166d436196c1 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -89,6 +89,8 @@ struct timer_list can_stattimer; /* timer for statistics update */ struct s_stats can_stats; /* packet statistics */ struct s_pstats can_pstats; /* receive list statistics */ +static atomic_t skbcounter = ATOMIC_INIT(0); + /* * af_can socket functions */ @@ -310,12 +312,8 @@ int can_send(struct sk_buff *skb, int loop) return err; } - if (newskb) { - if (!(newskb->tstamp.tv64)) - __net_timestamp(newskb); - + if (newskb) netif_rx_ni(newskb); - } /* update statistics */ can_stats.tx_frames++; @@ -683,6 +681,10 @@ static void can_receive(struct sk_buff *skb, struct net_device *dev) can_stats.rx_frames++; can_stats.rx_frames_delta++; + /* create non-zero unique skb identifier together with *skb */ + while (!(can_skb_prv(skb)->skbcnt)) + can_skb_prv(skb)->skbcnt = atomic_inc_return(&skbcounter); + rcu_read_lock(); /* deliver the packet to sockets listening on all devices */ diff --git a/net/can/bcm.c b/net/can/bcm.c index b523453585be..a1ba6875c2a2 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -261,6 +261,7 @@ static void bcm_can_tx(struct bcm_op *op) can_skb_reserve(skb); can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; memcpy(skb_put(skb, CFSIZ), cf, CFSIZ); @@ -1217,6 +1218,7 @@ static int bcm_tx_send(struct msghdr *msg, int ifindex, struct sock *sk) } can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; skb->dev = dev; can_skb_set_owner(skb, sk); err = can_send(skb, 1); /* send with loopback */ diff --git a/net/can/raw.c b/net/can/raw.c index 31b9748cbb4e..2e67b1423cd3 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -75,7 +75,7 @@ MODULE_ALIAS("can-proto-1"); */ struct uniqframe { - ktime_t tstamp; + int skbcnt; const struct sk_buff *skb; unsigned int join_rx_count; }; @@ -133,7 +133,7 @@ static void raw_rcv(struct sk_buff *oskb, void *data) /* eliminate multiple filter matches for the same skb */ if (this_cpu_ptr(ro->uniq)->skb == oskb && - ktime_equal(this_cpu_ptr(ro->uniq)->tstamp, oskb->tstamp)) { + this_cpu_ptr(ro->uniq)->skbcnt == can_skb_prv(oskb)->skbcnt) { if (ro->join_filters) { this_cpu_inc(ro->uniq->join_rx_count); /* drop frame until all enabled filters matched */ @@ -144,7 +144,7 @@ static void raw_rcv(struct sk_buff *oskb, void *data) } } else { this_cpu_ptr(ro->uniq)->skb = oskb; - this_cpu_ptr(ro->uniq)->tstamp = oskb->tstamp; + this_cpu_ptr(ro->uniq)->skbcnt = can_skb_prv(oskb)->skbcnt; this_cpu_ptr(ro->uniq)->join_rx_count = 1; /* drop first frame to check all enabled filters? */ if (ro->join_filters && ro->count > 1) @@ -749,6 +749,7 @@ static int raw_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) can_skb_reserve(skb); can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; err = memcpy_from_msg(skb_put(skb, size), msg, size); if (err < 0) diff --git a/net/core/datagram.c b/net/core/datagram.c index b80fb91bb3f7..4967262b2707 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -131,6 +131,35 @@ out_noerr: goto out; } +static int skb_set_peeked(struct sk_buff *skb) +{ + struct sk_buff *nskb; + + if (skb->peeked) + return 0; + + /* We have to unshare an skb before modifying it. */ + if (!skb_shared(skb)) + goto done; + + nskb = skb_clone(skb, GFP_ATOMIC); + if (!nskb) + return -ENOMEM; + + skb->prev->next = nskb; + skb->next->prev = nskb; + nskb->prev = skb->prev; + nskb->next = skb->next; + + consume_skb(skb); + skb = nskb; + +done: + skb->peeked = 1; + + return 0; +} + /** * __skb_recv_datagram - Receive a datagram skbuff * @sk: socket @@ -165,7 +194,9 @@ out_noerr: struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, int *peeked, int *off, int *err) { + struct sk_buff_head *queue = &sk->sk_receive_queue; struct sk_buff *skb, *last; + unsigned long cpu_flags; long timeo; /* * Caller is allowed not to check sk->sk_err before skb_recv_datagram() @@ -184,8 +215,6 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, * Look at current nfs client by the way... * However, this function was correct in any case. 8) */ - unsigned long cpu_flags; - struct sk_buff_head *queue = &sk->sk_receive_queue; int _off = *off; last = (struct sk_buff *)queue; @@ -199,7 +228,11 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, _off -= skb->len; continue; } - skb->peeked = 1; + + error = skb_set_peeked(skb); + if (error) + goto unlock_err; + atomic_inc(&skb->users); } else __skb_unlink(skb, queue); @@ -223,6 +256,8 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, return NULL; +unlock_err: + spin_unlock_irqrestore(&queue->lock, cpu_flags); no_packet: *err = error; return NULL; @@ -622,7 +657,8 @@ __sum16 __skb_checksum_complete_head(struct sk_buff *skb, int len) !skb->csum_complete_sw) netdev_rx_csum_fault(skb->dev); } - skb->csum_valid = !sum; + if (!skb_shared(skb)) + skb->csum_valid = !sum; return sum; } EXPORT_SYMBOL(__skb_checksum_complete_head); @@ -642,11 +678,13 @@ __sum16 __skb_checksum_complete(struct sk_buff *skb) netdev_rx_csum_fault(skb->dev); } - /* Save full packet checksum */ - skb->csum = csum; - skb->ip_summed = CHECKSUM_COMPLETE; - skb->csum_complete_sw = 1; - skb->csum_valid = !sum; + if (!skb_shared(skb)) { + /* Save full packet checksum */ + skb->csum = csum; + skb->ip_summed = CHECKSUM_COMPLETE; + skb->csum_complete_sw = 1; + skb->csum_valid = !sum; + } return sum; } diff --git a/net/core/dev.c b/net/core/dev.c index 6778a9999d52..a8e4dd430285 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -677,10 +677,6 @@ int dev_get_iflink(const struct net_device *dev) if (dev->netdev_ops && dev->netdev_ops->ndo_get_iflink) return dev->netdev_ops->ndo_get_iflink(dev); - /* If dev->rtnl_link_ops is set, it's a virtual interface. */ - if (dev->rtnl_link_ops) - return 0; - return dev->ifindex; } EXPORT_SYMBOL(dev_get_iflink); @@ -3452,6 +3448,8 @@ static int enqueue_to_backlog(struct sk_buff *skb, int cpu, local_irq_save(flags); rps_lock(sd); + if (!netif_running(skb->dev)) + goto drop; qlen = skb_queue_len(&sd->input_pkt_queue); if (qlen <= netdev_max_backlog && !skb_flow_limit(skb, qlen)) { if (qlen) { @@ -3473,6 +3471,7 @@ enqueue: goto enqueue; } +drop: sd->dropped++; rps_unlock(sd); @@ -3775,8 +3774,6 @@ static int __netif_receive_skb_core(struct sk_buff *skb, bool pfmemalloc) pt_prev = NULL; - rcu_read_lock(); - another_round: skb->skb_iif = skb->dev->ifindex; @@ -3786,7 +3783,7 @@ another_round: skb->protocol == cpu_to_be16(ETH_P_8021AD)) { skb = skb_vlan_untag(skb); if (unlikely(!skb)) - goto unlock; + goto out; } #ifdef CONFIG_NET_CLS_ACT @@ -3816,10 +3813,10 @@ skip_taps: if (static_key_false(&ingress_needed)) { skb = handle_ing(skb, &pt_prev, &ret, orig_dev); if (!skb) - goto unlock; + goto out; if (nf_ingress(skb, &pt_prev, &ret, orig_dev) < 0) - goto unlock; + goto out; } #endif #ifdef CONFIG_NET_CLS_ACT @@ -3837,7 +3834,7 @@ ncls: if (vlan_do_receive(&skb)) goto another_round; else if (unlikely(!skb)) - goto unlock; + goto out; } rx_handler = rcu_dereference(skb->dev->rx_handler); @@ -3849,7 +3846,7 @@ ncls: switch (rx_handler(&skb)) { case RX_HANDLER_CONSUMED: ret = NET_RX_SUCCESS; - goto unlock; + goto out; case RX_HANDLER_ANOTHER: goto another_round; case RX_HANDLER_EXACT: @@ -3903,8 +3900,7 @@ drop: ret = NET_RX_DROP; } -unlock: - rcu_read_unlock(); +out: return ret; } @@ -3935,29 +3931,30 @@ static int __netif_receive_skb(struct sk_buff *skb) static int netif_receive_skb_internal(struct sk_buff *skb) { + int ret; + net_timestamp_check(netdev_tstamp_prequeue, skb); if (skb_defer_rx_timestamp(skb)) return NET_RX_SUCCESS; + rcu_read_lock(); + #ifdef CONFIG_RPS if (static_key_false(&rps_needed)) { struct rps_dev_flow voidflow, *rflow = &voidflow; - int cpu, ret; - - rcu_read_lock(); - - cpu = get_rps_cpu(skb->dev, skb, &rflow); + int cpu = get_rps_cpu(skb->dev, skb, &rflow); if (cpu >= 0) { ret = enqueue_to_backlog(skb, cpu, &rflow->last_qtail); rcu_read_unlock(); return ret; } - rcu_read_unlock(); } #endif - return __netif_receive_skb(skb); + ret = __netif_receive_skb(skb); + rcu_read_unlock(); + return ret; } /** @@ -4502,8 +4499,10 @@ static int process_backlog(struct napi_struct *napi, int quota) struct sk_buff *skb; while ((skb = __skb_dequeue(&sd->process_queue))) { + rcu_read_lock(); local_irq_enable(); __netif_receive_skb(skb); + rcu_read_unlock(); local_irq_disable(); input_queue_head_incr(sd); if (++work >= quota) { @@ -6139,6 +6138,7 @@ static void rollback_registered_many(struct list_head *head) unlist_netdevice(dev); dev->reg_state = NETREG_UNREGISTERING; + on_each_cpu(flush_backlog, dev, 1); } synchronize_net(); @@ -6409,7 +6409,8 @@ static int netif_alloc_netdev_queues(struct net_device *dev) struct netdev_queue *tx; size_t sz = count * sizeof(*tx); - BUG_ON(count < 1 || count > 0xffff); + if (count < 1 || count > 0xffff) + return -EINVAL; tx = kzalloc(sz, GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT); if (!tx) { @@ -6773,8 +6774,6 @@ void netdev_run_todo(void) dev->reg_state = NETREG_UNREGISTERED; - on_each_cpu(flush_backlog, dev, 1); - netdev_wait_allrefs(dev); /* paranoia */ diff --git a/net/core/dst.c b/net/core/dst.c index e956ce6d1378..002144bea935 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -284,7 +284,9 @@ void dst_release(struct dst_entry *dst) int newrefcnt; newrefcnt = atomic_dec_return(&dst->__refcnt); - WARN_ON(newrefcnt < 0); + if (unlikely(newrefcnt < 0)) + net_warn_ratelimited("%s: dst:%p refcnt:%d\n", + __func__, dst, newrefcnt); if (unlikely(dst->flags & DST_NOCACHE) && !newrefcnt) call_rcu(&dst->rcu_head, dst_destroy_rcu); } diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c index 9dfb88a933e7..92d886f4adcb 100644 --- a/net/core/gen_estimator.c +++ b/net/core/gen_estimator.c @@ -66,7 +66,7 @@ NOTES. - * avbps is scaled by 2^5, avpps is scaled by 2^10. + * avbps and avpps are scaled by 2^5. * both values are reported as 32 bit unsigned values. bps can overflow for fast links : max speed being 34360Mbit/sec * Minimal interval is HZ/4=250msec (it is the greatest common divisor @@ -85,10 +85,10 @@ struct gen_estimator struct gnet_stats_rate_est64 *rate_est; spinlock_t *stats_lock; int ewma_log; + u32 last_packets; + unsigned long avpps; u64 last_bytes; u64 avbps; - u32 last_packets; - u32 avpps; struct rcu_head e_rcu; struct rb_node node; struct gnet_stats_basic_cpu __percpu *cpu_bstats; @@ -118,8 +118,8 @@ static void est_timer(unsigned long arg) rcu_read_lock(); list_for_each_entry_rcu(e, &elist[idx].list, list) { struct gnet_stats_basic_packed