diff options
246 files changed, 1736 insertions, 880 deletions
diff --git a/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt b/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt deleted file mode 100644 index c59e27c632c1..000000000000 --- a/Documentation/devicetree/bindings/staging/ion/hi6220-ion.txt +++ /dev/null @@ -1,31 +0,0 @@ -Hi6220 SoC ION -=================================================================== -Required properties: -- compatible : "hisilicon,hi6220-ion" -- list of the ION heaps - - heap name : maybe heap_sys_user@0 - - heap id : id should be unique in the system. - - heap base : base ddr address of the heap,0 means that - it is dynamic. - - heap size : memory size and 0 means it is dynamic. - - heap type : the heap type of the heap, please also - see the define in ion.h(drivers/staging/android/uapi/ion.h) -------------------------------------------------------------------- -Example: - hi6220-ion { - compatible = "hisilicon,hi6220-ion"; - heap_sys_user@0 { - heap-name = "sys_user"; - heap-id = <0x0>; - heap-base = <0x0>; - heap-size = <0x0>; - heap-type = "ion_system"; - }; - heap_sys_contig@0 { - heap-name = "sys_contig"; - heap-id = <0x1>; - heap-base = <0x0>; - heap-size = <0x0>; - heap-type = "ion_system_contig"; - }; - }; diff --git a/Documentation/usb/typec.rst b/Documentation/usb/typec.rst index b67a46779de9..8a7249f2ff04 100644 --- a/Documentation/usb/typec.rst +++ b/Documentation/usb/typec.rst @@ -114,8 +114,7 @@ the details during registration. The class offers the following API for registering/unregistering cables and their plugs: .. kernel-doc:: drivers/usb/typec/typec.c - :functions: typec_register_cable typec_unregister_cable typec_register_plug - typec_unregister_plug + :functions: typec_register_cable typec_unregister_cable typec_register_plug typec_unregister_plug The class will provide a handle to struct typec_cable and struct typec_plug if the registration is successful, or NULL if it isn't. @@ -137,8 +136,7 @@ during connection of a partner or cable, the port driver must use the following APIs to report it to the class: .. kernel-doc:: drivers/usb/typec/typec.c - :functions: typec_set_data_role typec_set_pwr_role typec_set_vconn_role - typec_set_pwr_opmode + :functions: typec_set_data_role typec_set_pwr_role typec_set_vconn_role typec_set_pwr_opmode Alternate Modes ~~~~~~~~~~~~~~~ diff --git a/Documentation/watchdog/watchdog-parameters.txt b/Documentation/watchdog/watchdog-parameters.txt index 4f7d86dd0a5d..914518aeb972 100644 --- a/Documentation/watchdog/watchdog-parameters.txt +++ b/Documentation/watchdog/watchdog-parameters.txt @@ -117,7 +117,7 @@ nowayout: Watchdog cannot be stopped once started ------------------------------------------------- iTCO_wdt: heartbeat: Watchdog heartbeat in seconds. - (2<heartbeat<39 (TCO v1) or 613 (TCO v2), default=30) + (5<=heartbeat<=74 (TCO v1) or 1226 (TCO v2), default=30) nowayout: Watchdog cannot be stopped once started (default=kernel config parameter) ------------------------------------------------- diff --git a/MAINTAINERS b/MAINTAINERS index f7d568b8f133..9e984645c4b0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -846,7 +846,6 @@ M: Laura Abbott <labbott@redhat.com> M: Sumit Semwal <sumit.semwal@linaro.org> L: devel@driverdev.osuosl.org S: Supported -F: Documentation/devicetree/bindings/staging/ion/ F: drivers/staging/android/ion F: drivers/staging/android/uapi/ion.h F: drivers/staging/android/uapi/ion_test.h @@ -3116,6 +3115,14 @@ F: drivers/net/ieee802154/cc2520.c F: include/linux/spi/cc2520.h F: Documentation/devicetree/bindings/net/ieee802154/cc2520.txt +CCREE ARM TRUSTZONE CRYPTOCELL 700 REE DRIVER +M: Gilad Ben-Yossef <gilad@benyossef.com> +L: linux-crypto@vger.kernel.org +L: driverdev-devel@linuxdriverproject.org +S: Supported +F: drivers/staging/ccree/ +W: https://developer.arm.com/products/system-ip/trustzone-cryptocell/cryptocell-700-family + CEC FRAMEWORK M: Hans Verkuil <hans.verkuil@cisco.com> L: linux-media@vger.kernel.org @@ -5695,7 +5702,7 @@ M: Alex Elder <elder@kernel.org> M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> S: Maintained F: drivers/staging/greybus/ -L: greybus-dev@lists.linaro.org +L: greybus-dev@lists.linaro.org (moderated for non-subscribers) GREYBUS AUDIO PROTOCOLS DRIVERS M: Vaibhav Agarwal <vaibhav.sr@gmail.com> @@ -9553,10 +9560,6 @@ F: drivers/net/wireless/intersil/orinoco/ OSD LIBRARY and FILESYSTEM M: Boaz Harrosh <ooo@electrozaur.com> -M: Benny Halevy <bhalevy@primarydata.com> -L: osd-dev@open-osd.org -W: http://open-osd.org -T: git git://git.open-osd.org/open-osd.git S: Maintained F: drivers/scsi/osd/ F: include/scsi/osd_* @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 12 SUBLEVEL = 0 -EXTRAVERSION = -rc1 +EXTRAVERSION = -rc2 NAME = Fearless Coyote # *DOCUMENTATION* diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 9ec56dc97374..ce93124a850b 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -1201,8 +1201,10 @@ SYSCALL_DEFINE4(osf_wait4, pid_t, pid, int __user *, ustatus, int, options, if (!access_ok(VERIFY_WRITE, ur, sizeof(*ur))) return -EFAULT; - err = 0; - err |= put_user(status, ustatus); + err = put_user(status, ustatus); + if (ret < 0) + return err ? err : ret; + err |= __put_user(r.ru_utime.tv_sec, &ur->ru_utime.tv_sec); err |= __put_user(r.ru_utime.tv_usec, &ur->ru_utime.tv_usec); err |= __put_user(r.ru_stime.tv_sec, &ur->ru_stime.tv_sec); diff --git a/arch/arm/boot/dts/bcm283x-rpi-smsc9512.dtsi b/arch/arm/boot/dts/bcm283x-rpi-smsc9512.dtsi index 12c981e51134..9a0599f711ff 100644 --- a/arch/arm/boot/dts/bcm283x-rpi-smsc9512.dtsi +++ b/arch/arm/boot/dts/bcm283x-rpi-smsc9512.dtsi @@ -1,6 +1,6 @@ / { aliases { - ethernet = ðernet; + ethernet0 = ðernet; }; }; diff --git a/arch/arm/boot/dts/bcm283x-rpi-smsc9514.dtsi b/arch/arm/boot/dts/bcm283x-rpi-smsc9514.dtsi index 3f0a56ebcf1f..dc7ae776db5f 100644 --- a/arch/arm/boot/dts/bcm283x-rpi-smsc9514.dtsi +++ b/arch/arm/boot/dts/bcm283x-rpi-smsc9514.dtsi @@ -1,6 +1,6 @@ / { aliases { - ethernet = ðernet; + ethernet0 = ðernet; }; }; diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi index 35cea3fcaf5c..561f27d8d922 100644 --- a/arch/arm/boot/dts/bcm283x.dtsi +++ b/arch/arm/boot/dts/bcm283x.dtsi @@ -198,8 +198,8 @@ brcm,pins = <0 1>; brcm,function = <BCM2835_FSEL_ALT0>; }; - i2c0_gpio32: i2c0_gpio32 { - brcm,pins = <32 34>; + i2c0_gpio28: i2c0_gpio28 { + brcm,pins = <28 29>; brcm,function = <BCM2835_FSEL_ALT0>; }; i2c0_gpio44: i2c0_gpio44 { @@ -295,20 +295,28 @@ /* Separate from the uart0_gpio14 group * because it conflicts with spi1_gpio16, and * people often run uart0 on the two pins - * without flow contrl. + * without flow control. */ uart0_ctsrts_gpio16: uart0_ctsrts_gpio16 { brcm,pins = <16 17>; brcm,function = <BCM2835_FSEL_ALT3>; }; - uart0_gpio30: uart0_gpio30 { + uart0_ctsrts_gpio30: uart0_ctsrts_gpio30 { brcm,pins = <30 31>; brcm,function = <BCM2835_FSEL_ALT3>; }; - uart0_ctsrts_gpio32: uart0_ctsrts_gpio32 { + uart0_gpio32: uart0_gpio32 { brcm,pins = <32 33>; brcm,function = <BCM2835_FSEL_ALT3>; }; + uart0_gpio36: uart0_gpio36 { + brcm,pins = <36 37>; + brcm,function = <BCM2835_FSEL_ALT2>; + }; + uart0_ctsrts_gpio38: uart0_ctsrts_gpio38 { + brcm,pins = <38 39>; + brcm,function = <BCM2835_FSEL_ALT2>; + }; uart1_gpio14: uart1_gpio14 { brcm,pins = <14 15>; @@ -326,10 +334,6 @@ brcm,pins = <30 31>; brcm,function = <BCM2835_FSEL_ALT5>; }; - uart1_gpio36: uart1_gpio36 { - brcm,pins = <36 37 38 39>; - brcm,function = <BCM2835_FSEL_ALT2>; - }; uart1_gpio40: uart1_gpio40 { brcm,pins = <40 41>; brcm,function = <BCM2835_FSEL_ALT5>; diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index 4bc4b575c99b..31a9e061ddd0 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -204,6 +204,8 @@ tps659038: tps659038@58 { compatible = "ti,tps659038"; reg = <0x58>; + ti,palmas-override-powerhold; + ti,system-power-controller; tps659038_pmic { compatible = "ti,tps659038-pmic"; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index 57892f264cea..e7144662af45 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -2017,4 +2017,8 @@ coefficients = <0 2000>; }; +&cpu_crit { + temperature = <120000>; /* milli Celsius */ +}; + /include/ "dra7xx-clocks.dtsi" diff --git a/arch/arm/boot/dts/imx53-qsrb.dts b/arch/arm/boot/dts/imx53-qsrb.dts index de2215832372..4e103a905dc9 100644 --- a/arch/arm/boot/dts/imx53-qsrb.dts +++ b/arch/arm/boot/dts/imx53-qsrb.dts @@ -23,7 +23,7 @@ imx53-qsrb { pinctrl_pmic: pmicgrp { fsl,pins = < - MX53_PAD_CSI0_DAT5__GPIO5_23 0x1e4 /* IRQ */ + MX53_PAD_CSI0_DAT5__GPIO5_23 0x1c4 /* IRQ */ >; }; }; diff --git a/arch/arm/boot/dts/imx6sx-sdb.dts b/arch/arm/boot/dts/imx6sx-sdb.dts index 5bb8fd57e7f5..d71da30c9cff 100644 --- a/arch/arm/boot/dts/imx6sx-sdb.dts +++ b/arch/arm/boot/dts/imx6sx-sdb.dts @@ -12,23 +12,6 @@ model = "Freescale i.MX6 SoloX SDB RevB Board"; }; -&cpu0 { - operating-points = < - /* kHz uV */ - 996000 1250000 - 792000 1175000 - 396000 1175000 - 198000 1175000 - >; - fsl,soc-operating-points = < - /* ARM kHz SOC uV */ - 996000 1250000 - 792000 1175000 - 396000 1175000 - 198000 1175000 - >; -}; - &i2c1 { clock-frequency = <100000>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/include/arm b/arch/arm/boot/dts/include/arm deleted file mode 120000 index a96aa0ea9d8c..000000000000 --- a/arch/arm/boot/dts/include/arm +++ /dev/null @@ -1 +0,0 @@ -..
\ No newline at end of file diff --git a/arch/arm/boot/dts/include/arm64 b/arch/arm/boot/dts/include/arm64 deleted file mode 120000 index 074a835fca3e..000000000000 --- a/arch/arm/boot/dts/include/arm64 +++ /dev/null @@ -1 +0,0 @@ -../../../../arm64/boot/dts
\ No newline at end of file diff --git a/arch/arm/boot/dts/include/dt-bindings b/arch/arm/boot/dts/include/dt-bindings deleted file mode 120000 index 08c00e4972fa..000000000000 --- a/arch/arm/boot/dts/include/dt-bindings +++ /dev/null @@ -1 +0,0 @@ -../../../../../include/dt-bindings
\ No newline at end of file diff --git a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts index 08cce17a25a0..43e9364083de 100644 --- a/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts +++ b/arch/arm/boot/dts/logicpd-torpedo-37xx-devkit.dts @@ -249,9 +249,9 @@ OMAP3_CORE1_IOPAD(0x2110, PIN_INPUT | MUX_MODE0) /* cam_xclka.cam_xclka */ OMAP3_CORE1_IOPAD(0x2112, PIN_INPUT | MUX_MODE0) /* cam_pclk.cam_pclk */ - OMAP3_CORE1_IOPAD(0x2114, PIN_INPUT | MUX_MODE0) /* cam_d0.cam_d0 */ - OMAP3_CORE1_IOPAD(0x2116, PIN_INPUT | MUX_MODE0) /* cam_d1.cam_d1 */ - OMAP3_CORE1_IOPAD(0x2118, PIN_INPUT | MUX_MODE0) /* cam_d2.cam_d2 */ + OMAP3_CORE1_IOPAD(0x2116, PIN_INPUT | MUX_MODE0) /* cam_d0.cam_d0 */ + OMAP3_CORE1_IOPAD(0x2118, PIN_INPUT | MUX_MODE0) /* cam_d1.cam_d1 */ + OMAP3_CORE1_IOPAD(0x211a, PIN_INPUT | MUX_MODE0) /* cam_d2.cam_d2 */ OMAP3_CORE1_IOPAD(0x211c, PIN_INPUT | MUX_MODE0) /* cam_d3.cam_d3 */ OMAP3_CORE1_IOPAD(0x211e, PIN_INPUT | MUX_MODE0) /* cam_d4.cam_d4 */ OMAP3_CORE1_IOPAD(0x2120, PIN_INPUT | MUX_MODE0) /* cam_d5.cam_d5 */ diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi index 402579ab70d2..3a9e9b6aea68 100644 --- a/arch/arm/boot/dts/mt7623.dtsi +++ b/arch/arm/boot/dts/mt7623.dtsi @@ -72,6 +72,8 @@ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>, <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>; + clock-frequency = <13000000>; + arm,cpu-registers-not-fw-configured; }; watchdog: watchdog@10007000 { diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi index b3a8b1f24499..9ec737069369 100644 --- a/arch/arm/boot/dts/omap3-gta04.dtsi +++ b/arch/arm/boot/dts/omap3-gta04.dtsi @@ -55,7 +55,8 @@ simple-audio-card,bitclock-master = <&telephony_link_master>; simple-audio-card,frame-master = <&telephony_link_master>; simple-audio-card,format = "i2s"; - + simple-audio-card,bitclock-inversion; + simple-audio-card,frame-inversion; simple-audio-card,cpu { sound-dai = <&mcbsp4>; }; diff --git a/arch/arm/boot/dts/omap4-panda-a4.dts b/arch/arm/boot/dts/omap4-panda-a4.dts index 78d363177762..f1a6476af371 100644 --- a/arch/arm/boot/dts/omap4-panda-a4.dts +++ b/arch/arm/boot/dts/omap4-panda-a4.dts @@ -13,7 +13,7 @@ /* Pandaboard Rev A4+ have external pullups on SCL & SDA */ &dss_hdmi_pins { pinctrl-single,pins = < - OMAP4_IOPAD(0x09a, PIN_INPUT_PULLUP | MUX_MODE0) /* hdmi_cec.hdmi_cec */ + OMAP4_IOPAD(0x09a, PIN_INPUT | MUX_MODE0) /* hdmi_cec.hdmi_cec */ OMAP4_IOPAD(0x09c, PIN_INPUT | MUX_MODE0) /* hdmi_scl.hdmi_scl */ OMAP4_IOPAD(0x09e, PIN_INPUT | MUX_MODE0) /* hdmi_sda.hdmi_sda */ >; diff --git a/arch/arm/boot/dts/omap4-panda-es.dts b/arch/arm/boot/dts/omap4-panda-es.dts index 119f8e657edc..940fe4f7c5f6 100644 --- a/arch/arm/boot/dts/omap4-panda-es.dts +++ b/arch/arm/boot/dts/omap4-panda-es.dts @@ -34,7 +34,7 @@ /* PandaboardES has external pullups on SCL & SDA */ &dss_hdmi_pins { pinctrl-single,pins = < - OMAP4_IOPAD(0x09a, PIN_INPUT_PULLUP | MUX_MODE0) /* hdmi_cec.hdmi_cec */ + OMAP4_IOPAD(0x09a, PIN_INPUT | MUX_MODE0) /* hdmi_cec.hdmi_cec */ OMAP4_IOPAD(0x09c, PIN_INPUT | MUX_MODE0) /* hdmi_scl.hdmi_scl */ OMAP4_IOPAD(0x09e, PIN_INPUT | MUX_MODE0) /* hdmi_sda.hdmi_sda */ >; diff --git a/arch/arm/configs/gemini_defconfig b/arch/arm/configs/gemini_defconfig new file mode 100644 index 000000000000..d2d75fa664a6 --- /dev/null +++ b/arch/arm/configs/gemini_defconfig @@ -0,0 +1,68 @@ +# CONFIG_LOCALVERSION_AUTO is not set +CONFIG_SYSVIPC=y +CONFIG_NO_HZ_IDLE=y +CONFIG_BSD_PROCESS_ACCT=y +CONFIG_USER_NS=y +CONFIG_RELAY=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_PARTITION_ADVANCED=y +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set +CONFIG_ARCH_GEMINI=y +CONFIG_PCI=y +CONFIG_PREEMPT=y +CONFIG_AEABI=y +CONFIG_CMDLINE="console=ttyS0,115200n8" +CONFIG_KEXEC=y +CONFIG_BINFMT_MISC=y +CONFIG_PM=y +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_DEVTMPFS=y +CONFIG_MTD=y +CONFIG_MTD_BLOCK=y +CONFIG_MTD_CFI=y +CONFIG_MTD_CFI_INTELEXT=y +CONFIG_MTD_CFI_AMDSTD=y +CONFIG_MTD_CFI_STAA=y +CONFIG_MTD_PHYSMAP=y +CONFIG_MTD_PHYSMAP_OF=y +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_SIZE=16384 +# CONFIG_SCSI_PROC_FS is not set +CONFIG_BLK_DEV_SD=y +# CONFIG_SCSI_LOWLEVEL is not set +CONFIG_ATA=y +CONFIG_INPUT_EVDEV=y +CONFIG_KEYBOARD_GPIO=y +# CONFIG_INPUT_MOUSE is not set +# CONFIG_LEGACY_PTYS is not set +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_NR_UARTS=1 +CONFIG_SERIAL_8250_RUNTIME_UARTS=1 +CONFIG_SERIAL_OF_PLATFORM=y +# CONFIG_HW_RANDOM is not set +# CONFIG_HWMON is not set +CONFIG_WATCHDOG=y +CONFIG_GEMINI_WATCHDOG=y +CONFIG_USB=y +CONFIG_USB_MON=y +CONFIG_USB_FOTG210_HCD=y +CONFIG_USB_STORAGE=y +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_GPIO=y +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_HEARTBEAT=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_GEMINI=y +CONFIG_DMADEVICES=y +# CONFIG_DNOTIFY is not set +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +CONFIG_ROMFS_FS=y +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_ISO8859_1=y +# CONFIG_ENABLE_WARN_DEPRECATED is not set +# CONFIG_ENABLE_MUST_CHECK is not set +CONFIG_DEBUG_FS=y diff --git a/arch/arm/include/asm/kvm_coproc.h b/arch/arm/include/asm/kvm_coproc.h index 4917c2f7e459..e74ab0fbab79 100644 --- a/arch/arm/include/asm/kvm_coproc.h +++ b/arch/arm/include/asm/kvm_coproc.h @@ -31,7 +31,8 @@ void kvm_register_target_coproc_table(struct kvm_coproc_target_table *table); int kvm_handle_cp10_id(struct kvm_vcpu *vcpu, struct kvm_run *run); int kvm_handle_cp_0_13_access(struct kvm_vcpu *vcpu, struct kvm_run *run); int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu, struct kvm_run *run); -int kvm_handle_cp14_access(struct kvm_vcpu *vcpu, struct kvm_run *run); +int kvm_handle_cp14_32(struct kvm_vcpu *vcpu, struct kvm_run *run); +int kvm_handle_cp14_64(struct kvm_vcpu *vcpu, struct kvm_run *run); int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run); int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run); diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c index 2c14b69511e9..6d1d2e26dfe5 100644 --- a/arch/arm/kvm/coproc.c +++ b/arch/arm/kvm/coproc.c @@ -32,6 +32,7 @@ #include <asm/vfp.h> #include "../vfp/vfpinstr.h" +#define CREATE_TRACE_POINTS #include "trace.h" #include "coproc.h" @@ -111,12 +112,6 @@ int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu, struct kvm_run *run) return 1; } -int kvm_handle_cp14_access(struct kvm_vcpu *vcpu, struct kvm_run *run) -{ - kvm_inject_undefined(vcpu); - return 1; -} - static void reset_mpidr(struct kvm_vcpu *vcpu, const struct coproc_reg *r) { /* @@ -284,7 +279,7 @@ static bool access_gic_sre(struct kvm_vcpu *vcpu, * must always support PMCCNTR (the cycle counter): we just RAZ/WI for * all PM registers, which doesn't crash the guest kernel at least. */ -static bool pm_fake(struct kvm_vcpu *vcpu, +static bool trap_raz_wi(struct kvm_vcpu *vcpu, const struct coproc_params *p, const struct coproc_reg *r) { @@ -294,19 +289,19 @@ static bool pm_fake(struct kvm_vcpu *vcpu, return read_zero(vcpu, p); } -#define access_pmcr pm_fake -#define access_pmcntenset pm_fake -#define access_pmcntenclr pm_fake -#define access_pmovsr pm_fake -#define access_pmselr pm_fake -#define access_pmceid0 pm_fake -#define access_pmceid1 pm_fake -#define access_pmccntr pm_fake -#define access_pmxevtyper pm_fake -#define access_pmxevcntr pm_fake -#define access_pmuserenr pm_fake -#define access_pmintenset pm_fake -#define access_pmintenclr pm_fake +#define access_pmcr trap_raz_wi +#define access_pmcntenset trap_raz_wi +#define access_pmcntenclr trap_raz_wi +#define access_pmovsr trap_raz_wi +#define access_pmselr trap_raz_wi +#define access_pmceid0 trap_raz_wi +#define access_pmceid1 trap_raz_wi +#define access_pmccntr trap_raz_wi +#define access_pmxevtyper trap_raz_wi +#define access_pmxevcntr trap_raz_wi +#define access_pmuserenr trap_raz_wi +#define access_pmintenset trap_raz_wi +#define access_pmintenclr trap_raz_wi /* Architected CP15 registers. * CRn denotes the primary register number, but is copied to the CRm in the @@ -532,12 +527,7 @@ static int emulate_cp15(struct kvm_vcpu *vcpu, return 1; } -/** - * kvm_handle_cp15_64 -- handles a mrrc/mcrr trap on a guest CP15 access - * @vcpu: The VCPU pointer - * @run: The kvm_run struct - */ -int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run) +static struct coproc_params decode_64bit_hsr(struct kvm_vcpu *vcpu) { struct coproc_params params; @@ -551,9 +541,38 @@ int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run) params.Rt2 = (kvm_vcpu_get_hsr(vcpu) >> 10) & 0xf; params.CRm = 0; + return params; +} + +/** + * kvm_handle_cp15_64 -- handles a mrrc/mcrr trap on a guest CP15 access + * @vcpu: The VCPU pointer + * @run: The kvm_run struct + */ +int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run) +{ + struct coproc_params params = decode_64bit_hsr(vcpu); + return emulate_cp15(vcpu, ¶ms); } +/** + * kvm_handle_cp14_64 -- handles a mrrc/mcrr trap on a guest CP14 access + * @vcpu: The VCPU pointer + * @run: The kvm_run struct + */ +int kvm_handle_cp14_64(struct kvm_vcpu *vcpu, struct kvm_run *run) +{ + struct coproc_params params = decode_64bit_hsr(vcpu); + + /* raz_wi cp14 */ + trap_raz_wi(vcpu, ¶ms, NULL); + + /* handled */ + kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu)); + return 1; +} + static void reset_coproc_regs(struct kvm_vcpu *vcpu, const struct coproc_reg *table, size_t num) { @@ -564,12 +583,7 @@ static void reset_coproc_regs(struct kvm_vcpu *vcpu, table[i].reset(vcpu, &table[i]); } -/** - * kvm_handle_cp15_32 -- handles a mrc/mcr trap on a guest CP15 access - * @vcpu: The VCPU pointer - * @run: The kvm_run struct - */ -int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run) +static struct coproc_params decode_32bit_hsr(struct kvm_vcpu *vcpu) { struct coproc_params params; @@ -583,9 +597,37 @@ int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run) params.Op2 = (kvm_vcpu_get_hsr(vcpu) >> 17) & 0x7; params.Rt2 = 0; + return params; +} + +/** + * kvm_handle_cp15_32 -- handles a mrc/mcr trap on a guest CP15 access + * @vcpu: The VCPU pointer + * @run: The kvm_run struct + */ +int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run) +{ + struct coproc_params params = decode_32bit_hsr(vcpu); return emulate_cp15(vcpu, ¶ms); } +/** + * kvm_handle_cp14_32 -- handles a mrc/mcr trap on a guest CP14 access + * @vcpu: The VCPU pointer + * @run: The kvm_run struct + */ +int kvm_handle_cp14_32(struct kvm_vcpu *vcpu, struct kvm_run *run) +{ + struct coproc_params params = decode_32bit_hsr(vcpu); + + /* raz_wi cp14 */ + trap_raz_wi(vcpu, ¶ms, NULL); + + /* handled */ + kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu)); + return 1; +} + /****************************************************************************** * Userspace API *****************************************************************************/ diff --git a/arch/arm/kvm/handle_exit.c b/arch/arm/kvm/handle_exit.c index 5fd7968cdae9..f86a9aaef462 100644 --- a/arch/arm/kvm/handle_exit.c +++ b/arch/arm/kvm/handle_exit.c @@ -95,9 +95,9 @@ static exit_handle_fn arm_exit_handlers[] = { [HSR_EC_WFI] = kvm_handle_wfx, [HSR_EC_CP15_32] = kvm_handle_cp15_32, [HSR_EC_CP15_64] = kvm_handle_cp15_64, - [HSR_EC_CP14_MR] = kvm_handle_cp14_access, + [HSR_EC_CP14_MR] = kvm_handle_cp14_32, [HSR_EC_CP14_LS] = kvm_handle_cp14_load_store, - [HSR_EC_CP14_64] = kvm_handle_cp14_access, + [HSR_EC_CP14_64] = kvm_handle_cp14_64, [HSR_EC_CP_0_13] = kvm_handle_cp_0_13_access, [HSR_EC_CP10_ID] = kvm_handle_cp10_id, [HSR_EC_HVC] = handle_hvc, diff --git a/arch/arm/kvm/hyp/Makefile b/arch/arm/kvm/hyp/Makefile index 3023bb530edf..8679405b0b2b 100644 --- a/arch/arm/kvm/hyp/Makefile +++ b/arch/arm/kvm/hyp/Makefile @@ -2,6 +2,8 @@ # Makefile for Kernel-based Virtual Machine module, HYP part # +ccflags-y += -fno-stack-protector + KVM=../../../../virt/kvm obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/vgic-v2-sr.o diff --git a/arch/arm/kvm/hyp/switch.c b/arch/arm/kvm/hyp/switch.c index 92678b7bd046..624a510d31df 100644 --- a/arch/arm/kvm/hyp/switch.c +++ b/arch/arm/kvm/hyp/switch.c @@ -48,7 +48,9 @@ static void __hyp_text __activate_traps(struct kvm_vcpu *vcpu, u32 *fpexc_host) write_sysreg(HSTR_T(15), HSTR); write_sysreg(HCPTR_TTA | HCPTR_TCP(10) | HCPTR_TCP(11), HCPTR); val = read_sysreg(HDCR); - write_sysreg(val | HDCR_TPM | HDCR_TPMCR, HDCR); + val |= HDCR_TPM | HDCR_TPMCR; /* trap performance monitors */ + val |= HDCR_TDRA | HDCR_TDOSA | HDCR_TDA; /* trap debug regs */ + write_sysreg(val, HDCR); } static void __hyp_text __deactivate_traps(struct kvm_vcpu *vcpu) diff --git a/arch/arm/kvm/trace.h b/arch/arm/kvm/trace.h index fc0943776db2..b0d10648c486 100644 --- a/arch/arm/kvm/trace.h +++ b/arch/arm/kvm/trace.h @@ -1,5 +1,5 @@ -#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ) -#define _TRACE_KVM_H +#if !defined(_TRACE_ARM_KVM_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ARM_KVM_H #include <linux/tracepoint.h> @@ -74,10 +74,10 @@ TRACE_EVENT(kvm_hvc, __entry->vcpu_pc, __entry->r0, __entry->imm) ); -#endif /* _TRACE_KVM_H */ +#endif /* _TRACE_ARM_KVM_H */ #undef TRACE_INCLUDE_PATH -#define TRACE_INCLUDE_PATH arch/arm/kvm +#define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE #define TRACE_INCLUDE_FILE trace diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 2cd27c830ab6..283e79ab587d 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -335,7 +335,7 @@ static const struct ramc_info ramc_infos[] __initconst = { { .idle = sama5d3_ddr_standby, .memctrl = AT91_MEMCTRL_DDRSDR}, }; -static const struct of_device_id const ramc_ids[] __initconst = { +static const struct of_device_id ramc_ids[] __initconst = { { .compatible = "atmel,at91rm9200-sdramc", .data = &ramc_infos[0] }, { .compatible = "atmel,at91sam9260-sdramc", .data = &ramc_infos[1] }, { .compatible = "atmel,at91sam9g45-ddramc", .data = &ramc_infos[2] }, diff --git a/arch/arm/mach-bcm/bcm_kona_smc.c b/arch/arm/mach-bcm/bcm_kona_smc.c index cf3f8658f0e5..a55a7ecf146a 100644 --- a/arch/arm/mach-bcm/bcm_kona_smc.c +++ b/arch/arm/mach-bcm/bcm_kona_smc.c @@ -33,7 +33,7 @@ struct bcm_kona_smc_data { unsigned result; }; -static const struct of_device_id const bcm_kona_smc_ids[] __initconst = { +static const struct of_device_id bcm_kona_smc_ids[] __initconst = { {.compatible = "brcm,kona-smc"}, {.compatible = "bcm,kona-smc"}, /* deprecated name */ {}, diff --git a/arch/arm/mach-cns3xxx/core.c b/arch/arm/mach-cns3xxx/core.c index 03da3813f1ab..7d5a44a06648 100644 --- a/arch/arm/mach-cns3xxx/core.c +++ b/arch/arm/mach-cns3xxx/core.c @@ -346,7 +346,7 @@ static struct usb_ohci_pdata cns3xxx_usb_ohci_pdata = { .power_off = csn3xxx_usb_power_off, }; -static const struct of_dev_auxdata const cns3xxx_auxdata[] __initconst = { +static const struct of_dev_auxdata cns3xxx_auxdata[] __initconst = { { "intel,usb-ehci", CNS3XXX_USB_BASE, "ehci-platform", &cns3xxx_usb_ehci_pdata }, { "intel,usb-ohci", CNS3XXX_USB_OHCI_BASE, "ohci-platform", &cns3xxx_usb_ohci_pdata }, { "cavium,cns3420-ahci", CNS3XXX_SATA2_BASE, "ahci", NULL }, diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h index 3089d3bfa19b..8cc6338fcb12 100644 --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -266,11 +266,12 @@ extern int omap4_cpu_kill(unsigned int cpu); extern const struct smp_operations omap4_smp_ops; #endif +extern u32 omap4_get_cpu1_ns_pa_addr(void); + #if defined(CONFIG_SMP) && defined(CONFIG_PM) extern int omap4_mpuss_init(void); extern int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state); extern int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state); -extern u32 omap4_get_cpu1_ns_pa_addr(void); #else static inline int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state) diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c index 03ec6d307c82..4cfc4f9b2c69 100644 --- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c +++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c @@ -213,11 +213,6 @@ static void __init save_l2x0_context(void) {} #endif -u32 omap4_get_cpu1_ns_pa_addr(void) -{ - return old_cpu1_ns_pa_addr; -} - /** * omap4_enter_lowpower: OMAP4 MPUSS Low Power Entry Function * The purpose of this function is to manage low power programming @@ -457,6 +452,11 @@ int __init omap4_mpuss_init(void) #endif +u32 omap4_get_cpu1_ns_pa_addr(void) +{ + return old_cpu1_ns_pa_addr; +} + /* * For kexec, we must set CPU1_WAKEUP_NS_PA_ADDR to point to * current kernel's secondary_startup() early before diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c index 3faf454ba487..33e4953c61a8 100644 --- a/arch/arm/mach-omap2/omap-smp.c +++ b/arch/arm/mach-omap2/omap-smp.c @@ -306,7 +306,6 @@ static void __init omap4_smp_maybe_reset_cpu1(struct omap_smp_config *c) cpu1_startup_pa = readl_relaxed(cfg.wakeupgen_base + OMAP_AUX_CORE_BOOT_1); - cpu1_ns_pa_addr = omap4_get_cpu1_ns_pa_addr(); /* Did the configured secondary_startup() get overwritten? */ if (!omap4_smp_cpu1_startup_valid(cpu1_startup_pa)) @@ -316,9 +315,13 @@ static void __init omap4_smp_maybe_reset_cpu1(struct omap_smp_config *c) * If omap4 or 5 has NS_PA_ADDR configured, CPU1 may be in a * deeper idle state in WFI and will wake to an invalid address. */ - if ((soc_is_omap44xx() || soc_is_omap54xx()) && - !omap4_smp_cpu1_startup_valid(cpu1_ns_pa_addr)) - needs_reset = true; + if ((soc_is_omap44xx() || soc_is_omap54xx())) { + cpu1_ns_pa_addr = omap4_get_cpu1_ns_pa_addr(); + if (!omap4_smp_cpu1_startup_valid(cpu1_ns_pa_addr)) + needs_reset = true; + } else { + cpu1_ns_pa_addr = 0; + } if (!needs_reset || !c->cpu1_rstctrl_va) return; diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c index 2b138b65129a..dc11841ca334 100644 --- a/arch/arm/mach-omap2/prm_common.c +++ b/arch/arm/mach-omap2/prm_common.c @@ -711,7 +711,7 @@ static struct omap_prcm_init_data scrm_data __initdata = { }; #endif -static const struct of_device_id const omap_prcm_dt_match_table[] __initconst = { +static const struct of_device_id omap_prcm_dt_match_table[] __initconst = { #ifdef CONFIG_SOC_AM33XX { .compatible = "ti,am3-prcm", .data = &am3_prm_data }, #endif diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c index 2028167fff31..d76b1e5eb8ba 100644 --- a/arch/arm/mach-omap2/vc.c +++ b/arch/arm/mach-omap2/vc.c @@ -559,7 +559,7 @@ struct i2c_init_data { u8 hsscll_12; }; -static const struct i2c_init_data const omap4_i2c_timing_data[] __initconst = { +static const struct i2c_init_data omap4_i2c_timing_data[] __initconst = { { .load = 50, .loadbits = 0x3, diff --git a/arch/arm/mach-spear/time.c b/arch/arm/mach-spear/time.c index 4878ba90026d..289e036c9c30 100644 --- a/arch/arm/mach-spear/time.c +++ b/arch/arm/mach-spear/time.c @@ -204,7 +204,7 @@ static void __init spear_clockevent_init(int irq) setup_irq(irq, &spear_timer_irq); } -static const struct of_device_id const timer_of_match[] __initconst = { +static const struct of_device_id timer_of_match[] __initconst = { { .compatible = "st,spear-timer", }, { }, }; diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms index 4afcffcb46cb..73272f43ca01 100644 --- a/arch/arm64/Kconfig.platforms +++ b/arch/arm64/Kconfig.platforms @@ -106,8 +106,13 @@ config ARCH_MVEBU select ARMADA_AP806_SYSCON select ARMADA_CP110_SYSCON select ARMADA_37XX_CLK + select GPIOLIB + select GPIOLIB_IRQCHIP select MVEBU_ODMI select MVEBU_PIC + select OF_GPIO + select PINCTRL + select PINCTRL_ARMADA_37XX help This enables support for Marvell EBU familly, including: - Armada 3700 SoC Family diff --git a/arch/arm64/boot/dts/include/arm b/arch/arm64/boot/dts/include/arm deleted file mode 120000 index cf63d80e2b93..000000000000 --- a/arch/arm64/boot/dts/include/arm +++ /dev/null @@ -1 +0,0 @@ -../../../../arm/boot/dts
\ No newline at end of file diff --git a/arch/arm64/boot/dts/include/arm64 b/arch/arm64/boot/dts/include/arm64 deleted file mode 120000 index a96aa0ea9d8c..000000000000 --- a/arch/arm64/boot/dts/include/arm64 +++ /dev/null @@ -1 +0,0 @@ -..