b = {0}; + unsigned long rate; u64 brate; - u32 rate; spin_lock(e->stats_lock); read_lock(&est_lock); @@ -133,10 +133,11 @@ static void est_timer(unsigned long arg) e->avbps += (brate >> e->ewma_log) - (e->avbps >> e->ewma_log); e->rate_est->bps = (e->avbps+0xF)>>5; - rate = (b.packets - e->last_packets)<<(12 - idx); + rate = b.packets - e->last_packets; + rate <<= (7 - idx); e->last_packets = b.packets; e->avpps += (rate >> e->ewma_log) - (e->avpps >> e->ewma_log); - e->rate_est->pps = (e->avpps+0x1FF)>>10; + e->rate_est->pps = (e->avpps + 0xF) >> 5; skip: read_unlock(&est_lock); spin_unlock(e->stats_lock); diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 05badbb58865..1ebdf1c0d118 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -3571,13 +3571,6 @@ static int pktgen_thread_worker(void *arg) pr_debug("%s removing thread\n", t->tsk->comm); pktgen_rem_thread(t); - /* Wait for kthread_stop */ - while (!kthread_should_stop()) { - set_current_state(TASK_INTERRUPTIBLE); - schedule(); - } - __set_current_state(TASK_RUNNING); - return 0; } @@ -3769,6 +3762,7 @@ static int __net_init pktgen_create_thread(int cpu, struct pktgen_net *pn) } t->net = pn; + get_task_struct(p); wake_up_process(p); wait_for_completion(&t->start_done); @@ -3891,6 +3885,7 @@ static void __net_exit pg_net_exit(struct net *net) t = list_entry(q, struct pktgen_thread, th_list); list_del(&t->th_list); kthread_stop(t->tsk); + put_task_struct(t->tsk); kfree(t); } diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 01ced4a889e0..dc004b1e1f85 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1328,10 +1328,6 @@ static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = { [IFLA_INFO_SLAVE_DATA] = { .type = NLA_NESTED }, }; -static const struct nla_policy ifla_vfinfo_policy[IFLA_VF_INFO_MAX+1] = { - [IFLA_VF_INFO] = { .type = NLA_NESTED }, -}; - static const struct nla_policy ifla_vf_policy[IFLA_VF_MAX+1] = { [IFLA_VF_MAC] = { .len = sizeof(struct ifla_vf_mac) }, [IFLA_VF_VLAN] = { .len = sizeof(struct ifla_vf_vlan) }, @@ -1488,96 +1484,98 @@ static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[]) return 0; } -static int do_setvfinfo(struct net_device *dev, struct nlattr *attr) +static int do_setvfinfo(struct net_device *dev, struct nlattr **tb) { - int rem, err = -EINVAL; - struct nlattr *vf; const struct net_device_ops *ops = dev->netdev_ops; + int err = -EINVAL; - nla_for_each_nested(vf, attr, rem) { - switch (nla_type(vf)) { - case IFLA_VF_MAC: { - struct ifla_vf_mac *ivm; - ivm = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_mac) - err = ops->ndo_set_vf_mac(dev, ivm->vf, - ivm->mac); - break; - } - case IFLA_VF_VLAN: { - struct ifla_vf_vlan *ivv; - ivv = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_vlan) - err = ops->ndo_set_vf_vlan(dev, ivv->vf, - ivv->vlan, - ivv->qos); - break; - } - case IFLA_VF_TX_RATE: { - struct ifla_vf_tx_rate *ivt; - struct ifla_vf_info ivf; - ivt = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_get_vf_config) - err = ops->ndo_get_vf_config(dev, ivt->vf, - &ivf); - if (err) - break; - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_rate) - err = ops->ndo_set_vf_rate(dev, ivt->vf, - ivf.min_tx_rate, - ivt->rate); - break; - } - case IFLA_VF_RATE: { - struct ifla_vf_rate *ivt; - ivt = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_rate) - err = ops->ndo_set_vf_rate(dev, ivt->vf, - ivt->min_tx_rate, - ivt->max_tx_rate); - break; - } - case IFLA_VF_SPOOFCHK: { - struct ifla_vf_spoofchk *ivs; - ivs = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_spoofchk) - err = ops->ndo_set_vf_spoofchk(dev, ivs->vf, - ivs->setting); - break; - } - case IFLA_VF_LINK_STATE: { - struct ifla_vf_link_state *ivl; - ivl = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_link_state) - err = ops->ndo_set_vf_link_state(dev, ivl->vf, - ivl->link_state); - break; - } - case IFLA_VF_RSS_QUERY_EN: { - struct ifla_vf_rss_query_en *ivrssq_en; + if (tb[IFLA_VF_MAC]) { + struct ifla_vf_mac *ivm = nla_data(tb[IFLA_VF_MAC]); - ivrssq_en = nla_data(vf); - err = -EOPNOTSUPP; - if (ops->ndo_set_vf_rss_query_en) - err = ops->ndo_set_vf_rss_query_en(dev, - ivrssq_en->vf, - ivrssq_en->setting); - break; - } - default: - err = -EINVAL; - break; - } - if (err) - break; + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_mac) + err = ops->ndo_set_vf_mac(dev, ivm->vf, + ivm->mac); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_VLAN]) { + struct ifla_vf_vlan *ivv = nla_data(tb[IFLA_VF_VLAN]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_vlan) + err = ops->ndo_set_vf_vlan(dev, ivv->vf, ivv->vlan, + ivv->qos); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_TX_RATE]) { + struct ifla_vf_tx_rate *ivt = nla_data(tb[IFLA_VF_TX_RATE]); + struct ifla_vf_info ivf; + + err = -EOPNOTSUPP; + if (ops->ndo_get_vf_config) + err = ops->ndo_get_vf_config(dev, ivt->vf, &ivf); + if (err < 0) + return err; + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_rate) + err = ops->ndo_set_vf_rate(dev, ivt->vf, + ivf.min_tx_rate, + ivt->rate); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_RATE]) { + struct ifla_vf_rate *ivt = nla_data(tb[IFLA_VF_RATE]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_rate) + err = ops->ndo_set_vf_rate(dev, ivt->vf, + ivt->min_tx_rate, + ivt->max_tx_rate); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_SPOOFCHK]) { + struct ifla_vf_spoofchk *ivs = nla_data(tb[IFLA_VF_SPOOFCHK]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_spoofchk) + err = ops->ndo_set_vf_spoofchk(dev, ivs->vf, + ivs->setting); + if (err < 0) + return err; } + + if (tb[IFLA_VF_LINK_STATE]) { + struct ifla_vf_link_state *ivl = nla_data(tb[IFLA_VF_LINK_STATE]); + + err = -EOPNOTSUPP; + if (ops->ndo_set_vf_link_state) + err = ops->ndo_set_vf_link_state(dev, ivl->vf, + ivl->link_state); + if (err < 0) + return err; + } + + if (tb[IFLA_VF_RSS_QUERY_EN]) { + struct ifla_vf_rss_query_en *ivrssq_en; + + err = -EOPNOTSUPP; + ivrssq_en = nla_data(tb[IFLA_VF_RSS_QUERY_EN]); + if (ops->ndo_set_vf_rss_query_en) + err = ops->ndo_set_vf_rss_query_en(dev, ivrssq_en->vf, + ivrssq_en->setting); + if (err < 0) + return err; + } + return err; } @@ -1773,14 +1771,21 @@ static int do_setlink(const struct sk_buff *skb, } if (tb[IFLA_VFINFO_LIST]) { + struct nlattr *vfinfo[IFLA_VF_MAX + 1]; struct nlattr *attr; int rem; + nla_for_each_nested(attr, tb[IFLA_VFINFO_LIST], rem) { - if (nla_type(attr) != IFLA_VF_INFO) { + if (nla_type(attr) != IFLA_VF_INFO || + nla_len(attr) < NLA_HDRLEN) { err = -EINVAL; goto errout; } - err = do_setvfinfo(dev, attr); + err = nla_parse_nested(vfinfo, IFLA_VF_MAX, attr, + ifla_vf_policy); + if (err < 0) + goto errout; + err = do_setvfinfo(dev, vfinfo); if (err < 0) goto errout; status |= DO_SETLINK_NOTIFY; @@ -1799,10 +1804,13 @@ static int do_setlink(const struct sk_buff *skb, goto errout; nla_for_each_nested(attr, tb[IFLA_VF_PORTS], rem) { - if (nla_type(attr) != IFLA_VF_PORT) - continue; - err = nla_parse_nested(port, IFLA_PORT_MAX, - attr, ifla_port_policy); + if (nla_type(attr) != IFLA_VF_PORT || + nla_len(attr) < NLA_HDRLEN) { + err = -EINVAL; + goto errout; + } + err = nla_parse_nested(port, IFLA_PORT_MAX, attr, + ifla_port_policy); if (err < 0) goto errout; if (!port[IFLA_PORT_VF]) { diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 392e29a0227d..b445d492c115 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -630,7 +630,7 @@ static int dsa_of_probe(struct device *dev) continue; cd->sw_addr = be32_to_cpup(sw_addr); - if (cd->sw_addr > PHY_MAX_ADDR) + if (cd->sw_addr >= PHY_MAX_ADDR) continue; if (!of_property_read_u32(child, "eeprom-length", &eeprom_len)) @@ -642,6 +642,8 @@ static int dsa_of_probe(struct device *dev) continue; port_index = be32_to_cpup(port_reg); + if (port_index >= DSA_MAX_PORTS) + break; port_name = of_get_property(port, "label", NULL); if (!port_name) @@ -666,8 +668,6 @@ static int dsa_of_probe(struct device *dev) goto out_free_chip; } - if (port_index == DSA_MAX_PORTS) - break; } } diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c index 90c0e8386116..574fad9cca05 100644 --- a/net/ipv4/datagram.c +++ b/net/ipv4/datagram.c @@ -20,7 +20,7 @@ #include <net/route.h> #include <net/tcp_states.h> -int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) +int __ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) { struct inet_sock *inet = inet_sk(sk); struct sockaddr_in *usin = (struct sockaddr_in *) uaddr; @@ -39,8 +39,6 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) sk_dst_reset(sk); - lock_sock(sk); - oif = sk->sk_bound_dev_if; saddr = inet->inet_saddr; if (ipv4_is_multicast(usin->sin_addr.s_addr)) { @@ -82,9 +80,19 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) sk_dst_set(sk, &rt->dst); err = 0; out: - release_sock(sk); return err; } +EXPORT_SYMBOL(__ip4_datagram_connect); + +int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) +{ + int res; + + lock_sock(sk); + res = __ip4_datagram_connect(sk, uaddr, addr_len); + release_sock(sk); + return res; +} EXPORT_SYMBOL(ip4_datagram_connect); /* Because UDP xmit path can manipulate sk_dst_cache without holding diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 7498716e8f54..e813196c91c7 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1740,6 +1740,8 @@ static int inet_netconf_msgsize_devconf(int type) size += nla_total_size(4); if (type == -1 || type == NETCONFA_PROXY_NEIGH) size += nla_total_size(4); + if (type == -1 || type == NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN) + size += nla_total_size(4); return size; } @@ -1780,6 +1782,10 @@ static int inet_netconf_fill_devconf(struct sk_buff *skb, int ifindex, nla_put_s32(skb, NETCONFA_PROXY_NEIGH, IPV4_DEVCONF(*devconf, PROXY_ARP)) < 0) goto nla_put_failure; + if ((type == -1 || type == NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN) && + nla_put_s32(skb, NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN, + IPV4_DEVCONF(*devconf, IGNORE_ROUTES_WITH_LINKDOWN)) < 0) + goto nla_put_failure; nlmsg_end(skb, nlh); return 0; @@ -1819,6 +1825,7 @@ static const struct nla_policy devconf_ipv4_policy[NETCONFA_MAX+1] = { [NETCONFA_FORWARDING] = { .len = sizeof(int) }, [NETCONFA_RP_FILTER] = { .len = sizeof(int) }, [NETCONFA_PROXY_NEIGH] = { .len = sizeof(int) }, + [NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN] = { .len = sizeof(int) }, }; static int inet_netconf_get_devconf(struct sk_buff *in_skb, @@ -2048,6 +2055,12 @@ static int devinet_conf_proc(struct ctl_table *ctl, int write, inet_netconf_notify_devconf(net, NETCONFA_PROXY_NEIGH, ifindex, cnf); } + if (i == IPV4_DEVCONF_IGNORE_ROUTES_WITH_LINKDOWN - 1 && + new_value != old_value) { + ifindex = devinet_conf_ifindex(net, cnf); + inet_netconf_notify_devconf(net, NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN, + ifindex, cnf); + } } return ret; diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 9bc26677058e..c3b1f3a0f4cf 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -152,8 +152,8 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, inet6_sk(sk)->tclass) < 0) goto errout; - if (ipv6_only_sock(sk) && - nla_put_u8(skb, INET_DIAG_SKV6ONLY, 1)) + if (((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE)) && + nla_put_u8(skb, INET_DIAG_SKV6ONLY, ipv6_only_sock(sk))) goto errout; } #endif diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 5f9b063bbe8a..0cb9165421d4 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -624,22 +624,21 @@ EXPORT_SYMBOL_GPL(inet_hashinfo_init); int inet_ehash_locks_alloc(struct inet_hashinfo *hashinfo) { + unsigned int locksz = sizeof(spinlock_t); unsigned int i, nblocks = 1; - if (sizeof(spinlock_t) != 0) { + if (locksz != 0) { /* allocate 2 cache lines or at least one spinlock per cpu */ - nblocks = max_t(unsigned int, - 2 * L1_CACHE_BYTES / sizeof(spinlock_t), - 1); + nblocks = max(2U * L1_CACHE_BYTES / locksz, 1U); nblocks = roundup_pow_of_two(nblocks * num_possible_cpus()); /* no more locks than number of hash buckets */ nblocks = min(nblocks, hashinfo->ehash_mask + 1); - hashinfo->ehash_locks = kmalloc_array(nblocks, sizeof(spinlock_t), + hashinfo->ehash_locks = kmalloc_array(nblocks, locksz, GFP_KERNEL | __GFP_NOWARN); if (!hashinfo->ehash_locks) - hashinfo->ehash_locks = vmalloc(nblocks * sizeof(spinlock_t)); + hashinfo->ehash_locks = vmalloc(nblocks * locksz); if (!hashinfo->ehash_locks) return -ENOMEM; diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index a50dc6d408d1..31f71b15cfba 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -351,7 +351,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) ihl = ip_hdrlen(skb); /* Determine the position of this fragment. */ - end = offset + skb->len - ihl; + end = offset + skb->len - skb_network_offset(skb) - ihl; err = -EINVAL; /* Is this the final fragment? */ @@ -381,7 +381,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) goto err; err = -ENOMEM; - if (!pskb_pull(skb, ihl)) + if (!pskb_pull(skb, skb_network_offset(skb) + ihl)) goto err; err = pskb_trim_rcsum(skb, end - offset); @@ -641,6 +641,8 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, iph->frag_off = 0; } + ip_send_check(iph); + IP_INC_STATS_BH(net, IPSTATS_MIB_REASMOKS); qp->q.fragments = NULL; qp->q.fragments_tail = NULL; diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 4c2c3ba4ba65..626d9e56a6bd 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -586,7 +586,8 @@ int ip_tunnel_encap(struct sk_buff *skb, struct ip_tunnel *t, EXPORT_SYMBOL(ip_tunnel_encap); static int tnl_update_pmtu(struct net_device *dev, struct sk_buff *skb, - struct rtable *rt, __be16 df) + struct rtable *rt, __be16 df, + const struct iphdr *inner_iph) { struct ip_tunnel *tunnel = netdev_priv(dev); int pkt_size = skb->len - tunnel->hlen - dev->hard_header_len; @@ -603,7 +604,8 @@ static int tnl_update_pmtu(struct net_device *dev, struct sk_buff *skb, if (skb->protocol == htons(ETH_P_IP)) { if (!skb_is_gso(skb) && - (df & htons(IP_DF)) && mtu < pkt_size) { + (inner_iph->frag_off & htons(IP_DF)) && + mtu < pkt_size) { memset(IPCB(skb), 0, sizeof(*IPCB(skb))); icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu)); return -E2BIG; @@ -737,7 +739,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, goto tx_error; } - if (tnl_update_pmtu(dev, skb, rt, tnl_params->frag_off)) { + if (tnl_update_pmtu(dev, skb, rt, tnl_params->frag_off, inner_iph)) { ip_rt_put(rt); goto tx_error; } diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index 95c9b6eece25..92305a1a021a 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -254,9 +254,10 @@ unsigned int arpt_do_table(struct sk_buff *skb, static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long)))); unsigned int verdict = NF_DROP; const struct arphdr *arp; - struct arpt_entry *e, *back; + struct arpt_entry *e, **jumpstack; const char *indev, *outdev; const void *table_base; + unsigned int cpu, stackidx = 0; const struct xt_table_info *private; struct xt_action_param acpar; unsigned int addend; @@ -270,15 +271,16 @@ unsigned int arpt_do_table(struct sk_buff *skb, local_bh_disable(); addend = xt_write_recseq_begin(); private = table->private; + cpu = smp_processor_id(); /* * Ensure we load private-> members after we've fetched the base * pointer. */ smp_read_barrier_depends(); table_base = private->entries; + jumpstack = (struct arpt_entry **)private->jumpstack[cpu]; e = get_entry(table_base, private->hook_entry[hook]); - back = get_entry(table_base, private->underflow[hook]); acpar.in = state->in; acpar.out = state->out; @@ -312,18 +314,23 @@ unsigned int arpt_do_table(struct sk_buff *skb, verdict = (unsigned int)(-v) - 1; break; } - e = back; - back = get_entry(table_base, back->comefrom); + if (stackidx == 0) { + e = get_entry(table_base, + private->underflow[hook]); + } else { + e = jumpstack[--stackidx]; + e = arpt_next_entry(e); + } continue; } if (table_base + v != arpt_next_entry(e)) { - /* Save old back ptr in next entry */ - struct arpt_entry *next = arpt_next_entry(e); - next->comefrom = (void *)back - table_base; - /* set back pointer to next entry */ - back = next; + if (stackidx >= private->stacksize) { + verdict = NF_DROP; + break; + } + jumpstack[stackidx++] = e; } e = get_entry(table_base, v); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 684f095d196e..728f5b3d3c64 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1917,14 +1917,13 @@ void tcp_enter_loss(struct sock *sk) const struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; - bool new_recovery = false; + bool new_recovery = icsk->icsk_ca_state < TCP_CA_Recovery; bool is_reneg; /* is receiver reneging on SACKs? */ /* Reduce ssthresh if it has not yet been made inside this window. */ if (icsk->icsk_ca_state <= TCP_CA_Disorder || !after(tp->high_seq, tp->snd_una) || (icsk->icsk_ca_state == TCP_CA_Loss && !icsk->icsk_retransmits)) { - new_recovery = true; tp->prior_ssthresh = tcp_current_ssthresh(sk); tp->snd_ssthresh = icsk->icsk_ca_ops->ssthresh(sk); tcp_ca_event(sk, CA_EVENT_LOSS); diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index 62d908e64eeb..b10a88986a98 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -40,7 +40,7 @@ static bool ipv6_mapped_addr_any(const struct in6_addr *a) return ipv6_addr_v4mapped(a) && (a->s6_addr32[3] == 0); } -int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) +static int __ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) { struct sockaddr_in6 *usin = (struct sockaddr_in6 *) uaddr; struct inet_sock *inet = inet_sk(sk); @@ -56,7 +56,7 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) if (usin->sin6_family == AF_INET) { if (__ipv6_only_sock(sk)) return -EAFNOSUPPORT; - err = ip4_datagram_connect(sk, uaddr, addr_len); + err = __ip4_datagram_connect(sk, uaddr, addr_len); goto ipv4_connected; } @@ -98,9 +98,9 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) sin.sin_addr.s_addr = daddr->s6_addr32[3]; sin.sin_port = usin->sin6_port; - err = ip4_datagram_connect(sk, - (struct sockaddr *) &sin, - sizeof(sin)); + err = __ip4_datagram_connect(sk, + (struct sockaddr *) &sin, + sizeof(sin)); ipv4_connected: if (err) @@ -204,6 +204,16 @@ out: fl6_sock_release(flowlabel); return err; } + +int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) +{ + int res; + + lock_sock(sk); + res = __ip6_datagram_connect(sk, uaddr, addr_len); + release_sock(sk); + return res; +} EXPORT_SYMBOL_GPL(ip6_datagram_connect); int ip6_datagram_connect_v6_only(struct sock *sk, struct sockaddr *uaddr, diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index f2e464eba5ef..57990c929cd8 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -331,10 +331,10 @@ int ip6_mc_input(struct sk_buff *skb) if (offset < 0) goto out; - if (!ipv6_is_mld(skb, nexthdr, offset)) - goto out; + if (ipv6_is_mld(skb, nexthdr, offset)) + deliver = true; - deliver = true; + goto out; } /* unknown RA - process it normally */ } diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index e893cd18612f..08b62047c67f 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -292,8 +292,6 @@ static struct packet_offload ipv6_packet_offload __read_mostly = { static const struct net_offload sit_offload = { .callbacks = { .gso_segment = ipv6_gso_segment, - .gro_receive = ipv6_gro_receive, - .gro_complete = ipv6_gro_complete, }, }; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 1a1122a6bbf5..6090969937f8 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -369,10 +369,7 @@ static void ip6_dst_destroy(struct dst_entry *dst) struct inet6_dev *idev; dst_destroy_metrics_generic(dst); - - if (rt->rt6i_pcpu) - free_percpu(rt->rt6i_pcpu); - + free_percpu(rt->rt6i_pcpu); rt6_uncached_list_del(rt); idev = rt->rt6i_idev; diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index 29236e832e44..c09c0131bfa2 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -723,6 +723,7 @@ void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) debugfs_remove_recursive(sdata->vif.debugfs_dir); sdata->vif.debugfs_dir = NULL; + sdata->debugfs.subdir_stations = NULL; } void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index ed1edac14372..553ac6dd4867 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1863,10 +1863,6 @@ void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata) ieee80211_teardown_sdata(sdata); } -/* - * Remove all interfaces, may only be called at hardware unregistration - * time because it doesn't do RCU-safe list removals. - */ void ieee80211_remove_interfaces(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata, *tmp; @@ -1875,14 +1871,21 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local) ASSERT_RTNL(); - /* - * Close all AP_VLAN interfaces first, as otherwise they - * might be closed while the AP interface they belong to - * is closed, causing unregister_netdevice_many() to crash. + /* Before destroying the interfaces, make sure they're all stopped so + * that the hardware is stopped. Otherwise, the