\ No newline at end of file diff --git a/arch/arm64/boot/dts/include/dt-bindings b/arch/arm64/boot/dts/include/dt-bindings deleted file mode 120000 index 08c00e4972fa..000000000000 --- a/arch/arm64/boot/dts/include/dt-bindings +++ /dev/null @@ -1 +0,0 @@ -../../../../../include/dt-bindings
\ No newline at end of file diff --git a/arch/arm64/boot/dts/marvell/armada-3720-db.dts b/arch/arm64/boot/dts/marvell/armada-3720-db.dts index cef5f976bc0f..a89855f57091 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-db.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-db.dts @@ -79,6 +79,8 @@ }; &i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins>; status = "okay"; gpio_exp: pca9555@22 { @@ -113,6 +115,8 @@ &spi0 { status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&spi_quad_pins>; m25p80@0 { compatible = "jedec,spi-nor"; @@ -143,6 +147,8 @@ /* Exported on the micro USB connector CON32 through an FTDI */ &uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pins>; status = "okay"; }; @@ -184,6 +190,8 @@ }; ð0 { + pinctrl-names = "default"; + pinctrl-0 = <&rgmii_pins>; phy-mode = "rgmii-id"; phy = <&phy0>; status = "okay"; diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi index 58ae9e095af2..4d495ec39202 100644 --- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi @@ -161,16 +161,83 @@ #clock-cells = <1>; }; - gpio1: gpio@13800 { - compatible = "marvell,mvebu-gpio-3700", + pinctrl_nb: pinctrl@13800 { + compatible = "marvell,armada3710-nb-pinctrl", "syscon", "simple-mfd"; - reg = <0x13800 0x500>; + reg = <0x13800 0x100>, <0x13C00 0x20>; + gpionb: gpio { + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_nb 0 0 36>; + gpio-controller; + interrupts = + <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>; + + }; xtalclk: xtal-clk { compatible = "marvell,armada-3700-xtal-clock"; clock-output-names = "xtal"; #clock-cells = <0>; }; + + spi_quad_pins: spi-quad-pins { + groups = "spi_quad"; + function = "spi"; + }; + + i2c1_pins: i2c1-pins { + groups = "i2c1"; + function = "i2c"; + }; + + i2c2_pins: i2c2-pins { + groups = "i2c2"; + function = "i2c"; + }; + + uart1_pins: uart1-pins { + groups = "uart1"; + function = "uart"; + }; + + uart2_pins: uart2-pins { + groups = "uart2"; + function = "uart"; + }; + }; + + pinctrl_sb: pinctrl@18800 { + compatible = "marvell,armada3710-sb-pinctrl", + "syscon", "simple-mfd"; + reg = <0x18800 0x100>, <0x18C00 0x20>; + gpiosb: gpio { + #gpio-cells = <2>; + gpio-ranges = <&pinctrl_sb 0 0 29>; + gpio-controller; + interrupts = + <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 159 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>; + }; + + rgmii_pins: mii-pins { + groups = "rgmii"; + function = "mii"; + }; + }; eth0: ethernet@30000 { diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts index 0ecaad4333a7..1c3634fa94bf 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts +++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts @@ -134,6 +134,9 @@ bus-width = <8>; max-frequency = <50000000>; cap-mmc-highspeed; + mediatek,hs200-cmd-int-delay=<26>; + mediatek,hs400-cmd-int-delay=<14>; + mediatek,hs400-cmd-resp-sel-rising; vmmc-supply = <&mt6397_vemc_3v3_reg>; vqmmc-supply = <&mt6397_vio18_reg>; non-removable; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts index 658bb9dc9dfd..7bd31066399b 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts @@ -44,7 +44,7 @@ /dts-v1/; #include "rk3399-gru.dtsi" -#include <include/dt-bindings/input/linux-event-codes.h> +#include <dt-bindings/input/linux-event-codes.h> /* * Kevin-specific things diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index ce072859e3b2..65cdd878cfbd 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -30,7 +30,6 @@ CONFIG_PROFILING=y CONFIG_JUMP_LABEL=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y -# CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set CONFIG_ARCH_SUNXI=y CONFIG_ARCH_ALPINE=y @@ -62,16 +61,15 @@ CONFIG_ARCH_XGENE=y CONFIG_ARCH_ZX=y CONFIG_ARCH_ZYNQMP=y CONFIG_PCI=y -CONFIG_PCI_MSI=y CONFIG_PCI_IOV=y -CONFIG_PCI_AARDVARK=y -CONFIG_PCIE_RCAR=y -CONFIG_PCI_HOST_GENERIC=y -CONFIG_PCI_XGENE=y CONFIG_PCI_LAYERSCAPE=y CONFIG_PCI_HISI=y CONFIG_PCIE_QCOM=y CONFIG_PCIE_ARMADA_8K=y +CONFIG_PCI_AARDVARK=y +CONFIG_PCIE_RCAR=y +CONFIG_PCI_HOST_GENERIC=y +CONFIG_PCI_XGENE=y CONFIG_ARM64_VA_BITS_48=y CONFIG_SCHED_MC=y CONFIG_NUMA=y @@ -80,12 +78,11 @@ CONFIG_KSM=y CONFIG_TRANSPARENT_HUGEPAGE=y CONFIG_CMA=y CONFIG_SECCOMP=y -CONFIG_XEN=y CONFIG_KEXEC=y CONFIG_CRASH_DUMP=y +CONFIG_XEN=y # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set CONFIG_COMPAT=y -CONFIG_CPU_IDLE=y CONFIG_HIBERNATION=y CONFIG_ARM_CPUIDLE=y CONFIG_CPU_FREQ=y @@ -155,8 +152,8 @@ CONFIG_MTD_SPI_NOR=y CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_NBD=m CONFIG_VIRTIO_BLK=y -CONFIG_EEPROM_AT25=m CONFIG_SRAM=y +CONFIG_EEPROM_AT25=m # CONFIG_SCSI_PROC_FS is not set CONFIG_BLK_DEV_SD=y CONFIG_SCSI_SAS_ATA=y @@ -168,8 +165,8 @@ CONFIG_AHCI_CEVA=y CONFIG_AHCI_MVEBU=y CONFIG_AHCI_XGENE=y CONFIG_AHCI_QORIQ=y -CONFIG_SATA_RCAR=y CONFIG_SATA_SIL24=y +CONFIG_SATA_RCAR=y CONFIG_PATA_PLATFORM=y CONFIG_PATA_OF_PLATFORM=y CONFIG_NETDEVICES=y @@ -186,18 +183,17 @@ CONFIG_HNS_ENET=y CONFIG_E1000E=y CONFIG_IGB=y CONFIG_IGBVF=y -CONFIG_MVPP2=y CONFIG_MVNETA=y +CONFIG_MVPP2=y CONFIG_SKY2=y CONFIG_RAVB=y CONFIG_SMC91X=y CONFIG_SMSC911X=y CONFIG_STMMAC_ETH=m -CONFIG_REALTEK_PHY=m +CONFIG_MDIO_BUS_MUX_MMIOREG=y CONFIG_MESON_GXL_PHY=m CONFIG_MICREL_PHY=y -CONFIG_MDIO_BUS_MUX=y -CONFIG_MDIO_BUS_MUX_MMIOREG=y +CONFIG_REALTEK_PHY=m CONFIG_USB_PEGASUS=m CONFIG_USB_RTL8150=m CONFIG_USB_RTL8152=m @@ -230,14 +226,14 @@ CONFIG_SERIAL_8250_UNIPHIER=y CONFIG_SERIAL_OF_PLATFORM=y CONFIG_SERIAL_AMBA_PL011=y CONFIG_SERIAL_AMBA_PL011_CONSOLE=y +CONFIG_SERIAL_MESON=y +CONFIG_SERIAL_MESON_CONSOLE=y CONFIG_SERIAL_SAMSUNG=y CONFIG_SERIAL_SAMSUNG_CONSOLE=y CONFIG_SERIAL_TEGRA=y CONFIG_SERIAL_SH_SCI=y CONFIG_SERIAL_SH_SCI_NR_UARTS=11 CONFIG_SERIAL_SH_SCI_CONSOLE=y -CONFIG_SERIAL_MESON=y -CONFIG_SERIAL_MESON_CONSOLE=y CONFIG_SERIAL_MSM=y CONFIG_SERIAL_MSM_CONSOLE=y CONFIG_SERIAL_XILINX_PS_UART=y @@ -261,14 +257,14 @@ CONFIG_I2C_UNIPHIER_F=y CONFIG_I2C_RCAR=y CONFIG_I2C_CROS_EC_TUNNEL=y CONFIG_SPI=y -CONFIG_SPI_MESON_SPIFC=m CONFIG_SPI_BCM2835=m CONFIG_SPI_BCM2835AUX=m +CONFIG_SPI_MESON_SPIFC=m CONFIG_SPI_ORION=y CONFIG_SPI_PL022=y CONFIG_SPI_QUP=y -CONFIG_SPI_SPIDEV=m CONFIG_SPI_S3C64XX=y +CONFIG_SPI_SPIDEV=m CONFIG_SPMI=y CONFIG_PINCTRL_SINGLE=y CONFIG_PINCTRL_MAX77620=y @@ -286,33 +282,30 @@ CONFIG_GPIO_PCA953X=y CONFIG_GPIO_PCA953X_IRQ=y CONFIG_GPIO_MAX77620=y CONFIG_POWER_RESET_MSM=y -CONFIG_BATTERY_BQ27XXX=y CONFIG_POWER_RESET_XGENE=y CONFIG_POWER_RESET_SYSCON=y +CONFIG_BATTERY_BQ27XXX=y +CONFIG_SENSORS_ARM_SCPI=y CONFIG_SENSORS_LM90=m CONFIG_SENSORS_INA2XX=m -CONFIG_SENSORS_ARM_SCPI=y -CONFIG_THERMAL=y -CONFIG_THERMAL_EMULATION=y CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y CONFIG_CPU_THERMAL=y -CONFIG_BCM2835_THERMAL=y +CONFIG_THERMAL_EMULATION=y CONFIG_EXYNOS_THERMAL=y CONFIG_WATCHDOG=y -CONFIG_BCM2835_WDT=y -CONFIG_RENESAS_WDT=y CONFIG_S3C2410_WATCHDOG=y CONFIG_MESON_GXBB_WATCHDOG=m CONFIG_MESON_WATCHDOG=m +CONFIG_RENESAS_WDT=y +CONFIG_BCM2835_WDT=y +CONFIG_MFD_CROS_EC=y +CONFIG_MFD_CROS_EC_I2C=y CONFIG_MFD_EXYNOS_LPASS=m +CONFIG_MFD_HI655X_PMIC=y CONFIG_MFD_MAX77620=y -CONFIG_MFD_RK808=y CONFIG_MFD_SPMI_PMIC=y +CONFIG_MFD_RK808=y CONFIG_MFD_SEC_CORE=y -CONFIG_MFD_HI655X_PMIC=y -CONFIG_REGULATOR=y -CONFIG_MFD_CROS_EC=y -CONFIG_MFD_CROS_EC_I2C=y CONFIG_REGULATOR_FIXED_VOLTAGE=y CONFIG_REGULATOR_GPIO=y CONFIG_REGULATOR_HI655X=y @@ -345,13 +338,12 @@ CONFIG_DRM_EXYNOS_DSI=y CONFIG_DRM_EXYNOS_HDMI=y CONFIG_DRM_EXYNOS_MIC=y CONFIG_DRM_RCAR_DU=m -CONFIG_DRM_RCAR_HDMI=y CONFIG_DRM_RCAR_LVDS=y CONFIG_DRM_RCAR_VSP=y CONFIG_DRM_TEGRA=m -CONFIG_DRM_VC4=m CONFIG_DRM_PANEL_SIMPLE=m CONFIG_DRM_I2C_ADV7511=m +CONFIG_DRM_VC4=m CONFIG_DRM_HISI_KIRIN=m CONFIG_DRM_MESON=m CONFIG_FB=y @@ -366,39 +358,37 @@ CONFIG_SOUND=y CONFIG_SND=y CONFIG_SND_SOC=y CONFIG_SND_BCM2835_SOC_I2S=m -CONFIG_SND_SOC_RCAR=y CONFIG_SND_SOC_SAMSUNG=y +CONFIG_SND_SOC_RCAR=y CONFIG_SND_SOC_AK4613=y CONFIG_USB=y CONFIG_USB_OTG=y CONFIG_USB_XHCI_HCD=y -CONFIG_USB_XHCI_PLATFORM=y -CONFIG_USB_XHCI_RCAR=y -CONFIG_USB_EHCI_EXYNOS=y CONFIG_USB_XHCI_TEGRA=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_EHCI_MSM=y +CONFIG_USB_EHCI_EXYNOS=y CONFIG_USB_EHCI_HCD_PLATFORM=y -CONFIG_USB_OHCI_EXYNOS=y CONFIG_USB_OHCI_HCD=y +CONFIG_USB_OHCI_EXYNOS=y CONFIG_USB_OHCI_HCD_PLATFORM=y CONFIG_USB_RENESAS_USBHS=m CONFIG_USB_STORAGE=y -CONFIG_USB_DWC2=y CONFIG_USB_DWC3=y +CONFIG_USB_DWC2=y CONFIG_USB_CHIPIDEA=y CONFIG_USB_CHIPIDEA_UDC=y CONFIG_USB_CHIPIDEA_HOST=y CONFIG_USB_ISP1760=y CONFIG_USB_HSIC_USB3503=y CONFIG_USB_MSM_OTG=y +CONFIG_USB_QCOM_8X16_PHY=y CONFIG_USB_ULPI=y CONFIG_USB_GADGET=y CONFIG_USB_RENESAS_USBHS_UDC=m CONFIG_MMC=y CONFIG_MMC_BLOCK_MINORS=32 CONFIG_MMC_ARMMMCI=y -CONFIG_MMC_MESON_GX=y CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_ACPI=y CONFIG_MMC_SDHCI_PLTFM=y @@ -406,6 +396,7 @@ CONFIG_MMC_SDHCI_OF_ARASAN=y CONFIG_MMC_SDHCI_OF_ESDHC=y CONFIG_MMC_SDHCI_CADENCE=y CONFIG_MMC_SDHCI_TEGRA=y +CONFIG_MMC_MESON_GX=y CONFIG_MMC_SDHCI_MSM=y CONFIG_MMC_SPI=y CONFIG_MMC_SDHI=y @@ -414,32 +405,31 @@ CONFIG_MMC_DW_EXYNOS=y CONFIG_MMC_DW_K3=y CONFIG_MMC_DW_ROCKCHIP=y CONFIG_MMC_SUNXI=y -CONFIG_MMC_SDHCI_XENON=y CONFIG_MMC_BCM2835=y +CONFIG_MMC_SDHCI_XENON=y CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y CONFIG_LEDS_GPIO=y CONFIG_LEDS_PWM=y CONFIG_LEDS_SYSCON=y -CONFIG_LEDS_TRIGGERS=y -CONFIG_LEDS_TRIGGER_DEFAULT_ON=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y CONFIG_LEDS_TRIGGER_CPU=y +CONFIG_LEDS_TRIGGER_DEFAULT_ON=y CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_MAX77686=y +CONFIG_RTC_DRV_RK808=m CONFIG_RTC_DRV_S5M=y CONFIG_RTC_DRV_DS3232=y CONFIG_RTC_DRV_EFI=y +CONFIG_RTC_DRV_S3C=y CONFIG_RTC_DRV_PL031=y CONFIG_RTC_DRV_SUN6I=y -CONFIG_RTC_DRV_RK808=m CONFIG_RTC_DRV_TEGRA=y CONFIG_RTC_DRV_XGENE=y -CONFIG_RTC_DRV_S3C=y CONFIG_DMADEVICES=y +CONFIG_DMA_BCM2835=m CONFIG_MV_XOR_V2=y CONFIG_PL330_DMA=y -CONFIG_DMA_BCM2835=m CONFIG_TEGRA20_APB_DMA=y CONFIG_QCOM_BAM_DMA=y CONFIG_QCOM_HIDMA_MGMT=y @@ -452,52 +442,53 @@ CONFIG_VIRTIO_BALLOON=y CONFIG_VIRTIO_MMIO=y CONFIG_XEN_GNTDEV=y CONFIG_XEN_GRANT_DEV_ALLOC=y +CONFIG_COMMON_CLK_RK808=y CONFIG_COMMON_CLK_SCPI=y CONFIG_COMMON_CLK_CS2000_CP=y CONFIG_COMMON_CLK_S2MPS11=y -CONFIG_COMMON_CLK_PWM=y -CONFIG_COMMON_CLK_RK808=y CONFIG_CLK_QORIQ=y +CONFIG_COMMON_CLK_PWM=y CONFIG_COMMON_CLK_QCOM=y +CONFIG_QCOM_CLK_SMD_RPM=y CONFIG_MSM_GCC_8916=y CONFIG_MSM_GCC_8994=y CONFIG_MSM_MMCC_8996=y CONFIG_HWSPINLOCK_QCOM=y -CONFIG_MAILBOX=y CONFIG_ARM_MHU=y CONFIG_PLATFORM_MHU=y CONFIG_BCM2835_MBOX=y CONFIG_HI6220_MBOX=y CONFIG_ARM_SMMU=y CONFIG_ARM_SMMU_V3=y +CONFIG_RPMSG_QCOM_SMD=y CONFIG_RASPBERRYPI_POWER=y CONFIG_QCOM_SMEM=y -CONFIG_QCOM_SMD=y CONFIG_QCOM_SMD_RPM=y +CONFIG_QCOM_SMP2P=y +CONFIG_QCOM_SMSM=y CONFIG_ROCKCHIP_PM_DOMAINS=y CONFIG_ARCH_TEGRA_132_SOC=y CONFIG_ARCH_TEGRA_210_SOC=y CONFIG_ARCH_TEGRA_186_SOC=y CONFIG_EXTCON_USB_GPIO=y +CONFIG_IIO=y +CONFIG_EXYNOS_ADC=y CONFIG_PWM=y CONFIG_PWM_BCM2835=m +CONFIG_PWM_MESON=m CONFIG_PWM_ROCKCHIP=y +CONFIG_PWM_SAMSUNG=y CONFIG_PWM_TEGRA=m -CONFIG_PWM_MESON=m -CONFIG_COMMON_RESET_HI6220=y CONFIG_PHY_RCAR_GEN3_USB2=y CONFIG_PHY_HI6220_USB=y +CONFIG_PHY_SUN4I_USB=y CONFIG_PHY_ROCKCHIP_INNO_USB2=y CONFIG_PHY_ROCKCHIP_EMMC=y -CONFIG_PHY_SUN4I_USB=y CONFIG_PHY_XGENE=y CONFIG_PHY_TEGRA_XUSB=y CONFIG_ARM_SCPI_PROTOCOL=y -CONFIG_ACPI=y -CONFIG_IIO=y -CONFIG_EXYNOS_ADC=y -CONFIG_PWM_SAMSUNG=y CONFIG_RASPBERRYPI_FIRMWARE=y +CONFIG_ACPI=y CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y CONFIG_EXT4_FS_POSIX_ACL=y @@ -511,7 +502,6 @@ CONFIG_FUSE_FS=m CONFIG_CUSE=m CONFIG_OVERLAY_FS=m CONFIG_VFAT_FS=y -CONFIG_TMPFS=y CONFIG_HUGETLBFS=y CONFIG_CONFIGFS_FS=y CONFIG_EFIVAR_FS=y @@ -539,11 +529,9 @@ CONFIG_MEMTEST=y CONFIG_SECURITY=y CONFIG_CRYPTO_ECHAINIV=y CONFIG_CRYPTO_ANSI_CPRNG=y -CONFIG_CRYPTO_DEV_SAFEXCEL=m CONFIG_ARM64_CRYPTO=y CONFIG_CRYPTO_SHA1_ARM64_CE=y CONFIG_CRYPTO_SHA2_ARM64_CE=y CONFIG_CRYPTO_GHASH_ARM64_CE=y CONFIG_CRYPTO_AES_ARM64_CE_CCM=y CONFIG_CRYPTO_AES_ARM64_CE_BLK=y -# CONFIG_CRYPTO_AES_ARM64_NEON_BLK is not set diff --git a/arch/arm64/include/asm/atomic_ll_sc.h b/arch/arm64/include/asm/atomic_ll_sc.h index f819fdcff1ac..f5a2d09afb38 100644 --- a/arch/arm64/include/asm/atomic_ll_sc.h +++ b/arch/arm64/include/asm/atomic_ll_sc.h @@ -264,7 +264,6 @@ __LL_SC_PREFIX(__cmpxchg_case_##name(volatile void *ptr, \ " st" #rel "xr" #sz "\t%w[tmp], %" #w "[new], %[v]\n" \ " cbnz %w[tmp], 1b\n" \ " " #mb "\n" \ - " mov %" #w "[oldval], %" #w "[old]\n" \ "2:" \ : [tmp] "=&r" (tmp), [oldval] "=&r" (oldval), \ [v] "+Q" (*(unsigned long *)ptr) \ diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index e7f84a7b4465..428ee1f2468c 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -115,6 +115,7 @@ struct arm64_cpu_capabilities { extern DECLARE_BITMAP(cpu_hwcaps, ARM64_NCAPS); extern struct static_key_false cpu_hwcap_keys[ARM64_NCAPS]; +extern struct static_key_false arm64_const_caps_ready; bool this_cpu_has_cap(unsigned int cap); @@ -124,7 +125,7 @@ static inline bool cpu_have_feature(unsigned int num) } /* System capability check for constant caps */ -static inline bool cpus_have_const_cap(int num) +static inline bool __cpus_have_const_cap(int num) { if (num >= ARM64_NCAPS) return false; @@ -138,6 +139,14 @@ static inline bool cpus_have_cap(unsigned int num) return test_bit(num, cpu_hwcaps); } +static inline bool cpus_have_const_cap(int num) +{ + if (static_branch_likely(&arm64_const_caps_ready)) + return __cpus_have_const_cap(num); + else + return cpus_have_cap(num); +} + static inline void cpus_set_cap(unsigned int num) { if (num >= ARM64_NCAPS) { @@ -145,7 +154,6 @@ static inline void cpus_set_cap(unsigned int num) num, ARM64_NCAPS); } else { __set_bit(num, cpu_hwcaps); - static_branch_enable(&cpu_hwcap_keys[num]); } } diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 5e19165c5fa8..1f252a95bc02 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -24,6 +24,7 @@ #include <linux/types.h> #include <linux/kvm_types.h> +#include <asm/cpufeature.h> #include <asm/kvm.h> #include <asm/kvm_asm.h> #include <asm/kvm_mmio.h> @@ -355,9 +356,12 @@ static inline void __cpu_init_hyp_mode(phys_addr_t pgd_ptr, unsigned long vector_ptr) { /* - * Call initialization code, and switch to the full blown - * HYP code. + * Call initialization code, and switch to the full blown HYP code. + * If the cpucaps haven't been finalized yet, something has gone very + * wrong, and hyp will crash and burn when it uses any + * cpus_have_const_cap() wrapper. */ + BUG_ON(!static_branch_likely(&arm64_const_caps_ready)); __kvm_call_hyp((void *)pgd_ptr, hyp_stack_ptr, vector_ptr); } diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 94b8f7fc3310..817ce3365e20 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -985,8 +985,16 @@ void update_cpu_capabilities(const struct arm64_cpu_capabilities *caps, */ void __init enable_cpu_capabilities(const struct arm64_cpu_capabilities *caps) { - for (; caps->matches; caps++) - if (caps->enable && cpus_have_cap(caps->capability)) + for (; caps->matches; caps++) { + unsigned int num = caps->capability; + + if (!cpus_have_cap(num)) + continue; + + /* Ensure cpus_have_const_cap(num) works */ + static_branch_enable(&cpu_hwcap_keys[num]); + + if (caps->enable) { /* * Use stop_machine() as it schedules the work allowing * us to modify PSTATE, instead of on_each_cpu() which @@ -994,6 +1002,8 @@ void __init enable_cpu_capabilities(const struct arm64_cpu_capabilities *caps) * we return. */ stop_machine(caps->enable, NULL, cpu_online_mask); + } + } } /* @@ -1096,6 +1106,14 @@ static void __init setup_feature_capabilities(void) enable_cpu_capabilities(arm64_features); } +DEFINE_STATIC_KEY_FALSE(arm64_const_caps_ready); +EXPORT_SYMBOL(arm64_const_caps_ready); + +static void __init mark_const_caps_ready(void) +{ + static_branch_enable(&arm64_const_caps_ready); +} + /* * Check if the current CPU has a given feature capability. * Should be called from non-preemptible context. @@ -1131,6 +1149,7 @@ void __init setup_cpu_features(void) /* Set the CPU feature capabilies */ setup_feature_capabilities(); enable_errata_workarounds(); + mark_const_caps_ready(); setup_elf_hwcaps(arm64_elf_hwcaps); if (system_supports_32bit_el0()) diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index bcc79471b38e..83a1b1ad189f 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -877,15 +877,24 @@ static int armv8pmu_set_event_filter(struct hw_perf_event *event, if (attr->exclude_idle) return -EPERM; - if (is_kernel_in_hyp_mode() && - attr->exclude_kernel != attr->exclude_hv) - return -EINVAL; + + /* + * If we're running in hyp mode, then we *are* the hypervisor. + * Therefore we ignore exclude_hv in this configuration, since + * there's no hypervisor to sample anyway. This is consistent + * with other architectures (x86 and Power). + */ + if (is_kernel_in_hyp_mode()) { + if (!attr->exclude_kernel) + config_base |= ARMV8_PMU_INCLUDE_EL2; + } else { + if (attr->exclude_kernel) + config_base |= ARMV8_PMU_EXCLUDE_EL1; + if (!attr->exclude_hv) + config_base |= ARMV8_PMU_INCLUDE_EL2; + } if (attr->exclude_user) config_base |= ARMV8_PMU_EXCLUDE_EL0; - if (!is_kernel_in_hyp_mode() && attr->exclude_kernel) - config_base |= ARMV8_PMU_EXCLUDE_EL1; - if (!attr->exclude_hv) - config_base |= ARMV8_PMU_INCLUDE_EL2; /* * Install the filter into config_base as this is used to diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile index aaf42ae8d8c3..14c4e3b14bcb 100644 --- a/arch/arm64/kvm/hyp/Makefile +++ b/arch/arm64/kvm/hyp/Makefile @@ -2,6 +2,8 @@ # Makefile for Kernel-based Virtual Machine module, HYP part # +ccflags-y += -fno-stack-protector + KVM=../../../../virt/kvm obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/vgic-v2-sr.o diff --git a/arch/cris/boot/dts/include/dt-bindings b/arch/cris/boot/dts/include/dt-bindings deleted file mode 120000 index 08c00e4972fa..000000000000 --- a/arch/cris/boot/dts/include/dt-bindings +++ /dev/null @@ -1 +0,0 @@ -../../../../../include/dt-bindings
\ No newline at end of file diff --git a/arch/metag/boot/dts/include/dt-bindings b/arch/metag/boot/dts/include/dt-bindings deleted file mode 120000 index 08c00e4972fa..000000000000 --- a/arch/metag/boot/dts/include/dt-bindings +++ /dev/null @@ -1 +0,0 @@ -../../../../../include/dt-bindings
\ No newline at end of file diff --git a/arch/mips/boot/dts/include/dt-bindings b/arch/mips/boot/dts/include/dt-bindings deleted file mode 120000 index 08c00e4972fa..000000000000 --- a/arch/mips/boot/dts/include/dt-bindings +++ /dev/null @@ -1 +0,0 @@ -../../../../../include/dt-bindings
\ No newline at end of file diff --git a/arch/powerpc/boot/dts/include/dt-bindings b/arch/powerpc/boot/dts/include/dt-bindings deleted file mode 120000 index 08c00e4972fa..000000000000 --- a/arch/powerpc/boot/dts/include/dt-bindings +++ /dev/null @@ -1 +0,0 @@ -../../../../../include/dt-bindings
\ No newline at end of file diff --git a/arch/powerpc/include/asm/module.h b/arch/powerpc/include/asm/module.h index 53885512b8d3..6c0132c7212f 100644 --- a/arch/powerpc/include/asm/module.h +++ b/arch/powerpc/include/asm/module.h @@ -14,6 +14,10 @@ #include <asm-generic/module.h> +#ifdef CC_USING_MPROFILE_KERNEL +#define MODULE_ARCH_VERMAGIC "mprofile-kernel" +#endif + #ifndef __powerpc64__ /* * Thanks to Paul M for explaining this. diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index 2a32483c7b6c..8da5d4c1cab2 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -132,7 +132,19 @@ extern long long virt_phys_offset; #define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT) #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) + +#ifdef CONFIG_PPC_BOOK3S_64 +/* + * On hash the vmalloc and other regions alias to the kernel region when passed + * through __pa(), which virt_to_pfn() uses. That means virt_addr_valid() can + * return true for some vmalloc addresses, which is incorrect. So explicitly + * check that the address is in the kernel region. + */ +#define virt_addr_valid(kaddr) (REGION_ID(kaddr) == KERNEL_REGION_ID && \ + pfn_valid(virt_to_pfn(kaddr))) +#else #define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr)) +#endif /* * On Book-E parts we need __va to parse the device tree and we can't diff --git a/arch/powerpc/kernel/idle_book3s.S b/arch/powerpc/kernel/idle_book3s.S index 07d4e0ad60db..4898d676dcae 100644 --- a/arch/powerpc/kernel/idle_book3s.S +++ b/arch/powerpc/kernel/idle_book3s.S @@ -416,7 +416,7 @@ power9_dd1_recover_paca: * which needs to be restored from the stack. */ li r3, 1 - stb r0,PACA_NAPSTATELOST(r13) + stb r3,PACA_NAPSTATELOST(r13) blr /* diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index 160ae0fa7d0d..fc4343514bed 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -305,16 +305,17 @@ int kprobe_handler(struct pt_regs *regs) save_previous_kprobe(kcb); set_current_kprobe(p, regs, kcb); kprobes_inc_nmissed_count(p); - prepare_singlestep(p, regs); kcb->kprobe_status = KPROBE_REENTER; if (p->ainsn.boostable >= 0) { ret = try_to_emulate(p, regs); if (ret > 0) { restore_previous_kprobe(kcb); + preempt_enable_no_resched(); return 1; } } + prepare_singlestep(p, regs); return 1; } else { if (*addr != BREAKPOINT_INSTRUCTION) { diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index d645da302bf2..baae104b16c7 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -864,6 +864,25 @@ static void tm_reclaim_thread(struct thread_struct *thr, if (!MSR_TM_SUSPENDED(mfmsr())) return; + /* + * If we are in a transaction and FP is off then we can't have + * used FP inside that transaction. Hence the checkpointed + * state is the same as the live state. We need to copy the + * live state to the checkpointed state so that when the + * transaction is restored, the checkpointed state is correct + * and the aborted transaction sees the correct state. We use + * ckpt_regs.msr here as that's what tm_reclaim will use to + * determine if it's going to write the checkpointed state or + * not. So either this will write the checkpointed registers, + * or reclaim will. Similarly for VMX. + */ + if ((thr->ckpt_regs.msr & MSR_FP) == 0) + memcpy(&thr->ckfp_state, &thr->fp_state, + sizeof(struct thread_fp_state)); + if ((thr->ckpt_regs.msr & MSR_VEC) == 0) + memcpy(&thr->ckvr_state, &thr->vr_state, + sizeof(struct thread_vr_state)); + giveup_all(container_of(thr, struct task_struct, thread)); tm_reclaim(thr, thr->ckpt_regs.msr, cause); diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index 24de532c1736..0c52cb5d43f5 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -67,7 +67,7 @@ config KVM_BOOK3S_64 select KVM_BOOK3S_64_HANDLER select KVM select KVM_BOOK3S_PR_POSSIBLE if !KVM_BOOK3S_HV_POSSIBLE - select SPAPR_TCE_IOMMU if IOMMU_SUPPORT + select SPAPR_TCE_IOMMU if IOMMU_SUPPORT && (PPC_SERIES || PPC_POWERNV) ---help--- Support running unmodified book3s_64 and book3s_32 guest kernels in virtual machines on book3s_64 host processors. diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile index d91a2604c496..381a6ec0ff3b 100644 --- a/arch/powerpc/kvm/Makefile +++ b/arch/powerpc/kvm/Makefile @@ -46,7 +46,7 @@ kvm-e500mc-objs := \ e500_emulate.o kvm-objs-$(CONFIG_KVM_E500MC) := $(kvm-e500mc-objs) -kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_HANDLER) := \ +kvm-book3s_64-builtin-objs-$(CONFIG_SPAPR_TCE_IOMMU) := \ book3s_64_vio_hv.o kvm-pr-y := \ @@ -90,11 +90,11 @@ kvm-book3s_64-objs-$(CONFIG_KVM_XICS) += \ book3s_xics.o kvm-book3s_64-objs-$(CONFIG_KVM_XIVE) += book3s_xive.o +kvm-book3s_64-objs-$(CONFIG_SPAPR_TCE_IOMMU) += book3s_64_vio.o kvm-book3s_64-module-objs := \ $(common-objs-y) \ book3s.o \ - book3s_64_vio.o \ book3s_rtas.o \ $(kvm-book3s_64-objs-y) diff --git a/arch/powerpc/kvm/book3s_64_vio_hv.c b/arch/powerpc/kvm/book3s_64_vio_hv.c index eda0a8f6fae8..3adfd2f5301c 100644 --- a/arch/powerpc/kvm/book3s_64_vio_hv.c +++ b/arch/powerpc/kvm/book3s_64_vio_hv.c @@ -301,6 +301,10 @@ long kvmppc_rm_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn, /* udbg_printf("H_PUT_TCE(): liobn=0x%lx ioba=0x%lx, tce=0x%lx\n", */ /* liobn, ioba, tce); */ + /* For radix, we might be in virtual mode, so punt */ + if (kvm_is_radix(vcpu->kvm)) + return H_TOO_HARD; + stt = kvmppc_find_table(vcpu->kvm, liobn); if (!stt) return H_TOO_HARD; @@ -381,6 +385,10 @@ long kvmppc_rm_h_put_tce_indirect(struct kvm_vcpu *vcpu, bool prereg = false; struct kvmppc_spapr_tce_iommu_table *stit; + /* For radix, we might be in virtual mode, so punt */ + if (kvm_is_radix(vcpu->kvm)) + return H_TOO_HARD; + stt = kvmppc_find_table(vcpu->kvm, liobn); if (!stt) return H_TOO_HARD; @@ -491,6 +499,10 @@ long kvmppc_rm_h_stuff_tce(struct kvm_vcpu *vcpu, long i, ret; struct kvmppc_spapr_tce_iommu_table *stit; + /* For radix, we might be in virtual mode, so punt */ + if (kvm_is_radix(vcpu->kvm)) + return H_TOO_HARD; + stt = kvmppc_find_table(vcpu->kvm, liobn); if (!stt) return H_TOO_HARD; @@ -527,6 +539,7 @@ long kvmppc_rm_h_stuff_tce(struct kvm_vcpu *vcpu, return H_SUCCESS; } +/* This can be called in either virtual mode or real mode */ long kvmppc_h_get_tce(struct kvm_vcpu *vcpu, unsigned long liobn, unsigned long ioba) { diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c b/arch/powerpc/kvm/book3s_hv_builtin.c index 88a65923c649..ee4c2558c305 100644 --- a/arch/powerpc/kvm/book3s_hv_builtin.c +++ b/arch/powerpc/kvm/book3s_hv_builtin.c @@ -207,7 +207,14 @@ EXPORT_SYMBOL_GPL(kvmppc_hwrng_present); long kvmppc_h_random(struct kvm_vcpu *vcpu) { - if (powernv_get_random_real_mode(&vcpu->arch.gpr[4])) + int r; + + /* Only need to do the expensive mfmsr() on radix */ + if (kvm_is_radix(vcpu->kvm) && (mfmsr() & MSR_IR)) + r = powernv_get_random_long(&vcpu->arch.gpr[4]); + else + r = powernv_get_random_real_mode(&vcpu->arch.gpr[4]); + if (r) return H_SUCCESS; return H_HARDWARE; diff --git a/arch/powerpc/kvm/book3s_pr_papr.c b/arch/powerpc/kvm/book3s_pr_papr.c index bcbeeb62dd13..8a4205fa774f 100644 --- a/arch/powerpc/kvm/book3s_pr_papr.c +++ b/arch/powerpc/kvm/book3s_pr_papr.c @@ -50,7 +50,9 @@ static int kvmppc_h_pr_enter(struct kvm_vcpu *vcpu) pteg_addr = get_pteg_addr(vcpu, pte_index); mutex_lock(&vcpu->kvm->arch.hpt_mutex); - copy_from_user(pteg, (void __user *)pteg_addr, sizeof(pteg)); + ret = H_FUNCTION; + if (copy_from_user(pteg, (void __user *)pteg_addr, sizeof(pteg))) + goto done; hpte = pteg; ret = H_PTEG_FULL; @@ -71,7 +73,9 @@ static int kvmppc_h_pr_enter(struct kvm_vcpu *vcpu) hpte[0] = cpu_to_be64(kvmppc_get_gpr(vcpu, 6)); hpte[1] = cpu_to_be64(kvmppc_get_gpr(vcpu, 7)); pteg_addr += i * HPTE_SIZE; - copy_to_user((void __user *)pteg_addr, hpte, HPTE_SIZE); + ret = H_FUNCTION; + if (copy_to_user((void __user *)pteg_addr, hpte, HPTE_SIZE)) + goto done; kvmppc_set_gpr(vcpu, 4, pte_index | i); ret = H_SUCCESS; @@ -93,7 +97,9 @@ static int kvmppc_h_pr_remove(struct kvm_vcpu *vcpu) pteg = get_pteg_addr(vcpu, pte_index); mutex_lock(&vcpu->kvm->arch.hpt_mutex); - copy_from_user(pte, (void __user *)pteg, sizeof(pte)); + ret = H_FUNCTION; + if (copy_from_user(pte, (void __user *)pteg, sizeof(pte))) + goto done; pte[0] = be64_to_cpu((__force __be64)pte[0]); pte[1] = be64_to_cpu((__force __be64)pte[1]); @@ -103,7 +109,9 @@ static int kvmppc_h_pr_remove(struct kvm_vcpu *vcpu) ((flags & H_ANDCOND) && (pte[0] & avpn) != 0)) goto done; - copy_to_user((void __user *)pteg, &v, sizeof(v)); + ret = H_FUNCTION; + if (copy_to_user((void __user *)pteg, &v, sizeof(v))) + goto done; rb = compute_tlbie_rb(pte[0], pte[1], pte_index); vcpu->arch.mmu.tlbie(vcpu, rb, rb & 1 ? true : false); @@ -171,7 +179,10 @@ static int kvmppc_h_pr_bulk_remove(struct kvm_vcpu *vcpu) } pteg = get_pteg_addr(vcpu, tsh & H_BULK_REMOVE_PTEX); - copy_from_user(pte, (void __user *)pteg, sizeof(pte)); + if (copy_from_user(pte, (void __user *)pteg, sizeof(pte))) { + ret = H_FUNCTION; + break; + } pte[0] = be64_to_cpu((__force __be64)pte[0]); pte[1] = be64_to_cpu((__force __be64)pte[1]); @@ -184,7 +195,10 @@ static int kvmppc_h_pr_bulk_remove(struct kvm_vcpu *vcpu) tsh |= H_BULK_REMOVE_NOT_FOUND; } else { /* Splat the