driver might still be + * iterating the interfaces during the shutdown, e.g. from a worker + * or from RX processing or similar, and if it does so (using atomic + * iteration) while we're manipulating the list, the iteration will + * crash. + * + * After this, the hardware should be stopped and the driver should + * have stopped all of its activities, so that we can do RCU-unaware + * manipulations of the interface list below. */ - list_for_each_entry(sdata, &local->interfaces, list) - if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) - dev_close(sdata->dev); + cfg80211_shutdown_all_interfaces(local->hw.wiphy); + + WARN(local->open_count, "%s: open count remains %d\n", + wiphy_name(local->hw.wiphy), local->open_count); mutex_lock(&local->iflist_mtx); list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) { diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 5438d13e2f00..3b59099413fb 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -306,7 +306,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, if (action == WLAN_SP_MESH_PEERING_CONFIRM) { /* AID */ pos = skb_put(skb, 2); - put_unaligned_le16(plid, pos + 2); + put_unaligned_le16(plid, pos); } if (ieee80211_add_srates_ie(sdata, skb, true, band) || ieee80211_add_ext_srates_ie(sdata, skb, true, band) || @@ -1122,6 +1122,9 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, WLAN_SP_MESH_PEERING_CONFIRM) { baseaddr += 4; baselen += 4; + + if (baselen > len) + return; } ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems); mesh_process_plink_frame(sdata, mgmt, &elems); diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index 06b60980c62c..b676b9fa707b 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -76,6 +76,22 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) if (sdata->vif.type != NL80211_IFTYPE_STATION) continue; ieee80211_mgd_quiesce(sdata); + /* If suspended during TX in progress, and wowlan + * is enabled (connection will be active) there + * can be a race where the driver is put out + * of power-save due to TX and during suspend + * dynamic_ps_timer is cancelled and TX packet + * is flushed, leaving the driver in ACTIVE even + * after resuming until dynamic_ps_timer puts + * driver back in DOZE. + */ + if (sdata->u.mgd.associated && + sdata->u.mgd.powersave && + !(local->hw.conf.flags & IEEE80211_CONF_PS)) { + local->hw.conf.flags |= IEEE80211_CONF_PS; + ieee80211_hw_config(local, + IEEE80211_CONF_CHANGE_PS); + } } err = drv_suspend(local, wowlan); diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c index ad31b2dab4f5..8db6e2994bbc 100644 --- a/net/mac80211/tdls.c +++ b/net/mac80211/tdls.c @@ -60,6 +60,7 @@ ieee80211_tdls_add_subband(struct ieee80211_sub_if_data *sdata, struct ieee80211_channel *ch; struct cfg80211_chan_def chandef; int i, subband_start; + struct wiphy *wiphy = sdata->local->hw.wiphy; for (i = start; i <= end; i += spacing) { if (!ch_cnt) @@ -70,9 +71,8 @@ ieee80211_tdls_add_subband(struct ieee80211_sub_if_data *sdata, /* we will be active on the channel */ cfg80211_chandef_create(&chandef, ch, NL80211_CHAN_NO_HT); - if (cfg80211_reg_can_beacon(sdata->local->hw.wiphy, - &chandef, - sdata->wdev.iftype)) { + if (cfg80211_reg_can_beacon_relax(wiphy, &chandef, + sdata->wdev.iftype)) { ch_cnt++; /* * check if the next channel is also part of diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 8410bb3bf5e8..b8233505bf9f 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1117,7 +1117,9 @@ static bool ieee80211_tx_prep_agg(struct ieee80211_tx_data *tx, queued = true; info->control.vif = &tx->sdata->vif; info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; - info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS; + info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS | + IEEE80211_TX_CTL_NO_PS_BUFFER | + IEEE80211_TX_STATUS_EOSP; __skb_queue_tail(&tid_tx->pending, skb); if (skb_queue_len(&tid_tx->pending) > STA_MAX_TX_BUFFER) purge_skb = __skb_dequeue(&tid_tx->pending); diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c index cd60d397fe05..8a8b2abc35ff 100644 --- a/net/netfilter/nf_queue.c +++ b/net/netfilter/nf_queue.c @@ -213,7 +213,7 @@ void nf_reinject(struct nf_queue_entry *entry, unsigned int verdict) if (verdict == NF_ACCEPT) { next_hook: - verdict = nf_iterate(&nf_hooks[entry->state.pf][entry->state.hook], + verdict = nf_iterate(entry->state.hook_list, skb, &entry->state, &elem); } diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index 8b117c90ecd7..0c0e8ecf02ab 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -269,6 +269,12 @@ static void nfnl_err_deliver(struct list_head *err_list, struct sk_buff *skb) } } +enum { + NFNL_BATCH_FAILURE = (1 << 0), + NFNL_BATCH_DONE = (1 << 1), + NFNL_BATCH_REPLAY = (1 << 2), +}; + static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh, u_int16_t subsys_id) { @@ -276,13 +282,15 @@ static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh, struct net *net = sock_net(skb->sk); const struct nfnetlink_subsystem *ss; const struct nfnl_callback *nc; - bool success = true, done = false; static LIST_HEAD(err_list); + u32 status; int err; if (subsys_id >= NFNL_SUBSYS_COUNT) return netlink_ack(skb, nlh, -EINVAL); replay: + status = 0; + skb = netlink_skb_clone(oskb, GFP_KERNEL); if (!skb) return netlink_ack(oskb, nlh, -ENOMEM); @@ -336,10 +344,10 @@ replay: if (type == NFNL_MSG_BATCH_BEGIN) { /* Malformed: Batch begin twice */ nfnl_err_reset(&err_list); - success = false; + status |= NFNL_BATCH_FAILURE; goto done; } else if (type == NFNL_MSG_BATCH_END) { - done = true; + status |= NFNL_BATCH_DONE; goto done; } else if (type < NLMSG_MIN_TYPE) { err = -EINVAL; @@ -382,11 +390,8 @@ replay: * original skb. */ if (err == -EAGAIN) { - nfnl_err_reset(&err_list); - ss->abort(oskb); - nfnl_unlock(subsys_id); - kfree_skb(skb); - goto replay; + status |= NFNL_BATCH_REPLAY; + goto next; } } ack: @@ -402,7 +407,7 @@ ack: */ nfnl_err_reset(&err_list); netlink_ack(skb, nlmsg_hdr(oskb), -ENOMEM); - success = false; + status |= NFNL_BATCH_FAILURE; goto done; } /* We don't stop processing the batch on errors, thus, @@ -410,19 +415,26 @@ ack: * triggers. */ if (err) - success = false; + status |= NFNL_BATCH_FAILURE; } - +next: msglen = NLMSG_ALIGN(nlh->nlmsg_len); if (msglen > skb->len) msglen = skb->len; skb_pull(skb, msglen); } done: - if (success && done) + if (status & NFNL_BATCH_REPLAY) { + ss->abort(oskb); + nfnl_err_reset(&err_list); + nfnl_unlock(subsys_id); + kfree_skb(skb); + goto replay; + } else if (status == NFNL_BATCH_DONE) { ss->commit(oskb); - else + } else { ss->abort(oskb); + } nfnl_err_deliver(&err_list, oskb); nfnl_unlock(subsys_id); diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index dea925388a5b..d8e2e3918ce2 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -158,7 +158,7 @@ static int __netlink_remove_tap(struct netlink_tap *nt) out: spin_unlock(&netlink_tap_lock); - if (found && nt->module) + if (found) module_put(nt->module); return found ? 0 : -ENODEV; @@ -357,25 +357,52 @@ err1: return NULL; } + +static void +__netlink_set_ring(struct sock *sk, struct nl_mmap_req *req, bool tx_ring, void **pg_vec, + unsigned int order) +{ + struct netlink_sock *nlk = nlk_sk(sk); + struct sk_buff_head *queue; + struct netlink_ring *ring; + + queue = tx_ring ? &sk->sk_write_queue : &sk->sk_receive_queue; + ring = tx_ring ? &nlk->tx_ring : &nlk->rx_ring; + + spin_lock_bh(&queue->lock); + + ring->frame_max = req->nm_frame_nr - 1; + ring->head = 0; + ring->frame_size = req->nm_frame_size; + ring->pg_vec_pages = req->nm_block_size / PAGE_SIZE; + + swap(ring->pg_vec_len, req->nm_block_nr); + swap(ring->pg_vec_order, order); + swap(ring->pg_vec, pg_vec); + + __skb_queue_purge(queue); + spin_unlock_bh(&queue->lock); + + WARN_ON(atomic_read(&nlk->mapped)); + + if (pg_vec) + free_pg_vec(pg_vec, order, req->nm_block_nr); +} + static int netlink_set_ring(struct sock *sk, struct nl_mmap_req *req, - bool closing, bool tx_ring) + bool tx_ring) { struct netlink_sock *nlk = nlk_sk(sk); struct netlink_ring *ring; - struct sk_buff_head *queue; void **pg_vec = NULL; unsigned int order = 0; - int err; ring = tx_ring ? &nlk->tx_ring : &nlk->rx_ring; - queue = tx_ring ? &sk->sk_write_queue : &sk->sk_receive_queue; - if (!closing) { - if (atomic_read(&nlk->mapped)) - return -EBUSY; - if (atomic_read(&ring->pending)) - return -EBUSY; - } + if (atomic_read(&nlk->mapped)) + return -EBUSY; + if (atomic_read(&ring->pending)) + return -EBUSY; if (req->nm_block_nr) { if (ring->pg_vec != NULL) @@ -407,31 +434,19 @@ static int netlink_set_ring(struct sock *sk, struct nl_mmap_req *req, return -EINVAL; } - err = -EBUSY; mutex_lock(&nlk->pg_vec_lock); - if (closing || atomic_read(&nlk->mapped) == 0) { - err = 0; - spin_lock_bh(&queue->lock); - - ring->frame_max = req->nm_frame_nr - 1; - ring->head = 0; - ring->frame_size = req->nm_frame_size; - ring->pg_vec_pages = req->nm_block_size / PAGE_SIZE; - - swap(ring->pg_vec_len, req->nm_block_nr); - swap(ring->pg_vec_order, order); - swap(ring->pg_vec, pg_vec); - - __skb_queue_purge(queue); - spin_unlock_bh(&queue->lock); - - WARN_ON(atomic_read(&nlk->mapped)); + if (atomic_read(&nlk->mapped) == 0) { + __netlink_set_ring(sk, req, tx_ring, pg_vec, order); + mutex_unlock(&nlk->pg_vec_lock); + return 0; } + mutex_unlock(&nlk->pg_vec_lock); if (pg_vec) free_pg_vec(pg_vec, order, req->nm_block_nr); - return err; + + return -EBUSY; } static void netlink_mm_open(struct vm_area_struct *vma) @@ -900,10 +915,10 @@ static void netlink_sock_destruct(struct sock *sk) memset(&req, 0, sizeof(req)); if (nlk->rx_ring.pg_vec) - netlink_set_ring(sk, &req, true, false); + __netlink_set_ring(sk, &req, false, NULL, 0); memset(&req, 0, sizeof(req)); if (nlk->tx_ring.pg_vec) - netlink_set_ring(sk, &req, true, true); + __netlink_set_ring(sk, &req, true, NULL, 0); } #endif /* CONFIG_NETLINK_MMAP */ @@ -2223,7 +2238,7 @@ static int netlink_setsockopt(struct socket *sock, int level, int optname, return -EINVAL; if (copy_from_user(&req, optval, sizeof(req))) return -EFAULT; - err = netlink_set_ring(sk, &req, false, + err = netlink_set_ring(sk, &req, optname == NETLINK_TX_RING); break; } diff --git a/net/openvswitch/flow_table.c b/net/openvswitch/flow_table.c index 4613df8c8290..65523948fb95 100644 --- a/net/openvswitch/flow_table.c +++ b/net/openvswitch/flow_table.c @@ -752,7 +752,7 @@ int ovs_flow_init(void) BUILD_BUG_ON(sizeof(struct sw_flow_key) % sizeof(long)); flow_cache = kmem_cache_create("sw_flow", sizeof(struct sw_flow) - + (num_possible_nodes() + + (nr_node_ids * sizeof(struct flow_stats *)), 0, 0, NULL); if (flow_cache == NULL) diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c index 273b8bff6ba4..657ba9f5d308 100644 --- a/net/rds/ib_rdma.c +++ b/net/rds/ib_rdma.c @@ -759,8 +759,10 @@ void *rds_ib_get_mr(struct scatterlist *sg, unsigned long nents, } ibmr = rds_ib_alloc_fmr(rds_ibdev); - if (IS_ERR(ibmr)) + if (IS_ERR(ibmr)) { + rds_ib_dev_put(rds_ibdev); return ibmr; + } ret = rds_ib_map_fmr(rds_ibdev, ibmr, sg, nents); if (ret == 0) diff --git a/net/rds/transport.c b/net/rds/transport.c index 8b4a6cd2c3a7..83498e1c75b8 100644 --- a/net/rds/transport.c +++ b/net/rds/transport.c @@ -73,7 +73,7 @@ EXPORT_SYMBOL_GPL(rds_trans_unregister); void rds_trans_put(struct rds_transport *trans) { - if (trans && trans->t_owner) + if (trans) module_put(trans->t_owner); } diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c index 1d56903fd4c7..1df78289e248 100644 --- a/net/sched/act_bpf.c +++ b/net/sched/act_bpf.c @@ -339,6 +339,9 @@ static void tcf_bpf_cleanup(struct tc_action *act, int bind) bpf_prog_put(prog->filter); else bpf_prog_destroy(prog->filter); + + kfree(prog->bpf_ops); + kfree(prog->bpf_name); } static struct tc_action_ops act_bpf_ops __read_mostly = { diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c index c79ecfd36e0f..e5168f8b9640 100644 --- a/net/sched/cls_bpf.c +++ b/net/sched/cls_bpf.c @@ -378,7 +378,7 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb, goto errout; if (oldprog) { - list_replace_rcu(&prog->link, &oldprog->link); + list_replace_rcu(&oldprog->link, &prog->link); tcf_unbind_filter(tp, &oldprog->res); call_rcu(&oldprog->rcu, __cls_bpf_delete_prog); } else { diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c index 76bc3a20ffdb..bb2a0f529c1f 100644 --- a/net/sched/cls_flow.c +++ b/net/sched/cls_flow.c @@ -425,6 +425,8 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, if (!fnew) goto err2; + tcf_exts_init(&fnew->exts, TCA_FLOW_ACT, TCA_FLOW_POLICE); + fold = (struct flow_filter *)*arg; if (fold) { err = -EINVAL; @@ -486,7 +488,6 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, fnew->mask = ~0U; fnew->tp = tp; get_random_bytes(&fnew->hashrnd, 4); - tcf_exts_init(&fnew->exts, TCA_FLOW_ACT, TCA_FLOW_POLICE); } fnew->perturb_timer.function = flow_perturbation; @@ -526,7 +527,7 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, if (*arg == 0) list_add_tail_rcu(&fnew->list, &head->filters); else - list_replace_rcu(&fnew->list, &fold->list); + list_replace_rcu(&fold->list, &fnew->list); *arg = (unsigned long)fnew; diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index 9d37ccd95062..2f3d03f99487 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -499,7 +499,7 @@ static int fl_change(struct net *net, struct sk_buff *in_skb, *arg = (unsigned long) fnew; if (fold) { - list_replace_rcu(&fnew->list, &fold->list); + list_replace_rcu(&fold->list, &fnew->list); tcf_unbind_filter(tp, &fold->res); call_rcu(&fold->rcu, fl_destroy_filter); } else { diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c index d75993f89fac..21ca33c9f036 100644 --- a/net/sched/sch_fq_codel.c +++ b/net/sched/sch_fq_codel.c @@ -155,14 +155,23 @@ static unsigned int fq_codel_drop(struct Qdisc *sch) skb = dequeue_head(flow); len = qdisc_pkt_len(skb); q->backlogs[idx] -= len; - kfree_skb(skb); sch->q.qlen--; qdisc_qstats_drop(sch); qdisc_qstats_backlog_dec(sch, skb); + kfree_skb(skb); flow->dropped++; return idx; } +static unsigned int fq_codel_qdisc_drop(struct Qdisc *sch) +{ + unsigned int prev_backlog; + + prev_backlog = sch->qstats.backlog; + fq_codel_drop(sch); + return prev_backlog - sch->qstats.backlog; +} + static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch) { struct fq_codel_sched_data *q = qdisc_priv(sch); @@ -604,7 +613,7 @@ static struct Qdisc_ops fq_codel_qdisc_ops __read_mostly = { .enqueue = fq_codel_enqueue, .dequeue = fq_codel_dequeue, .peek = qdisc_peek_dequeued, - .drop = fq_codel_drop, + .drop = fq_codel_qdisc_drop, .init = fq_codel_init, .reset = fq_codel_reset, .destroy = fq_codel_destroy, diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 7d1492663360..52f75a5473e1 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -306,10 +306,10 @@ drop: len = qdisc_pkt_len(skb); slot->backlog -= len; sfq_dec(q, x); - kfree_skb(skb); sch->q.qlen--; qdisc_qstats_drop(sch); qdisc_qstats_backlog_dec(sch, skb); + kfree_skb(skb); return len; } diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index 84f77a054025..9f2add3cba26 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c @@ -171,8 +171,10 @@ int switchdev_port_attr_set(struct net_device *dev, struct switchdev_attr *attr) * released. */ - attr->trans = SWITCHDEV_TRANS_ABORT; - __switchdev_port_attr_set(dev, attr); + if (err != -EOPNOTSUPP) { + attr->trans = SWITCHDEV_TRANS_ABORT; + __switchdev_port_attr_set(dev, attr); + } return err; } @@ -249,8 +251,10 @@ int switchdev_port_obj_add(struct net_device *dev, struct switchdev_obj *obj) * released. */ - obj->trans = SWITCHDEV_TRANS_ABORT; - __switchdev_port_obj_add(dev, obj); + if (err != -EOPNOTSUPP) { + obj->trans = SWITCHDEV_TRANS_ABORT; + __switchdev_port_obj_add(dev, obj); + } return err; } diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 46b6ed534ef2..3a7567f690f3 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -2007,6 +2007,7 @@ static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags) res = tipc_sk_create(sock_net(sock->sk), new_sock, 0, 1); if (res) goto exit; + security_sk_clone(sock->sk, new_sock->sk); new_sk = new_sock->sk; new_tsock = tipc_sk(new_sk); diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 915b328b9ac5..59cabc9bce69 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -797,23 +797,18 @@ static bool cfg80211_ir_permissive_chan(struct wiphy *wiphy, return false; } -bool cfg80211_reg_can_beacon(struct wiphy *wiphy, - struct cfg80211_chan_def *chandef, - enum nl80211_iftype iftype) +static bool _cfg80211_reg_can_beacon(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype, + bool check_no_ir) { bool res; u32 prohibited_flags = IEEE80211_CHAN_DISABLED | IEEE80211_CHAN_RADAR; - trace_cfg80211_reg_can_beacon(wiphy, chandef, iftype); + trace_cfg80211_reg_can_beacon(wiphy, chandef, iftype, check_no_ir); - /* - * Under certain conditions suggested by some regulatory bodies a - * GO/STA can IR on channels marked with IEEE80211_NO_IR. Set this flag - * only if such relaxations are not enabled and the conditions are not - * met. - */ - if (!cfg80211_ir_permissive_chan(wiphy, iftype, chandef->chan)) + if (check_no_ir) prohibited_flags |= IEEE80211_CHAN_NO_IR; if (cfg80211_chandef_dfs_required(wiphy, chandef, iftype) > 0 && @@ -827,8 +822,36 @@ bool cfg80211_reg_can_beacon(struct wiphy *wiphy, trace_cfg80211_return_bool(res); return res; } + +bool cfg80211_reg_can_beacon(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype) +{ + return _cfg80211_reg_can_beacon(wiphy, chandef, iftype, true); +} EXPORT_SYMBOL(cfg80211_reg_can_beacon); +bool cfg80211_reg_can_beacon_relax(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype) +{ + bool check_no_ir; + + ASSERT_RTNL(); + + /* + * Under certain conditions suggested by some regulatory bodies a + * GO/STA can IR on channels marked with IEEE80211_NO_IR. Set this flag + * only if such relaxations are not enabled and the conditions are not + * met. + */ + check_no_ir = !cfg80211_ir_permissive_chan(wiphy, iftype, + chandef->chan); + + return _cfg80211_reg_can_beacon(wiphy, chandef, iftype, check_no_ir); +} +EXPORT_SYMBOL(cfg80211_reg_can_beacon_relax); + int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, struct cfg80211_chan_def *chandef) { diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index c264effd00a6..76b41578a838 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -2003,7 +2003,8 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, switch (iftype) { case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: - if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, iftype)) { + if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, + iftype)) { result = -EINVAL; break; } @@ -3403,8 +3404,8 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) } else if (!nl80211_get_ap_channel(rdev, ¶ms)) return -EINVAL; - if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, - wdev->iftype)) + if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, + wdev->iftype)) return -EINVAL; if (info->attrs[NL80211_ATTR_ACL_POLICY]) { @@ -6492,8 +6493,8 @@ skip_beacons: if (err) return err; - if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, - wdev->iftype)) + if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, + wdev->iftype)) return -EINVAL; err = cfg80211_chandef_dfs_required(wdev->wiphy, @@ -10170,7 +10171,8 @@ static int nl80211_tdls_channel_switch(struct sk_buff *skb, return -EINVAL; /* we will be active on the TDLS link */ - if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, wdev->iftype)) + if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, + wdev->iftype)) return -EINVAL; /* don't allow switching to DFS channels */ diff --git a/net/wireless/reg.c b/net/wireless/reg.c index d359e0610198..aa2d75482017 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -544,15 +544,15 @@ static int call_crda(const char *alpha2) reg_regdb_query(alpha2); if (reg_crda_timeouts > REG_MAX_CRDA_TIMEOUTS) { - pr_info("Exceeded CRDA call max attempts. Not calling CRDA\n"); + pr_debug("Exceeded CRDA call max attempts. Not calling CRDA\n"); return -EINVAL; } if (!is_world_regdom((char *) alpha2)) - pr_info("Calling CRDA for country: %c%c\n", + pr_debug("Calling CRDA for country: %c%c\n", alpha2[0], alpha2[1]); else - pr_info("Calling CRDA to update world regulatory domain\n"); + pr_debug("Calling CRDA to update world regulatory domain\n"); return kobject_uevent_env(®_pdev->dev.kobj, KOBJ_CHANGE, env); } @@ -1589,7 +1589,7 @@ static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev) case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: case NL80211_IFTYPE_ADHOC: - return cfg80211_reg_can_beacon(wiphy, &chandef, iftype); + return cfg80211_reg_can_beacon_relax(wiphy, &chandef, iftype); case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_P2P_CLIENT: return cfg80211_chandef_usable(wiphy, &chandef, diff --git a/net/wireless/trace.h b/net/wireless/trace.h index af3617c9879e..a808279a432a 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -2358,20 +2358,23 @@ TRACE_EVENT(cfg80211_cqm_rssi_notify, TRACE_EVENT(cfg80211_reg_can_beacon, TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef, - enum nl80211_iftype iftype), - TP_ARGS(wiphy, chandef, iftype), + enum nl80211_iftype iftype, bool check_no_ir), + TP_ARGS(wiphy, chandef, iftype, check_no_ir), TP_STRUCT__entry( WIPHY_ENTRY CHAN_DEF_ENTRY __field(enum nl80211_iftype, iftype) + __field(bool, check_no_ir) ), TP_fast_assign( WIPHY_ASSIGN; CHAN_DEF_ASSIGN(chandef); __entry->iftype = iftype; + __entry->check_no_ir = check_no_ir; ), - TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT ", iftype=%d", - WIPHY_PR_ARG, CHAN_DEF_PR_ARG, __entry->iftype) + TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT ", iftype=%d check_no_ir=%s", + WIPHY_PR_ARG, CHAN_DEF_PR_ARG, __entry->iftype, + BOOL_TO_STR(__entry->check_no_ir)) ); TRACE_EVENT(cfg80211_chandef_dfs_required, diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h index 8965d1bb8811..125d6402f64f 100644 --- a/samples/trace_events/trace-events-sample.h +++ b/samples/trace_events/trace-events-sample.h @@ -168,7 +168,10 @@ * * For __dynamic_array(int, foo, bar) use __get_dynamic_array(foo) * Use __get_dynamic_array_len(foo) to get the length of the array - * saved. + * saved. Note, __get_dynamic_array_len() returns the total allocated + * length of the dynamic array; __print_array() expects the second + * parameter to be the number of elements. To get that, the array length + * needs to be divided by the element size. * * For __string(foo, bar) use __get_str(foo) * @@ -288,7 +291,7 @@ TRACE_EVENT(foo_bar, * This prints out the array that is defined by __array in a nice format. */ __print_array(__get_dynamic_array(list), - __get_dynamic_array_len(list), + __get_dynamic_array_len(list) / sizeof(int), sizeof(int)), __get_str(str), __get_bitmask(cpus)) ); diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 90e1edc8dd42..d5c8e9a3a73c 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2599,7 +2599,7 @@ sub process { # if LONG_LINE is ignored, the other 2 types are also ignored # - if ($length > $max_line_length) { + if ($line =~ /^\+/ && $length > $max_line_length) { my $msg_type = "LONG_LINE"; # Check the allowed long line types first diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index d126c03361ae..75888dd38a7f 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -85,7 +85,7 @@ static DECLARE_RWSEM(snd_pcm_link_rwsem); void snd_pcm_stream_lock(struct snd_pcm_substream *substream) { if (substream->pcm->nonatomic) { - down_read(&snd_pcm_link_rwsem); + down_read_nested(&snd_pcm_link_rwsem, SINGLE_DEPTH_NESTING); mutex_lock(&substream->self_group.mutex); } else { read_lock(&snd_pcm_link_rwlock); diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c index 442500e06b7c..5676b849379d 100644 --- a/sound/hda/hdac_i915.c +++ b/sound/hda/hdac_i915.c @@ -56,8 +56,11 @@ int snd_hdac_display_power(struct hdac_bus *bus, bool enable) enable ? "enable" : "disable"); if (enable) { - if (!bus->i915_power_refcount++) + if (!bus->i915_power_refcount++) { acomp->ops->get_power(acomp->dev); + snd_hdac_set_codec_wakeup(bus, true); + snd_hdac_set_codec_wakeup(bus, false); + } } else { WARN_ON(!bus->i915_power_refcount); if (!--bus->i915_power_refcount) diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index ac0db1679f09..b077bb644434 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -5175,7 +5175,7 @@ static int alt_playback_pcm_open(struct hda_pcm_stream *hinfo, int err = 0; mutex_lock(&spec->pcm_mutex); - if (!spec->indep_hp_enabled) + if (spec->indep_hp && !spec->indep_hp_enabled) err = -EBUSY; else spec->active_streams |= 1 << STREAM_INDEP_HP; diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 745535d1840a..735bdcb04ce8 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -979,14 +979,16 @@ static int azx_runtime_resume(struct device *dev) if (!azx_has_pm_runtime(chip)) return 0; - if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL - && hda->need_i915_power) { - bus = azx_bus(chip); - snd_hdac_display_power(bus, true); - haswell_set_bclk(hda); - /* toggle codec wakeup bit for STATESTS read */ - snd_hdac_set_codec_wakeup(bus, true); - snd_hdac_set_codec_wakeup(bus, false); + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) { + bus = azx_bus(chip); + if (hda->need_i915_power) { + snd_hdac_display_power(bus, true); + haswell_set_bclk(hda); + } else { + /* toggle codec wakeup bit for STATESTS read */ + snd_hdac_set_codec_wakeup(bus, true); + snd_hdac_set_codec_wakeup(bus, false); + } } /* Read STATESTS before controller reset */ @@ -2182,6 +2184,8 @@ static const struct pci_device_id azx_ids[] = { /* ATI HDMI */ { PCI_DEVICE(0x1002, 0x1308), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, + { PCI_DEVICE(0x1002, 0x157a), + .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0x793b), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0x7919), @@ -2236,8 +2240,14 @@ static const struct pci_device_id azx_ids[] = { .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaab0), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, + { PCI_DEVICE(0x1002, 0xaac0), + .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaac8), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, + { PCI_DEVICE(0x1002, 0xaad8), + .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, + { PCI_DEVICE(0x1002, 0xaae8), + .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, /* VIA VT8251/VT8237A */ { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA | AZX_DCAPS_POSFIX_VIA }, diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 2f2433845d04..a97db5fc8a15 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -3512,6 +3512,7 @@ static const struct hda_codec_preset snd_hda_preset_hdmi[] = { { .id = 0x10de0070, .name = "GPU 70 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0071, .name = "GPU 71 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0072, .name = "GPU 72 HDMI/DP", .patch = patch_nvhdmi }, +{ .id = 0x10de007d, .name = "GPU 7d HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch }, { .id = 0x11069f80, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi }, { .id = 0x11069f81, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi }, @@ -3527,6 +3528,7 @@ static const struct hda_codec_preset snd_hda_preset_hdmi[] = { { .id = 0x80862807, .name = "Haswell HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862808, .name = "Broadwell HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862809, .name = "Skylake HDMI", .patch = patch_generic_hdmi }, +{ .id = 0x8086280a, .name = "Broxton HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862880, .name = "CedarTrail HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862882, .name = "Valleyview2 HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862883, .name = "Braswell HDMI", .patch = patch_generic_hdmi }, @@ -3575,6 +3577,7 @@ MODULE_ALIAS("snd-hda-codec-id:10de0067"); MODULE_ALIAS("snd-hda-codec-id:10de0070"); MODULE_ALIAS("snd-hda-codec-id:10de0071"); MODULE_ALIAS("snd-hda-codec-id:10de0072"); +MODULE_ALIAS("snd-hda-codec-id:10de007d"); MODULE_ALIAS("snd-hda-codec-id:10de8001"); MODULE_ALIAS("snd-hda-codec-id:11069f80"); MODULE_ALIAS("snd-hda-codec-id:11069f81"); @@ -3591,6 +3594,7 @@ MODULE_ALIAS("snd-hda-codec-id:80862806"); MODULE_ALIAS("snd-hda-codec-id:80862807"); MODULE_ALIAS("snd-hda-codec-id:80862808"); MODULE_ALIAS("snd-hda-codec-id:80862809"); +MODULE_ALIAS("snd-hda-codec-id:8086280a"); MODULE_ALIAS("snd-hda-codec-id:80862880"); MODULE_ALIAS("snd-hda-codec-id:80862882"); MODULE_ALIAS("snd-hda-codec-id:80862883"); diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index b3b44681d3cf..742fc626f9e1 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4441,6 +4441,55 @@ static void alc290_fixup_mono_speakers(struct hda_codec *codec, } } +/* Hook to update amp GPIO4 for automute */ +static void alc280_hp_gpio4_automute_hook(struct hda_codec *codec, + struct hda_jack_callback *jack) +{ + struct alc_spec *spec = codec->spec; + + snd_hda_gen_hp_automute(codec, jack); + /* mute_led_polarity is set to 0, so we pass inverted value here */ + alc_update_gpio_led(codec, 0x10, !spec->gen.hp_jack_present); +} + +/* Manage GPIOs for HP EliteBook Folio 9480m. + * + * GPIO4 is the headphone amplifier power control + * GPIO3 is the audio output mute indicator LED + */ + +static void alc280_fixup_hp_9480m(struct hda_codec *codec, + const struct hda_fixup *fix, + int action) +{ + struct alc_spec *spec = codec->spec; + static const struct hda_verb gpio_init[] = { + { 0x01, AC_VERB_SET_GPIO_MASK, 0x18 }, + { 0x01, AC_VERB_SET_GPIO_DIRECTION, 0x18 }, + {} + }; + + if (action == HDA_FIXUP_ACT_PRE_PROBE) { + /* Set the hooks to turn the headphone amp on/off + * as needed + */ + spec->gen.vmaster_mute.hook = alc_fixup_gpio_mute_hook; + spec->gen.hp_automute_hook = alc280_hp_gpio4_automute_hook; + + /* The GPIOs are currently off */ + spec->gpio_led = 0; + + /* GPIO3 is connected to the output mute LED, + * high is on, low is off + */ + spec->mute_led_polarity = 0; + spec->gpio_mute_led_mask = 0x08; + + /* Initialize GPIO configuration */ + snd_hda_add_verbs(codec, gpio_init); + } +} + /* for hda_fixup_thinkpad_acpi() */ #include "thinkpad_helper.c" @@ -4521,6 +4570,7 @@ enum { ALC286_FIXUP_HP_GPIO_LED, ALC280_FIXUP_HP_GPIO2_MIC_HOTKEY, ALC280_FIXUP_HP_DOCK_PINS, + ALC280_FIXUP_HP_9480M, ALC288_FIXUP_DELL_HEADSET_MODE, ALC288_FIXUP_DELL1_MIC_NO_PRESENCE, ALC288_FIXUP_DELL_XPS_13_GPIO6, @@ -5011,7 +5061,7 @@ static const struct hda_fixup alc269_fixups[] = { { 0x14, 0x90170110 }, { 0x17, 0x40000008 }, { 0x18, 0x411111f0 }, - { 0x19, 0x411111f0 }, + { 0x19, 0x01a1913c }, { 0x1a, 0x411111f0 }, { 0x1b, 0x411111f0 }, { 0x1d, 0x40f89b2d }, @@ -5043,6 +5093,10 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC280_FIXUP_HP_GPIO4 }, + [ALC280_FIXUP_HP_9480M] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc280_fixup_hp_9480m, + }, [ALC288_FIXUP_DELL_HEADSET_MODE] = { .type = HDA_FIXUP_FUNC, .v.func = alc_fixup_headset_mode_dell_alc288, @@ -5161,6 +5215,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x22b7, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x22bf, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x22cf, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22db, "HP", ALC280_FIXUP_HP_9480M), SND_PCI_QUIRK(0x103c, 