pteg in (userland) hpt */ - copy_to_user((void __user *)pteg, &v, sizeof(v)); + if (copy_to_user((void __user *)pteg, &v, sizeof(v))) { + ret = H_FUNCTION; + break; + } rb = compute_tlbie_rb(pte[0], pte[1], tsh & H_BULK_REMOVE_PTEX); @@ -211,7 +225,9 @@ static int kvmppc_h_pr_protect(struct kvm_vcpu *vcpu) pteg = get_pteg_addr(vcpu, pte_index); mutex_lock(&vcpu->kvm->arch.hpt_mutex); - copy_from_user(pte, (void __user *)pteg, sizeof(pte)); + ret = H_FUNCTION; + if (copy_from_user(pte, (void __user *)pteg, sizeof(pte))) + goto done; pte[0] = be64_to_cpu((__force __be64)pte[0]); pte[1] = be64_to_cpu((__force __be64)pte[1]); @@ -234,7 +250,9 @@ static int kvmppc_h_pr_protect(struct kvm_vcpu *vcpu) vcpu->arch.mmu.tlbie(vcpu, rb, rb & 1 ? true : false); pte[0] = (__force u64)cpu_to_be64(pte[0]); pte[1] = (__force u64)cpu_to_be64(pte[1]); - copy_to_user((void __user *)pteg, pte, sizeof(pte)); + ret = H_FUNCTION; + if (copy_to_user((void __user *)pteg, pte, sizeof(pte))) + goto done; ret = H_SUCCESS; done: @@ -244,36 +262,37 @@ static int kvmppc_h_pr_protect(struct kvm_vcpu *vcpu) return EMULATE_DONE; } -static int kvmppc_h_pr_put_tce(struct kvm_vcpu *vcpu) +static int kvmppc_h_pr_logical_ci_load(struct kvm_vcpu *vcpu) { - unsigned long liobn = kvmppc_get_gpr(vcpu, 4); - unsigned long ioba = kvmppc_get_gpr(vcpu, 5); - unsigned long tce = kvmppc_get_gpr(vcpu, 6); long rc; - rc = kvmppc_h_put_tce(vcpu, liobn, ioba, tce); + rc = kvmppc_h_logical_ci_load(vcpu); if (rc == H_TOO_HARD) return EMULATE_FAIL; kvmppc_set_gpr(vcpu, 3, rc); return EMULATE_DONE; } -static int kvmppc_h_pr_logical_ci_load(struct kvm_vcpu *vcpu) +static int kvmppc_h_pr_logical_ci_store(struct kvm_vcpu *vcpu) { long rc; - rc = kvmppc_h_logical_ci_load(vcpu); + rc = kvmppc_h_logical_ci_store(vcpu); if (rc == H_TOO_HARD) return EMULATE_FAIL; kvmppc_set_gpr(vcpu, 3, rc); return EMULATE_DONE; } -static int kvmppc_h_pr_logical_ci_store(struct kvm_vcpu *vcpu) +#ifdef CONFIG_SPAPR_TCE_IOMMU +static int kvmppc_h_pr_put_tce(struct kvm_vcpu *vcpu) { + unsigned long liobn = kvmppc_get_gpr(vcpu, 4); + unsigned long ioba = kvmppc_get_gpr(vcpu, 5); + unsigned long tce = kvmppc_get_gpr(vcpu, 6); long rc; - rc = kvmppc_h_logical_ci_store(vcpu); + rc = kvmppc_h_put_tce(vcpu, liobn, ioba, tce); if (rc == H_TOO_HARD) return EMULATE_FAIL; kvmppc_set_gpr(vcpu, 3, rc); @@ -311,6 +330,23 @@ static int kvmppc_h_pr_stuff_tce(struct kvm_vcpu *vcpu) return EMULATE_DONE; } +#else /* CONFIG_SPAPR_TCE_IOMMU */ +static int kvmppc_h_pr_put_tce(struct kvm_vcpu *vcpu) +{ + return EMULATE_FAIL; +} + +static int kvmppc_h_pr_put_tce_indirect(struct kvm_vcpu *vcpu) +{ + return EMULATE_FAIL; +} + +static int kvmppc_h_pr_stuff_tce(struct kvm_vcpu *vcpu) +{ + return EMULATE_FAIL; +} +#endif /* CONFIG_SPAPR_TCE_IOMMU */ + static int kvmppc_h_pr_xics_hcall(struct kvm_vcpu *vcpu, u32 cmd) { long rc = kvmppc_xics_hcall(vcpu, cmd); diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index f7cf2cd564ef..7f71ab5fcad1 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -1749,7 +1749,7 @@ long kvm_arch_vm_ioctl(struct file *filp, r = kvm_vm_ioctl_enable_cap(kvm, &cap); break; } -#ifdef CONFIG_PPC_BOOK3S_64 +#ifdef CONFIG_SPAPR_TCE_IOMMU case KVM_CREATE_SPAPR_TCE_64: { struct kvm_create_spapr_tce_64 create_tce_64; @@ -1780,6 +1780,8 @@ long kvm_arch_vm_ioctl(struct file *filp, r = kvm_vm_ioctl_create_spapr_tce(kvm, &create_tce_64); goto out; } +#endif +#ifdef CONFIG_PPC_BOOK3S_64 case KVM_PPC_GET_SMMU_INFO: { struct kvm_ppc_smmu_info info; struct kvm *kvm = filp->private_data; diff --git a/arch/powerpc/mm/dump_linuxpagetables.c b/arch/powerpc/mm/dump_linuxpagetables.c index d659345a98d6..44fe4833910f 100644 --- a/arch/powerpc/mm/dump_linuxpagetables.c +++ b/arch/powerpc/mm/dump_linuxpagetables.c @@ -16,6 +16,7 @@ */ #include <linux/debugfs.h> #include <linux/fs.h> +#include <linux/hugetlb.h> #include <linux/io.h> #include <linux/mm.h> #include <linux/sched.h> @@ -391,7 +392,7 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start) for (i = 0; i < PTRS_PER_PMD; i++, pmd++) { addr = start + i * PMD_SIZE; - if (!pmd_none(*pmd)) + if (!pmd_none(*pmd) && !pmd_huge(*pmd)) /* pmd exists */ walk_pte(st, pmd, addr); else @@ -407,7 +408,7 @@ static void walk_pud(struct pg_state *st, pgd_t *pgd, unsigned long start) for (i = 0; i < PTRS_PER_PUD; i++, pud++) { addr = start + i * PUD_SIZE; - if (!pud_none(*pud)) + if (!pud_none(*pud) && !pud_huge(*pud)) /* pud exists */ walk_pmd(st, pud, addr); else @@ -427,7 +428,7 @@ static void walk_pagetables(struct pg_state *st) */ for (i = 0; i < PTRS_PER_PGD; i++, pgd++) { addr = KERN_VIRT_START + i * PGDIR_SIZE; - if (!pgd_none(*pgd)) + if (!pgd_none(*pgd) && !pgd_huge(*pgd)) /* pgd exists */ walk_pud(st, pgd, addr); else diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 9c761fea0c98..695605eb1dfb 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -43,7 +43,7 @@ #define KVM_PRIVATE_MEM_SLOTS 3 #define KVM_MEM_SLOTS_NUM (KVM_USER_MEM_SLOTS + KVM_PRIVATE_MEM_SLOTS) -#define KVM_HALT_POLL_NS_DEFAULT 400000 +#define KVM_HALT_POLL_NS_DEFAULT 200000 #define KVM_IRQCHIP_NUM_PINS KVM_IOAPIC_NUM_PINS diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 68766b276d9e..a059aac9e937 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -319,10 +319,10 @@ do { \ #define __get_user_asm_u64(x, ptr, retval, errret) \ ({ \ __typeof__(ptr) __ptr = (ptr); \ - asm volatile(ASM_STAC "\n" \ + asm volatile("\n" \ "1: movl %2,%%eax\n" \ "2: movl %3,%%edx\n" \ - "3: " ASM_CLAC "\n" \ + "3:\n" \ ".section .fixup,\"ax\"\n" \ "4: mov %4,%0\n" \ " xorl %%eax,%%eax\n" \ @@ -331,7 +331,7 @@ do { \ ".previous\n" \ _ASM_EXTABLE(1b, 4b) \ _ASM_EXTABLE(2b, 4b) \ - : "=r" (retval), "=A"(x) \ + : "=r" (retval), "=&A"(x) \ : "m" (__m(__ptr)), "m" __m(((u32 *)(__ptr)) + 1), \ "i" (errret), "0" (retval)); \ }) @@ -703,14 +703,15 @@ extern struct movsl_mask { #define unsafe_put_user(x, ptr, err_label) \ do { \ int __pu_err; \ - __put_user_size((x), (ptr), sizeof(*(ptr)), __pu_err, -EFAULT); \ + __typeof__(*(ptr)) __pu_val = (x); \ + __put_user_size(__pu_val, (ptr), sizeof(*(ptr)), __pu_err, -EFAULT); \ if (unlikely(__pu_err)) goto err_label; \ } while (0) #define unsafe_get_user(x, ptr, err_label) \ do { \ int __gu_err; \ - unsigned long __gu_val; \ + __inttype(*(ptr)) __gu_val; \ __get_user_size(__gu_val, (ptr), sizeof(*(ptr)), __gu_err, -EFAULT); \ (x) = (__force __typeof__(*(ptr)))__gu_val; \ if (unlikely(__gu_err)) goto err_label; \ diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c index c2f8dde3255c..d5d44c452624 100644 --- a/arch/x86/kernel/fpu/init.c +++ b/arch/x86/kernel/fpu/init.c @@ -90,6 +90,7 @@ static void fpu__init_system_early_generic(struct cpuinfo_x86 *c) * Boot time FPU feature detection code: */ unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu; +EXPORT_SYMBOL_GPL(mxcsr_feature_mask); static void __init fpu__init_system_mxcsr(void) { diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index c25cfaf584e7..0816ab2e8adc 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -4173,7 +4173,7 @@ static int check_dr_write(struct x86_emulate_ctxt *ctxt) static int check_svme(struct x86_emulate_ctxt *ctxt) { - u64 efer; + u64 efer = 0; ctxt->ops->get_msr(ctxt, MSR_EFER, &efer); diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 56241746abbd..b0454c7e4cff 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -283,11 +283,13 @@ static int FNAME(walk_addr_generic)(struct guest_walker *walker, pt_element_t pte; pt_element_t __user *uninitialized_var(ptep_user); gfn_t table_gfn; - unsigned index, pt_access, pte_access, accessed_dirty, pte_pkey; + u64 pt_access, pte_access; + unsigned index, accessed_dirty, pte_pkey; unsigned nested_access; gpa_t pte_gpa; bool have_ad; int offset; + u64 walk_nx_mask = 0; const int write_fault = access & PFERR_WRITE_MASK; const int user_fault = access & PFERR_USER_MASK; const int fetch_fault = access & PFERR_FETCH_MASK; @@ -302,6 +304,7 @@ retry_walk: have_ad = PT_HAVE_ACCESSED_DIRTY(mmu); #if PTTYPE == 64 + walk_nx_mask = 1ULL << PT64_NX_SHIFT; if (walker->level == PT32E_ROOT_LEVEL) { pte = mmu->get_pdptr(vcpu, (addr >> 30) & 3); trace_kvm_mmu_paging_element(pte, walker->level); @@ -313,8 +316,6 @@ retry_walk: walker->max_level = walker->level; ASSERT(!(is_long_mode(vcpu) && !is_pae(vcpu))); - accessed_dirty = have_ad ? PT_GUEST_ACCESSED_MASK : 0; - /* * FIXME: on Intel processors, loads of the PDPTE registers for PAE paging * by the MOV to CR instruction are treated as reads and do not cause the @@ -322,14 +323,14 @@ retry_walk: */ nested_access = (have_ad ? PFERR_WRITE_MASK : 0) | PFERR_USER_MASK; - pt_access = pte_access = ACC_ALL; + pte_access = ~0; ++walker->level; do { gfn_t real_gfn; unsigned long host_addr; - pt_access &= pte_access; + pt_access = pte_access; --walker->level; index = PT_INDEX(addr, walker->level); @@ -371,6 +372,12 @@ retry_walk: trace_kvm_mmu_paging_element(pte, walker->level); + /* + * Inverting the NX it lets us AND it like other + * permission bits. + */ + pte_access = pt_access & (pte ^ walk_nx_mask); + if (unlikely(!FNAME(is_present_gpte)(pte))) goto error; @@ -379,14 +386,16 @@ retry_walk: goto error; } - accessed_dirty &= pte; - pte_access = pt_access & FNAME(gpte_access)(vcpu, pte); - walker->ptes[walker->level - 1] = pte; } while (!is_last_gpte(mmu, walker->level, pte)); pte_pkey = FNAME(gpte_pkeys)(vcpu, pte); - errcode = permission_fault(vcpu, mmu, pte_access, pte_pkey, access); + accessed_dirty = have_ad ? pte_access & PT_GUEST_ACCESSED_MASK : 0; + + /* Convert to ACC_*_MASK flags for struct guest_walker. */ + walker->pt_access = FNAME(gpte_access)(vcpu, pt_access ^ walk_nx_mask); + walker->pte_access = FNAME(gpte_access)(vcpu, pte_access ^ walk_nx_mask); + errcode = permission_fault(vcpu, mmu, walker->pte_access, pte_pkey, access); if (unlikely(errcode)) goto error; @@ -403,7 +412,7 @@ retry_walk: walker->gfn = real_gpa >> PAGE_SHIFT; if (!write_fault) - FNAME(protect_clean_gpte)(mmu, &pte_access, pte); + FNAME(protect_clean_gpte)(mmu, &walker->pte_access, pte); else /* * On a write fault, fold the dirty bit into accessed_dirty. @@ -421,10 +430,8 @@ retry_walk: goto retry_walk; } - walker->pt_access = pt_access; - walker->pte_access = pte_access; pgprintk("%s: pte %llx pte_access %x pt_access %x\n", - __func__, (u64)pte, pte_access, pt_access); + __func__, (u64)pte, walker->pte_access, walker->pt_access); return 1; error: @@ -452,7 +459,7 @@ error: */ if (!(errcode & PFERR_RSVD_MASK)) { vcpu->arch.exit_qualification &= 0x187; - vcpu->arch.exit_qualification |= ((pt_access & pte) & 0x7) << 3; + vcpu->arch.exit_qualification |= (pte_access & 0x7) << 3; } #endif walker->fault.address = addr; diff --git a/arch/x86/kvm/pmu_intel.c b/arch/x86/kvm/pmu_intel.c index 9d4a8504a95a..5ab4a364348e 100644 --- a/arch/x86/kvm/pmu_intel.c +++ b/arch/x86/kvm/pmu_intel.c @@ -294,7 +294,7 @@ static void intel_pmu_refresh(struct kvm_vcpu *vcpu) ((u64)1 << edx.split.bit_width_fixed) - 1; } - pmu->global_ctrl = ((1 << pmu->nr_arch_gp_counters) - 1) | + pmu->global_ctrl = ((1ull << pmu->nr_arch_gp_counters) - 1) | (((1ull << pmu->nr_arch_fixed_counters) - 1) << INTEL_PMC_IDX_FIXED); pmu->global_ctrl_mask = ~pmu->global_ctrl; diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index c27ac6923a18..183ddb235fb4 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1272,7 +1272,8 @@ static void init_vmcb(struct vcpu_svm *svm) } -static u64 *avic_get_physical_id_entry(struct kvm_vcpu *vcpu, int index) +static u64 *avic_get_physical_id_entry(struct kvm_vcpu *vcpu, + unsigned int index) { u64 *avic_physical_id_table; struct kvm_arch *vm_data = &vcpu->kvm->arch; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index c6f4ad44aa95..72f78396bc09 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -6504,7 +6504,7 @@ static __init int hardware_setup(void) enable_ept_ad_bits = 0; } - if (!cpu_has_vmx_ept_ad_bits()) + if (!cpu_has_vmx_ept_ad_bits() || !enable_ept) enable_ept_ad_bits = 0; if (!cpu_has_vmx_unrestricted_guest()) @@ -11213,7 +11213,7 @@ static int vmx_write_pml_buffer(struct kvm_vcpu *vcpu) if (!nested_cpu_has_pml(vmcs12)) return 0; - if (vmcs12->guest_pml_index > PML_ENTITY_NUM) { + if (vmcs12->guest_pml_index >= PML_ENTITY_NUM) { vmx->nested.pml_full = true; return 1; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 464da936c53d..02363e37d4a6 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1763,6 +1763,7 @@ u64 get_kvmclock_ns(struct kvm *kvm) { struct kvm_arch *ka = &kvm->arch; struct pvclock_vcpu_time_info hv_clock; + u64 ret; spin_lock(&ka->pvclock_gtod_sync_lock); if (!ka->use_master_clock) { @@ -1774,10 +1775,17 @@ u64 get_kvmclock_ns(struct kvm *kvm) hv_clock.system_time = ka->master_kernel_ns + ka->kvmclock_offset; spin_unlock(&ka->pvclock_gtod_sync_lock); + /* both __this_cpu_read() and rdtsc() should be on the same cpu */ + get_cpu(); + kvm_get_time_scale(NSEC_PER_SEC, __this_cpu_read(cpu_tsc_khz) * 1000LL, &hv_clock.tsc_shift, &hv_clock.tsc_to_system_mul); - return __pvclock_read_cycles(&hv_clock, rdtsc()); + ret = __pvclock_read_cycles(&hv_clock, rdtsc()); + + put_cpu(); + + return ret; } static void kvm_setup_pvclock_page(struct kvm_vcpu *v) @@ -3288,11 +3296,14 @@ static void kvm_vcpu_ioctl_x86_get_xsave(struct kvm_vcpu *vcpu, } } +#define XSAVE_MXCSR_OFFSET 24 + static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu, struct kvm_xsave *guest_xsave) { u64 xstate_bv = *(u64 *)&guest_xsave->region[XSAVE_HDR_OFFSET / sizeof(u32)]; + u32 mxcsr = *(u32 *)&guest_xsave->region[XSAVE_MXCSR_OFFSET / sizeof(u32)]; if (boot_cpu_has(X86_FEATURE_XSAVE)) { /* @@ -3300,11 +3311,13 @@ static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu, * CPUID leaf 0xD, index 0, EDX:EAX. This is for compatibility * with old userspace. */ - if (xstate_bv & ~kvm_supported_xcr0()) + if (xstate_bv & ~kvm_supported_xcr0() || + mxcsr & ~mxcsr_feature_mask) return -EINVAL; load_xsave(vcpu, (u8 *)guest_xsave->region); } else { - if (xstate_bv & ~XFEATURE_MASK_FPSSE) + if (xstate_bv & ~XFEATURE_MASK_FPSSE || + mxcsr & ~mxcsr_feature_mask) return -EINVAL; memcpy(&vcpu->arch.guest_fpu.state.fxsave, guest_xsave->region, sizeof(struct fxregs_state)); @@ -4818,16 +4831,20 @@ emul_write: static int kernel_pio(struct kvm_vcpu *vcpu, void *pd) { - /* TODO: String I/O for in kernel device */ - int r; + int r = 0, i; - if (vcpu->arch.pio.in) - r = kvm_io_bus_read(vcpu, KVM_PIO_BUS, vcpu->arch.pio.port, - vcpu->arch.pio.size, pd); - else - r = kvm_io_bus_write(vcpu, KVM_PIO_BUS, - vcpu->arch.pio.port, vcpu->arch.pio.size, - pd); + for (i = 0; i < vcpu->arch.pio.count; i++) { + if (vcpu->arch.pio.in) + r = kvm_io_bus_read(vcpu, KVM_PIO_BUS, vcpu->arch.pio.port, + vcpu->arch.pio.size, pd); + else + r = kvm_io_bus_write(vcpu, KVM_PIO_BUS, + vcpu->arch.pio.port, vcpu->arch.pio.size, + pd); + if (r) + break; + pd += vcpu->arch.pio.size; + } return r; } @@ -4865,6 +4882,8 @@ static int emulator_pio_in_emulated(struct x86_emulate_ctxt *ctxt, if (vcpu->arch.pio.count) goto data_avail; + memset(vcpu->arch.pio_data, 0, size * count); + ret = emulator_pio_in_out(vcpu, size, port, val, count, true); if (ret) { data_avail: @@ -5048,6 +5067,8 @@ static bool emulator_get_segment(struct x86_emulate_ctxt *ctxt, u16 *selector, if (var.unusable) { memset(desc, 0, sizeof(*desc)); + if (base3) + *base3 = 0; return false; } diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index 7cd442690f9d..f33eef4ebd12 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -142,9 +142,7 @@ static void __init xen_banner(void) struct xen_extraversion extra; HYPERVISOR_xen_version(XENVER_extraversion, &extra); - pr_info("Booting paravirtualized kernel %son %s\n", - xen_feature(XENFEAT_auto_translated_physmap) ? - "with PVH extensions " : "", pv_info.name); + pr_info("Booting paravirtualized kernel on %s\n", pv_info.name); printk(KERN_INFO "Xen version: %d.%d%s%s\n", version >> 16, version & 0xffff, extra.extraversion, xen_feature(XENFEAT_mmu_pt_update_preserve_ad) ? " (preserve-AD)" : ""); @@ -957,15 +955,10 @@ static void xen_write_msr(unsigned int msr, unsigned low, unsigned high) void xen_setup_shared_info(void) { - if (!xen_feature(XENFEAT_auto_translated_physmap)) { - set_fixmap(FIX_PARAVIRT_BOOTMAP, - xen_start_info->shared_info); + set_fixmap(FIX_PARAVIRT_BOOTMAP, xen_start_info->shared_info); - HYPERVISOR_shared_info = - (struct shared_info *)fix_to_virt(FIX_PARAVIRT_BOOTMAP); - } else - HYPERVISOR_shared_info = - (struct shared_info *)__va(xen_start_info->shared_info); + HYPERVISOR_shared_info = + (struct shared_info *)fix_to_virt(FIX_PARAVIRT_BOOTMAP); #ifndef CONFIG_SMP /* In UP this is as good a place as any to set up shared info */ diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 5e375a5e815f..3be06f3caf3c 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -42,7 +42,7 @@ xmaddr_t arbitrary_virt_to_machine(void *vaddr) } EXPORT_SYMBOL_GPL(arbitrary_virt_to_machine); -void xen_flush_tlb_all(void) +static void xen_flush_tlb_all(void) { struct mmuext_op *op; struct multicall_space mcs; diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c index 7397d8b8459d..1f386d7fdf70 100644 --- a/arch/x86/xen/mmu_pv.c +++ b/arch/x86/xen/mmu_pv.c @@ -355,10 +355,8 @@ static pteval_t pte_pfn_to_mfn(pteval_t val) pteval_t flags = val & PTE_FLAGS_MASK; unsigned long mfn; - if (!xen_feature(XENFEAT_auto_translated_physmap)) - mfn = __pfn_to_mfn(pfn); - else - mfn = pfn; + mfn = __pfn_to_mfn(pfn); + /* * If there's no mfn for the pfn, then just create an * empty non-present pte. Unfortunately this loses @@ -647,9 +645,6 @@ static int __xen_pgd_walk(struct mm_struct *mm, pgd_t *pgd, limit--; BUG_ON(limit >= FIXADDR_TOP); - if (xen_feature(XENFEAT_auto_translated_physmap)) - return 0; - /* * 64-bit has a great big hole in the middle of the address * space, which contains the Xen mappings. On 32-bit these @@ -1289,9 +1284,6 @@ static void __init xen_pagetable_cleanhighmap(void) static void __init xen_pagetable_p2m_setup(void) { - if (xen_feature(XENFEAT_auto_translated_physmap)) - return; - xen_vmalloc_p2m_tree(); #ifdef CONFIG_X86_64 @@ -1314,8 +1306,7 @@ static void __init xen_pagetable_init(void) xen_build_mfn_list_list(); /* Remap memory freed due to conflicts with E820 map */ - if (!xen_feature(XENFEAT_auto_translated_physmap)) - xen_remap_memory(); + xen_remap_memory(); xen_setup_shared_info(); } @@ -1925,21 +1916,20 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) /* Zap identity mapping */ init_level4_pgt[0] = __pgd(0); - if (!xen_feature(XENFEAT_auto_translated_physmap)) { - /* Pre-constructed entries are in pfn, so convert to mfn */ - /* L4[272] -> level3_ident_pgt - * L4[511] -> level3_kernel_pgt */ - convert_pfn_mfn(init_level4_pgt); + /* Pre-constructed entries are in pfn, so convert to mfn */ + /* L4[272] -> level3_ident_pgt */ + /* L4[511] -> level3_kernel_pgt */ + convert_pfn_mfn(init_level4_pgt); - /* L3_i[0] -> level2_ident_pgt */ - convert_pfn_mfn(level3_ident_pgt); - /* L3_k[510] -> level2_kernel_pgt - * L3_k[511] -> level2_fixmap_pgt */ - convert_pfn_mfn(level3_kernel_pgt); + /* L3_i[0] -> level2_ident_pgt */ + convert_pfn_mfn(level3_ident_pgt); + /* L3_k[510] -> level2_kernel_pgt */ + /* L3_k[511] -> level2_fixmap_pgt */ + convert_pfn_mfn(level3_kernel_pgt); + + /* L3_k[511][506] -> level1_fixmap_pgt */ + convert_pfn_mfn(level2_fixmap_pgt); - /* L3_k[511][506] -> level1_fixmap_pgt */ - convert_pfn_mfn(level2_fixmap_pgt); - } /* We get [511][511] and have Xen's version of level2_kernel_pgt */ l3 = m2v(pgd[pgd_index(__START_KERNEL_map)].pgd); l2 = m2v(l3[pud_index(__START_KERNEL_map)].pud); @@ -1962,34 +1952,30 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) if (i && i < pgd_index(__START_KERNEL_map)) init_level4_pgt[i] = ((pgd_t *)xen_start_info->pt_base)[i]; - if (!xen_feature(XENFEAT_auto_translated_physmap)) { - /* Make pagetable pieces RO */ - set_page_prot(init_level4_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_ident_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_kernel_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_user_vsyscall, PAGE_KERNEL_RO); - set_page_prot(level2_ident_pgt, PAGE_KERNEL_RO); - set_page_prot(level2_kernel_pgt, PAGE_KERNEL_RO); - set_page_prot(level2_fixmap_pgt, PAGE_KERNEL_RO); - set_page_prot(level1_fixmap_pgt, PAGE_KERNEL_RO); - - /* Pin down new L4 */ - pin_pagetable_pfn(MMUEXT_PIN_L4_TABLE, - PFN_DOWN(__pa_symbol(init_level4_pgt))); - - /* Unpin Xen-provided one */ - pin_pagetable_pfn(MMUEXT_UNPIN_TABLE, PFN_DOWN(__pa(pgd))); + /* Make pagetable pieces RO */ + set_page_prot(init_level4_pgt, PAGE_KERNEL_RO); + set_page_prot(level3_ident_pgt, PAGE_KERNEL_RO); + set_page_prot(level3_kernel_pgt, PAGE_KERNEL_RO); + set_page_prot(level3_user_vsyscall, PAGE_KERNEL_RO); + set_page_prot(level2_ident_pgt, PAGE_KERNEL_RO); + set_page_prot(level2_kernel_pgt, PAGE_KERNEL_RO); + set_page_prot(level2_fixmap_pgt, PAGE_KERNEL_RO); + set_page_prot(level1_fixmap_pgt, PAGE_KERNEL_RO); + + /* Pin down new L4 */ + pin_pagetable_pfn(MMUEXT_PIN_L4_TABLE, + PFN_DOWN(__pa_symbol(init_level4_pgt))); + + /* Unpin Xen-provided one */ + pin_pagetable_pfn(MMUEXT_UNPIN_TABLE, PFN_DOWN(__pa(pgd))); - /* - * At this stage there can be no user pgd, and no page - * structure to attach it to, so make sure we just set kernel - * pgd. - */ - xen_mc_batch(); - __xen_write_cr3(true, __pa(init_level4_pgt)); - xen_mc_issue(PARAVIRT_LAZY_CPU); - } else - native_write_cr3(__pa(init_level4_pgt)); + /* + * At this stage there can be no user pgd, and no page structure to + * attach it to, so make sure we just set kernel pgd. + */ + xen_mc_batch(); + __xen_write_cr3(true, __pa(init_level4_pgt)); + xen_mc_issue(PARAVIRT_LAZY_CPU); /* We can't that easily rip out L3 and L2, as the Xen pagetables are * set out this way: [L4], [L1], [L2], [L3], [L1], [L1] ... for @@ -2403,9 +2389,6 @@ static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot) static void __init xen_post_allocator_init(void) { - if (xen_feature(XENFEAT_auto_translated_physmap)) - return; - pv_mmu_ops.set_pte = xen_set_pte; pv_mmu_ops.set_pmd = xen_set_pmd; pv_mmu_ops.set_pud = xen_set_pud; @@ -2511,9 +2494,6 @@ void __init xen_init_mmu_ops(void) { x86_init.paging.pagetable_init = xen_pagetable_init; - if (xen_feature(XENFEAT_auto_translated_physmap)) - return; - pv_mmu_ops = xen_mmu_ops; memset(dummy_mapping, 0xff, PAGE_SIZE); @@ -2650,9 +2630,6 @@ int xen_create_contiguous_region(phys_addr_t pstart, unsigned int order, * this function are redundant and can be ignored. */ - if (xen_feature(XENFEAT_auto_translated_physmap)) - return 0; - if (unlikely(order > MAX_CONTIG_ORDER)) return -ENOMEM; @@ -2689,9 +2666,6 @@ void xen_destroy_contiguous_region(phys_addr_t pstart, unsigned int order) int success; unsigned long vstart; - if (xen_feature(XENFEAT_auto_translated_physmap)) - return; - if (unlikely(order > MAX_CONTIG_ORDER)) return; diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index b5730e17b455..656624314f0d 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -315,24 +315,32 @@ void drbd_req_complete(struct drbd_request *req, struct bio_and_error *m) } /* still holds resource->req_lock */ -static int drbd_req_put_completion_ref(struct drbd_request *req, struct bio_and_error *m, int put) +static void drbd_req_put_completion_ref(struct drbd_request *req, struct bio_and_error *m, int put) { struct drbd_device *device = req->device; D_ASSERT(device, m || (req->rq_state & RQ_POSTPONED)); + if (!put) + return; + if (!atomic_sub_and_test(put, &req->completion_ref)) - return 0; + return; drbd_req_complete(req, m); + /* local completion may still come in later, + * we need to keep the req object around. */ + if (req->rq_state & RQ_LOCAL_ABORTED) + return; + if (req->rq_state & RQ_POSTPONED) { /* don't destroy the req object just yet, * but queue it for retry */ drbd_restart_request(req); - return 0; + return; } - return 1; + kref_put(&req->kref, drbd_req_destroy); } static void set_if_null_req_next(struct drbd_peer_device *peer_device, struct drbd_request *req) @@ -519,12 +527,8 @@ static void mod_rq_state(struct drbd_request *req, struct bio_and_error *m, if (req->i.waiting) wake_up(&device->misc_wait); - if (c_put) { - if (drbd_req_put_completion_ref(req, m, c_put)) - kref_put(&req->kref, drbd_req_destroy); - } else { - kref_put(&req->kref, drbd_req_destroy); - } + drbd_req_put_completion_ref(req, m, c_put); + kref_put(&req->kref, drbd_req_destroy); } static void drbd_report_io_error(struct drbd_device *device, struct drbd_request *req) @@ -1366,8 +1370,7 @@ nodata: } out: - if (drbd_req_put_completion_ref(req, &m, 1)) - kref_put(&req->kref, drbd_req_destroy); + drbd_req_put_completion_ref(req, &m, 1); spin_unlock_irq(&resource->req_lock); /* Even though above is a kref_put(), this is safe. diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 8fe61b5dc5a6..1f3dfaa54d87 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -504,11 +504,13 @@ static int xen_blkbk_remove(struct xenbus_device *dev) dev_set_drvdata(&dev->dev, NULL); - if (be->blkif) + if (be->blkif) { xen_blkif_disconnect(be->blkif); - /* Put the reference we set in xen_blkif_alloc(). */ - xen_blkif_put(be->blkif); + /* Put the reference we set in xen_blkif_alloc(). */ + xen_blkif_put(be->blkif); + } + kfree(be->mode); kfree(be); return 0; diff --git a/drivers/char/lp.c b/drivers/char/lp.c index 565e4cf04a02..8249762192d5 100644 --- a/drivers/char/lp.c +++ b/drivers/char/lp.c @@ -859,7 +859,11 @@ static int __init lp_setup (char *str) } else if (!strcmp(str, "auto")) { parport_nr[0] = LP_PARPORT_AUTO; } else if (!strcmp(str, "none")) { - parport_nr[parport_ptr++] = LP_PARPORT_NONE; + if (parport_ptr < LP_NO) + parport_nr[parport_ptr++] = LP_PARPORT_NONE; + else + printk(KERN_INFO "lp: too many ports, %s ignored.\n", + str); } else if (!strcmp(str, "reset")) { reset = 1; } diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 7e4a9d1296bb..6e0cbe092220 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -340,6 +340,11 @@ static const struct vm_operations_struct mmap_mem_ops = { static int mmap_mem(struct file *file, struct vm_area_struct *vma) { size_t size = vma->vm_end - vma->vm_start; + phys_addr_t offset = (phys_addr_t)vma->vm_pgoff << PAGE_SHIFT; + + /* It's illegal to wrap around the end of the physical address space. */ + if (offset + (phys_addr_t)size < offset) + return -EINVAL; if (!valid_mmap_phys_addr_range(vma->vm_pgoff, size)) return -EINVAL; diff --git a/drivers/dax/super.c b/drivers/dax/super.c index ebf43f531ada..6ed32aac8bbe 100644 --- a/drivers/dax/super.c +++ b/drivers/dax/super.c @@ -44,6 +44,7 @@ void dax_read_unlock(int id) } EXPORT_SYMBOL_GPL(dax_read_unlock); +#ifdef CONFIG_BLOCK int bdev_dax_pgoff(struct block_device *bdev, sector_t sector, size_t size, pgoff_t *pgoff) { @@ -112,6 +113,7 @@ int __bdev_dax_supported(struct super_block *sb, int blocksize) return 0; } EXPORT_SYMBOL_GPL(__bdev_dax_supported); +#endif /** * struct dax_device - anchor object for dax services diff --git a/drivers/firmware/google/vpd.c b/drivers/firmware/google/vpd.c index 3ce813110d5e..1e7860f02f4f 100644 --- a/drivers/firmware/google/vpd.c +++ b/drivers/firmware/google/vpd.c @@ -116,9 +116,13 @@ static int vpd_section_attrib_add(const u8 *key, s32 key_len, return VPD_OK; info = kzalloc(sizeof(*info), GFP_KERNEL); - info->key = kzalloc(key_len + 1, GFP_KERNEL); - if (!info->key) + if (!info) return -ENOMEM; + info->key = kzalloc(key_len + 1, GFP_KERNEL); + if (!info->key) { + ret = -ENOMEM; + goto free_info; + } memcpy(info->key, key, key_len); @@ -135,12 +139,17 @@ static int vpd_section_attrib_add(const u8 *key, s32 key_len, list_add_tail(&info->list, &sec->attribs); ret = sysfs_create_bin_file(sec->kobj, &info->bin_attr); - if (ret) { - kfree(info->key); - return ret; - } + if (ret) + goto free_info_key; return 0; + +free_info_key: + kfree(info->key); +free_info: + kfree(info); + + return ret; } static void vpd_section_attrib_destroy(struct vpd_section *sec) diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index 874ff32db366..00cfed3c3e1a 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -202,7 +202,8 @@ static int ti_sci_debugfs_create(struct platform_device *pdev, info->debug_buffer[info->debug_region_size] = 0; info->d = debugfs_create_file(strncat(debug_name, dev_name(dev), - sizeof(debug_name)), + sizeof(debug_name) - + sizeof("ti_sci_debug@")), 0444, NULL, info, &ti_sci_debug_fops); if (IS_ERR(info->d)) return PTR_ERR(info->d); diff --git a/drivers/gpu/drm/arm/hdlcd_crtc.c b/drivers/gpu/drm/arm/hdlcd_crtc.c index 798a3cc480a2..1a3359c0f6cd 100644 --- a/drivers/gpu/drm/arm/hdlcd_crtc.c +++ b/drivers/gpu/drm/arm/hdlcd_crtc.c @@ -10,6 +10,7 @@ */ #include <drm/drmP.h> +#include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_crtc.h> #include <drm/drm_crtc_helper.h> @@ -226,16 +227,33 @@ static const struct drm_crtc_helper_funcs hdlcd_crtc_helper_funcs = { static int hdlcd_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) { - u32 src_w, src_h; + struct drm_rect clip = { 0 }; + struct drm_crtc_state *crtc_state; + u32 src_h = state->src_h >> 16; - src_w = state->src_w >> 16; - src_h = state->src_h >> 16; + /* only the HDLCD_REG_FB_LINE_COUNT register has a limit */ + if (src_h >= HDLCD_MAX_YRES) { + DRM_DEBUG_KMS("Invalid source width: %d\n", src_h); + return -EINVAL; + } + + if (!state->fb || !state->crtc) + return 0; - /* we can't do any scaling of the plane source */ - if ((src_w != state->crtc_w) || (src_h != state->crtc_h)) + crtc_state = drm_atomic_get_existing_crtc_state(state->state, + state->crtc); + if (!crtc_state) { + DRM_DEBUG_KMS("Invalid crtc state\n"); return -EINVAL; + } - return 0; + clip.x2 = crtc_state->adjusted_mode.hdisplay; + clip.y2 = crtc_state->adjusted_mode.vdisplay; + + return drm_plane_helper_check_state(state, &clip, + DRM_PLANE_HELPER_NO_SCALING, + DRM_PLANE_HELPER_NO_SCALING, + false, true); } static void hdlcd_plane_atomic_update(struct drm_plane *plane, @@ -244,21 +262,20 @@ static void hdlcd_plane_atomic_update(struct drm_plane *plane, struct drm_framebuffer *fb = plane->state->fb; struct hdlcd_drm_private *hdlcd; struct drm_gem_cma_object *gem; - u32 src_w, src_h, dest_w, dest_h; + u32 src_x, src_y, dest_h; dma_addr_t scanout_start; if (!fb) return; - src_w = plane->state->src_w >> 16; - src_h = plane->state->src_h >> 16; - dest_w = plane->state->crtc_w; - dest_h = plane->state->crtc_h; + src_x = plane->state->src.x1 >> 16; + src_y = plane->state->src.y1 >> 16; + dest_h = drm_rect_height(&plane->state->dst); gem = drm_fb_cma_get_gem_obj(fb, 0); + scanout_start = gem->paddr + fb->offsets[0] + - plane->state->crtc_y * fb->pitches[0] + - plane->state->crtc_x * - fb->format->cpp[0]; + src_y * fb->pitches[0] + + src_x * fb->format->cpp[0]; hdlcd = plane->dev->dev_private; hdlcd_write(hdlcd, HDLCD_REG_FB_LINE_LENGTH, fb->pitches[0]); @@ -305,7 +322,6 @@ static struct drm_plane *hdlcd_plane_init(struct drm_device *drm) formats, ARRAY_SIZE(formats), DRM_PLANE_TYPE_PRIMARY, NULL); if (ret) { - devm_kfree(drm->dev, plane); return ERR_PTR(ret); } @@ -329,7 +345,6 @@ int hdlcd_setup_crtc(struct drm_device *drm) &hdlcd_crtc_funcs, NULL); if (ret) { hdlcd_plane_destroy(primary); - devm_kfree(drm->dev, primary); return ret; } diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c index 65a3bd7a0c00..423dda2785d4 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c @@ -152,8 +152,7 @@ static const struct drm_connector_funcs atmel_hlcdc_panel_connector_funcs = { .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; -static int atmel_hlcdc_attach_endpoint(struct drm_device *dev, - const struct device_node *np) +static int atmel_hlcdc_attach_endpoint(struct drm_device *dev, int endpoint) { struct atmel_hlcdc_dc *dc = dev->dev_private; struct atmel_hlcdc_rgb_output *output; @@ -161,6 +160,11 @@ static int atmel_hlcdc_attach_endpoint(struct drm_device *dev, struct drm_bridge *bridge; int ret; + ret = drm_of_find_panel_or_bridge(dev->dev->of_node, 0, endpoint, + &panel, &bridge); + if (ret) + return ret; + output = devm_kzalloc(dev->dev, sizeof(*output), GFP_KERNEL); if (!output) return -EINVAL; @@ -177,10 +181,6 @@ static int atmel_hlcdc_attach_endpoint(struct drm_device *dev, output->encoder.possible_crtcs = 0x1; - ret = drm_of_find_panel_or_bridge(np, 0, 0, &panel, &bridge); - if (ret) - return ret; - if (panel) { output->connector.dpms = DRM_MODE_DPMS_OFF; output->connector.polled = DRM_CONNECTOR_POLL_CONNECT; @@ -220,22 +220,14 @@ err_encoder_cleanup: int atmel_hlcdc_create_outputs(struct drm_device *dev) { - struct device_node *remote; - int ret = -ENODEV; - int endpoint = 0; - - while (true) { - /* Loop thru possible multiple connections to the output */ - remote = of_graph_get_remote_node(dev->dev->of_node, 0, - endpoint++); - if (!remote) - break; - - ret = atmel_hlcdc_attach_endpoint(dev, remote); - of_node_put(remote); - if (ret) - return ret; - } + int endpoint, ret = 0; + + for (endpoint = 0; !ret; endpoint++) + ret = atmel_hlcdc_attach_endpoint(dev, endpoint); + + /* At least one device was successfully attached.*/ + if (ret == -ENODEV && endpoint) + return 0; return ret; } diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index e1909429837e..de80ee1b71df 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -44,6 +44,7 @@ static struct etnaviv_gem_submit *submit_create(struct drm_device *dev, /* initially, until copy_from_user() and bo lookup succeeds: */ submit->nr_bos = 0; + submit->fence = NULL; ww_acquire_init(&submit->ticket, &reservation_ww_class); } @@ -294,7 +295,8 @@ static void submit_cleanup(struct etnaviv_gem_submit *submit) } ww_acquire_fini(&submit->ticket); - dma_fence_put(submit->fence); + if (submit->fence) + dma_fence_put(submit->fence); kfree(submit); } diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index 0ad1a508e2af..c995e540ff96 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -1244,7 +1244,7 @@ static int dma_ctrl_write(struct intel_vgpu *vgpu, unsigned int offset, mode = vgpu_vreg(vgpu, offset); if (GFX_MODE_BIT_SET_IN_MASK(mode, START_DMA)) { - WARN_ONCE(1, "VM(%d): iGVT-g doesn't supporte GuC\n", + WARN_ONCE(1, "VM(%d): iGVT-g doesn't support GuC\n", vgpu->id); return 0; } diff --git a/drivers/gpu/drm/i915/gvt/render.c b/drivers/gpu/drm/i915/gvt/render.c index c6e7972ac21d..a5e11d89df2f 100644 --- a/drivers/gpu/drm/i915/gvt/render.c +++ b/drivers/gpu/drm/i915/gvt/render.c @@ -340,6 +340,9 @@ void intel_gvt_restore_render_mmio(struct intel_vgpu *vgpu, int ring_id) } else v = mmio->value; + if (mmio->in_context) + continue; + I915_WRITE(mmio->reg, v); POSTING_READ(mmio->reg); diff --git a/drivers/gpu/drm/i915/gvt/sched_policy.c b/drivers/gpu/drm/i915/gvt/sched_policy.c index 79ba4b3440aa..f25ff133865f 100644 --- a/drivers/gpu/drm/i915/gvt/sched_policy.c +++ b/drivers/gpu/drm/i915/gvt/sched_policy.c @@ -129,9 +129,13 @@ static void try_to_schedule_next_vgpu(struct intel_gvt *gvt) struct vgpu_sched_data *vgpu_data; ktime_t cur_time; - /* no target to schedule */ - if (!scheduler->next_vgpu) + /* no need to schedule if next_vgpu is the same with current_vgpu, + * let scheduler chose next_vgpu again by setting it to NULL. + */ + if (scheduler->next_vgpu == scheduler->current_vgpu) { + scheduler->next_vgpu = NULL; return; + } /* * after the flag is set, workload dispatch thread will diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 2aa6b97fd22f..a0563e18d753 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -195,9 +195,12 @@ static int ppgtt_bind_vma(struct i915_vma *vma, u32 pte_flags; int ret; - ret = vma->vm->allocate_va_range(vma->vm, vma->node.start, vma->size); - if (ret) - return ret; + if (!(vma->flags & I915_VMA_LOCAL_BIND)) { + ret = vma->vm->allocate_va_range(vma->vm, vma->node.start, + vma->size); + if (ret) + return ret; + } vma->pages = vma->obj->mm.pages; @@ -2306,7 +2309,8 @@ static int aliasing_gtt_bind_vma(struct i915_vma *vma, if (flags & I915_VMA_LOCAL_BIND) { struct i915_hw_ppgtt *appgtt = i915->mm.aliasing_ppgtt; - if (appgtt->base.allocate_va_range) { + if (!(vma->flags & I915_VMA_LOCAL_BIND) && + appgtt->base.allocate_va_range) { ret = appgtt->base.allocate_va_range(&appgtt->base, vma->node.start, vma->node.size); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 11b12f412492..5a7c63e64381 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3051,10 +3051,14 @@ enum skl_disp_power_wells { #define CLKCFG_FSB_667 (3 << 0) /* hrawclk 166 */ #define CLKCFG_FSB_800 (2 << 0) /* hrawclk 200 */ #define CLKCFG_FSB_1067 (6 << 0) /* hrawclk 266 */ +#define CLKCFG_FSB_1067_ALT (0 << 0) /* hrawclk 266 */ #define CLKCFG_FSB_1333 (7 << 0) /* hrawclk 333 */ -/* Note, below two are guess */ -#define CLKCFG_FSB_1600 (4 << 0) /* hrawclk 400 */ -#define CLKCFG_FSB_1600_ALT (0 << 0) /* hrawclk 400 */ +/* + * Note that on at least on ELK the below value is reported for both + * 333 and 400 MHz BIOS FSB setting, but given that the gmch datasheet + * lists only 200/266/333 MHz FSB as supported let's decode it as 333 MHz. + */ +#define CLKCFG_FSB_1333_ALT (4 << 0) /* hrawclk 333 */ #define CLKCFG_FSB_MASK (7 << 0) #define CLKCFG_MEM_533 (1 << 4) #define CLKCFG_MEM_667 (2 << 4) diff --git a/drivers/gpu/drm/i915/intel_cdclk.c b/drivers/gpu/drm/i915/intel_cdclk.c index dd3ad52b7dfe..f29a226e24d8 100644 --- a/drivers/gpu/drm/i915/intel_cdclk.c +++ b/drivers/gpu/drm/i915/intel_cdclk.c @@ -1798,13 +1798,11 @@ static int g4x_hrawclk(struct drm_i915_private *dev_priv) case CLKCFG_FSB_800: return 200000; case CLKCFG_FSB_1067: + case CLKCFG_FSB_1067_ALT: return 266667; case CLKCFG_FSB_1333: + case CLKCFG_FSB_1333_ALT: return 333333; - /* these two are just a guess; one of them might be right */ - case CLKCFG_FSB_1600: - case CLKCFG_FSB_1600_ALT: - return 400000; default: return 133333; } diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 3ffe8b1f1d48..fc0ef492252a 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -410,11 +410,10 @@ static void glk_dsi_device_ready(struct intel_encoder *encoder) val |= (ULPS_STATE_ENTER | DEVICE_READY); I915_WRITE(MIPI_DEVICE_READY(port), val); - /* Wait for ULPS Not active */ + /* Wait for ULPS active */ if (intel_wait_for_register(dev_priv, - MIPI_CTRL(port), GLK_ULPS_NOT_ACTIVE, - GLK_ULPS_NOT_ACTIVE, 20)) - DRM_ERROR("ULPS is still active\n"); + MIPI_CTRL(port), GLK_ULPS_NOT_ACTIVE, 0, 20)) + DRM_ERROR("ULPS not active\n"); /* Exit ULPS */ val = I915_READ(MIPI_DEVICE_READY(port)); diff --git a/drivers/gpu/drm/i915/intel_lpe_audio.c b/drivers/gpu/drm/i915/intel_lpe_audio.c index 25d8e76489e4..668f00480d97 100644 --- a/drivers/gpu/drm/i915/intel_lpe_audio.c +++ b/drivers/gpu/drm/i915/intel_lpe_audio.c @@ -63,6 +63,7 @@ #include <linux/acpi.h> #include <linux/device.h> #include <linux/pci.h> +#include <linux/pm_runtime.h> #include "i915_drv.h" #include <linux/delay.h> @@ -121,6 +122,10 @@ lpe_audio_platdev_create(struct drm_i915_private *dev_priv) kfree(rsc); + pm_runtime_forbid(&platdev->dev); + pm_runtime_set_active(&platdev->dev); + pm_runtime_enable(&platdev->dev); + return platdev; err: diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 21b10f9840c9..549763f5e17d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -360,6 +360,8 @@ nouveau_display_hpd_work(struct work_struct *work) pm_runtime_get_sync(drm->dev->dev); drm_helper_hpd_irq_event(drm->dev); + /* enable polling for external displays */ + drm_kms_helper_poll_enable(drm->dev); pm_runtime_mark_last_busy(drm->dev->dev); pm_runtime_put_sync(drm->dev->dev); @@ -413,10 +415,6 @@ nouveau_display_init(struct drm_device *dev) if (ret) return ret; - /* enable polling for external displays */ - if (!dev->mode_config.poll_enabled) - drm_kms_helper_poll_enable(dev); - /* enable hotplug interrupts */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct nouveau_connector *conn = nouveau_connector(connector); diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 2b6ac24ce690..36268e1802b5 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -502,6 +502,9 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags) pm_runtime_allow(dev->dev); pm_runtime_mark_last_busy(dev->dev); pm_runtime_put(dev->dev); + } else { + /* enable polling for external displays */ + drm_kms_helper_poll_enable(dev); } return 0; @@ -774,9 +777,6 @@ nouveau_pmops_runtime_resume(struct device *dev) ret = nouveau_do_resume(drm_dev, true); - if (!drm_dev->mode_config.poll_enabled) - drm_kms_helper_poll_enable(drm_dev); - /* do magic */ nvif_mask(&device->object, 0x088488, (1 << 25), (1 << 25)); vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c index 3a24788c3185..a7e55c422501 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c @@ -148,7 +148,7 @@ gk104_fifo_runlist_commit(struct gk104_fifo *fifo, int runl) case NVKM_MEM_TARGET_NCOH: target = 3; break; default: WARN_ON(1); - return; + goto unlock; } nvkm_wr32(device, 0x002270, (nvkm_memory_addr(mem) >> 12) | @@ -160,6 +160,7 @@ gk104_fifo_runlist_commit(struct gk104_fifo *fifo, int runl) & 0x00100000), msecs_to_jiffies(2000)) == 0) nvkm_error(subdev, "runlist %d update timeout\n", runl); +unlock: mutex_unlock(&subdev->mutex); } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/ls_ucode_gr.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/ls_ucode_gr.c index d1cf02d22db1..1b0c793c0192 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/ls_ucode_gr.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/ls_ucode_gr.c @@ -116,6 +116,7 @@ ls_ucode_img_load_gr(const struct nvkm_subdev *subdev, struct ls_ucode_img *img, ret = nvkm_firmware_get(subdev->device, f, &sig); if (ret) goto free_data; + img->sig = kmemdup(sig->data, sig->size, GFP_KERNEL); if (!img->sig) { ret = -ENOMEM; @@ -126,8 +127,9 @@ ls_ucode_img_load_gr(const struct nvkm_subdev *subdev, struct ls_ucode_img *img, img->ucode_data = ls_ucode_img_build(bl, code, data, &img->ucode_desc); if (IS_ERR(img->ucode_data)) { + kfree(img->sig); ret = PTR_ERR(img->ucode_data); - goto free_data; + goto free_sig; } img->ucode_size = img->ucode_desc.image_size; diff --git a/drivers/gpu/host1x/Kconfig b/drivers/gpu/host1x/Kconfig index b2fd029d67b3..91916326957f 100644 --- a/drivers/gpu/host1x/Kconfig +++ b/drivers/gpu/host1x/Kconfig @@ -1,6 +1,7 @@ config TEGRA_HOST1X tristate "NVIDIA Tegra host1x driver" depends on ARCH_TEGRA || (ARM && COMPILE_TEST) + select IOMMU_IOVA if IOMMU_SUPPORT help Driver for the NVIDIA Tegra host1x hardware. diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index f2acd4b6bf01..6283b99d2b17 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -96,6 +96,7 @@ static int dw_i2c_acpi_configure(struct platform_device *pdev) struct dw_i2c_dev *dev = platform_get_drvdata(pdev); acpi_handle handle = ACPI_HANDLE(&pdev->dev); const struct acpi_device_id *id; + u32 ss_ht, fp_ht, hs_ht, fs_ht; struct acpi_device *adev; const char *uid; @@ -107,23 +108,24 @@ static int dw_i2c_acpi_configure(struct platform_device *pdev) * Try to get SDA hold time and *CNT values from an ACPI method for * selected speed modes. */ + dw_i2c_acpi_params(pdev, "SSCN", &dev->ss_hcnt, &dev->ss_lcnt, &ss_ht); + dw_i2c_acpi_params(pdev, "FPCN", &dev->fp_hcnt, &dev->fp_lcnt, &fp_ht); + dw_i2c_acpi_params(pdev, "HSCN", &dev->hs_hcnt, &dev->hs_lcnt, &hs_ht); + dw_i2c_acpi_params(pdev, "FMCN", &dev->fs_hcnt, &dev->fs_lcnt, &fs_ht); + switch (dev->clk_freq) { case 100000: - dw_i2c_acpi_params(pdev, "SSCN", &dev->ss_hcnt, &dev->ss_lcnt, - &dev->sda_hold_time); + dev->sda_hold_time = ss_ht; break; case 1000000: - dw_i2c_acpi_params(pdev, "FPCN", &dev->fp_hcnt, &dev->fp_lcnt, - &dev->sda_hold_time); + dev->sda_hold_time = fp_ht; break; case 3400000: - dw_i2c_acpi_params(pdev, "HSCN", &dev->hs_hcnt, &dev->hs_lcnt, - &dev->sda_hold_time); + dev->sda_hold_time = hs_ht; break; case 400000: default: - dw_i2c_acpi_params(pdev, "FMCN", &dev->fs_hcnt, &dev->fs_lcnt, - &dev->sda_hold_time); + dev->sda_hold_time = fs_ht; break; } diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index 8348f366ddd1..62618e77bedc 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -396,13 +396,13 @@ static void iommu_dma_free_iova(struct iommu_dma_cookie *cookie, dma_addr_t iova, size_t size) { struct iova_domain *iovad = &cookie->iovad; - unsigned long shift = iova_shift(iovad); /* The MSI case is only ever cleaning up its most recent allocation */ if (cookie->type == IOMMU_DMA_MSI_COOKIE) cookie->msi_iova -= size; else - free_iova_fast(iovad, iova >> shift, size >> shift); + free_iova_fast(iovad, iova_pfn(iovad, iova), + size >> iova_shift(iovad)); } static void __iommu_dma_unmap(struct iommu_domain *domain, dma_addr_t dma_addr, @@ -617,11 +617,14 @@ static dma_addr_t __iommu_dma_map(struct device *dev, phys_addr_t phys, { struct iommu_domain *domain = iommu_get_domain_for_dev(dev); struct iommu_dma_cookie *cookie = domain->iova_cookie; - struct iova_domain *iovad = &cookie->iovad; - size_t iova_off = iova_offset(iovad, phys); + size_t iova_off = 0; dma_addr_t iova; - size = iova_align(iovad, size + iova_off); + if (cookie->type == IOMMU_DMA_IOVA_COOKIE) { + iova_off = iova_offset(&cookie->iovad, phys); + size = iova_align(&cookie->iovad, size + iova_off); + } + iova = iommu_dma_alloc_iova(domain, size, dma_get_mask(dev), dev); if (!iova) return DMA_ERROR_CODE; diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 90ab0115d78e..fc2765ccdb57 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2055,11 +2055,14 @@ static int domain_context_mapping_one(struct dmar_domain *domain, if (context_copied(context)) { u16 did_old = context_domain_id(context); - if (did_old >= 0 && did_old < cap_ndoms(iommu->cap)) + if (did_old >= 0 && did_old < cap_ndoms(iommu->cap)) { iommu->flush.flush_context(iommu, did_old, (((u16)bus) << 8) | devfn, DMA_CCMD_MASK_NOBIT, DMA_CCMD_DEVICE_INVL); + iommu->flush.flush_iotlb(iommu, did_old, 0, 0, + DMA_TLB_DSI_FLUSH); + } } pgd = domain->pgd; diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c index a27ef570c328..bc1efbfb9ddf 100644 --- a/drivers/iommu/mtk_iommu_v1.c +++ b/drivers/iommu/mtk_iommu_v1.c @@ -18,6 +18,7 @@ #include <linux/clk.h> #include <linux/component.h> #include <linux/device.h> +#include <linux/dma-mapping.h> #include <linux/dma-iommu.h> #include <linux/err.h> #include <linux/interrupt.h> diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c index d2306c821ebb..31d6b5a582d2 100644 --- a/drivers/irqchip/irq-mbigen.c +++ b/drivers/irqchip/irq-mbigen.c @@ -106,10 +106,7 @@ static inline void get_mbigen_type_reg(irq_hw_number_t hwirq, static inline void get_mbigen_clear_reg(irq_hw_number_t hwirq, u32 *mask, u32 *addr) { - unsigned int ofst; - - hwirq -= RESERVED_IRQ_PER_MBIGEN_CHIP; - ofst = hwirq / 32 * 4; + unsigned int ofst = (hwirq / 32) * 4; *mask = 1 << (hwirq % 32); *addr = ofst + REG_MBIGEN_CLEAR_OFFSET; @@ -337,9 +334,15 @@ static int mbigen_device_probe(struct platform_device *pdev) mgn_chip->pdev = pdev; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - mgn_chip->base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(mgn_chip->base)) - return PTR_ERR(mgn_chip->base); + if (!res) + return -EINVAL; + + mgn_chip->base = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); + if (!mgn_chip->base) { + dev_err(&pdev->dev, "failed to ioremap %pR\n", res); + return -ENOMEM; + } if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) err = mbigen_of_create_domain(pdev, mgn_chip); diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index bf0fe0137dfe..6d1b4b707cc2 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -512,7 +512,7 @@ static void gpmc_cs_show_timings(int cs, const char *desc) pr_info("gpmc cs%i access configuration:\n", cs); GPMC_GET_RAW_BOOL(GPMC_CS_CONFIG1, 4, 4, "time-para-granularity"); GPMC_GET_RAW(GPMC_CS_CONFIG1, 8, 9, "mux-add-data"); - GPMC_GET_RAW_MAX(GPMC_CS_CONFIG1, 12, 13, + GPMC_GET_RAW_SHIFT_MAX(GPMC_CS_CONFIG1, 12, 13, 1, GPMC_CONFIG1_DEVICESIZE_MAX, "device-width"); GPMC_GET_RAW(GPMC_CS_CONFIG1, 16, 17, "wait-pin"); GPMC_GET_RAW_BOOL(GPMC_CS_CONFIG1, 21, 21, "wait-on-write"); diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 2cba76e6fa3c..07bbd4cc1852 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -492,6 +492,7 @@ config ASPEED_LPC_CTRL config PCI_ENDPOINT_TEST depends on PCI + select CRC32 tristate "PCI Endpoint Test driver" ---help--- Enable this configuration option to enable the host side test driver diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 70e689bf1cad..dca7165fabcf 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -1754,6 +1754,10 @@ nvme_fc_error_recovery(struct nvme_fc_ctrl *ctrl, char *errmsg) dev_info(ctrl->ctrl.device, "NVME-FC{%d}: resetting controller\n", ctrl->cnum); + /* stop the queues on error, cleanup is in reset thread */ + if (ctrl->queue_count > 1) + nvme_stop_queues(&ctrl->ctrl); + if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_RECONNECTING)) { dev_err(ctrl->ctrl.device, "NVME-FC{%d}: error_recovery: Couldn't change state " @@ -2720,6 +2724,12 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, unsigned long flags; int ret, idx; + if (!(rport->remoteport.port_role & + (FC_PORT_ROLE_NVME_DISCOVERY | FC_PORT_ROLE_NVME_TARGET))) { + ret = -EBADR; + goto out_fail; + } + ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); if (!ctrl) { ret = -ENOMEM; diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index fed803232edc..4c2ff2bb26bc 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1506,6 +1506,11 @@ static inline void nvme_release_cmb(struct nvme_dev *dev) if (dev->cmb) { iounmap(dev->cmb); dev->cmb = NULL; + if (dev->cmbsz) { + sysfs_remove_file_from_group(&dev->ctrl.device->kobj, + &dev_attr_cmb.attr, NULL); + dev->cmbsz = 0; + } } } @@ -1779,6 +1784,7 @@ static void nvme_pci_disable(struct nvme_dev *dev) { struct pci_dev *pdev = to_pci_dev(dev->dev); + nvme_release_cmb(dev); pci_free_irq_vectors(pdev); if (pci_is_enabled(pdev)) { @@ -2184,7 +2190,6 @@ static void nvme_remove(struct pci_dev *pdev) nvme_dev_disable(dev, true); nvme_dev_remove_admin(dev); nvme_free_queues(dev, 0); - nvme_release_cmb(dev); nvme_release_prp_pools(dev); nvme_dev_unmap(dev); nvme_put_ctrl(&dev->ctrl); diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index cf90713043da..eb9399ac97cf 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -529,6 +529,12 @@ fail: } EXPORT_SYMBOL_GPL(nvmet_req_init); +void nvmet_req_uninit(struct nvmet_req *req) +{ + percpu_ref_put(&req->sq->ref); +} +EXPORT_SYMBOL_GPL(nvmet_req_uninit); + static inline bool nvmet_cc_en(u32 cc) { return cc & 0x1; diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c index 62eba29c85fb..2006fae61980 100644 --- a/drivers/nvme/target/fc.c +++ b/drivers/nvme/target/fc.c @@ -517,9 +517,7 @@ nvmet_fc_queue_to_cpu(struct nvmet_fc_tgtport *tgtport, int qid) { int cpu, idx, cnt; - if (!(tgtport->ops->target_features & - NVMET_FCTGTFEAT_NEEDS_CMD_CPUSCHED) || - tgtport->ops->max_hw_queues == 1) + if (tgtport->ops->max_hw_queues == 1) return WORK_CPU_UNBOUND; /* Simple cpu selection based on qid modulo active cpu count */ diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c index 15551ef79c8c..294a6611fb24 100644 --- a/drivers/nvme/target/fcloop.c +++ b/drivers/nvme/target/fcloop.c @@ -698,7 +698,6 @@ static struct nvmet_fc_target_template tgttemplate = { .dma_boundary = FCLOOP_DMABOUND_4G, /* optional features */ .target_features = NVMET_FCTGTFEAT_CMD_IN_ISR | - NVMET_FCTGTFEAT_NEEDS_CMD_CPUSCHED | NVMET_FCTGTFEAT_OPDONE_IN_ISR, /* sizes of additional private data for data structures */ .target_priv_sz = sizeof(struct fcloop_tport), diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 7cb77ba5993b..cfc5c7fb0ab7 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -261,6 +261,7 @@ u16 nvmet_parse_fabrics_cmd(struct nvmet_req *req); bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq, struct nvmet_sq *sq, struct nvmet_fabrics_ops *ops); +void nvmet_req_uninit(struct nvmet_req *req); void nvmet_req_complete(struct nvmet_req *req, u16 status); void nvmet_cq_setup(struct nvmet_ctrl *ctrl, struct nvmet_cq *cq, u16 qid, diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c index 99c69018a35f..9e45cde63376 100644 --- a/drivers/nvme/target/rdma.c +++ b/drivers/nvme/target/rdma.c @@ -567,6 +567,7 @@ static void nvmet_rdma_read_data_done(struct ib_cq *cq, struct ib_wc *wc) rsp->n_rdma = 0; if (unlikely(wc->status != IB_WC_SUCCESS)) { + nvmet_req_uninit(&rsp->req); nvmet_rdma_release_rsp(rsp); if (wc->status != IB_WC_WR_FLUSH_ERR) { pr_info("RDMA READ for CQE 0x%p failed with status %s (%d).\n", diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 3080d9dd031d..43bd69dceabf 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -507,6 +507,9 @@ void *__unflatten_device_tree(const void *blob, /* Allocate memory for the expanded device tree */ mem = dt_alloc(size + 4, __alignof__(struct device_node)); + if (!mem) + return NULL; + memset(mem, 0, size); *(__be32 *)(mem + size) = cpu_to_be32(0xdeadbeef); diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index 4dec07ea510f..d507c3569a88 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -197,7 +197,7 @@ static int __init __reserved_mem_init_node(struct reserved_mem *rmem) const struct of_device_id *i; for (i = __reservedmem_of_table; i < &__rmem_of_table_sentinel; i++) { - int const (*initfn)(struct reserved_mem *rmem) = i->data; + reservedmem_of_init_fn initfn = i->data; const char *compat = i->compatible; if (!of_flat_dt_is_compatible(rmem->fdt_node, compat)) diff --git a/drivers/scsi/cxlflash/Kconfig b/drivers/scsi/cxlflash/Kconfig index c052104e523e..a011c5dbf214 100644 --- a/drivers/scsi/cxlflash/Kconfig +++ b/drivers/scsi/cxlflash/Kconfig @@ -5,6 +5,7 @@ config CXLFLASH tristate "Support for IBM CAPI Flash" depends on PCI && SCSI && CXL && EEH + select IRQ_POLL default m help Allows CAPI Accelerated IO to Flash diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index a808e8ef1d08..234352da5c3c 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -407,11 +407,12 @@ unlock: * can_queue. Eventually we will hit the point where we run * on all reserved structs. */ -static void fc_fcp_can_queue_ramp_down(struct fc_lport *lport) +static bool fc_fcp_can_queue_ramp_down(struct fc_lport *lport) { struct fc_fcp_internal *si = fc_get_scsi_internal(lport); unsigned long flags; int can_queue; + bool changed = false; spin_lock_irqsave(lport->host->host_lock, flags); @@ -427,9 +428,11 @@ static void fc_fcp_can_queue_ramp_down(struct fc_lport *lport) if (!can_queue) can_queue = 1; lport->host->can_queue = can_queue; + changed = true; unlock: spin_unlock_irqrestore(lport->host->host_lock, flags); + return changed; } /* @@ -1896,11 +1899,11 @@ int fc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *sc_cmd) if (!fc_fcp_lport_queue_ready(lport)) { if (lport->qfull) { - fc_fcp_can_queue_ramp_down(lport); - shost_printk(KERN_ERR, lport->host, - "libfc: queue full, " - "reducing can_queue to %d.\n", - lport->host->can_queue); + if (fc_fcp_can_queue_ramp_down(lport)) + shost_printk(KERN_ERR, lport->host, + "libfc: queue full, " + "reducing can_queue to %d.