0x22dc, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), SND_PCI_QUIRK(0x103c, 0x22fb, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), /* ALC290 */ @@ -5375,8 +5430,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {0x15, 0x0221401f}, \ {0x1a, 0x411111f0}, \ {0x1b, 0x411111f0}, \ - {0x1d, 0x40700001}, \ - {0x1e, 0x411111f0} + {0x1d, 0x40700001} #define ALC298_STANDARD_PINS \ {0x18, 0x411111f0}, \ @@ -5408,6 +5462,17 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x1d, 0x40700001}, {0x21, 0x02211030}), SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, + {0x12, 0x40000000}, + {0x14, 0x90170130}, + {0x17, 0x411111f0}, + {0x18, 0x411111f0}, + {0x19, 0x411111f0}, + {0x1a, 0x411111f0}, + {0x1b, 0x01014020}, + {0x1d, 0x4054c029}, + {0x1e, 0x411111f0}, + {0x21, 0x0221103f}), + SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, {0x12, 0x90a60160}, {0x14, 0x90170120}, {0x17, 0x90170140}, @@ -5635,35 +5700,48 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x13, 0x411111f0}, {0x16, 0x01014020}, {0x18, 0x411111f0}, - {0x19, 0x01a19030}), + {0x19, 0x01a19030}, + {0x1e, 0x411111f0}), SND_HDA_PIN_QUIRK(0x10ec0292, 0x1028, "Dell", ALC269_FIXUP_DELL2_MIC_NO_PRESENCE, ALC292_STANDARD_PINS, {0x12, 0x90a60140}, {0x13, 0x411111f0}, {0x16, 0x01014020}, {0x18, 0x02a19031}, - {0x19, 0x01a1903e}), + {0x19, 0x01a1903e}, + {0x1e, 0x411111f0}), SND_HDA_PIN_QUIRK(0x10ec0292, 0x1028, "Dell", ALC269_FIXUP_DELL3_MIC_NO_PRESENCE, ALC292_STANDARD_PINS, {0x12, 0x90a60140}, {0x13, 0x411111f0}, {0x16, 0x411111f0}, {0x18, 0x411111f0}, - {0x19, 0x411111f0}), + {0x19, 0x411111f0}, + {0x1e, 0x411111f0}), SND_HDA_PIN_QUIRK(0x10ec0293, 0x1028, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE, ALC292_STANDARD_PINS, {0x12, 0x40000000}, {0x13, 0x90a60140}, {0x16, 0x21014020}, {0x18, 0x411111f0}, - {0x19, 0x21a19030}), + {0x19, 0x21a19030}, + {0x1e, 0x411111f0}), SND_HDA_PIN_QUIRK(0x10ec0293, 0x1028, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE, ALC292_STANDARD_PINS, {0x12, 0x40000000}, {0x13, 0x90a60140}, {0x16, 0x411111f0}, {0x18, 0x411111f0}, - {0x19, 0x411111f0}), + {0x19, 0x411111f0}, + {0x1e, 0x411111f0}), + SND_HDA_PIN_QUIRK(0x10ec0293, 0x1028, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE, + ALC292_STANDARD_PINS, + {0x12, 0x40000000}, + {0x13, 0x90a60140}, + {0x16, 0x21014020}, + {0x18, 0x411111f0}, + {0x19, 0x21a19030}, + {0x1e, 0x411111ff}), SND_HDA_PIN_QUIRK(0x10ec0298, 0x1028, "Dell", ALC298_FIXUP_DELL1_MIC_NO_PRESENCE, ALC298_STANDARD_PINS, {0x12, 0x90a60130}, diff --git a/sound/sparc/amd7930.c b/sound/sparc/amd7930.c index 1b1a89e80d13..784ceb85b2d9 100644 --- a/sound/sparc/amd7930.c +++ b/sound/sparc/amd7930.c @@ -956,6 +956,7 @@ static int snd_amd7930_create(struct snd_card *card, if (!amd->regs) { snd_printk(KERN_ERR "amd7930-%d: Unable to map chip registers.\n", dev); + kfree(amd); return -EIO; } diff --git a/sound/usb/line6/pcm.c b/sound/usb/line6/pcm.c index 8461d6bf992f..204cc074adb9 100644 --- a/sound/usb/line6/pcm.c +++ b/sound/usb/line6/pcm.c @@ -186,12 +186,8 @@ static int line6_stream_start(struct snd_line6_pcm *line6pcm, int direction, int ret = 0; spin_lock_irqsave(&pstr->lock, flags); - if (!test_and_set_bit(type, &pstr->running)) { - if (pstr->active_urbs || pstr->unlink_urbs) { - ret = -EBUSY; - goto error; - } - + if (!test_and_set_bit(type, &pstr->running) && + !(pstr->active_urbs || pstr->unlink_urbs)) { pstr->count = 0; /* Submit all currently available URBs */ if (direction == SNDRV_PCM_STREAM_PLAYBACK) @@ -199,7 +195,6 @@ static int line6_stream_start(struct snd_line6_pcm *line6pcm, int direction, else ret = line6_submit_audio_in_all_urbs(line6pcm); } - error: if (ret < 0) clear_bit(type, &pstr->running); spin_unlock_irqrestore(&pstr->lock, flags); diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 2f6d3e9a1bcd..e4756651a52c 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -2512,6 +2512,74 @@ YAMAHA_DEVICE(0x7010, "UB99"), } }, +/* Steinberg devices */ +{ + /* Steinberg MI2 */ + USB_DEVICE_VENDOR_SPEC(0x0a4e, 0x2040), + .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = & (const struct snd_usb_audio_quirk[]) { + { + .ifnum = 0, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 1, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 2, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 3, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = &(const struct snd_usb_midi_endpoint_info) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + }, + { + .ifnum = -1 + } + } + } +}, +{ + /* Steinberg MI4 */ + USB_DEVICE_VENDOR_SPEC(0x0a4e, 0x4040), + .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = & (const struct snd_usb_audio_quirk[]) { + { + .ifnum = 0, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 1, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 2, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 3, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = &(const struct snd_usb_midi_endpoint_info) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + }, + { + .ifnum = -1 + } + } + } +}, + /* TerraTec devices */ { USB_DEVICE_VENDOR_SPEC(0x0ccd, 0x0012), diff --git a/tools/lib/api/Makefile b/tools/lib/api/Makefile index 8bd960658463..fe1b02c2c95b 100644 --- a/tools/lib/api/Makefile +++ b/tools/lib/api/Makefile @@ -36,7 +36,7 @@ $(LIBFILE): $(API_IN) clean: $(call QUIET_CLEAN, libapi) $(RM) $(LIBFILE); \ - find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o | xargs $(RM) + find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM) FORCE: diff --git a/tools/lib/hweight.c b/tools/lib/hweight.c new file mode 100644 index 000000000000..0b859b884339 --- /dev/null +++ b/tools/lib/hweight.c @@ -0,0 +1,62 @@ +#include <linux/bitops.h> +#include <asm/types.h> + +/** + * hweightN - returns the hamming weight of a N-bit word + * @x: the word to weigh + * + * The Hamming Weight of a number is the total number of bits set in it. + */ + +unsigned int __sw_hweight32(unsigned int w) +{ +#ifdef CONFIG_ARCH_HAS_FAST_MULTIPLIER + w -= (w >> 1) & 0x55555555; + w = (w & 0x33333333) + ((w >> 2) & 0x33333333); + w = (w + (w >> 4)) & 0x0f0f0f0f; + return (w * 0x01010101) >> 24; +#else + unsigned int res = w - ((w >> 1) & 0x55555555); + res = (res & 0x33333333) + ((res >> 2) & 0x33333333); + res = (res + (res >> 4)) & 0x0F0F0F0F; + res = res + (res >> 8); + return (res + (res >> 16)) & 0x000000FF; +#endif +} + +unsigned int __sw_hweight16(unsigned int w) +{ + unsigned int res = w - ((w >> 1) & 0x5555); + res = (res & 0x3333) + ((res >> 2) & 0x3333); + res = (res + (res >> 4)) & 0x0F0F; + return (res + (res >> 8)) & 0x00FF; +} + +unsigned int __sw_hweight8(unsigned int w) +{ + unsigned int res = w - ((w >> 1) & 0x55); + res = (res & 0x33) + ((res >> 2) & 0x33); + return (res + (res >> 4)) & 0x0F; +} + +unsigned long __sw_hweight64(__u64 w) +{ +#if BITS_PER_LONG == 32 + return __sw_hweight32((unsigned int)(w >> 32)) + + __sw_hweight32((unsigned int)w); +#elif BITS_PER_LONG == 64 +#ifdef CONFIG_ARCH_HAS_FAST_MULTIPLIER + w -= (w >> 1) & 0x5555555555555555ul; + w = (w & 0x3333333333333333ul) + ((w >> 2) & 0x3333333333333333ul); + w = (w + (w >> 4)) & 0x0f0f0f0f0f0f0f0ful; + return (w * 0x0101010101010101ul) >> 56; +#else + __u64 res = w - ((w >> 1) & 0x5555555555555555ul); + res = (res & 0x3333333333333333ul) + ((res >> 2) & 0x3333333333333333ul); + res = (res + (res >> 4)) & 0x0F0F0F0F0F0F0F0Ful; + res = res + (res >> 8); + res = res + (res >> 16); + return (res + (res >> 32)) & 0x00000000000000FFul; +#endif +#endif +} diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile index 6daaff652aff..7851df1490e0 100644 --- a/tools/lib/traceevent/Makefile +++ b/tools/lib/traceevent/Makefile @@ -268,7 +268,7 @@ install: install_lib clean: $(call QUIET_CLEAN, libtraceevent) \ - $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d \ + $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd \ $(RM) TRACEEVENT-CFLAGS tags TAGS PHONY += force plugins diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 09dc0aabb515..d01a0aad5a01 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -18,6 +18,7 @@ tools/arch/x86/include/asm/atomic.h tools/arch/x86/include/asm/rmwcc.h tools/lib/traceevent tools/lib/api +tools/lib/hweight.c tools/lib/rbtree.c tools/lib/symbol/kallsyms.c tools/lib/symbol/kallsyms.h @@ -57,7 +58,6 @@ include/linux/perf_event.h include/linux/list.h include/linux/hash.h include/linux/stringify.h -lib/hweight.c include/linux/swab.h arch/*/include/asm/unistd*.h arch/*/include/uapi/asm/unistd*.h diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 7a4b549214e3..bba34636b733 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -109,9 +109,22 @@ $(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD $(Q)$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT) $(Q)touch $(OUTPUT)PERF-VERSION-FILE -CC = $(CROSS_COMPILE)gcc -LD ?= $(CROSS_COMPILE)ld -AR = $(CROSS_COMPILE)ar +# Makefiles suck: This macro sets a default value of $(2) for the +# variable named by $(1), unless the variable has been set by +# environment or command line. This is necessary for CC and AR +# because make sets default values, so the simpler ?