\n", + lport->host->can_queue); } rc = SCSI_MLQUEUE_HOST_BUSY; goto out; diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 944b32ca4931..1c55408ac718 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -294,6 +294,7 @@ int lpfc_selective_reset(struct lpfc_hba *); void lpfc_reset_barrier(struct lpfc_hba *); int lpfc_sli_brdready(struct lpfc_hba *, uint32_t); int lpfc_sli_brdkill(struct lpfc_hba *); +int lpfc_sli_chipset_init(struct lpfc_hba *phba); int lpfc_sli_brdreset(struct lpfc_hba *); int lpfc_sli_brdrestart(struct lpfc_hba *); int lpfc_sli_hba_setup(struct lpfc_hba *); diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 1487406aea77..c7962dae4dab 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -630,7 +630,7 @@ lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type, NLP_EVT_DEVICE_RECOVERY); spin_lock_irq(shost->host_lock); ndlp->nlp_flag &= ~NLP_NVMET_RECOV; - spin_lock_irq(shost->host_lock); + spin_unlock_irq(shost->host_lock); } } diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 90ae354a9c45..4b1eb98c228d 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -3602,6 +3602,13 @@ lpfc_get_wwpn(struct lpfc_hba *phba) LPFC_MBOXQ_t *mboxq; MAILBOX_t *mb; + if (phba->sli_rev < LPFC_SLI_REV4) { + /* Reset the port first */ + lpfc_sli_brdrestart(phba); + rc = lpfc_sli_chipset_init(phba); + if (rc) + return (uint64_t)-1; + } mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); @@ -8847,7 +8854,7 @@ lpfc_sli4_queue_unset(struct lpfc_hba *phba) lpfc_wq_destroy(phba, phba->sli4_hba.nvmels_wq); /* Unset ELS work queue */ - if (phba->sli4_hba.els_cq) + if (phba->sli4_hba.els_wq) lpfc_wq_destroy(phba, phba->sli4_hba.els_wq); /* Unset unsolicited receive queue */ diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c index 94434e621c33..0488580eea12 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -764,7 +764,6 @@ lpfc_nvmet_create_targetport(struct lpfc_hba *phba) lpfc_tgttemplate.max_sgl_segments = phba->cfg_nvme_seg_cnt + 1; lpfc_tgttemplate.max_hw_queues = phba->cfg_nvme_io_channel; lpfc_tgttemplate.target_features = NVMET_FCTGTFEAT_READDATA_RSP | - NVMET_FCTGTFEAT_NEEDS_CMD_CPUSCHED | NVMET_FCTGTFEAT_CMD_IN_ISR | NVMET_FCTGTFEAT_OPDONE_IN_ISR; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index cf19f4976f5f..2a4fc00dfa9b 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -4204,13 +4204,16 @@ lpfc_sli_brdreset(struct lpfc_hba *phba) /* Reset HBA */ lpfc_printf_log(phba, KERN_INFO, LOG_SLI, "0325 Reset HBA Data: x%x x%x\n", - phba->pport->port_state, psli->sli_flag); + (phba->pport) ? phba->pport->port_state : 0, + psli->sli_flag); /* perform board reset */ phba->fc_eventTag = 0; phba->link_events = 0; - phba->pport->fc_myDID = 0; - phba->pport->fc_prevDID = 0; + if (phba->pport) { + phba->pport->fc_myDID = 0; + phba->pport->fc_prevDID = 0; + } /* Turn off parity checking and serr during the physical reset */ pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); @@ -4336,7 +4339,8 @@ lpfc_sli_brdrestart_s3(struct lpfc_hba *phba) /* Restart HBA */ lpfc_printf_log(phba, KERN_INFO, LOG_SLI, "0337 Restart HBA Data: x%x x%x\n", - phba->pport->port_state, psli->sli_flag); + (phba->pport) ? phba->pport->port_state : 0, + psli->sli_flag); word0 = 0; mb = (MAILBOX_t *) &word0; @@ -4350,7 +4354,7 @@ lpfc_sli_brdrestart_s3(struct lpfc_hba *phba) readl(to_slim); /* flush */ /* Only skip post after fc_ffinit is completed */ - if (phba->pport->port_state) + if (phba->pport && phba->pport->port_state) word0 = 1; /* This is really setting up word1 */ else word0 = 0; /* This is really setting up word1 */ @@ -4359,7 +4363,8 @@ lpfc_sli_brdrestart_s3(struct lpfc_hba *phba) readl(to_slim); /* flush */ lpfc_sli_brdreset(phba); - phba->pport->stopped = 0; + if (phba->pport) + phba->pport->stopped = 0; phba->link_state = LPFC_INIT_START; phba->hba_flag = 0; spin_unlock_irq(&phba->hbalock); @@ -4446,7 +4451,7 @@ lpfc_sli_brdrestart(struct lpfc_hba *phba) * iteration, the function will restart the HBA again. The function returns * zero if HBA successfully restarted else returns negative error code. **/ -static int +int lpfc_sli_chipset_init(struct lpfc_hba *phba) { uint32_t status, i = 0; diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index a4aadf5f4dc6..1cc814f1505a 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -3770,9 +3770,6 @@ static long pmcraid_ioctl_passthrough( pmcraid_err("couldn't build passthrough ioadls\n"); goto out_free_cmd; } - } else if (request_size < 0) { - rc = -EINVAL; - goto out_free_cmd; } /* If data is being written into the device, copy the data from user diff --git a/drivers/scsi/qedf/qedf.h b/drivers/scsi/qedf/qedf.h index 40aeb6bb96a2..07ee88200e91 100644 --- a/drivers/scsi/qedf/qedf.h +++ b/drivers/scsi/qedf/qedf.h @@ -259,7 +259,7 @@ struct qedf_io_log { uint16_t task_id; uint32_t port_id; /* Remote port fabric ID */ int lun; - char op; /* SCSI CDB */ + unsigned char op; /* SCSI CDB */ uint8_t lba[4]; unsigned int bufflen; /* SCSI buffer length */ unsigned int sg_count; /* Number of SG elements */ diff --git a/drivers/scsi/qedf/qedf_els.c b/drivers/scsi/qedf/qedf_els.c index c505d41f6dc8..90627033bde6 100644 --- a/drivers/scsi/qedf/qedf_els.c +++ b/drivers/scsi/qedf/qedf_els.c @@ -109,7 +109,7 @@ retry_els: did = fcport->rdata->ids.port_id; sid = fcport->sid; - __fc_fill_fc_hdr(fc_hdr, FC_RCTL_ELS_REQ, sid, did, + __fc_fill_fc_hdr(fc_hdr, FC_RCTL_ELS_REQ, did, sid, FC_TYPE_ELS, FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0); diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index cceddd995a4b..a5c97342fd5d 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -2895,7 +2895,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) slowpath_params.drv_minor = QEDF_DRIVER_MINOR_VER; slowpath_params.drv_rev = QEDF_DRIVER_REV_VER; slowpath_params.drv_eng = QEDF_DRIVER_ENG_VER; - memcpy(slowpath_params.name, "qedf", QED_DRV_VER_STR_SIZE); + strncpy(slowpath_params.name, "qedf", QED_DRV_VER_STR_SIZE); rc = qed_ops->common->slowpath_start(qedf->cdev, &slowpath_params); if (rc) { QEDF_ERR(&(qedf->dbg_ctx), "Cannot start slowpath.\n"); diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 7bfbcfa7af40..61cdd99ae41e 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -763,6 +763,8 @@ struct scsi_device *__scsi_device_lookup(struct Scsi_Host *shost, struct scsi_device *sdev; list_for_each_entry(sdev, &shost->__devices, siblings) { + if (sdev->sdev_state == SDEV_DEL) + continue; if (sdev->channel == channel && sdev->id == id && sdev->lun ==lun) return sdev; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 814a4bd8405d..e31f1cc90b81 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -30,6 +30,7 @@ #include <scsi/scsi_driver.h> #include <scsi/scsi_eh.h> #include <scsi/scsi_host.h> +#include <scsi/scsi_transport.h> /* __scsi_init_queue() */ #include <scsi/scsi_dh.h> #include <trace/events/scsi.h> diff --git a/drivers/soc/bcm/brcmstb/common.c b/drivers/soc/bcm/brcmstb/common.c index b6195fdf0d00..22e98a90468c 100644 --- a/drivers/soc/bcm/brcmstb/common.c +++ b/drivers/soc/bcm/brcmstb/common.c @@ -49,7 +49,7 @@ static const struct of_device_id sun_top_ctrl_match[] = { { .compatible = "brcm,bcm7420-sun-top-ctrl", }, { .compatible = "brcm,bcm7425-sun-top-ctrl", }, { .compatible = "brcm,bcm7429-sun-top-ctrl", }, - { .compatible = "brcm,bcm7425-sun-top-ctrl", }, + { .compatible = "brcm,bcm7435-sun-top-ctrl", }, { .compatible = "brcm,brcmstb-sun-top-ctrl", }, { } }; diff --git a/drivers/soc/imx/Kconfig b/drivers/soc/imx/Kconfig index 357a5d8f8da0..a5b86a28f343 100644 --- a/drivers/soc/imx/Kconfig +++ b/drivers/soc/imx/Kconfig @@ -2,8 +2,9 @@ menu "i.MX SoC drivers" config IMX7_PM_DOMAINS bool "i.MX7 PM domains" - select PM_GENERIC_DOMAINS depends on SOC_IMX7D || (COMPILE_TEST && OF) + depends on PM + select PM_GENERIC_DOMAINS default y if SOC_IMX7D endmenu diff --git a/drivers/staging/android/ion/devicetree.txt b/drivers/staging/android/ion/devicetree.txt deleted file mode 100644 index 168715271f06..000000000000 --- a/drivers/staging/android/ion/devicetree.txt +++ /dev/null @@ -1,51 +0,0 @@ -Ion Memory Manager - -Ion is a memory manager that allows for sharing of buffers via dma-buf. -Ion allows for different types of allocation via an abstraction called -a 'heap'. A heap represents a specific type of memory. Each heap has -a different type. There can be multiple instances of the same heap -type. - -Specific heap instances are tied to heap IDs. Heap IDs are not to be specified -in the devicetree. - -Required properties for Ion - -- compatible: "linux,ion" PLUS a compatible property for the device - -All child nodes of a linux,ion node are interpreted as heaps - -required properties for heaps - -- compatible: compatible string for a heap type PLUS a compatible property -for the specific instance of the heap. Current heap types --- linux,ion-heap-system --- linux,ion-heap-system-contig --- linux,ion-heap-carveout --- linux,ion-heap-chunk --- linux,ion-heap-dma --- linux,ion-heap-custom - -Optional properties -- memory-region: A phandle to a memory region. Required for DMA heap type -(see reserved-memory.txt for details on the reservation) - -Example: - - ion { - compatbile = "hisilicon,ion", "linux,ion"; - - ion-system-heap { - compatbile = "hisilicon,system-heap", "linux,ion-heap-system" - }; - - ion-camera-region { - compatible = "hisilicon,camera-heap", "linux,ion-heap-dma" - memory-region = <&camera_region>; - }; - - ion-fb-region { - compatbile = "hisilicon,fb-heap", "linux,ion-heap-dma" - memory-region = <&fb_region>; - }; - } diff --git a/drivers/staging/ccree/ssi_request_mgr.c b/drivers/staging/ccree/ssi_request_mgr.c index 522bd62c102e..8611adf3bb2e 100644 --- a/drivers/staging/ccree/ssi_request_mgr.c +++ b/drivers/staging/ccree/ssi_request_mgr.c @@ -376,7 +376,6 @@ int send_request( rc = ssi_power_mgr_runtime_get(&drvdata->plat_dev->dev); if (rc != 0) { SSI_LOG_ERR("ssi_power_mgr_runtime_get returned %x\n",rc); - spin_unlock_bh(&req_mgr_h->hw_lock); return rc; } #endif diff --git a/drivers/staging/fsl-dpaa2/Kconfig b/drivers/staging/fsl-dpaa2/Kconfig index 2e325cb747ae..730fd6d4db33 100644 --- a/drivers/staging/fsl-dpaa2/Kconfig +++ b/drivers/staging/fsl-dpaa2/Kconfig @@ -12,6 +12,7 @@ config FSL_DPAA2 config FSL_DPAA2_ETH tristate "Freescale DPAA2 Ethernet" depends on FSL_DPAA2 && FSL_MC_DPIO + depends on NETDEVICES && ETHERNET ---help--- Ethernet driver for Freescale DPAA2 SoCs, using the Freescale MC bus driver diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c index 4723a0bd5067..1c6ed5b2a6f9 100644 --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c @@ -97,8 +97,9 @@ void rtl92e_set_reg(struct net_device *dev, u8 variable, u8 *val) switch (variable) { case HW_VAR_BSSID: - rtl92e_writel(dev, BSSIDR, ((u32 *)(val))[0]); - rtl92e_writew(dev, BSSIDR+2, ((u16 *)(val+2))[0]); + /* BSSIDR 2 byte alignment */ + rtl92e_writew(dev, BSSIDR, *(u16 *)val); + rtl92e_writel(dev, BSSIDR + 2, *(u32 *)(val + 2)); break; case HW_VAR_MEDIA_STATUS: @@ -624,7 +625,7 @@ void rtl92e_get_eeprom_size(struct net_device *dev) struct r8192_priv *priv = rtllib_priv(dev); RT_TRACE(COMP_INIT, "===========>%s()\n", __func__); - curCR = rtl92e_readl(dev, EPROM_CMD); + curCR = rtl92e_readw(dev, EPROM_CMD); RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR); priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EEPROM_93C56 : @@ -961,8 +962,8 @@ static void _rtl92e_net_update(struct net_device *dev) rtl92e_config_rate(dev, &rate_config); priv->dot11CurrentPreambleMode = PREAMBLE_AUTO; priv->basic_rate = rate_config &= 0x15f; - rtl92e_writel(dev, BSSIDR, ((u32 *)net->bssid)[0]); - rtl92e_writew(dev, BSSIDR+4, ((u16 *)net->bssid)[2]); + rtl92e_writew(dev, BSSIDR, *(u16 *)net->bssid); + rtl92e_writel(dev, BSSIDR + 2, *(u32 *)(net->bssid + 2)); if (priv->rtllib->iw_mode == IW_MODE_ADHOC) { rtl92e_writew(dev, ATIMWND, 2); @@ -1182,8 +1183,7 @@ void rtl92e_fill_tx_desc(struct net_device *dev, struct tx_desc *pdesc, struct cb_desc *cb_desc, struct sk_buff *skb) { struct r8192_priv *priv = rtllib_priv(dev); - dma_addr_t mapping = pci_map_single(priv->pdev, skb->data, skb->len, - PCI_DMA_TODEVICE); + dma_addr_t mapping; struct tx_fwinfo_8190pci *pTxFwInfo; pTxFwInfo = (struct tx_fwinfo_8190pci *)skb->data; @@ -1194,8 +1194,6 @@ void rtl92e_fill_tx_desc(struct net_device *dev, struct tx_desc *pdesc, pTxFwInfo->Short = _rtl92e_query_is_short(pTxFwInfo->TxHT, pTxFwInfo->TxRate, cb_desc); - if (pci_dma_mapping_error(priv->pdev, mapping)) - netdev_err(dev, "%s(): DMA Mapping error\n", __func__); if (cb_desc->bAMPDUEnable) { pTxFwInfo->AllowAggregation = 1; pTxFwInfo->RxMF = cb_desc->ampdu_factor; @@ -1230,6 +1228,14 @@ void rtl92e_fill_tx_desc(struct net_device *dev, struct tx_desc *pdesc, } memset((u8 *)pdesc, 0, 12); + + mapping = pci_map_single(priv->pdev, skb->data, skb->len, + PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(priv->pdev, mapping)) { + netdev_err(dev, "%s(): DMA Mapping error\n", __func__); + return; + } + pdesc->LINIP = 0; pdesc->CmdInit = 1; pdesc->Offset = sizeof(struct tx_fwinfo_8190pci) + 8; diff --git a/drivers/staging/rtl8192e/rtl819x_TSProc.c b/drivers/staging/rtl8192e/rtl819x_TSProc.c index 48bbd9e8a52f..dcc4eb691889 100644 --- a/drivers/staging/rtl8192e/rtl819x_TSProc.c +++ b/drivers/staging/rtl8192e/rtl819x_TSProc.c @@ -306,11 +306,6 @@ static void MakeTSEntry(struct ts_common_info *pTsCommonInfo, u8 *Addr, pTsCommonInfo->TClasNum = TCLAS_Num; } -static bool IsACValid(unsigned int tid) -{ - return tid < 7; -} - bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8 *Addr, u8 TID, enum tr_select TxRxSelect, bool bAddNewTs) { @@ -328,12 +323,6 @@ bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, if (ieee->current_network.qos_data.supported == 0) { UP = 0; } else { - if (!IsACValid(TID)) { - netdev_warn(ieee->dev, "%s(): TID(%d) is not valid\n", - __func__, TID); - return false; - } - switch (TID) { case 0: case 3: @@ -351,6 +340,10 @@ bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, case 7: UP = 7; break; + default: + netdev_warn(ieee->dev, "%s(): TID(%d) is not valid\n", + __func__, TID); + return false; } } diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c index 5e7a61f24f8d..36c3189fc4b7 100644 --- a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c @@ -3531,7 +3531,6 @@ int rtw_wdev_alloc(struct adapter *padapter, struct device *dev) pwdev_priv->power_mgmt = true; else pwdev_priv->power_mgmt = false; - kfree((u8 *)wdev); return ret; diff --git a/drivers/staging/typec/fusb302/fusb302.c b/drivers/staging/typec/fusb302/fusb302.c index 2cee9a952c9b..4a356e509fe4 100644 --- a/drivers/staging/typec/fusb302/fusb302.c +++ b/drivers/staging/typec/fusb302/fusb302.c @@ -264,22 +264,36 @@ static void fusb302_debugfs_exit(const struct fusb302_chip *chip) { } #define FUSB302_RESUME_RETRY 10 #define FUSB302_RESUME_RETRY_SLEEP 50 -static int fusb302_i2c_write(struct fusb302_chip *chip, - u8 address, u8 data) + +static bool fusb302_is_suspended(struct fusb302_chip *chip) { int retry_cnt; - int ret = 0; - atomic_set(&chip->i2c_busy, 1); for (retry_cnt = 0; retry_cnt < FUSB302_RESUME_RETRY; retry_cnt++) { if (atomic_read(&chip->pm_suspend)) { - pr_err("fusb302_i2c: pm suspend, retry %d/%d\n", - retry_cnt + 1, FUSB302_RESUME_RETRY); + dev_err(chip->dev, "i2c: pm suspend, retry %d/%d\n", + retry_cnt + 1, FUSB302_RESUME_RETRY); msleep(FUSB302_RESUME_RETRY_SLEEP); } else { - break; + return false; } } + + return true; +} + +static int fusb302_i2c_write(struct fusb302_chip *chip, + u8 address, u8 data) +{ + int ret = 0; + + atomic_set(&chip->i2c_busy, 1); + + if (fusb302_is_suspended(chip)) { + atomic_set(&chip->i2c_busy, 0); + return -ETIMEDOUT; + } + ret = i2c_smbus_write_byte_data(chip->i2c_client, address, data); if (ret < 0) fusb302_log(chip, "cannot write 0x%02x to 0x%02x, ret=%d", @@ -292,21 +306,17 @@ static int fusb302_i2c_write(struct fusb302_chip *chip, static int fusb302_i2c_block_write(struct fusb302_chip *chip, u8 address, u8 length, const u8 *data) { - int retry_cnt; int ret = 0; if (length <= 0) return ret; atomic_set(&chip->i2c_busy, 1); - for (retry_cnt = 0; retry_cnt < FUSB302_RESUME_RETRY; retry_cnt++) { - if (atomic_read(&chip->pm_suspend)) { - pr_err("fusb302_i2c: pm suspend, retry %d/%d\n", - retry_cnt + 1, FUSB302_RESUME_RETRY); - msleep(FUSB302_RESUME_RETRY_SLEEP); - } else { - break; - } + + if (fusb302_is_suspended(chip)) { + atomic_set(&chip->i2c_busy, 0); + return -ETIMEDOUT; } + ret = i2c_smbus_write_i2c_block_data(chip->i2c_client, address, length, data); if (ret < 0) @@ -320,19 +330,15 @@ static int fusb302_i2c_block_write(struct fusb302_chip *chip, u8 address, static int fusb302_i2c_read(struct fusb302_chip *chip, u8 address, u8 *data) { - int retry_cnt; int ret = 0; atomic_set(&chip->i2c_busy, 1); - for (retry_cnt = 0; retry_cnt < FUSB302_RESUME_RETRY; retry_cnt++) { - if (atomic_read(&chip->pm_suspend)) { - pr_err("fusb302_i2c: pm suspend, retry %d/%d\n", - retry_cnt + 1, FUSB302_RESUME_RETRY); - msleep(FUSB302_RESUME_RETRY_SLEEP); - } else { - break; - } + + if (fusb302_is_suspended(chip)) { + atomic_set(&chip->i2c_busy, 0); + return -ETIMEDOUT; } + ret = i2c_smbus_read_byte_data(chip->i2c_client, address); *data = (u8)ret; if (ret < 0) @@ -345,33 +351,31 @@ static int fusb302_i2c_read(struct fusb302_chip *chip, static int fusb302_i2c_block_read(struct fusb302_chip *chip, u8 address, u8 length, u8 *data) { - int retry_cnt; int ret = 0; if (length <= 0) return ret; atomic_set(&chip->i2c_busy, 1); - for (retry_cnt = 0; retry_cnt < FUSB302_RESUME_RETRY; retry_cnt++) { - if (atomic_read(&chip->pm_suspend)) { - pr_err("fusb302_i2c: pm suspend, retry %d/%d\n", - retry_cnt + 1, FUSB302_RESUME_RETRY); - msleep(FUSB302_RESUME_RETRY_SLEEP); - } else { - break; - } + + if (fusb302_is_suspended(chip)) { + atomic_set(&chip->i2c_busy, 0); + return -ETIMEDOUT; } + ret = i2c_smbus_read_i2c_block_data(chip->i2c_client, address, length, data); if (ret < 0) { fusb302_log(chip, "cannot block read 0x%02x, len=%d, ret=%d", address, length, ret); - return ret; + goto done; } if (ret != length) { fusb302_log(chip, "only read %d/%d bytes from 0x%02x", ret, length, address); - return -EIO; + ret = -EIO; } + +done: atomic_set(&chip->i2c_busy, 0); return ret; @@ -489,7 +493,7 @@ static int tcpm_init(struct tcpc_dev *dev) ret = fusb302_i2c_read(chip, FUSB_REG_STATUS0, &data); if (ret < 0) return ret; - chip->vbus_present = !!(FUSB_REG_STATUS0 & FUSB_REG_STATUS0_VBUSOK); + chip->vbus_present = !!(data & FUSB_REG_STATUS0_VBUSOK); ret = fusb302_i2c_read(chip, FUSB_REG_DEVICE_ID, &data); if (ret < 0) return ret; @@ -1025,7 +1029,7 @@ static int fusb302_pd_send_message(struct fusb302_chip *chip, buf[pos++] = FUSB302_TKN_SYNC1; buf[pos++] = FUSB302_TKN_SYNC2; - len = pd_header_cnt(msg->header) * 4; + len = pd_header_cnt_le(msg->header) * 4; /* plug 2 for header */ len += 2; if (len > 0x1F) { @@ -1481,7 +1485,7 @@ static int fusb302_pd_read_message(struct fusb302_chip *chip, (u8 *)&msg->header); if (ret < 0) return ret; - len = pd_header_cnt(msg->header) * 4; + len = pd_header_cnt_le(msg->header) * 4; /* add 4 to length to include the CRC */ if (len > PD_MAX_PAYLOAD * 4) { fusb302_log(chip, "PD message too long %d", len); @@ -1663,14 +1667,12 @@ static int init_gpio(struct fusb302_chip *chip) if (ret < 0) { fusb302_log(chip, "cannot set GPIO Int_N to input, ret=%d", ret); - gpio_free(chip->gpio_int_n); return ret; } ret = gpio_to_irq(chip->gpio_int_n); if (ret < 0) { fusb302_log(chip, "cannot request IRQ for GPIO Int_N, ret=%d", ret); - gpio_free(chip->gpio_int_n); return ret; } chip->gpio_int_n_irq = ret; @@ -1787,11 +1789,13 @@ static const struct of_device_id fusb302_dt_match[] = { {.compatible = "fcs,fusb302"}, {}, }; +MODULE_DEVICE_TABLE(of, fusb302_dt_match); static const struct i2c_device_id fusb302_i2c_device_id[] = { {"typec_fusb302", 0}, {}, }; +MODULE_DEVICE_TABLE(i2c, fusb302_i2c_device_id); static const struct dev_pm_ops fusb302_pm_ops = { .suspend = fusb302_pm_suspend, diff --git a/drivers/staging/typec/pd.h b/drivers/staging/typec/pd.h index 8d97bdb95f23..510ef7279900 100644 --- a/drivers/staging/typec/pd.h +++ b/drivers/staging/typec/pd.h @@ -92,6 +92,16 @@ static inline unsigned int pd_header_type_le(__le16 header) return pd_header_type(le16_to_cpu(header)); } +static inline unsigned int pd_header_msgid(u16 header) +{ + return (header >> PD_HEADER_ID_SHIFT) & PD_HEADER_ID_MASK; +} + +static inline unsigned int pd_header_msgid_le(__le16 header) +{ + return pd_header_msgid(le16_to_cpu(header)); +} + #define PD_MAX_PAYLOAD 7 struct pd_message { diff --git a/drivers/staging/typec/pd_vdo.h b/drivers/staging/typec/pd_vdo.h index dba172e0e0d1..d92259f8de0a 100644 --- a/drivers/staging/typec/pd_vdo.h +++ b/drivers/staging/typec/pd_vdo.h @@ -22,6 +22,9 @@ * VDM object is minimum of VDM header + 6 additional data objects. */ +#define VDO_MAX_OBJECTS 6 +#define VDO_MAX_SIZE (VDO_MAX_OBJECTS + 1) + /* * VDM header * ---------- @@ -34,7 +37,6 @@ * <5> :: reserved (SVDM), command type (UVDM) * <4:0> :: command */ -#define VDO_MAX_SIZE 7 #define VDO(vid, type, custom) \ (((vid) << 16) | \ ((type) << 15) | \ diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c index 5e5be74c7850..df72d8b01e73 100644 --- a/drivers/staging/typec/tcpci.c +++ b/drivers/staging/typec/tcpci.c @@ -425,7 +425,7 @@ static const struct regmap_config tcpci_regmap_config = { .max_register = 0x7F, /* 0x80 .. 0xFF are vendor defined */ }; -const struct tcpc_config tcpci_tcpc_config = { +static const struct tcpc_config tcpci_tcpc_config = { .type = TYPEC_PORT_DFP, .default_role = TYPEC_SINK, }; diff --git a/drivers/staging/typec/tcpm.c b/drivers/staging/typec/tcpm.c index abba655ba00a..20eb4ebcf8c3 100644 --- a/drivers/staging/typec/tcpm.c +++ b/drivers/staging/typec/tcpm.c @@ -238,6 +238,7 @@ struct tcpm_port { unsigned int hard_reset_count; bool pd_capable; bool explicit_contract; + unsigned int rx_msgid; /* Partner capabilities/requests */ u32 sink_request; @@ -251,6 +252,8 @@ struct tcpm_port { unsigned int nr_src_pdo; u32 snk_pdo[PDO_MAX_OBJECTS]; unsigned int nr_snk_pdo; + u32 snk_vdo[VDO_MAX_OBJECTS]; + unsigned int nr_snk_vdo; unsigned int max_snk_mv; unsigned int max_snk_ma; @@ -997,6 +1000,7 @@ static int tcpm_pd_svdm(struct tcpm_port *port, const __le32 *payload, int cnt, struct pd_mode_data *modep; int rlen = 0; u16 svid; + int i; tcpm_log(port, "Rx VDM cmd 0x%x type %d cmd %d len %d", p0, cmd_type, cmd, cnt); @@ -1007,6 +1011,14 @@ static int tcpm_pd_svdm(struct tcpm_port *port, const __le32 *payload, int cnt, case CMDT_INIT: switch (cmd) { case CMD_DISCOVER_IDENT: + /* 6.4.4.3.1: Only respond as UFP (device) */ + if (port->data_role == TYPEC_DEVICE && + port->nr_snk_vdo) { + for (i = 0; i < port->nr_snk_vdo; i++) + response[i + 1] + = cpu_to_le32(port->snk_vdo[i]); + rlen = port->nr_snk_vdo + 1; + } break; case CMD_DISCOVER_SVID: break; @@ -1415,6 +1427,7 @@ static void tcpm_pd_ctrl_request(struct tcpm_port *port, break; case SOFT_RESET_SEND: port->message_id = 0; + port->rx_msgid = -1; if (port->pwr_role == TYPEC_SOURCE) next_state = SRC_SEND_CAPABILITIES; else @@ -1503,6 +1516,22 @@ static void tcpm_pd_rx_handler(struct work_struct *work) port->attached); if (port->attached) { + enum pd_ctrl_msg_type type = pd_header_type_le(msg->header); + unsigned int msgid = pd_header_msgid_le(msg->header); + + /* + * USB PD standard, 6.6.1.2: + * "... if MessageID value in a received Message is the + * same as the stored value, the receiver shall return a + * GoodCRC Message with that MessageID value and drop + * the Message (this is a retry of an already received + * Message). Note: this shall not apply to the Soft_Reset + * Message which always has a MessageID value of zero." + */ + if (msgid == port->rx_msgid && type != PD_CTRL_SOFT_RESET) + goto done; + port->rx_msgid = msgid; + /* * If both ends believe to be DFP/host, we have a data role * mismatch. @@ -1520,6 +1549,7 @@ static void tcpm_pd_rx_handler(struct work_struct *work) } } +done: mutex_unlock(&port->lock); kfree(event); } @@ -1719,8 +1749,7 @@ static int tcpm_pd_build_request(struct tcpm_port *port, u32 *rdo) } ma = min(ma, port->max_snk_ma); - /* XXX: Any other flags need to be set? */ - flags = 0; + flags = RDO_USB_COMM | RDO_NO_SUSPEND; /* Set mismatch bit if offered power is less than operating power */ mw = ma * mv / 1000; @@ -1957,6 +1986,12 @@ static void tcpm_reset_port(struct tcpm_port *port) port->attached = false; port->pd_capable = false; + /* + * First Rx ID should be 0; set this to a sentinel of -1 so that + * we can check tcpm_pd_rx_handler() if we had seen it before. + */ + port->rx_msgid = -1; + port->tcpc->set_pd_rx(port->tcpc, false); tcpm_init_vbus(port); /* also disables charging */ tcpm_init_vconn(port); @@ -2170,6 +2205,7 @@ static void run_state_machine(struct tcpm_port *port) port->pwr_opmode = TYPEC_PWR_MODE_USB; port->caps_count = 0; port->message_id = 0; + port->rx_msgid = -1; port->explicit_contract = false; tcpm_set_state(port, SRC_SEND_CAPABILITIES, 0); break; @@ -2329,6 +2365,7 @@ static void run_state_machine(struct tcpm_port *port) typec_set_pwr_opmode(port->typec_port, TYPEC_PWR_MODE_USB); port->pwr_opmode = TYPEC_PWR_MODE_USB; port->message_id = 0; + port->rx_msgid = -1; port->explicit_contract = false; tcpm_set_state(port, SNK_DISCOVERY, 0); break; @@ -2496,6 +2533,7 @@ static void run_state_machine(struct tcpm_port *port) /* Soft_Reset states */ case SOFT_RESET: port->message_id = 0; + port->rx_msgid = -1; tcpm_pd_send_control(port, PD_CTRL_ACCEPT); if (port->pwr_role == TYPEC_SOURCE) tcpm_set_state(port, SRC_SEND_CAPABILITIES, 0); @@ -2504,6 +2542,7 @@ static void run_state_machine(struct tcpm_port *port) break; case SOFT_RESET_SEND: port->message_id = 0; + port->rx_msgid = -1; if (tcpm_pd_send_control(port, PD_CTRL_SOFT_RESET)) tcpm_set_state_cond(port, hard_reset_state(port), 0); else @@ -2568,6 +2607,14 @@ static void run_state_machine(struct tcpm_port *port) break; case PR_SWAP_SRC_SNK_SOURCE_OFF: tcpm_set_cc(port, TYPEC_CC_RD); + /* + * USB-PD standard, 6.2.1.4, Port Power Role: + * "During the Power Role Swap Sequence, for the initial Source + * Port, the Port Power Role field shall be set to Sink in the + * PS_RDY Message indicating that the initial Source’s power + * supply is turned off" + */ + tcpm_set_pwr_role(port, TYPEC_SINK); if (tcpm_pd_send_control(port, PD_CTRL_PS_RDY)) { tcpm_set_state(port, ERROR_RECOVERY, 0); break; @@ -2575,7 +2622,6 @@ static void run_state_machine(struct tcpm_port *port) tcpm_set_state_cond(port, SNK_UNATTACHED, PD_T_PS_SOURCE_ON); break; case PR_SWAP_SRC_SNK_SINK_ON: - tcpm_set_pwr_role(port, TYPEC_SINK); tcpm_swap_complete(port, 0); tcpm_set_state(port, SNK_STARTUP, 0); break; @@ -2587,8 +2633,15 @@ static void run_state_machine(struct tcpm_port *port) case PR_SWAP_SNK_SRC_SOURCE_ON: tcpm_set_cc(port, tcpm_rp_cc(port)); tcpm_set_vbus(port, true); - tcpm_pd_send_control(port, PD_CTRL_PS_RDY); + /* + * USB PD standard, 6.2.1.4: + * "Subsequent Messages initiated by the Policy Engine, + * such as the PS_RDY Message sent to indicate that Vbus + * is ready, will have the Port Power Role field set to + * Source." + */ tcpm_set_pwr_role(port, TYPEC_SOURCE); + tcpm_pd_send_control(port, PD_CTRL_PS_RDY); tcpm_swap_complete(port, 0); tcpm_set_state(port, SRC_STARTUP, 0); break; @@ -3292,6 +3345,20 @@ static int tcpm_copy_pdos(u32 *dest_pdo, const u32 *src_pdo, return nr_pdo; } +static int tcpm_copy_vdos(u32 *dest_vdo, const u32 *src_vdo, + unsigned int nr_vdo) +{ + unsigned int i; + + if (nr_vdo > VDO_MAX_OBJECTS) + nr_vdo = VDO_MAX_OBJECTS; + + for (i = 0; i < nr_vdo; i++) + dest_vdo[i] = src_vdo[i]; + + return nr_vdo; +} + void tcpm_update_source_capabilities(struct tcpm_port *port, const u32 *pdo, unsigned int nr_pdo) { @@ -3382,6 +3449,8 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc) tcpc->config->nr_src_pdo); port->nr_snk_pdo = tcpm_copy_pdos(port->snk_pdo, tcpc->config->snk_pdo, tcpc->config->nr_snk_pdo); + port->nr_snk_vdo = tcpm_copy_vdos(port->snk_vdo, tcpc->config->snk_vdo, + tcpc->config->nr_snk_vdo); port->max_snk_mv = tcpc->config->max_snk_mv; port->max_snk_ma = tcpc->config->max_snk_ma; diff --git a/drivers/staging/typec/tcpm.h b/drivers/staging/typec/tcpm.h index 969b365e6549..19c307d31a5a 100644 --- a/drivers/staging/typec/tcpm.h +++ b/drivers/staging/typec/tcpm.h @@ -60,6 +60,9 @@ struct tcpc_config { const u32 *snk_pdo; unsigned int nr_snk_pdo; + const u32 *snk_vdo; + unsigned int nr_snk_vdo; + unsigned int max_snk_mv; unsigned int max_snk_ma; unsigned int max_snk_mw; diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c index 988ee61fb4a7..d04db3f55519 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c @@ -502,8 +502,15 @@ create_pagelist(char __user *buf, size_t count, unsigned short type, */ sg_init_table(scatterlist, num_pages); /* Now set the pages for each scatterlist */ - for (i = 0; i < num_pages; i++) - sg_set_page(scatterlist + i, pages[i], PAGE_SIZE, 0); + for (i = 0; i < num_pages; i++) { + unsigned int len = PAGE_SIZE - offset; + + if (len > count) + len = count; + sg_set_page(scatterlist + i, pages[i], len, offset); + offset = 0; + count -= len; + } dma_buffers = dma_map_sg(g_dev, scatterlist, @@ -524,20 +531,20 @@ create_pagelist(char __user *buf, size_t count, unsigned short type, u32 addr = sg_dma_address(sg); /* Note: addrs is the address + page_count - 1 - * The firmware expects the block to be page + * The firmware expects blocks after the first to be page- * aligned and a multiple of the page size */ WARN_ON(len == 0); - WARN_ON(len & ~PAGE_MASK); - WARN_ON(addr & ~PAGE_MASK); + WARN_ON(i && (i != (dma_buffers - 1)) && (len & ~PAGE_MASK)); + WARN_ON(i && (addr & ~PAGE_MASK)); if (k > 0 && - ((addrs[k - 1] & PAGE_MASK) | - ((addrs[k - 1] & ~PAGE_MASK) + 1) << PAGE_SHIFT) - == addr) { - addrs[k - 1] += (len >> PAGE_SHIFT); - } else { - addrs[k++] = addr | ((len >> PAGE_SHIFT) - 1); - } + ((addrs[k - 1] & PAGE_MASK) + + (((addrs[k - 1] & ~PAGE_MASK) + 1) << PAGE_SHIFT)) + == (addr & PAGE_MASK)) + addrs[k - 1] += ((len + PAGE_SIZE - 1) >> PAGE_SHIFT); + else + addrs[k++] = (addr & PAGE_MASK) | + (((len + PAGE_SIZE - 1) >> PAGE_SHIFT) - 1); } /* Partial cache lines (fragments) require special measures */ diff --git a/drivers/tee/Kconfig b/drivers/tee/Kconfig index 2330a4eb4e8b..a6df12d88f90 100644 --- a/drivers/tee/Kconfig +++ b/drivers/tee/Kconfig @@ -1,6 +1,7 @@ # Generic Trusted Execution Environment Configuration config TEE tristate "Trusted Execution Environment support" + depends on HAVE_ARM_SMCCC || COMPILE_TEST select DMA_SHARED_BUFFER select GENERIC_ALLOCATOR help diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index 1c196f87e9d9..ff04b7f8549f 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -279,7 +279,7 @@ static int uio_dev_add_attributes(struct uio_device *idev) map = kzalloc(sizeof(*map), GFP_KERNEL); if (!map) { ret = -ENOMEM; - goto err_map_kobj; + goto err_map; } kobject_init(&map->kobj, &map_attr_type); map->mem = mem; @@ -289,7 +289,7 @@ static int uio_dev_add_attributes(struct uio_device *idev) goto err_map_kobj; ret = kobject_uevent(&map->kobj, KOBJ_ADD); if (ret) - goto err_map; + goto err_map_kobj; } for (pi = 0; pi < MAX_UIO_PORT_REGIONS; pi++) { @@ -308,7 +308,7 @@ static int uio_dev_add_attributes(struct uio_device *idev) portio = kzalloc(sizeof(*portio), GFP_KERNEL); if (!portio) { ret = -ENOMEM; - goto err_portio_kobj; + goto err_portio; } kobject_init(&portio->kobj, &portio_attr_type); portio->port = port; @@ -319,7 +319,7 @@ static int uio_dev_add_attributes(struct uio_device *idev) goto err_portio_kobj; ret = kobject_uevent(&portio->kobj, KOBJ_ADD); if (ret) - goto err_portio; + goto err_portio_kobj; } return 0; diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index cfc3cff6e8d5..8e6ef671be9b 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -475,11 +475,11 @@ static void snoop_urb(struct usb_device *udev, if (userurb) { /* Async */ if (when == SUBMIT) - dev_info(&udev->dev, "userurb %p, ep%d %s-%s, " + dev_info(&udev->dev, "userurb %pK, ep%d %s-%s, " "length %u\n", userurb, ep, t, d, length); else - dev_info(&udev->dev, "userurb %p, ep%d %s-%s, " + dev_info(&udev->dev, "userurb %pK, ep%d %s-%s, " "actual_length %u status %d\n", userurb, ep, t, d, length, timeout_or_status); @@ -1895,7 +1895,7 @@ static int proc_reapurb(struct usb_dev_state *ps, void __user *arg) if (as) { int retval; - snoop(&ps->dev->dev, "reap %p\n", as->userurb); + snoop(&ps->dev->dev, "reap %pK\n", as->userurb); retval = processcompl(as, (void __user * __user *)arg); free_async(as); return retval; @@ -1912,7 +1912,7 @@ static int proc_reapurbnonblock(struct usb_dev_state *ps, void __user *arg) as = async_getcompleted(ps); if (as) { - snoop(&ps->dev->dev, "reap %p\n", as->userurb); + snoop(&ps->dev->dev, "reap %pK\n", as->userurb); retval = processcompl(as, (void __user * __user *)arg); free_async(as); } else { @@ -2043,7 +2043,7 @@ static int proc_reapurb_compat(struct usb_dev_state *ps, void __user *arg) if (as) { int retval; - snoop(&ps->dev->dev, "reap %p\n", as->userurb); + snoop(&ps->dev->dev, "reap %pK\n", as->userurb); retval = processcompl_compat(as, (void __user * __user *)arg); free_async(as); return retval; @@ -2060,7 +2060,7 @@ static int proc_reapurbnonblock_compat(struct usb_dev_state *ps, void __user *ar as = async_getcompleted(ps); if (as) { - snoop(&ps->dev->dev, "reap %p\n", as->userurb); + snoop(&ps->dev->dev, "reap %pK\n", as->userurb); retval = processcompl_compat(as, (void __user * __user *)arg); free_async(as); } else { @@ -2489,7 +2489,7 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd, #endif case USBDEVFS_DISCARDURB: - snoop(&dev->dev, "%s: DISCARDURB %p\n", __func__, p); + snoop(&dev->dev, "%s: DISCARDURB %pK\n", __func__, p); ret = proc_unlinkurb(ps, p); break; diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 49550790a3cb..5dea98358c05 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1723,7 +1723,7 @@ int usb_hcd_unlink_urb (struct urb *urb, int status) if (retval == 0) retval = -EINPROGRESS; else if (retval != -EIDRM && retval != -EBUSY) - dev_dbg(&udev->dev, "hcd_unlink_urb %p fail %d\n", + dev_dbg(&udev->dev, "hcd_unlink_urb %pK fail %d\n", urb, retval); usb_put_dev(udev); } @@ -1890,7 +1890,7 @@ rescan: /* kick hcd */ unlink1(hcd, urb, -ESHUTDOWN); dev_dbg (hcd->self.controller, - "shutdown urb %p ep%d%s%s\n", + "shutdown urb %pK ep%d%s%s\n", urb, usb_endpoint_num(&ep->desc), is_in ? "in" : "out", ({ char *s; @@ -2520,6 +2520,7 @@ struct usb_hcd *__usb_create_hcd(const struct hc_driver *driver, hcd->bandwidth_mutex = kmalloc(sizeof(*hcd->bandwidth_mutex), GFP_KERNEL); if (!hcd->bandwidth_mutex) { + kfree(hcd->address0_mutex); kfree(hcd); dev_dbg(dev, "hcd bandwidth mutex alloc failed\n"); return NULL; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 9dca59ef18b3..b8bb20d7acdb 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -362,7 +362,8 @@ static void usb_set_lpm_parameters(struct usb_device *udev) } /* USB 2.0 spec Section 11.24.4.5 */ -static int get_hub_descriptor(struct usb_device *hdev, void *data) +static int get_hub_descriptor(struct usb_device *hdev, + struct usb_hub_descriptor *desc) { int i, ret, size; unsigned dtype; @@ -378,10 +379,18 @@ static int get_hub_descriptor(struct usb_device *hdev, void *data) for (i = 0; i < 3; i++) { ret = usb_control_msg(hdev, usb_rcvctrlpipe(hdev, 0), USB_REQ_GET_DESCRIPTOR, USB_DIR_IN | USB_RT_HUB, - dtype << 8, 0, data, size, + dtype << 8, 0, desc, size, USB_CTRL_GET_TIMEOUT); - if (ret >= (USB_DT_HUB_NONVAR_SIZE + 2)) + if (hub_is_superspeed(hdev)) { + if (ret == size) + return ret; + } else if (ret >= USB_DT_HUB_NONVAR_SIZE + 2) { + /* Make sure we have the DeviceRemovable field. */ + size = USB_DT_HUB_NONVAR_SIZE + desc->bNbrPorts / 8 + 1; + if (ret < size) + return -EMSGSIZE; return ret; + } } return -EINVAL; } @@ -1313,7 +1322,7 @@ static int hub_configure(struct usb_hub *hub, } mutex_init(&hub->status_mutex); - hub->descriptor = kmalloc(sizeof(*hub->descriptor), GFP_KERNEL); + hub->descriptor = kzalloc(sizeof(*hub->descriptor), GFP_KERNEL); if (!hub->descriptor) { ret = -ENOMEM; goto fail; @@ -1321,13 +1330,19 @@ static int hub_configure(struct usb_hub *hub, /* Request the entire hub descriptor. * hub->descriptor can handle USB_MAXCHILDREN ports, - * but the hub can/will return fewer bytes here. + * but a (non-SS) hub can/will return fewer bytes here. */ ret = get_hub_descriptor(hdev, hub->descriptor); if (ret < 0) { message = "can't read hub descriptor"; goto fail; - } else if (hub->descriptor->bNbrPorts > USB_MAXCHILDREN) { + } + + maxchild = USB_MAXCHILDREN; + if (hub_is_superspeed(hdev)) + maxchild = min_t(unsigned, maxchild, USB_SS_MAXPORTS); + + if (hub->descriptor->bNbrPorts > maxchild) { message = "hub has too many ports!"; ret = -ENODEV; goto fail; diff --git a/drivers/usb/core/of.c b/drivers/usb/core/of.c index d787f195a9a6..d563cbcf76cf 100644 --- a/drivers/usb/core/of.c +++ b/drivers/usb/core/of.c @@ -53,6 +53,9 @@ EXPORT_SYMBOL_GPL(usb_of_get_child_node); * * Find the companion device from platform bus. * + * Takes a reference to the returned struct device which needs to be dropped + * after use. + * * Return: On success, a pointer to the companion device, %NULL on failure. */ struct device *usb_of_get_companion_dev(struct device *dev) diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index d75cb8c0f7df..47903d510955 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -338,7 +338,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) if (!urb || !urb->complete) return -EINVAL; if (urb->hcpriv) { - WARN_ONCE(1, "URB %p submitted while active\n", urb); + WARN_ONCE(1, "URB %pK submitted while active\n", urb); return -EBUSY; } diff --git a/drivers/usb/dwc3/dwc3-keystone.c b/drivers/usb/dwc3/dwc3-keystone.c index 72664700b8a2..12ee23f53cdd 100644 --- a/drivers/usb/dwc3/dwc3-keystone.c +++ b/drivers/usb/dwc3/dwc3-keystone.c @@ -107,6 +107,10 @@ static int kdwc3_probe(struct platform_device *pdev) return PTR_ERR(kdwc->usbss); kdwc->clk = devm_clk_get(kdwc->dev, "usb"); + if (IS_ERR(kdwc->clk)) { + dev_err(kdwc->dev, "unable to get usb clock\n"); + return PTR_ERR(kdwc->clk); + } error = clk_prepare_enable(kdwc->clk); if (error < 0) { diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index a15ec71d0423..84a2cebfc712 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -39,6 +39,8 @@ #define PCI_DEVICE_ID_INTEL_APL 0x5aaa #define PCI_DEVICE_ID_INTEL_KBP 0xa2b0 #define PCI_DEVICE_ID_INTEL_GLK 0x31aa +#define PCI_DEVICE_ID_INTEL_CNPLP 0x9dee +#define PCI_DEVICE_ID_INTEL_CNPH 0xa36e #define PCI_INTEL_BXT_DSM_UUID "732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511" #define PCI_INTEL_BXT_FUNC_PMU_PWR 4 @@ -270,6 +272,8 @@ static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_APL), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBP), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_GLK), }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CNPLP), }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CNPH), }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), }, { } /* Terminating Entry */ }; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 6f6f0b3be3ad..aea9a5b948b4 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1261,14 +1261,24 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) __dwc3_gadget_start_isoc(dwc, dep, cur_uf); dep->flags &= ~DWC3_EP_PENDING_REQUEST; } + return 0; } - return 0; + + if ((dep->flags & DWC3_EP_BUSY) && + !(dep->flags & DWC3_EP_MISSED_ISOC)) { + WARN_ON_ONCE(!dep->resource_index); + ret = __dwc3_gadget_kick_transfer(dep, + dep->resource_index); + } + + goto out; } if (!dwc3_calc_trbs_left(dep)) return 0; ret = __dwc3_gadget_kick_transfer(dep, 0); +out: if (ret == -EBUSY) ret = 0; @@ -3026,6 +3036,15 @@ static irqreturn_t dwc3_check_event_buf(struct dwc3_event_buffer *evt) return IRQ_HANDLED; } + /* + * With PCIe legacy interrupt, test shows that top-half irq handler can + * be called again after HW interrupt deassertion. Check if bottom-half + * irq event handler completes before caching new event to prevent + * losing events. + */ + if (evt->flags & DWC3_EVENT_PENDING) + return IRQ_HANDLED; + count = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(0)); count &= DWC3_GEVNTCOUNT_MASK; if (!count) diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 71dd27c0d7f2..47dda3450abd 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -1858,12 +1858,12 @@ static int ffs_func_eps_enable(struct ffs_function *func) ep->ep->driver_data = ep; ep->ep->desc = ds; - comp_desc = (struct usb_ss_ep_comp_descriptor *)(ds + - USB_DT_ENDPOINT_SIZE); - ep->ep->maxburst = comp_desc->bMaxBurst + 1; - - if (needs_comp_desc) + if (needs_comp_desc) { + comp_desc = (struct usb_ss_ep_comp_descriptor *)(ds + + USB_DT_ENDPOINT_SIZE); + ep->ep->maxburst = comp_desc->bMaxBurst + 1; ep->ep->comp_desc = comp_desc; + } ret = usb_ep_enable(ep->ep); if (likely(!ret)) { diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index 000677c991b0..9b0805f55ad7 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -1256,7 +1256,7 @@ static void gserial_console_exit(void) struct gscons_info *info = &gscons_info; unregister_console(&gserial_cons); - if (info->console_thread != NULL) + if (!IS_ERR_OR_NULL(info->console_thread)) kthread_stop(info->console_thread); gs_buf_free(&info->con_buf); } diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c index c79081952ea0..ccabb51cb98d 100644 --- a/drivers/usb/gadget/udc/dummy_hcd.c +++ b/drivers/usb/gadget/udc/dummy_hcd.c @@ -2008,7 +2008,7 @@ ss_hub_descriptor(struct usb_hub_descriptor *desc) HUB_CHAR_COMMON_OCPM); desc->bNbrPorts = 1; desc->u.ss.bHubHdrDecLat = 0x04; /* Worst case: 0.4 micro sec*/ - desc->u.ss.DeviceRemovable = 0xffff; + desc->u.ss.DeviceRemovable = 0; } static inline void hub_descriptor(struct usb_hub_descriptor *desc) @@ -2020,8 +2020,8 @@ static inline void hub_descriptor(struct usb_hub_descriptor *desc) HUB_CHAR_INDV_PORT_LPSM | HUB_CHAR_COMMON_OCPM); desc->bNbrPorts = 1; - desc->u.hs.DeviceRemovable[0] = 0xff; - desc->u.hs.DeviceRemovable[1] = 0xff; + desc->u.hs.DeviceRemovable[0] = 0; + desc->u.hs.DeviceRemovable[1] = 0xff; /* PortPwrCtrlMask */ } static int dummy_hub_control( diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index bc7b9be12f54..f1908ea9fbd8 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -384,8 +384,10 @@ static int ehci_platform_resume(struct device *dev) } companion_dev = usb_of_get_companion_dev(hcd->self.controller); - if (companion_dev) + if (companion_dev) { device_pm_wait_for_dev(hcd->self.controller, companion_dev); + put_device(companion_dev); + } ehci_resume(hcd, priv->reset_on_resume); return 0; diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index bfa7fa3d2eea..7bf78be1fd32 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -1269,7 +1269,7 @@ static void set_td_timer(struct r8a66597 *r8a66597, struct r8a66597_td *td) time = 30; break; default: - time = 300; + time = 50; break; } @@ -1785,6 +1785,7 @@ static void r8a66597_td_timer(unsigned long _r8a66597) pipe = td->pipe; pipe_stop(r8a66597, pipe); + /* Select a different address or endpoint */ new_td = td; do { list_move_tail(&new_td->queue, @@ -1794,7 +1795,8 @@ static void r8a66597_td_timer(unsigned long _r8a66597) new_td = td; break; } - } while (td != new_td && td->address == new_td->address); + } while (td != new_td && td->address == new_td->address && + td->pipe->info.epnum == new_td->pipe->info.epnum); start_transfer(r8a66597, new_td); diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 5e3e9d4c6956..0dde49c35dd2 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -419,7 +419,7 @@ static int xhci_stop_device(struct xhci_hcd *xhci, int slot_id, int suspend) wait_for_completion(cmd->completion); if (cmd->status == COMP_COMMAND_ABORTED || - cmd->status == COMP_STOPPED) { + cmd->status == COMP_COMMAND_RING_STOPPED) { xhci_warn(xhci, "Timeout while waiting for stop endpoint command\n"); ret = -ETIME; } diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index bbe22bcc550a..1f1687e888d6 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -56,7 +56,7 @@ static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci, } if (max_packet) { - seg->bounce_buf = kzalloc(max_packet, flags | GFP_DMA); + seg->bounce_buf = kzalloc(max_packet, flags); if (!seg->bounce_buf) { dma_pool_free(xhci->segment_pool, seg->trbs, dma); kfree(seg); @@ -1724,7 +1724,7 @@ static int scratchpad_alloc(struct xhci_hcd *xhci, gfp_t flags) xhci->dcbaa->dev_context_ptrs[0] = cpu_to_le64(xhci->scratchpad->sp_dma); for (i = 0; i < num_sp; i++) { dma_addr_t dma; - void *buf = dma_alloc_coherent(dev, xhci->page_size, &dma, + void *buf = dma_zalloc_coherent(dev, xhci->page_size, &dma, flags); if (!buf) goto fail_sp4; @@ -2307,10 +2307,11 @@ static int xhci_setup_port_arrays(struct xhci_hcd *xhci, gfp_t flags) /* Place limits on the number of roothub ports so that the hub * descriptors aren't longer than the USB core will allocate. */ - if (xhci->num_usb3_ports > 15) { + if (xhci->num_usb3_ports > USB_SS_MAXPORTS) { xhci_dbg_trace(xhci, trace_xhci_dbg_init, - "Limiting USB 3.0 roothub ports to 15."); - xhci->num_usb3_ports = 15; + "Limiting USB 3.0 roothub ports to %u.", + USB_SS_MAXPORTS); + xhci->num_usb3_ports = USB_SS_MAXPORTS; } if (xhci->num_usb2_ports > USB_MAXCHILDREN) { xhci_dbg_trace(xhci, trace_xhci_dbg_init, diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 7b86508ac8cf..fcf1f3f63e7a 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -52,6 +52,7 @@ #define PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI 0x0aa8 #define PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI 0x1aa8 #define PCI_DEVICE_ID_INTEL_APL_XHCI 0x5aa8 +#define PCI_DEVICE_ID_INTEL_DNV_XHCI 0x19d0 static const char hcd_name[] = "xhci_hcd"; @@ -166,7 +167,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI || - pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI)) { + pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_DNV_XHCI)) { xhci->quirks |= XHCI_PME_STUCK_QUIRK; } if (pdev->vendor == PCI_VENDOR_ID_INTEL && @@ -175,7 +177,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) } if (pdev->vendor == PCI_VENDOR_ID_INTEL && (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI || - pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI)) + pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_DNV_XHCI)) xhci->quirks |= XHCI_MISSING_CAS; if (pdev->vendor == PCI_VENDOR_ID_ETRON && diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 7c2a9e7c8e0f..c04144b25a67 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -177,7 +177,7 @@ static int xhci_plat_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq < 0) - return -ENODEV; + return irq; /* * sysdev must point to a device that is known to the system firmware diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 74bf5c60a260..03f63f50afb6 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -323,7 +323,7 @@ static void xhci_handle_stopped_cmd_ring(struct xhci_hcd *xhci, if (i_cmd->status != COMP_COMMAND_ABORTED) continue; - i_cmd->status = COMP_STOPPED; + i_cmd->status = COMP_COMMAND_RING_STOPPED; xhci_dbg(xhci, "Turn aborted command %p to no-op\n", i_cmd->command_trb); @@ -641,8 +641,8 @@ static void xhci_giveback_urb_in_irq(struct xhci_hcd *xhci, xhci_urb_free_priv(urb_priv); usb_hcd_unlink_urb_from_ep(hcd, urb); spin_unlock(&xhci->lock); - usb_hcd_giveback_urb(hcd, urb, status); trace_xhci_urb_giveback(urb); + usb_hcd_giveback_urb(hcd, urb, status); spin_lock(&xhci->lock); } @@ -1380,7 +1380,7 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, cmd_comp_code = GET_COMP_CODE(le32_to_cpu(event->status)); /* If CMD ring stopped we own the trbs between enqueue and dequeue */ - if (cmd_comp_code == COMP_STOPPED) { + if (cmd_comp_code == COMP_COMMAND_RING_STOPPED) { complete_all(&xhci->cmd_ring_stop_completion); return; } @@ -1436,8 +1436,8 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, break; case TRB_CMD_NOOP: /* Is this an aborted command turned to NO-OP? */ - if (cmd->status == COMP_STOPPED) - cmd_comp_code = COMP_STOPPED; + if (cmd->status == COMP_COMMAND_RING_STOPPED) + cmd_comp_code = COMP_COMMAND_RING_STOPPED; break; case TRB_RESET_EP: WARN_ON(slot_id != TRB_TO_SLOT_ID( @@ -2677,11 +2677,12 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) struct xhci_hcd *xhci = hcd_to_xhci(hcd); union xhci_trb *event_ring_deq; irqreturn_t ret = IRQ_NONE; + unsigned long flags; dma_addr_t deq; u64 temp_64; u32 status; - spin_lock(&xhci->lock); + spin_lock_irqsave(&xhci->lock, flags); /* Check if the xHC generated the interrupt, or the irq is shared */ status = readl(&xhci->op_regs->status); if (status == ~(u32)0) { @@ -2707,12 +2708,9 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) */ status |= STS_EINT; writel(status, &xhci->op_regs->status); - /* FIXME when MSI-X is supported and there are multiple vectors */ - /* Clear the MSI-X event interrupt status */ - if (hcd->irq) { + if (!hcd->msi_enabled) { u32 irq_pending; - /* Acknowledge the PCI interrupt */ irq_pending = readl(&xhci->ir_set->irq_pending); irq_pending |= IMAN_IP; writel(irq_pending, &xhci->ir_set->irq_pending); @@ -2757,7 +2755,7 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) ret = IRQ_HANDLED; out: - spin_unlock(&xhci->lock); + spin_unlock_irqrestore(&xhci->lock, flags); return ret; } diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 2d1310220832..30f47d92a610 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -359,9 +359,10 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd) /* fall back to msi*/ ret = xhci_setup_msi(xhci); - if (!ret) - /* hcd->irq is 0, we have MSI */ + if (!ret) { + hcd->msi_enabled = 1; return 0; + } if (!pdev->irq) { xhci_err(xhci, "No msi-x/msi found and no IRQ in BIOS\n"); @@ -1763,7 +1764,7 @@ static int xhci_configure_endpoint_result(struct xhci_hcd *xhci, switch (*cmd_status) { case COMP_COMMAND_ABORTED: - case COMP_STOPPED: + case COMP_COMMAND_RING_STOPPED: xhci_warn(xhci, "Timeout while waiting for configure endpoint command\n"); ret = -ETIME; break; @@ -1813,7 +1814,7 @@ static int xhci_evaluate_context_result(struct xhci_hcd *xhci, switch (*cmd_status) { case COMP_COMMAND_ABORTED: - case COMP_STOPPED: + case COMP_COMMAND_RING_STOPPED: xhci_warn(xhci, "Timeout while waiting for evaluate context command\n"); ret = -ETIME; break; @@ -3432,7 +3433,7 @@ static int xhci_discover_or_reset_device(struct usb_hcd *hcd, ret = reset_device_cmd->status; switch (ret) { case COMP_COMMAND_ABORTED: - case COMP_STOPPED: + case COMP_COMMAND_RING_STOPPED: xhci_warn(xhci, "Timeout waiting for reset device command\n"); ret = -ETIME; goto command_cleanup; @@ -3817,7 +3818,7 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev, */ switch (command->status) { case COMP_COMMAND_ABORTED: - case COMP_STOPPED: + case COMP_COMMAND_RING_STOPPED: xhci_warn(xhci, "Timeout while waiting for setup device command\n"); ret = -ETIME; break; diff --git a/drivers/usb/misc/chaoskey.c b/drivers/usb/misc/chaoskey.c index e9cae4d82af2..15d4e64d3b65 100644 --- a/drivers/usb/misc/chaoskey.c +++ b/drivers/usb/misc/chaoskey.c @@ -192,7 +192,7 @@ static int chaoskey_probe(struct usb_interface *interface, dev->in_ep = in_ep; - if (udev->descriptor.idVendor != ALEA_VENDOR_ID) + if (le16_to_cpu(udev->descriptor.idVendor) != ALEA_VENDOR_ID) dev->reads_started = 1; dev->size = size; diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index 77569531b78a..83b05a287b0c 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -554,7 +554,7 @@ static long iowarrior_ioctl(struct file *file, unsigned int cmd, info.revision = le16_to_cpu(dev->udev->descriptor.bcdDevice); /* 0==UNKNOWN, 1==LOW(usb1.1) ,2=FULL(usb1.1), 3=HIGH(usb2.0) */ - info.speed = le16_to_cpu(dev->udev->speed); + info.speed = dev->udev->speed; info.if_num = dev->interface->cur_altsetting->desc.bInterfaceNumber; info.report_size = dev->report_size; diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c index aa3c280fdf8d..0782ac6f5edf 100644 --- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -926,6 +926,7 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device USB_MAJOR, dev->minor); exit: + kfree(get_version_reply); return retval; error: diff --git a/drivers/usb/misc/sisusbvga/sisusb_con.c b/drivers/usb/misc/sisusbvga/sisusb_con.c index 3c6948af726a..f019d80ca9e4 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_con.c +++ b/drivers/usb/misc/sisusbvga/sisusb_con.c @@ -973,7 +973,7 @@ sisusbcon_set_origin(struct vc_data *c) mutex_unlock(&sisusb->lock); - return 1; + return true; } /* Interface routine */ diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index ac3a4952abb4..dbe617a735d8 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -2780,10 +2780,11 @@ int musb_host_setup(struct musb *musb, int power_budget) int ret; struct usb_hcd *hcd = musb->hcd; - MUSB_HST_MODE(musb); - musb->xceiv->otg->default_a = 1; - musb->xceiv->otg->state = OTG_STATE_A_IDLE; - + if (musb->port_mode == MUSB_PORT_MODE_HOST) { + MUSB_HST_MODE(musb); + musb->xceiv->otg->default_a = 1; + musb->xceiv->otg->state = OTG_STATE_A_IDLE; + } otg_set_host(musb->xceiv->otg, &hcd->self); hcd->self.otg_port = 1; musb->xceiv->otg->host = &hcd->self; diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c index 8b43c4b99f04..7870b37e0ea5 100644 --- a/drivers/usb/musb/tusb6010_omap.c +++ b/drivers/usb/musb/tusb6010_omap.c @@ -219,6 +219,7 @@ static int tusb_omap_dma_program(struct dma_channel *channel, u16 packet_sz, u32 dma_remaining; int src_burst, dst_burst; u16 csr; + u32 psize; int ch; s8 dmareq; s8 sync_dev; @@ -390,15 +391,19 @@ static int tusb_omap_dma_program(struct dma_channel *channel, u16 packet_sz, if (chdat->tx) { /* Send transfer_packet_sz packets at a time */ - musb_writel(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET, - chdat->transfer_packet_sz); + psize = musb_readl(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET); + psize &= ~0x7ff; + psize |= chdat->transfer_packet_sz; + musb_writel(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET, psize); musb_writel(ep_conf, TUSB_EP_TX_OFFSET, TUSB_EP_CONFIG_XFR_SIZE(chdat->transfer_len)); } else { /* Receive transfer_packet_sz packets at a time */ - musb_writel(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET, - chdat->transfer_packet_sz << 16); + psize = musb_readl(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET); + psize &= ~(0x7ff << 16); + psize |= (chdat->transfer_packet_sz << 16); + musb_writel(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET, psize); musb_writel(ep_conf, TUSB_EP_RX_OFFSET, TUSB_EP_CONFIG_XFR_SIZE(chdat->transfer_len)); diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index d38780fa8788..aba74f817dc6 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -809,10 +809,10 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) }, { USB_DEVICE(FTDI_VID, CYBER_CORTEX_AV_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_H_PID, 1) }, { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID), @@ -1527,9 +1527,9 @@ static int set_serial_info(struct tty_struct *tty, (new_serial.flags & ASYNC_FLAGS)); priv->custom_divisor = new_serial.custom_divisor; +check_and_exit: write_latency_timer(port); -check_and_exit: if ((old_priv.flags & ASYNC_SPD_MASK) != (priv->flags & ASYNC_SPD_MASK)) { if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 71fb9e59db71..4fcf1cecb6d7 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -882,6 +882,8 @@ /* Olimex */ #define OLIMEX_VID 0x15BA #define OLIMEX_ARM_USB_OCD_PID 0x0003 +#define OLIMEX_ARM_USB_TINY_PID 0x0004 +#define OLIMEX_ARM_USB_TINY_H_PID 0x002a #define OLIMEX_ARM_USB_OCD_H_PID 0x002b /* diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 87798e625d6c..6cefb9cb133d 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -2336,8 +2336,11 @@ static void change_port_settings(struct tty_struct *tty, if (!baud) { /* pick a default, any default... */ baud = 9600; - } else + } else { + /* Avoid a zero divisor. */ + baud = min(baud, 461550); tty_encode_baud_rate(tty, baud, baud); + } edge_port->baud_rate = baud; config->wBaudRate = (__u16)((461550L + baud/2) / baud); diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index 73956d48a0c5..f9734a96d516 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -197,6 +197,7 @@ static u8 ir_xbof_change(u8 xbof) static int ir_startup(struct usb_serial *serial) { struct usb_irda_cs_descriptor *irda_desc; + int rates; irda_desc = irda_usb_find_class_desc(serial, 0); if (!irda_desc) { @@ -205,18 +206,20 @@ static int ir_startup(struct usb_serial *serial) return -ENODEV; } + rates = le16_to_cpu(irda_desc->wBaudRate); + dev_dbg(&serial->dev->dev, "%s - Baud rates supported:%s%s%s%s%s%s%s%s%s\n", __func__, - (irda_desc->wBaudRate & USB_IRDA_BR_2400) ? " 2400" : "", - (irda_desc->wBaudRate & USB_IRDA_BR_9600) ? " 9600" : "", - (irda_desc->wBaudRate & USB_IRDA_BR_19200) ? " 19200" : "", - (irda_desc->wBaudRate & USB_IRDA_BR_38400) ? " 38400" : "", - (irda_desc->wBaudRate & USB_IRDA_BR_57600) ? " 57600" : "", - (irda_desc->wBaudRate & USB_IRDA_BR_115200) ? " 115200" : "", - (irda_desc->wBaudRate & USB_IRDA_BR_576000) ? " 576000" : "", - (irda_desc->wBaudRate & USB_IRDA_BR_1152000) ? " 1152000" : "", - (irda_desc->wBaudRate & USB_IRDA_BR_4000000) ? " 4000000" : ""); + (rates & USB_IRDA_BR_2400) ? " 2400" : "", + (rates & USB_IRDA_BR_9600) ? " 9600" : "", + (rates & USB_IRDA_BR_19200) ? " 19200" : "", + (rates & USB_IRDA_BR_38400) ? " 38400" : "", + (rates & USB_IRDA_BR_57600) ? " 