= approach +# won't work as expected. +define allow-override + $(if $(or $(findstring environment,$(origin $(1))),\ + $(findstring command line,$(origin $(1)))),,\ + $(eval $(1) = $(2))) +endef + +# Allow setting CC and AR and LD, or setting CROSS_COMPILE as a prefix. +$(call allow-override,CC,$(CROSS_COMPILE)gcc) +$(call allow-override,AR,$(CROSS_COMPILE)ar) +$(call allow-override,LD,$(CROSS_COMPILE)ld) + PKG_CONFIG = $(CROSS_COMPILE)pkg-config RM = rm -f diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 37e301a32f43..d99d850e1444 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -343,7 +343,7 @@ static int read_counter(struct perf_evsel *counter) return 0; } -static void read_counters(bool close) +static void read_counters(bool close_counters) { struct perf_evsel *counter; @@ -354,7 +354,7 @@ static void read_counters(bool close) if (process_counter(counter)) pr_warning("failed to process counter %s\n", counter->name); - if (close) { + if (close_counters) { perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), thread_map__nr(evsel_list->threads)); } diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 7629bef2fd79..fa67613976a8 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -48,7 +48,7 @@ static struct rb_node *hists__filter_entries(struct rb_node *nd, static bool hist_browser__has_filter(struct hist_browser *hb) { - return hists__has_filter(hb->hists) || hb->min_pcnt; + return hists__has_filter(hb->hists) || hb->min_pcnt || symbol_conf.has_filter; } static int hist_browser__get_folding(struct hist_browser *browser) diff --git a/tools/perf/util/Build b/tools/perf/util/Build index 601d11440596..d2d318c59b37 100644 --- a/tools/perf/util/Build +++ b/tools/perf/util/Build @@ -143,6 +143,6 @@ $(OUTPUT)util/rbtree.o: ../lib/rbtree.c FORCE $(call rule_mkdir) $(call if_changed_dep,cc_o_c) -$(OUTPUT)util/hweight.o: ../../lib/hweight.c FORCE +$(OUTPUT)util/hweight.o: ../lib/hweight.c FORCE $(call rule_mkdir) $(call if_changed_dep,cc_o_c) diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c index 7e7405c9b936..83d9dd96fe08 100644 --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -53,11 +53,6 @@ int auxtrace_mmap__mmap(struct auxtrace_mmap *mm, { struct perf_event_mmap_page *pc = userpg; -#if BITS_PER_LONG != 64 && !defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT) - pr_err("Cannot use AUX area tracing mmaps\n"); - return -1; -#endif - WARN_ONCE(mm->base, "Uninitialized auxtrace_mmap\n"); mm->userpg = userpg; @@ -73,6 +68,11 @@ int auxtrace_mmap__mmap(struct auxtrace_mmap *mm, return 0; } +#if BITS_PER_LONG != 64 && !defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT) + pr_err("Cannot use AUX area tracing mmaps\n"); + return -1; +#endif + pc->aux_offset = mp->offset; pc->aux_size = mp->len; diff --git a/tools/perf/util/python-ext-sources b/tools/perf/util/python-ext-sources index e23ded40c79e..0766d98c5da5 100644 --- a/tools/perf/util/python-ext-sources +++ b/tools/perf/util/python-ext-sources @@ -10,7 +10,7 @@ util/ctype.c util/evlist.c util/evsel.c util/cpumap.c -../../lib/hweight.c +../lib/hweight.c util/thread_map.c util/util.c util/xyarray.c @@ -19,5 +19,5 @@ util/rblist.c util/stat.c util/strlist.c util/trace-event.c -../../lib/rbtree.c +../lib/rbtree.c util/string.c diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 48b588c6951a..60f11414bb5c 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1911,6 +1911,8 @@ int setup_list(struct strlist **list, const char *list_str, pr_err("problems parsing %s list\n", list_name); return -1; } + + symbol_conf.has_filter = true; return 0; } diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index bef47ead1d9b..b98ce51af142 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -105,7 +105,8 @@ struct symbol_conf { demangle_kernel, filter_relative, show_hist_headers, - branch_callstack; + branch_callstack, + has_filter; const char *vmlinux_name, *kallsyms_name, *source_prefix, diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c index da7646d767fe..292ae2c90e06 100644 --- a/tools/perf/util/thread_map.c +++ b/tools/perf/util/thread_map.c @@ -136,8 +136,7 @@ struct thread_map *thread_map__new_by_uid(uid_t uid) if (grow) { struct thread_map *tmp; - tmp = realloc(threads, (sizeof(*threads) + - max_threads * sizeof(pid_t))); + tmp = thread_map__realloc(threads, max_threads); if (tmp == NULL) goto out_free_namelist; diff --git a/tools/perf/util/vdso.c b/tools/perf/util/vdso.c index 4b89118f158d..44d440da15dc 100644 --- a/tools/perf/util/vdso.c +++ b/tools/perf/util/vdso.c @@ -236,18 +236,16 @@ static struct dso *__machine__findnew_compat(struct machine *machine, const char *file_name; struct dso *dso; - pthread_rwlock_wrlock(&machine->dsos.lock); dso = __dsos__find(&machine->dsos, vdso_file->dso_name, true); if (dso) - goto out_unlock; + goto out; file_name = vdso__get_compat_file(vdso_file); if (!file_name) - goto out_unlock; + goto out; dso = __machine__addnew_vdso(machine, vdso_file->dso_name, file_name); -out_unlock: - pthread_rwlock_unlock(&machine->dsos.lock); +out: return dso; } diff --git a/tools/testing/nvdimm/Kbuild b/tools/testing/nvdimm/Kbuild index 8e9b64520ec1..f56914c7929b 100644 --- a/tools/testing/nvdimm/Kbuild +++ b/tools/testing/nvdimm/Kbuild @@ -1,3 +1,6 @@ +ldflags-y += --wrap=ioremap_wt +ldflags-y += --wrap=ioremap_wc +ldflags-y += --wrap=devm_ioremap_nocache ldflags-y += --wrap=ioremap_cache ldflags-y += --wrap=ioremap_nocache ldflags-y += --wrap=iounmap diff --git a/tools/testing/nvdimm/test/iomap.c b/tools/testing/nvdimm/test/iomap.c index c85a6f6ba559..64bfaa50831c 100644 --- a/tools/testing/nvdimm/test/iomap.c +++ b/tools/testing/nvdimm/test/iomap.c @@ -65,6 +65,21 @@ void __iomem *__nfit_test_ioremap(resource_size_t offset, unsigned long size, return fallback_fn(offset, size); } +void __iomem *__wrap_devm_ioremap_nocache(struct device *dev, + resource_size_t offset, unsigned long size) +{ + struct nfit_test_resource *nfit_res; + + rcu_read_lock(); + nfit_res = get_nfit_res(offset); + rcu_read_unlock(); + if (nfit_res) + return (void __iomem *) nfit_res->buf + offset + - nfit_res->res->start; + return devm_ioremap_nocache(dev, offset, size); +} +EXPORT_SYMBOL(__wrap_devm_ioremap_nocache); + void __iomem *__wrap_ioremap_cache(resource_size_t offset, unsigned long size) { return __nfit_test_ioremap(offset, size, ioremap_cache); @@ -77,6 +92,18 @@ void __iomem *__wrap_ioremap_nocache(resource_size_t offset, unsigned long size) } EXPORT_SYMBOL(__wrap_ioremap_nocache); +void __iomem *__wrap_ioremap_wt(resource_size_t offset, unsigned long size) +{ + return __nfit_test_ioremap(offset, size, ioremap_wt); +} +EXPORT_SYMBOL(__wrap_ioremap_wt); + +void __iomem *__wrap_ioremap_wc(resource_size_t offset, unsigned long size) +{ + return __nfit_test_ioremap(offset, size, ioremap_wc); +} +EXPORT_SYMBOL(__wrap_ioremap_wc); + void __wrap_iounmap(volatile void __iomem *addr) { struct nfit_test_resource *nfit_res; diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c index 4b69b8368de0..d0bdae40ccc9 100644 --- a/tools/testing/nvdimm/test/nfit.c +++ b/tools/testing/nvdimm/test/nfit.c @@ -128,6 +128,8 @@ struct nfit_test { int num_pm; void **dimm; dma_addr_t *dimm_dma; + void **flush; + dma_addr_t *flush_dma; void **label; dma_addr_t *label_dma; void **spa_set; @@ -155,7 +157,7 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc, int i, rc; if (!nfit_mem || !test_bit(cmd, &nfit_mem->dsm_mask)) - return -ENXIO; + return -ENOTTY; /* lookup label space for the given dimm */ for (i = 0; i < ARRAY_SIZE(handle); i++) @@ -331,7 +333,8 @@ static int nfit_test0_alloc(struct nfit_test *t) + sizeof(struct acpi_nfit_system_address) * NUM_SPA + sizeof(struct acpi_nfit_memory_map) * NUM_MEM + sizeof(struct acpi_nfit_control_region) * NUM_DCR - + sizeof(struct acpi_nfit_data_region) * NUM_BDW; + + sizeof(struct acpi_nfit_data_region) * NUM_BDW + + sizeof(struct acpi_nfit_flush_address) * NUM_DCR; int i; t->nfit_buf = test_alloc(t, nfit_size, &t->nfit_dma); @@ -356,6 +359,10 @@ static int nfit_test0_alloc(struct nfit_test *t) if (!t->label[i]) return -ENOMEM; sprintf(t->label[i], "label%d", i); + + t->flush[i] = test_alloc(t, 8, &t->flush_dma[i]); + if (!t->flush[i]) + return -ENOMEM; } for (i = 0; i < NUM_DCR; i++) { @@ -408,6 +415,7 @@ static void nfit_test0_setup(struct nfit_test *t) struct acpi_nfit_system_address *spa; struct acpi_nfit_control_region *dcr; struct acpi_nfit_data_region *bdw; + struct acpi_nfit_flush_address *flush; unsigned int offset; nfit_test_init_header(nfit_buf, size); @@ -831,6 +839,39 @@ static void nfit_test0_setup(struct nfit_test *t) bdw->capacity = DIMM_SIZE; bdw->start_address = 0; + offset = offset + sizeof(struct acpi_nfit_data_region) * 4; + /* flush0 (dimm0) */ + flush = nfit_buf + offset; + flush->header.type = ACPI_NFIT_TYPE_FLUSH_ADDRESS; + flush->header.length = sizeof(struct acpi_nfit_flush_address); + flush->device_handle = handle[0]; + flush->hint_count = 1; + flush->hint_address[0] = t->flush_dma[0]; + + /* flush1 (dimm1) */ + flush = nfit_buf + offset + sizeof(struct acpi_nfit_flush_address) * 1; + flush->header.type = ACPI_NFIT_TYPE_FLUSH_ADDRESS; + flush->header.length = sizeof(struct acpi_nfit_flush_address); + flush->device_handle = handle[1]; + flush->hint_count = 1; + flush->hint_address[0] = t->flush_dma[1]; + + /* flush2 (dimm2) */ + flush = nfit_buf + offset + sizeof(struct acpi_nfit_flush_address) * 2; + flush->header.type = ACPI_NFIT_TYPE_FLUSH_ADDRESS; + flush->header.length = sizeof(struct acpi_nfit_flush_address); + flush->device_handle = handle[2]; + flush->hint_count = 1; + flush->hint_address[0] = t->flush_dma[2]; + + /* flush3 (dimm3) */ + flush = nfit_buf + offset + sizeof(struct acpi_nfit_flush_address) * 3; + flush->header.type = ACPI_NFIT_TYPE_FLUSH_ADDRESS; + flush->header.length = sizeof(struct acpi_nfit_flush_address); + flush->device_handle = handle[3]; + flush->hint_count = 1; + flush->hint_address[0] = t->flush_dma[3]; + acpi_desc = &t->acpi_desc; set_bit(ND_CMD_GET_CONFIG_SIZE, &acpi_desc->dimm_dsm_force_en); set_bit(ND_CMD_GET_CONFIG_DATA, &acpi_desc->dimm_dsm_force_en); @@ -933,6 +974,10 @@ static int nfit_test_probe(struct platform_device *pdev) GFP_KERNEL); nfit_test->dimm_dma = devm_kcalloc(dev, num, sizeof(dma_addr_t), GFP_KERNEL); + nfit_test->flush = devm_kcalloc(dev, num, sizeof(void *), + GFP_KERNEL); + nfit_test->flush_dma = devm_kcalloc(dev, num, sizeof(dma_addr_t), + GFP_KERNEL); nfit_test->label = devm_kcalloc(dev, num, sizeof(void *), GFP_KERNEL); nfit_test->label_dma = devm_kcalloc(dev, num, @@ -943,7 +988,8 @@ static int nfit_test_probe(struct platform_device *pdev) sizeof(dma_addr_t), GFP_KERNEL); if (nfit_test->dimm && nfit_test->dimm_dma && nfit_test->label && nfit_test->label_dma && nfit_test->dcr - && nfit_test->dcr_dma) + && nfit_test->dcr_dma && nfit_test->flush + && nfit_test->flush_dma) /* pass */; else return -ENOMEM; diff --git a/virt/kvm/vfio.c b/virt/kvm/vfio.c index 620e37f741b8..1dd087da6f31 100644 --- a/virt/kvm/vfio.c +++ b/virt/kvm/vfio.c @@ -155,6 +155,8 @@ static int kvm_vfio_set_group(struct kvm_device *dev, long attr, u64 arg) list_add_tail(&kvg->node, &kv->group_list); kvg->vfio_group = vfio_group; + kvm_arch_start_assignment(dev->kvm); + mutex_unlock(&kv->lock); kvm_vfio_update_coherency(dev); @@ -190,6 +192,8 @@ static int kvm_vfio_set_group(struct kvm_device *dev, long attr, u64 arg) break; } + kvm_arch_end_assignment(dev->kvm); + mutex_unlock(&kv->lock); kvm_vfio_group_put_external_user(vfio_group); @@ -239,6 +243,7 @@ static void kvm_vfio_destroy(struct kvm_device *dev) kvm_vfio_group_put_external_user(kvg->vfio_group); list_del(&kvg->node); kfree(kvg); + kvm_arch_end_assignment(dev->kvm); } kvm_vfio_update_coherency(dev); |