57600" : "", + (rates & USB_IRDA_BR_115200) ? " 115200" : "", + (rates & USB_IRDA_BR_576000) ? " 576000" : "", + (rates & USB_IRDA_BR_1152000) ? " 1152000" : "", + (rates & USB_IRDA_BR_4000000) ? " 4000000" : ""); switch (irda_desc->bmAdditionalBOFs) { case USB_IRDA_AB_48: diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index edbc81f205c2..70f346f1aa86 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -189,7 +189,7 @@ static int mct_u232_set_baud_rate(struct tty_struct *tty, return -ENOMEM; divisor = mct_u232_calculate_baud_rate(serial, value, &speed); - put_unaligned_le32(cpu_to_le32(divisor), buf); + put_unaligned_le32(divisor, buf); rc = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), MCT_U232_SET_BAUD_RATE_REQUEST, MCT_U232_SET_REQUEST_TYPE, diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index af67a0de6b5d..3bf61acfc26b 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -281,6 +281,7 @@ static void option_instat_callback(struct urb *urb); #define TELIT_PRODUCT_LE922_USBCFG0 0x1042 #define TELIT_PRODUCT_LE922_USBCFG3 0x1043 #define TELIT_PRODUCT_LE922_USBCFG5 0x1045 +#define TELIT_PRODUCT_ME910 0x1100 #define TELIT_PRODUCT_LE920 0x1200 #define TELIT_PRODUCT_LE910 0x1201 #define TELIT_PRODUCT_LE910_USBCFG4 0x1206 @@ -640,6 +641,11 @@ static const struct option_blacklist_info simcom_sim7100e_blacklist = { .reserved = BIT(5) | BIT(6), }; +static const struct option_blacklist_info telit_me910_blacklist = { + .sendsetup = BIT(0), + .reserved = BIT(1) | BIT(3), +}; + static const struct option_blacklist_info telit_le910_blacklist = { .sendsetup = BIT(0), .reserved = BIT(1) | BIT(2), @@ -1235,6 +1241,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg3 }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG5, 0xff), .driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg0 }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910), + .driver_info = (kernel_ulong_t)&telit_me910_blacklist }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910), .driver_info = (kernel_ulong_t)&telit_le910_blacklist }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4), diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 38b3f0d8cd58..fd509ed6cf70 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -162,6 +162,8 @@ static const struct usb_device_id id_table[] = { {DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx */ {DEVICE_SWI(0x1199, 0x9078)}, /* Sierra Wireless EM74xx */ {DEVICE_SWI(0x1199, 0x9079)}, /* Sierra Wireless EM74xx */ + {DEVICE_SWI(0x1199, 0x907a)}, /* Sierra Wireless EM74xx QDL */ + {DEVICE_SWI(0x1199, 0x907b)}, /* Sierra Wireless EM74xx */ {DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ {DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ diff --git a/drivers/usb/storage/ene_ub6250.c b/drivers/usb/storage/ene_ub6250.c index 369f3c24815a..44af719194b2 100644 --- a/drivers/usb/storage/ene_ub6250.c +++ b/drivers/usb/storage/ene_ub6250.c @@ -446,6 +446,10 @@ struct ms_lib_ctrl { #define SD_BLOCK_LEN 9 struct ene_ub6250_info { + + /* I/O bounce buffer */ + u8 *bbuf; + /* for 6250 code */ struct SD_STATUS SD_Status; struct MS_STATUS MS_Status; @@ -493,8 +497,11 @@ static int ene_load_bincode(struct us_data *us, unsigned char flag); static void ene_ub6250_info_destructor(void *extra) { + struct ene_ub6250_info *info = (struct ene_ub6250_info *) extra; + if (!extra) return; + kfree(info->bbuf); } static int ene_send_scsi_cmd(struct us_data *us, u8 fDir, void *buf, int use_sg) @@ -860,8 +867,9 @@ static int ms_read_readpage(struct us_data *us, u32 PhyBlockAddr, u8 PageNum, u32 *PageBuf, struct ms_lib_type_extdat *ExtraDat) { struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; + struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra; + u8 *bbuf = info->bbuf; int result; - u8 ExtBuf[4]; u32 bn = PhyBlockAddr * 0x20 + PageNum; result = ene_load_bincode(us, MS_RW_PATTERN); @@ -901,7 +909,7 @@ static int ms_read_readpage(struct us_data *us, u32 PhyBlockAddr, bcb->CDB[2] = (unsigned char)(PhyBlockAddr>>16); bcb->CDB[6] = 0x01; - result = ene_send_scsi_cmd(us, FDIR_READ, &ExtBuf, 0); + result = ene_send_scsi_cmd(us, FDIR_READ, bbuf, 0); if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; @@ -910,9 +918,9 @@ static int ms_read_readpage(struct us_data *us, u32 PhyBlockAddr, ExtraDat->status0 = 0x10; /* Not yet,fireware support */ ExtraDat->status1 = 0x00; /* Not yet,fireware support */ - ExtraDat->ovrflg = ExtBuf[0]; - ExtraDat->mngflg = ExtBuf[1]; - ExtraDat->logadr = memstick_logaddr(ExtBuf[2], ExtBuf[3]); + ExtraDat->ovrflg = bbuf[0]; + ExtraDat->mngflg = bbuf[1]; + ExtraDat->logadr = memstick_logaddr(bbuf[2], bbuf[3]); return USB_STOR_TRANSPORT_GOOD; } @@ -1332,8 +1340,9 @@ static int ms_lib_read_extra(struct us_data *us, u32 PhyBlock, u8 PageNum, struct ms_lib_type_extdat *ExtraDat) { struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; + struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra; + u8 *bbuf = info->bbuf; int result; - u8 ExtBuf[4]; memset(bcb, 0, sizeof(struct bulk_cb_wrap)); bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN); @@ -1347,7 +1356,7 @@ static int ms_lib_read_extra(struct us_data *us, u32 PhyBlock, bcb->CDB[2] = (unsigned char)(PhyBlock>>16); bcb->CDB[6] = 0x01; - result = ene_send_scsi_cmd(us, FDIR_READ, &ExtBuf, 0); + result = ene_send_scsi_cmd(us, FDIR_READ, bbuf, 0); if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; @@ -1355,9 +1364,9 @@ static int ms_lib_read_extra(struct us_data *us, u32 PhyBlock, ExtraDat->intr = 0x80; /* Not yet, waiting for fireware support */ ExtraDat->status0 = 0x10; /* Not yet, waiting for fireware support */ ExtraDat->status1 = 0x00; /* Not yet, waiting for fireware support */ - ExtraDat->ovrflg = ExtBuf[0]; - ExtraDat->mngflg = ExtBuf[1]; - ExtraDat->logadr = memstick_logaddr(ExtBuf[2], ExtBuf[3]); + ExtraDat->ovrflg = bbuf[0]; + ExtraDat->mngflg = bbuf[1]; + ExtraDat->logadr = memstick_logaddr(bbuf[2], bbuf[3]); return USB_STOR_TRANSPORT_GOOD; } @@ -1556,9 +1565,9 @@ static int ms_lib_scan_logicalblocknumber(struct us_data *us, u16 btBlk1st) u16 PhyBlock, newblk, i; u16 LogStart, LogEnde; struct ms_lib_type_extdat extdat; - u8 buf[0x200]; u32 count = 0, index = 0; struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra; + u8 *bbuf = info->bbuf; for (PhyBlock = 0; PhyBlock < info->MS_Lib.NumberOfPhyBlock;) { ms_lib_phy_to_log_range(PhyBlock, &LogStart, &LogEnde); @@ -1572,14 +1581,16 @@ static int ms_lib_scan_logicalblocknumber(struct us_data *us, u16 btBlk1st) } if (count == PhyBlock) { - ms_lib_read_extrablock(us, PhyBlock, 0, 0x80, &buf); + ms_lib_read_extrablock(us, PhyBlock, 0, 0x80, + bbuf); count += 0x80; } index = (PhyBlock % 0x80) * 4; - extdat.ovrflg = buf[index]; - extdat.mngflg = buf[index+1]; - extdat.logadr = memstick_logaddr(buf[index+2], buf[index+3]); + extdat.ovrflg = bbuf[index]; + extdat.mngflg = bbuf[index+1]; + extdat.logadr = memstick_logaddr(bbuf[index+2], + bbuf[index+3]); if ((extdat.ovrflg & MS_REG_OVR_BKST) != MS_REG_OVR_BKST_OK) { ms_lib_setacquired_errorblock(us, PhyBlock); @@ -2062,9 +2073,9 @@ static int ene_ms_init(struct us_data *us) { struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; int result; - u8 buf[0x200]; u16 MSP_BlockSize, MSP_UserAreaBlocks; struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra; + u8 *bbuf = info->bbuf; printk(KERN_INFO "transport --- ENE_MSInit\n"); @@ -2083,13 +2094,13 @@ static int ene_ms_init(struct us_data *us) bcb->CDB[0] = 0xF1; bcb->CDB[1] = 0x01; - result = ene_send_scsi_cmd(us, FDIR_READ, &buf, 0); + result = ene_send_scsi_cmd(us, FDIR_READ, bbuf, 0); if (result != USB_STOR_XFER_GOOD) { printk(KERN_ERR "Execution MS Init Code Fail !!\n"); return USB_STOR_TRANSPORT_ERROR; } /* the same part to test ENE */ - info->MS_Status = *(struct MS_STATUS *)&buf[0]; + info->MS_Status = *(struct MS_STATUS *) bbuf; if (info->MS_Status.Insert && info->MS_Status.Ready) { printk(KERN_INFO "Insert = %x\n", info->MS_Status.Insert); @@ -2098,15 +2109,15 @@ static int ene_ms_init(struct us_data *us) printk(KERN_INFO "IsMSPHG = %x\n", info->MS_Status.IsMSPHG); printk(KERN_INFO "WtP= %x\n", info->MS_Status.WtP); if (info->MS_Status.IsMSPro) { - MSP_BlockSize = (buf[6] << 8) | buf[7]; - MSP_UserAreaBlocks = (buf[10] << 8) | buf[11]; + MSP_BlockSize = (bbuf[6] << 8) | bbuf[7]; + MSP_UserAreaBlocks = (bbuf[10] << 8) | bbuf[11]; info->MSP_TotalBlock = MSP_BlockSize * MSP_UserAreaBlocks; } else { ms_card_init(us); /* Card is MS (to ms.c)*/ } usb_stor_dbg(us, "MS Init Code OK !!\n"); } else { - usb_stor_dbg(us, "MS Card Not Ready --- %x\n", buf[0]); + usb_stor_dbg(us, "MS Card Not Ready --- %x\n", bbuf[0]); return USB_STOR_TRANSPORT_ERROR; } @@ -2116,9 +2127,9 @@ static int ene_ms_init(struct us_data *us) static int ene_sd_init(struct us_data *us) { int result; - u8 buf[0x200]; struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra; + u8 *bbuf = info->bbuf; usb_stor_dbg(us, "transport --- ENE_SDInit\n"); /* SD Init Part-1 */ @@ -2152,17 +2163,17 @@ static int ene_sd_init(struct us_data *us) bcb->Flags = US_BULK_FLAG_IN; bcb->CDB[0] = 0xF1; - result = ene_send_scsi_cmd(us, FDIR_READ, &buf, 0); + result = ene_send_scsi_cmd(us, FDIR_READ, bbuf, 0); if (result != USB_STOR_XFER_GOOD) { usb_stor_dbg(us, "Execution SD Init Code Fail !!\n"); return USB_STOR_TRANSPORT_ERROR; } - info->SD_Status = *(struct SD_STATUS *)&buf[0]; + info->SD_Status = *(struct SD_STATUS *) bbuf; if (info->SD_Status.Insert && info->SD_Status.Ready) { struct SD_STATUS *s = &info->SD_Status; - ene_get_card_status(us, (unsigned char *)&buf); + ene_get_card_status(us, bbuf); usb_stor_dbg(us, "Insert = %x\n", s->Insert); usb_stor_dbg(us, "Ready = %x\n", s->Ready); usb_stor_dbg(us, "IsMMC = %x\n", s->IsMMC); @@ -2170,7 +2181,7 @@ static int ene_sd_init(struct us_data *us) usb_stor_dbg(us, "HiSpeed = %x\n", s->HiSpeed); usb_stor_dbg(us, "WtP = %x\n", s->WtP); } else { - usb_stor_dbg(us, "SD Card Not Ready --- %x\n", buf[0]); + usb_stor_dbg(us, "SD Card Not Ready --- %x\n", bbuf[0]); return USB_STOR_TRANSPORT_ERROR; } return USB_STOR_TRANSPORT_GOOD; @@ -2180,13 +2191,15 @@ static int ene_sd_init(struct us_data *us) static int ene_init(struct us_data *us) { int result; - u8 misc_reg03 = 0; + u8 misc_reg03; struct ene_ub6250_info *info = (struct ene_ub6250_info *)(us->extra); + u8 *bbuf = info->bbuf; - result = ene_get_card_type(us, REG_CARD_STATUS, &misc_reg03); + result = ene_get_card_type(us, REG_CARD_STATUS, bbuf); if (result != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; + misc_reg03 = bbuf[0]; if (misc_reg03 & 0x01) { if (!info->SD_Status.Ready) { result = ene_sd_init(us); @@ -2303,8 +2316,9 @@ static int ene_ub6250_probe(struct usb_interface *intf, const struct usb_device_id *id) { int result; - u8 misc_reg03 = 0; + u8 misc_reg03; struct us_data *us; + struct ene_ub6250_info *info; result = usb_stor_probe1(&us, intf, id, (id - ene_ub6250_usb_ids) + ene_ub6250_unusual_dev_list, @@ -2313,11 +2327,16 @@ static int ene_ub6250_probe(struct usb_interface *intf, return result; /* FIXME: where should the code alloc extra buf ? */ - if (!us->extra) { - us->extra = kzalloc(sizeof(struct ene_ub6250_info), GFP_KERNEL); - if (!us->extra) - return -ENOMEM; - us->extra_destructor = ene_ub6250_info_destructor; + us->extra = kzalloc(sizeof(struct ene_ub6250_info), GFP_KERNEL); + if (!us->extra) + return -ENOMEM; + us->extra_destructor = ene_ub6250_info_destructor; + + info = (struct ene_ub6250_info *)(us->extra); + info->bbuf = kmalloc(512, GFP_KERNEL); + if (!info->bbuf) { + kfree(us->extra); + return -ENOMEM; } us->transport_name = "ene_ub6250"; @@ -2329,12 +2348,13 @@ static int ene_ub6250_probe(struct usb_interface *intf, return result; /* probe card type */ - result = ene_get_card_type(us, REG_CARD_STATUS, &misc_reg03); + result = ene_get_card_type(us, REG_CARD_STATUS, info->bbuf); if (result != USB_STOR_XFER_GOOD) { usb_stor_disconnect(intf); return USB_STOR_TRANSPORT_ERROR; } + misc_reg03 = info->bbuf[0]; if (!(misc_reg03 & 0x01)) { pr_info("ums_eneub6250: This driver only supports SD/MS cards. " "It does not support SM cards.\n"); diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c index 5d8b2c261940..0585078638db 100644 --- a/drivers/usb/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c @@ -235,14 +235,19 @@ done: static inline void hub_descriptor(struct usb_hub_descriptor *desc) { + int width; + memset(desc, 0, sizeof(*desc)); desc->bDescriptorType = USB_DT_HUB; - desc->bDescLength = 9; desc->wHubCharacteristics = cpu_to_le16( HUB_CHAR_INDV_PORT_LPSM | HUB_CHAR_COMMON_OCPM); + desc->bNbrPorts = VHCI_HC_PORTS; - desc->u.hs.DeviceRemovable[0] = 0xff; - desc->u.hs.DeviceRemovable[1] = 0xff; + BUILD_BUG_ON(VHCI_HC_PORTS > USB_MAXCHILDREN); + width = desc->bNbrPorts / 8 + 1; + desc->bDescLength = USB_DT_HUB_NONVAR_SIZE + 2 * width; + memset(&desc->u.hs.DeviceRemovable[0], 0, width); + memset(&desc->u.hs.DeviceRemovable[width], 0xff, width); } static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, diff --git a/drivers/uwb/i1480/dfu/usb.c b/drivers/uwb/i1480/dfu/usb.c index 6345e85822a4..a50cf45e530f 100644 --- a/drivers/uwb/i1480/dfu/usb.c +++ b/drivers/uwb/i1480/dfu/usb.c @@ -341,6 +341,7 @@ error_submit_ep1: static int i1480_usb_probe(struct usb_interface *iface, const struct usb_device_id *id) { + struct usb_device *udev = interface_to_usbdev(iface); struct i1480_usb *i1480_usb; struct i1480 *i1480; struct device *dev = &iface->dev; @@ -352,8 +353,8 @@ int i1480_usb_probe(struct usb_interface *iface, const struct usb_device_id *id) iface->cur_altsetting->desc.bInterfaceNumber); goto error; } - if (iface->num_altsetting > 1 - && interface_to_usbdev(iface)->descriptor.idProduct == 0xbabe) { + if (iface->num_altsetting > 1 && + le16_to_cpu(udev->descriptor.idProduct) == 0xbabe) { /* Need altsetting #1 [HW QUIRK] or EP1 won't work */ result = usb_set_interface(interface_to_usbdev(iface), 0, 1); if (result < 0) diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 52a70ee6014f..8b9049dac094 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -452,7 +452,7 @@ config DAVINCI_WATCHDOG config ORION_WATCHDOG tristate "Orion watchdog" - depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || COMPILE_TEST + depends on ARCH_ORION5X || ARCH_DOVE || MACH_DOVE || ARCH_MVEBU || (COMPILE_TEST && !ARCH_EBSA110) depends on ARM select WATCHDOG_CORE help diff --git a/drivers/watchdog/bcm_kona_wdt.c b/drivers/watchdog/bcm_kona_wdt.c index 6fce17d5b9f1..a5775dfd8d5f 100644 --- a/drivers/watchdog/bcm_kona_wdt.c +++ b/drivers/watchdog/bcm_kona_wdt.c @@ -304,6 +304,8 @@ static int bcm_kona_wdt_probe(struct platform_device *pdev) if (!wdt) return -ENOMEM; + spin_lock_init(&wdt->lock); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); wdt->base = devm_ioremap_resource(dev, res); if (IS_ERR(wdt->base)) @@ -316,7 +318,6 @@ static int bcm_kona_wdt_probe(struct platform_device *pdev) return ret; } - spin_lock_init(&wdt->lock); platform_set_drvdata(pdev, wdt); watchdog_set_drvdata(&bcm_kona_wdt_wdd, wdt); bcm_kona_wdt_wdd.parent = &pdev->dev; diff --git a/drivers/watchdog/cadence_wdt.c b/drivers/watchdog/cadence_wdt.c index 8d61e8bfe60b..86e0b5d2e761 100644 --- a/drivers/watchdog/cadence_wdt.c +++ b/drivers/watchdog/cadence_wdt.c @@ -49,7 +49,7 @@ /* Counter maximum value */ #define CDNS_WDT_COUNTER_MAX 0xFFF -static int wdt_timeout = CDNS_WDT_DEFAULT_TIMEOUT; +static int wdt_timeout; static int nowayout = WATCHDOG_NOWAYOUT; module_param(wdt_timeout, int, 0); diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c index 347f0389b089..c4f65873bfa4 100644 --- a/drivers/watchdog/iTCO_wdt.c +++ b/drivers/watchdog/iTCO_wdt.c @@ -306,16 +306,15 @@ static int iTCO_wdt_ping(struct watchdog_device *wd_dev) iTCO_vendor_pre_keepalive(p->smi_res, wd_dev->timeout); + /* Reset the timeout status bit so that the timer + * needs to count down twice again before rebooting */ + outw(0x0008, TCO1_STS(p)); /* write 1 to clear bit */ + /* Reload the timer by writing to the TCO Timer Counter register */ - if (p->iTCO_version >= 2) { + if (p->iTCO_version >= 2) outw(0x01, TCO_RLD(p)); - } else if (p->iTCO_version == 1) { - /* Reset the timeout status bit so that the timer - * needs to count down twice again before rebooting */ - outw(0x0008, TCO1_STS(p)); /* write 1 to clear bit */ - + else if (p->iTCO_version == 1) outb(0x01, TCO_RLD(p)); - } spin_unlock(&p->io_lock); return 0; @@ -328,11 +327,8 @@ static int iTCO_wdt_set_timeout(struct watchdog_device *wd_dev, unsigned int t) unsigned char val8; unsigned int tmrval; - tmrval = seconds_to_ticks(p, t); - - /* For TCO v1 the timer counts down twice before rebooting */ - if (p->iTCO_version == 1) - tmrval /= 2; + /* The timer counts down twice before rebooting */ + tmrval = seconds_to_ticks(p, t) / 2; /* from the specs: */ /* "Values of 0h-3h are ignored and should not be attempted" */ @@ -385,6 +381,8 @@ static unsigned int iTCO_wdt_get_timeleft(struct watchdog_device *wd_dev) spin_lock(&p->io_lock); val16 = inw(TCO_RLD(p)); val16 &= 0x3ff; + if (!(inw(TCO1_STS(p)) & 0x0008)) + val16 += (inw(TCOv2_TMR(p)) & 0x3ff); spin_unlock(&p->io_lock); time_left = ticks_to_seconds(p, val16); diff --git a/drivers/watchdog/pcwd_usb.c b/drivers/watchdog/pcwd_usb.c index 99ebf6ea3de6..5615f4013924 100644 --- a/drivers/watchdog/pcwd_usb.c +++ b/drivers/watchdog/pcwd_usb.c @@ -630,6 +630,9 @@ static int usb_pcwd_probe(struct usb_interface *interface, return -ENODEV; } + if (iface_desc->desc.bNumEndpoints < 1) + return -ENODEV; + /* check out the endpoint: it has to be Interrupt & IN */ endpoint = &iface_desc->endpoint[0].desc; diff --git a/drivers/watchdog/sama5d4_wdt.c b/drivers/watchdog/sama5d4_wdt.c index f709962018ac..362fd229786d 100644 --- a/drivers/watchdog/sama5d4_wdt.c +++ b/drivers/watchdog/sama5d4_wdt.c @@ -6,6 +6,7 @@ * Licensed under GPLv2. */ +#include <linux/delay.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/kernel.h> @@ -29,6 +30,7 @@ struct sama5d4_wdt { struct watchdog_device wdd; void __iomem *reg_base; u32 mr; + unsigned long last_ping; }; static int wdt_timeout = WDT_DEFAULT_TIMEOUT; @@ -44,11 +46,34 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); +#define wdt_enabled (!(wdt->mr & AT91_WDT_WDDIS)) + #define wdt_read(wdt, field) \ readl_relaxed((wdt)->reg_base + (field)) -#define wdt_write(wtd, field, val) \ - writel_relaxed((val), (wdt)->reg_base + (field)) +/* 4 slow clock periods is 4/32768 = 122.07µs*/ +#define WDT_DELAY usecs_to_jiffies(123) + +static void wdt_write(struct sama5d4_wdt *wdt, u32 field, u32 val) +{ + /* + * WDT_CR and WDT_MR must not be modified within three slow clock + * periods following a restart of the watchdog performed by a write + * access in WDT_CR. + */ + while (time_before(jiffies, wdt->last_ping + WDT_DELAY)) + usleep_range(30, 125); + writel_relaxed(val, wdt->reg_base + field); + wdt->last_ping = jiffies; +} + +static void wdt_write_nosleep(struct sama5d4_wdt *wdt, u32 field, u32 val) +{ + if (time_before(jiffies, wdt->last_ping + WDT_DELAY)) + udelay(123); + writel_relaxed(val, wdt->reg_base + field); + wdt->last_ping = jiffies; +} static int sama5d4_wdt_start(struct watchdog_device *wdd) { @@ -89,7 +114,16 @@ static int sama5d4_wdt_set_timeout(struct watchdog_device *wdd, wdt->mr &= ~AT91_WDT_WDD; wdt->mr |= AT91_WDT_SET_WDV(value); wdt->mr |= AT91_WDT_SET_WDD(value); - wdt_write(wdt, AT91_WDT_MR, wdt->mr); + + /* + * WDDIS has to be 0 when updating WDD/WDV. The datasheet states: When + * setting the WDDIS bit, and while it is set, the fields WDV and WDD + * must not be modified. + * If the watchdog is enabled, then the timeout can be updated. Else, + * wait that the user enables it. + */ + if (wdt_enabled) + wdt_write(wdt, AT91_WDT_MR, wdt->mr & ~AT91_WDT_WDDIS); wdd->timeout = timeout; @@ -145,23 +179,21 @@ static int of_sama5d4_wdt_init(struct device_node *np, struct sama5d4_wdt *wdt) static int sama5d4_wdt_init(struct sama5d4_wdt *wdt) { - struct watchdog_device *wdd = &wdt->wdd; - u32 value = WDT_SEC2TICKS(wdd->timeout); u32 reg; - /* - * Because the fields WDV and WDD must not be modified when the WDDIS - * bit is set, so clear the WDDIS bit before writing the WDT_MR. + * When booting and resuming, the bootloader may have changed the + * watchdog configuration. + * If the watchdog is already running, we can safely update it. + * Else, we have to disable it properly. */ - reg = wdt_read(wdt, AT91_WDT_MR); - reg &= ~AT91_WDT_WDDIS; - wdt_write(wdt, AT91_WDT_MR, reg); - - wdt->mr |= AT91_WDT_SET_WDD(value); - wdt->mr |= AT91_WDT_SET_WDV(value); - - wdt_write(wdt, AT91_WDT_MR, wdt->mr); - + if (wdt_enabled) { + wdt_write_nosleep(wdt, AT91_WDT_MR, wdt->mr); + } else { + reg = wdt_read(wdt, AT91_WDT_MR); + if (!(reg & AT91_WDT_WDDIS)) + wdt_write_nosleep(wdt, AT91_WDT_MR, + reg | AT91_WDT_WDDIS); + } return 0; } @@ -172,6 +204,7 @@ static int sama5d4_wdt_probe(struct platform_device *pdev) struct resource *res; void __iomem *regs; u32 irq = 0; + u32 timeout; int ret; wdt = devm_kzalloc(&pdev->dev, sizeof(*wdt), GFP_KERNEL); @@ -184,6 +217,7 @@ static int sama5d4_wdt_probe(struct platform_device *pdev) wdd->ops = &sama5d4_wdt_ops; wdd->min_timeout = MIN_WDT_TIMEOUT; wdd->max_timeout = MAX_WDT_TIMEOUT; + wdt->last_ping = jiffies; watchdog_set_drvdata(wdd, wdt); @@ -221,6 +255,11 @@ static int sama5d4_wdt_probe(struct platform_device *pdev) return ret; } + timeout = WDT_SEC2TICKS(wdd->timeout); + + wdt->mr |= AT91_WDT_SET_WDD(timeout); + wdt->mr |= AT91_WDT_SET_WDV(timeout); + ret = sama5d4_wdt_init(wdt); if (ret) return ret; @@ -263,9 +302,7 @@ static int sama5d4_wdt_resume(struct device *dev) { struct sama5d4_wdt *wdt = dev_get_drvdata(dev); - wdt_write(wdt, AT91_WDT_MR, wdt->mr & ~AT91_WDT_WDDIS); - if (wdt->mr & AT91_WDT_WDDIS) - wdt_write(wdt, AT91_WDT_MR, wdt->mr); + sama5d4_wdt_init(wdt); return 0; } diff --git a/drivers/watchdog/wdt_pci.c b/drivers/watchdog/wdt_pci.c index 48b2c058b009..bc7addc2dc06 100644 --- a/drivers/watchdog/wdt_pci.c +++ b/drivers/watchdog/wdt_pci.c @@ -332,7 +332,7 @@ static irqreturn_t wdtpci_interrupt(int irq, void *dev_id) pr_crit("Would Reboot\n"); #else pr_crit("Initiating system reboot\n"); - emergency_restart(NULL); + emergency_restart(); #endif #else pr_crit("Reset in 5ms\n"); diff --git a/drivers/watchdog/zx2967_wdt.c b/drivers/watchdog/zx2967_wdt.c index e290d5a13a6d..c98252733c30 100644 --- a/drivers/watchdog/zx2967_wdt.c +++ b/drivers/watchdog/zx2967_wdt.c @@ -211,10 +211,8 @@ static int zx2967_wdt_probe(struct platform_device *pdev) base = platform_get_resource(pdev, IORESOURCE_MEM, 0); wdt->reg_base = devm_ioremap_resource(dev, base); - if (IS_ERR(wdt->reg_base)) { - dev_err(dev, "ioremap failed\n"); + if (IS_ERR(wdt->reg_base)) return PTR_ERR(wdt->reg_base); - } zx2967_wdt_reset_sysctrl(dev); diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 26d77f9f8c12..2dcbd5698884 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -817,7 +817,7 @@ static int ext2_iomap_begin(struct inode *inode, loff_t offset, loff_t length, iomap->bdev = bdev; iomap->offset = (u64)first_block << blkbits; if (blk_queue_dax(bdev->bd_queue)) - iomap->dax_dev = dax_get_by_host(bdev->bd_disk->disk_name); + iomap->dax_dev = fs_dax_get_by_host(bdev->bd_disk->disk_name); else iomap->dax_dev = NULL; @@ -841,7 +841,7 @@ static int ext2_iomap_end(struct inode *inode, loff_t offset, loff_t length, ssize_t written, unsigned flags, struct iomap *iomap) { - put_dax(iomap->dax_dev); + fs_put_dax(iomap->dax_dev); if (iomap->type == IOMAP_MAPPED && written < length && (flags & IOMAP_WRITE)) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 5834c4d76be8..1bd0bfa547f6 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3412,7 +3412,7 @@ retry: bdev = inode->i_sb->s_bdev; iomap->bdev = bdev; if (blk_queue_dax(bdev->bd_queue)) - iomap->dax_dev = dax_get_by_host(bdev->bd_disk->disk_name); + iomap->dax_dev = fs_dax_get_by_host(bdev->bd_disk->disk_name); else iomap->dax_dev = NULL; iomap->offset = first_block << blkbits; @@ -3447,7 +3447,7 @@ static int ext4_iomap_end(struct inode *inode, loff_t offset, loff_t length, int blkbits = inode->i_blkbits; bool truncate = false; - put_dax(iomap->dax_dev); + fs_put_dax(iomap->dax_dev); if (!(flags & IOMAP_WRITE) || (flags & IOMAP_FAULT)) return 0; diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 5a1b58f8fef4..65c88379a3a1 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -975,8 +975,15 @@ static int fuse_bdi_init(struct fuse_conn *fc, struct super_block *sb) int err; char *suffix = ""; - if (sb->s_bdev) + if (sb->s_bdev) { suffix = "-fuseblk"; + /* + * sb->s_bdi points to blkdev's bdi however we want to redirect + * it to our private bdi... + */ + bdi_put(sb->s_bdi); + sb->s_bdi = &noop_backing_dev_info; + } err = super_setup_bdi_name(sb, "%u:%u%s", MAJOR(fc->dev), MINOR(fc->dev), suffix); if (err) diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index a63f61c256bd..94e5bdf7304c 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -1068,7 +1068,7 @@ xfs_file_iomap_begin( /* optionally associate a dax device with the iomap bdev */ bdev = iomap->bdev; if (blk_queue_dax(bdev->bd_queue)) - iomap->dax_dev = dax_get_by_host(bdev->bd_disk->disk_name); + iomap->dax_dev = fs_dax_get_by_host(bdev->bd_disk->disk_name); else iomap->dax_dev = NULL; @@ -1149,7 +1149,7 @@ xfs_file_iomap_end( unsigned flags, struct iomap *iomap) { - put_dax(iomap->dax_dev); + fs_put_dax(iomap->dax_dev); if ((flags & IOMAP_WRITE) && iomap->type == IOMAP_DELALLOC) return xfs_file_iomap_end_delalloc(XFS_I(inode), offset, length, written, iomap); diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index 97b8d3728b31..ef718586321c 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -195,7 +195,10 @@ struct vgic_dist { /* either a GICv2 CPU interface */ gpa_t vgic_cpu_base; /* or a number of GICv3 redistributor regions */ - gpa_t vgic_redist_base; + struct { + gpa_t vgic_redist_base; + gpa_t vgic_redist_free_offset; + }; }; /* distributor enabled */ diff --git a/include/linux/dax.h b/include/linux/dax.h index 00ebac854bb7..5ec1f6c47716 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -18,6 +18,20 @@ struct dax_operations { void **, pfn_t *); }; +#if IS_ENABLED(CONFIG_DAX) +struct dax_device *dax_get_by_host(const char *host); +void put_dax(struct dax_device *dax_dev); +#else +static inline struct dax_device *dax_get_by_host(const char *host) +{ + return NULL; +} + +static inline void put_dax(struct dax_device *dax_dev) +{ +} +#endif + int bdev_dax_pgoff(struct block_device *, sector_t, size_t, pgoff_t *pgoff); #if IS_ENABLED(CONFIG_FS_DAX) int __bdev_dax_supported(struct super_block *sb, int blocksize); @@ -25,23 +39,29 @@ static inline int bdev_dax_supported(struct super_block *sb, int blocksize) { return __bdev_dax_supported(sb, blocksize); } + +static inline struct dax_device *fs_dax_get_by_host(const char *host) +{ + return dax_get_by_host(host); +} + +static inline void fs_put_dax(struct dax_device *dax_dev) +{ + put_dax(dax_dev); +} + #else static inline int bdev_dax_supported(struct super_block *sb, int blocksize) { return -EOPNOTSUPP; } -#endif -#if IS_ENABLED(CONFIG_DAX) -struct dax_device *dax_get_by_host(const char *host); -void put_dax(struct dax_device *dax_dev); -#else -static inline struct dax_device *dax_get_by_host(const char *host) +static inline struct dax_device *fs_dax_get_by_host(const char *host) { return NULL; } -static inline void put_dax(struct dax_device *dax_dev) +static inline void fs_put_dax(struct dax_device *dax_dev) { } #endif diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 30f90c1a0aaf..541df0b5b815 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -349,6 +349,9 @@ extern int proc_kprobes_optimization_handler(struct ctl_table *table, int write, void __user *buffer, size_t *length, loff_t *ppos); #endif +extern void wait_for_kprobe_optimizer(void); +#else +static inline void wait_for_kprobe_optimizer(void) { } #endif /* CONFIG_OPTPROBES */ #ifdef CONFIG_KPROBES_ON_FTRACE extern void kprobe_ftrace_handler(unsigned long ip, unsigned long parent_ip, diff --git a/include/linux/nvme-fc-driver.h b/include/linux/nvme-fc-driver.h index 0db37158a61d..6c8c5d8041b7 100644 --- a/include/linux/nvme-fc-driver.h +++ b/include/linux/nvme-fc-driver.h @@ -27,8 +27,8 @@ /* FC Port role bitmask - can merge with FC Port Roles in fc transport */ #define FC_PORT_ROLE_NVME_INITIATOR 0x10 -#define FC_PORT_ROLE_NVME_TARGET 0x11 -#define FC_PORT_ROLE_NVME_DISCOVERY 0x12 +#define FC_PORT_ROLE_NVME_TARGET 0x20 +#define FC_PORT_ROLE_NVME_DISCOVERY 0x40 /** @@ -642,15 +642,7 @@ enum { * sequence in one LLDD operation. Errors during Data * sequence transmit must not allow RSP sequence to be sent. */ - NVMET_FCTGTFEAT_NEEDS_CMD_CPUSCHED = (1 << 1), - /* Bit 1: When 0, the LLDD will deliver FCP CMD - * on the CPU it should be affinitized to. Thus work will - * be scheduled on the cpu received on. When 1, the LLDD - * may not deliver the CMD on the CPU it should be worked - * on. The transport should pick a cpu to schedule the work - * on. - */ - NVMET_FCTGTFEAT_CMD_IN_ISR = (1 << 2), + NVMET_FCTGTFEAT_CMD_IN_ISR = (1 << 1), /* Bit 2: When 0, the LLDD is calling the cmd rcv handler * in a non-isr context, allowing the transport to finish * op completion in the calling context. When 1, the LLDD @@ -658,7 +650,7 @@ enum { * requiring the transport to transition to a workqueue * for op completion. */ - NVMET_FCTGTFEAT_OPDONE_IN_ISR = (1 << 3), + NVMET_FCTGTFEAT_OPDONE_IN_ISR = (1 << 2), /* Bit 3: When 0, the LLDD is calling the op done handler * in a non-isr context, allowing the transport to finish * op completion in the calling context. When 1, the LLDD diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h index ec6b11deb773..1e0deb8e8494 100644 --- a/include/linux/of_irq.h +++ b/include/linux/of_irq.h @@ -8,7 +8,7 @@ #include <linux/ioport.h> #include <linux/of.h> -typedef int const (*of_irq_init_cb_t)(struct device_node *, struct device_node *); +typedef int (*of_irq_init_cb_t)(struct device_node *, struct device_node *); /* * Workarounds only applied to 32bit powermac machines diff --git a/include/linux/soc/renesas/rcar-rst.h b/include/linux/soc/renesas/rcar-rst.h index a18e0783946b..787e7ad53d45 100644 --- a/include/linux/soc/renesas/rcar-rst.h +++ b/include/linux/soc/renesas/rcar-rst.h @@ -1,6 +1,11 @@ #ifndef __LINUX_SOC_RENESAS_RCAR_RST_H__ #define __LINUX_SOC_RENESAS_RCAR_RST_H__ +#if defined(CONFIG_ARCH_RCAR_GEN1) || defined(CONFIG_ARCH_RCAR_GEN2) || \ + defined(CONFIG_ARCH_R8A7795) || defined(CONFIG_ARCH_R8A7796) int rcar_rst_read_mode_pins(u32 *mode); +#else +static inline int rcar_rst_read_mode_pins(u32 *mode) { return -ENODEV; } +#endif #endif /* __LINUX_SOC_RENESAS_RCAR_RST_H__ */ diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index a469999a106d..50398b69ca44 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -148,6 +148,7 @@ struct usb_hcd { unsigned rh_registered:1;/* is root hub registered? */ unsigned rh_pollable:1; /* may we poll the root hub? */ unsigned msix_enabled:1; /* driver has MSI-X enabled? */ + unsigned msi_enabled:1; /* driver has MSI enabled? */ unsigned remove_phy:1; /* auto-remove USB phy */ /* The next flag is a stopgap, to be removed when all the HCDs diff --git a/include/uapi/linux/usb/ch11.h b/include/uapi/linux/usb/ch11.h index 361297e96f58..576c704e3fb8 100644 --- a/include/uapi/linux/usb/ch11.h +++ b/include/uapi/linux/usb/ch11.h @@ -22,6 +22,9 @@ */ #define USB_MAXCHILDREN 31 +/* See USB 3.1 spec Table 10-5 */ +#define USB_SS_MAXPORTS 15 + /* * Hub request types */ diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 686be4b73018..c94da688ee9b 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -880,8 +880,8 @@ irq_set_chained_handler_and_data(unsigned int irq, irq_flow_handler_t handle, if (!desc) return; - __irq_do_set_handler(desc, handle, 1, NULL); desc->irq_common_data.handler_data = data; + __irq_do_set_handler(desc, handle, 1, NULL); irq_put_desc_busunlock(desc, flags); } diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 7367e0ec6f81..2d2d3a568e4e 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -595,7 +595,7 @@ static void kprobe_optimizer(struct work_struct *work) } /* Wait for completing optimization and unoptimization */ -static void wait_for_kprobe_optimizer(void) +void wait_for_kprobe_optimizer(void) { mutex_lock(&kprobe_mutex); @@ -2183,6 +2183,12 @@ static int kprobes_module_callback(struct notifier_block *nb, * The vaddr this probe is installed will soon * be vfreed buy not synced to disk. Hence, * disarming the breakpoint isn't needed. + * + * Note, this will also move any optimized probes + * that are pending to be removed from their + * corresponding lists to the freeing_list and + * will not be touched by the delayed + * kprobe_optimizer work handler. */ kill_kprobe(p); } diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 759f4bd52cd6..803c3bc274c4 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3502,6 +3502,31 @@ asmlinkage __visible void __sched schedule(void) } EXPORT_SYMBOL(schedule); +/* + * synchronize_rcu_tasks() makes sure that no task is stuck in preempted + * state (have scheduled out non-voluntarily) by making sure that all + * tasks have either left the run queue or have gone into user space. + * As idle tasks do not do either, they must not ever be preempted + * (schedule out non-voluntarily). + * + * schedule_idle() is similar to schedule_preempt_disable() except that it + * never enables preemption because it does not call sched_submit_work(). + */ +void __sched schedule_idle(void) +{ + /* + * As this skips calling sched_submit_work(), which the idle task does + * regardless because that function is a nop when the task is in a + * TASK_RUNNING state, make sure this isn't used someplace that the + * current task can be in any other state. Note, idle is always in the + * TASK_RUNNING state. + */ + WARN_ON_ONCE(current->state); + do { + __schedule(false); + } while (need_resched()); +} + #ifdef CONFIG_CONTEXT_TRACKING asmlinkage __visible void __sched schedule_user(void) { diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c index 2a25a9ec2c6e..ef63adce0c9c 100644 --- a/kernel/sched/idle.c +++ b/kernel/sched/idle.c @@ -265,7 +265,7 @@ static void do_idle(void) smp_mb__after_atomic(); sched_ttwu_pending(); - schedule_preempt_disabled(); + schedule_idle(); if (unlikely(klp_patch_pending(current))) klp_update_patch_state(current); diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 7808ab050599..6dda2aab731e 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1467,6 +1467,8 @@ static inline struct cpuidle_state *idle_get_state(struct rq *rq) } #endif +extern void schedule_idle(void); + extern void sysrq_sched_debug_show(void); extern void sched_init_granularity(void); extern void update_max_interval(void); diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index bd8ae8d5ae9c..193c5f5e3f79 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -1662,14 +1662,14 @@ static ssize_t sysfs_blk_trace_attr_store(struct device *dev, goto out; if (attr == &dev_attr_act_mask) { - if (sscanf(buf, "%llx", &value) != 1) { + if (kstrtoull(buf, 0, &value)) { /* Assume it is a list of trace category names */ ret = blk_trace_str2mask(buf); if (ret < 0) goto out; value = ret; } - } else if (sscanf(buf, "%llu", &value) != 1) + } else if (kstrtoull(buf, 0, &value)) goto out; ret = -ENXIO; diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 39dca4e86a94..74fdfe9ed3db 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -4144,9 +4144,9 @@ unregister_ftrace_function_probe_func(char *glob, struct trace_array *tr, int i, ret = -ENODEV; int size; - if (glob && (strcmp(glob, "*") == 0 || !strlen(glob))) + if (!glob || !strlen(glob) || !strcmp(glob, "*")) func_g.search = NULL; - else if (glob) { + else { int not; func_g.type = filter_parse_regex(glob, strlen(glob), @@ -4256,6 +4256,14 @@ unregister_ftrace_function_probe_func(char *glob, struct trace_array *tr, return ret; } +void clear_ftrace_function_probes(struct trace_array *tr) +{ + struct ftrace_func_probe *probe, *n; + + list_for_each_entry_safe(probe, n, &tr->func_probes, list) + unregister_ftrace_function_probe_func(NULL, tr, probe->probe_ops); +} + static LIST_HEAD(ftrace_commands); static DEFINE_MUTEX(ftrace_cmd_mutex); diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index c4536c449021..1122f151466f 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1558,7 +1558,7 @@ static __init int init_trace_selftests(void) return 0; } -early_initcall(init_trace_selftests); +core_initcall(init_trace_selftests); #else static inline int run_tracer_selftest(struct tracer *type) { @@ -2568,7 +2568,36 @@ static inline void ftrace_trace_stack(struct trace_array *tr, void __trace_stack(struct trace_array *tr, unsigned long flags, int skip, int pc) { - __ftrace_trace_stack(tr->trace_buffer.buffer, flags, skip, pc, NULL); + struct ring_buffer *buffer = tr->trace_buffer.buffer; + + if (rcu_is_watching()) { + __ftrace_trace_stack(buffer, flags, skip, pc, NULL); + return; + } + + /* + * When an NMI triggers, RCU is enabled via rcu_nmi_enter(), + * but if the above rcu_is_watching() failed, then the NMI + * triggered someplace critical, and rcu_irq_enter() should + * not be called from NMI. + */ + if (unlikely(in_nmi())) + return; + + /* + * It is possible that a function is being traced in a + * location that RCU is not watching. A call to + * rcu_irq_enter() will make sure that it is, but there's + * a few internal rcu functions that could be traced + * where that wont work either. In those cases, we just + * do nothing. + */ + if (unlikely(rcu_irq_enter_disabled())) + return; + + rcu_irq_enter_irqson(); + __ftrace_trace_stack(buffer, flags, skip, pc, NULL); + rcu_irq_exit_irqson(); } /** @@ -7550,6 +7579,7 @@ static int instance_rmdir(const char *name) } tracing_set_nop(tr); + clear_ftrace_function_probes(tr); event_trace_del_tracer(tr); ftrace_clear_pids(tr); ftrace_destroy_function_files(tr); diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 291a1bca5748..39fd77330aab 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -980,6 +980,7 @@ register_ftrace_function_probe(char *glob, struct trace_array *tr, extern int unregister_ftrace_function_probe_func(char *glob, struct trace_array *tr, struct ftrace_probe_ops *ops); +extern void clear_ftrace_function_probes(struct trace_array *tr); int register_ftrace_command(struct ftrace_func_command *cmd); int unregister_ftrace_command(struct ftrace_func_command *cmd); @@ -998,6 +999,10 @@ static inline __init int unregister_ftrace_command(char *cmd_name) { return -EINVAL; } +static inline void clear_ftrace_function_probes(struct trace_array *tr) +{ +} + /* * The ops parameter passed in is usually undefined. * This must be a macro. diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 8485f6738a87..c129fca6ec99 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -1535,6 +1535,11 @@ static __init int kprobe_trace_self_tests_init(void) end: release_all_trace_kprobes(); + /* + * Wait for the optimizer work to finish. Otherwise it might fiddle + * with probes in already freed __init text. + */ + wait_for_kprobe_optimizer(); if (warn) pr_cont("NG: Some tests are failed. Please check them.\n"); else diff --git a/net/9p/trans_xen.c b/net/9p/trans_xen.c index 71e85643b3f9..6ad3e043c617 100644 --- a/net/9p/trans_xen.c +++ b/net/9p/trans_xen.c @@ -454,8 +454,8 @@ static int xen_9pfs_front_probe(struct xenbus_device *dev, goto error_xenbus; } priv->tag = xenbus_read(xbt, dev->nodename, "tag", NULL); - if (!priv->tag) { - ret = -EINVAL; + if (IS_ERR(priv->tag)) { + ret = PTR_ERR(priv->tag); goto error_xenbus; } ret = xenbus_transaction_end(xbt, 0); @@ -525,7 +525,7 @@ static struct xenbus_driver xen_9pfs_front_driver = { .otherend_changed = xen_9pfs_front_changed, }; -int p9_trans_xen_init(void) +static int p9_trans_xen_init(void) { if (!xen_domain()) return -ENODEV; @@ -537,7 +537,7 @@ int p9_trans_xen_init(void) } module_init(p9_trans_xen_init); -void p9_trans_xen_exit(void) +static void p9_trans_xen_exit(void) { v9fs_unregister_trans(&p9_xen_trans); return xenbus_unregister_driver(&xen_9pfs_front_driver); diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 6dc1eda13b8e..58c05e5d9870 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -175,7 +175,7 @@ ld_flags = $(LDFLAGS) $(ldflags-y) dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ -I$(srctree)/arch/$(SRCARCH)/boot/dts \ - -I$(srctree)/arch/$(SRCARCH)/boot/dts/include \ + -I$(srctree)/scripts/dtc/include-prefixes \ -I$(srctree)/drivers/of/testcase-data \ -undef -D__DTS__ diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c index 5adfc8f52b4f..4b72b530c84f 100644 --- a/scripts/dtc/checks.c +++ b/scripts/dtc/checks.c @@ -873,7 +873,7 @@ static void check_simple_bus_reg(struct check *c, struct dt_info *dti, struct no while (size--) reg = (reg << 32) | fdt32_to_cpu(*(cells++)); - snprintf(unit_addr, sizeof(unit_addr), "%lx", reg); + snprintf(unit_addr, sizeof(unit_addr), "%zx", reg); if (!streq(unitname, unit_addr)) FAIL(c, dti, "Node %s simple-bus unit address format error, expected \"%s\"", node->fullpath, unit_addr); diff --git a/scripts/dtc/include-prefixes/arc b/scripts/dtc/include-prefixes/arc new file mode 120000 index 000000000000..5d21b5a69a11 --- /dev/null +++ b/scripts/dtc/include-prefixes/arc @@ -0,0 +1 @@ +../../../arch/arc/boot/dts
\ No newline at end of file diff --git a/scripts/dtc/include-prefixes/arm b/scripts/dtc/include-prefixes/arm new file mode 120000 index 000000000000..eb14d4515a57 --- /dev/null +++ b/scripts/dtc/include-prefixes/arm @@ -0,0 +1 @@ +../../../arch/arm/boot/dts
\ No newline at end of file diff --git a/scripts/dtc/include-prefixes/arm64 b/scripts/dtc/include-prefixes/arm64 new file mode 120000 index 000000000000..275c42c21d71 --- /dev/null +++ b/scripts/dtc/include-prefixes/arm64 @@ -0,0 +1 @@ +../../../arch/arm64/boot/dts
\ No newline at end of file diff --git a/scripts/dtc/include-prefixes/c6x b/scripts/dtc/include-prefixes/c6x new file mode 120000 index 000000000000..49ded4cae2be --- /dev/null +++ b/scripts/dtc/include-prefixes/c6x @@ -0,0 +1 @@ +../../../arch/c6x/boot/dts
\ No newline at end of file diff --git a/scripts/dtc/include-prefixes/cris b/scripts/dtc/include-prefixes/cris new file mode 120000 index 000000000000..736d998ba506 --- /dev/null +++ b/scripts/dtc/include-prefixes/cris @@ -0,0 +1 @@ +../../../arch/cris/boot/dts
\ No newline at end of file diff --git a/scripts/dtc/include-prefixes/dt-bindings b/scripts/dtc/include-prefixes/dt-bindings new file mode 120000 index 000000000000..04fdbb3af016 --- /dev/null +++ b/scripts/dtc/include-prefixes/dt-bindings @@ -0,0 +1 @@ +../../../include/dt-bindings
\ No newline at end of file diff --git a/scripts/dtc/include-prefixes/h8300 b/scripts/dtc/include-prefixes/h8300 new file mode 120000 index 000000000000..3bdaa332c54c --- /dev/null +++ b/scripts/dtc/include-prefixes/h8300 @@ -0,0 +1 @@ +../../../arch/h8300/boot/dts
\ No newline at end of file diff --git a/scripts/dtc/include-prefixes/metag b/scripts/dtc/include-prefixes/metag new file mode 120000 index 000000000000..87a3c847db8f --- /dev/null +++ b/scripts/dtc/include-prefixes/metag @@ -0,0 +1 @@ +../../../arch/metag/boot/dts
\ No newline at end of file diff --git a/scripts/dtc/include-prefixes/microblaze b/scripts/dtc/include-prefixes/microblaze new file mode 120000 index 000000000000..d9830330a21d --- /dev/null +++ b/scripts/dtc/include-prefixes/microblaze @@ -0,0 +1 @@ +../../../arch/microblaze/boot/dts
\ No newline at end of file diff --git a/scripts/dtc/include-prefixes/mips b/scripts/dtc/include-prefixes/mips new file mode 120000 index 000000000000..ae8d4948dc8d --- /dev/null +++ b/scripts/dtc/include-prefixes/mips @@ -0,0 +1 @@ +../../../arch/mips/boot/dts
\ No newline at end of file diff --git a/scripts/dtc/include-prefixes/nios2 b/scripts/dtc/include-prefixes/nios2 new file mode 120000 index 000000000000..51772336d13f --- /dev/null +++ b/scripts/dtc/include-prefixes/nios2 @@ -0,0 +1 @@ +../../../arch/nios2/boot/dts
\ No newline at end of file diff --git a/scripts/dtc/include-prefixes/openrisc b/scripts/dtc/include-prefixes/openrisc new file mode 120000 index 000000000000..71c3bc75c560 --- /dev/null +++ b/scripts/dtc/include-prefixes/openrisc @@ -0,0 +1 @@ +../../../arch/openrisc/boot/dts
\ No newline at end of file diff --git a/scripts/dtc/include-prefixes/powerpc b/scripts/dtc/include-prefixes/powerpc new file mode 120000 index 000000000000..7cd6ec16e899 --- /dev/null +++ b/scripts/dtc/include-prefixes/powerpc @@ -0,0 +1 @@ +../../../arch/powerpc/boot/dts
\ No newline at end of file diff --git a/scripts/dtc/include-prefixes/sh b/scripts/dtc/include-prefixes/sh new file mode 120000 index 000000000000..67d37808c599 --- /dev/null +++ b/scripts/dtc/include-prefixes/sh @@ -0,0 +1 @@ +../../../arch/sh/boot/dts
\ No newline at end of file diff --git a/scripts/dtc/include-prefixes/xtensa b/scripts/dtc/include-prefixes/xtensa new file mode 120000 index 000000000000..d1eaf6ec7a2b --- /dev/null +++ b/scripts/dtc/include-prefixes/xtensa @@ -0,0 +1 @@ +../../../arch/xtensa/boot/dts
\ No newline at end of file diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c index 664b7fe206d6..b11d3920b9a5 100644 --- a/sound/x86/intel_hdmi_audio.c +++ b/sound/x86/intel_hdmi_audio.c @@ -1809,10 +1809,6 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev) pdata->notify_pending = false; spin_unlock_irq(&pdata->lpe_audio_slock); - /* runtime PM isn't enabled as default, since it won't save much on - * BYT/CHT devices; user who want the runtime PM should adjust the - * power/ontrol and power/autosuspend_delay_ms sysfs entries instead - */ pm_runtime_use_autosuspend(&pdev->dev); pm_runtime_mark_last_busy(&pdev->dev); pm_runtime_set_active(&pdev->dev); diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest index 32e6211e1c6e..717581145cfc 100755 --- a/tools/testing/selftests/ftrace/ftracetest +++ b/tools/testing/selftests/ftrace/ftracetest @@ -58,7 +58,7 @@ parse_opts() { # opts ;; --verbose|-v|-vv) VERBOSE=$((VERBOSE + 1)) - [ $1 == '-vv' ] && VERBOSE=$((VERBOSE + 1)) + [ $1 = '-vv' ] && VERBOSE=$((VERBOSE + 1)) shift 1 ;; --debug|-d) diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc index 07bb3e5930b4..aa31368851c9 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc @@ -48,7 +48,7 @@ test_event_enabled() { e=`cat $EVENT_ENABLE` if [ "$e" != $val ]; then echo "Expected $val but found $e" - exit -1 + exit 1 fi } diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions index 9aec6fcb7729..f2019b37370d 100644 --- a/tools/testing/selftests/ftrace/test.d/functions +++ b/tools/testing/selftests/ftrace/test.d/functions @@ -34,10 +34,10 @@ reset_ftrace_filter() { # reset all triggers in set_ftrace_filter echo > set_ftrace_filter grep -v '^#' set_ftrace_filter | while read t; do tr=`echo $t | cut -d: -f2` - if [ "$tr" == "" ]; then + if [ "$tr" = "" ]; then continue fi - if [ $tr == "enable_event" -o $tr == "disable_event" ]; then + if [ $tr = "enable_event" -o $tr = "disable_event" ]; then tr=`echo $t | cut -d: -f1-4` limit=`echo $t | cut -d: -f5` else diff --git a/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc b/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc index 4c5a061a5b4e..c73db7863adb 100644 --- a/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc +++ b/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc @@ -75,9 +75,13 @@ rmdir foo if [ -d foo ]; then fail "foo still exists" fi -exit 0 - +mkdir foo +echo "schedule:enable_event:sched:sched_switch" > foo/set_ftrace_filter +rmdir foo +if [ -d foo ]; then + fail "foo still exists" +fi instance_slam() { diff --git a/tools/testing/selftests/powerpc/tm/.gitignore b/tools/testing/selftests/powerpc/tm/.gitignore index 427621792229..2f1f7b013293 100644 --- a/tools/testing/selftests/powerpc/tm/.gitignore +++ b/tools/testing/selftests/powerpc/tm/.gitignore @@ -11,3 +11,4 @@ tm-signal-context-chk-fpu tm-signal-context-chk-gpr tm-signal-context-chk-vmx tm-signal-context-chk-vsx +tm-vmx-unavail diff --git a/tools/testing/selftests/powerpc/tm/Makefile b/tools/testing/selftests/powerpc/tm/Makefile index 5576ee6a51f2..958c11c14acd 100644 --- a/tools/testing/selftests/powerpc/tm/Makefile +++ b/tools/testing/selftests/powerpc/tm/Makefile @@ -2,7 +2,8 @@ SIGNAL_CONTEXT_CHK_TESTS := tm-signal-context-chk-gpr tm-signal-context-chk-fpu tm-signal-context-chk-vmx tm-signal-context-chk-vsx TEST_GEN_PROGS := tm-resched-dscr tm-syscall tm-signal-msr-resv tm-signal-stack \ - tm-vmxcopy tm-fork tm-tar tm-tmspr $(SIGNAL_CONTEXT_CHK_TESTS) + tm-vmxcopy tm-fork tm-tar tm-tmspr tm-vmx-unavail \ + $(SIGNAL_CONTEXT_CHK_TESTS) include ../../lib.mk @@ -13,6 +14,7 @@ CFLAGS += -mhtm $(OUTPUT)/tm-syscall: tm-syscall-asm.S $(OUTPUT)/tm-syscall: CFLAGS += -I../../../../../usr/include $(OUTPUT)/tm-tmspr: CFLAGS += -pthread +$(OUTPUT)/tm-vmx-unavail: CFLAGS += -pthread -m64 SIGNAL_CONTEXT_CHK_TESTS := $(patsubst %,$(OUTPUT)/%,$(SIGNAL_CONTEXT_CHK_TESTS)) $(SIGNAL_CONTEXT_CHK_TESTS): tm-signal.S diff --git a/tools/testing/selftests/powerpc/tm/tm-vmx-unavail.c b/tools/testing/selftests/powerpc/tm/tm-vmx-unavail.c new file mode 100644 index 000000000000..137185ba4937 --- /dev/null +++ b/tools/testing/selftests/powerpc/tm/tm-vmx-unavail.c @@ -0,0 +1,118 @@ +/* + * Copyright 2017, Michael Neuling, IBM Corp. + * Licensed under GPLv2. + * Original: Breno Leitao <brenohl@br.ibm.com> & + * Gustavo Bueno Romero <gromero@br.ibm.com> + * Edited: Michael Neuling + * + * Force VMX unavailable during a transaction and see if it corrupts + * the checkpointed VMX register state after the abort. + */ + +#include <inttypes.h> +#include <htmintrin.h> +#include <string.h> +#include <stdlib.h> +#include <stdio.h> +#include <pthread.h> +#include <sys/mman.h> +#include <unistd.h> +#include <pthread.h> + +#include "tm.h" +#include "utils.h" + +int passed; + +void *worker(void *unused) +{ + __int128 vmx0; + uint64_t texasr; + + asm goto ( + "li 3, 1;" /* Stick non-zero value in VMX0 */ + "std 3, 0(%[vmx0_ptr]);" + "lvx 0, 0, %[vmx0_ptr];" + + /* Wait here a bit so we get scheduled out 255 times */ + "lis 3, 0x3fff;" + "1: ;" + "addi 3, 3, -1;" + "cmpdi 3, 0;" + "bne 1b;" + + /* Kernel will hopefully turn VMX off now */ + + "tbegin. ;" + "beq failure;" + + /* Cause VMX unavail. Any VMX instruction */ + "vaddcuw 0,0,0;" + + "tend. ;" + "b %l[success];" + + /* Check VMX0 sanity after abort */ + "failure: ;" + "lvx 1, 0, %[vmx0_ptr];" + "vcmpequb. 2, 0, 1;" + "bc 4, 24, %l[value_mismatch];" + "b %l[value_match];" + : + : [vmx0_ptr] "r"(&vmx0) + : "r3" + : success, value_match, value_mismatch + ); + + /* HTM aborted and VMX0 is corrupted */ +value_mismatch: + texasr = __builtin_get_texasr(); + + printf("\n\n==============\n\n"); + printf("Failure with error: %lx\n", _TEXASR_FAILURE_CODE(texasr)); + printf("Summary error : %lx\n", _TEXASR_FAILURE_SUMMARY(texasr)); + printf("TFIAR exact : %lx\n\n", _TEXASR_TFIAR_EXACT(texasr)); + + passed = 0; + return NULL; + + /* HTM aborted but VMX0 is correct */ +value_match: +// printf("!"); + return NULL; + +success: +// printf("."); + return NULL; +} + +int tm_vmx_unavail_test() +{ + int threads; + pthread_t *thread; + + SKIP_IF(!have_htm()); + + passed = 1; + + threads = sysconf(_SC_NPROCESSORS_ONLN) * 4; + thread = malloc(sizeof(pthread_t)*threads); + if (!thread) + return EXIT_FAILURE; + + for (uint64_t i = 0; i < threads; i++) + pthread_create(&thread[i], NULL, &worker, NULL); + + for (uint64_t i = 0; i < threads; i++) + pthread_join(thread[i], NULL); + + free(thread); + + return passed ? EXIT_SUCCESS : EXIT_FAILURE; +} + + +int main(int argc, char **argv) +{ + return test_harness(tm_vmx_unavail_test, "tm_vmx_unavail_test"); +} diff --git a/virt/kvm/arm/hyp/vgic-v3-sr.c b/virt/kvm/arm/hyp/vgic-v3-sr.c index bce6037cf01d..32c3295929b0 100644 --- a/virt/kvm/arm/hyp/vgic-v3-sr.c +++ b/virt/kvm/arm/hyp/vgic-v3-sr.c @@ -22,7 +22,7 @@ #include <asm/kvm_hyp.h> #define vtr_to_max_lr_idx(v) ((v) & 0xf) -#define vtr_to_nr_pri_bits(v) (((u32)(v) >> 29) + 1) +#define vtr_to_nr_pre_bits(v) (((u32)(v) >> 26) + 1) static u64 __hyp_text __gic_v3_get_lr(unsigned int lr) { @@ -135,13 +135,13 @@ void __hyp_text __vgic_v3_save_state(struct kvm_vcpu *vcpu) if (used_lrs) { int i; - u32 nr_pri_bits; + u32 nr_pre_bits; cpu_if->vgic_elrsr = read_gicreg(ICH_ELSR_EL2); write_gicreg(0, ICH_HCR_EL2); val = read_gicreg(ICH_VTR_EL2); - nr_pri_bits = vtr_to_nr_pri_bits(val); + nr_pre_bits = vtr_to_nr_pre_bits(val); for (i = 0; i < used_lrs; i++) { if (cpu_if->vgic_elrsr & (1 << i)) @@ -152,7 +152,7 @@ void __hyp_text __vgic_v3_save_state(struct kvm_vcpu *vcpu) __gic_v3_set_lr(0, i); } - switch (nr_pri_bits) { + switch (nr_pre_bits) { case 7: cpu_if->vgic_ap0r[3] = read_gicreg(ICH_AP0R3_EL2); cpu_if->vgic_ap0r[2] = read_gicreg(ICH_AP0R2_EL2); @@ -162,7 +162,7 @@ void __hyp_text __vgic_v3_save_state(struct kvm_vcpu *vcpu) cpu_if->vgic_ap0r[0] = read_gicreg(ICH_AP0R0_EL2); } - switch (nr_pri_bits) { + switch (nr_pre_bits) { case 7: cpu_if->vgic_ap1r[3] = read_gicreg(ICH_AP1R3_EL2); cpu_if->vgic_ap1r[2] = read_gicreg(ICH_AP1R2_EL2); @@ -198,7 +198,7 @@ void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu) struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3; u64 used_lrs = vcpu->arch.vgic_cpu.used_lrs; u64 val; - u32 nr_pri_bits; + u32 nr_pre_bits; int i; /* @@ -217,12 +217,12 @@ void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu) } val = read_gicreg(ICH_VTR_EL2); - nr_pri_bits = vtr_to_nr_pri_bits(val); + nr_pre_bits = vtr_to_nr_pre_bits(val); if (used_lrs) { write_gicreg(cpu_if->vgic_hcr, ICH_HCR_EL2); - switch (nr_pri_bits) { + switch (nr_pre_bits) { case 7: write_gicreg(cpu_if->vgic_ap0r[3], ICH_AP0R3_EL2); write_gicreg(cpu_if->vgic_ap0r[2], ICH_AP0R2_EL2); @@ -232,7 +232,7 @@ void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu) write_gicreg(cpu_if->vgic_ap0r[0], ICH_AP0R0_EL2); } - switch (nr_pri_bits) { + switch (nr_pre_bits) { case 7: write_gicreg(cpu_if->vgic_ap1r[3], ICH_AP1R3_EL2); write_gicreg(cpu_if->vgic_ap1r[2], ICH_AP1R2_EL2); diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c index 313ee646480f..a2d63247d1bb 100644 --- a/virt/kvm/arm/mmu.c +++ b/virt/kvm/arm/mmu.c @@ -295,6 +295,13 @@ static void unmap_stage2_range(struct kvm *kvm, phys_addr_t start, u64 size) assert_spin_locked(&kvm->mmu_lock); pgd = kvm->arch.pgd + stage2_pgd_index(addr); do { + /* + * Make sure the page table is still active, as another thread + * could have possibly freed the page table, while we released + * the lock. + */ + if (!READ_ONCE(kvm->arch.pgd)) + break; next = stage2_pgd_addr_end(addr, end); if (!stage2_pgd_none(*pgd)) unmap_stage2_puds(kvm, pgd, addr, next); @@ -829,22 +836,22 @@ void stage2_unmap_vm(struct kvm *kvm) * Walks the level-1 page table pointed to by kvm->arch.pgd and frees all * underlying level-2 and level-3 tables before freeing the actual level-1 table * and setting the struct pointer to NULL. - * - * Note we don't need locking here as this is only called when the VM is - * destroyed, which can only be done once. */ void kvm_free_stage2_pgd(struct kvm *kvm) { - if (kvm->arch.pgd == NULL) - return; + void *pgd = NULL; spin_lock(&kvm->mmu_lock); - unmap_stage2_range(kvm, 0, KVM_PHYS_SIZE); + if (kvm->arch.pgd) { + unmap_stage2_range(kvm, 0, KVM_PHYS_SIZE); + pgd = READ_ONCE(kvm->arch.pgd); + kvm->arch.pgd = NULL; + } spin_unlock(&kvm->mmu_lock); /* Free the HW pgd, one page at a time */ - free_pages_exact(kvm->arch.pgd, S2_PGD_SIZE); - kvm->arch.pgd = NULL; + if (pgd) + free_pages_exact(pgd, S2_PGD_SIZE); } static pud_t *stage2_get_pud(struct kvm *kvm, struct kvm_mmu_memory_cache *cache, @@ -1170,11 +1177,13 @@ static void stage2_wp_range(struct kvm *kvm, phys_addr_t addr, phys_addr_t end) * large. Otherwise, we may see kernel panics with * CONFIG_DETECT_HUNG_TASK, CONFIG_LOCKUP_DETECTOR, * CONFIG_LOCKDEP. Additionally, holding the lock too long - * will also starve other vCPUs. + * will also starve other vCPUs. We have to also make sure + * that the page tables are not freed while we released + * the lock. */ - if (need_resched() || spin_needbreak(&kvm->mmu_lock)) - cond_resched_lock(&kvm->mmu_lock); - + cond_resched_lock(&kvm->mmu_lock); + if (!READ_ONCE(kvm->arch.pgd)) + break; next = stage2_pgd_addr_end(addr, end); if (stage2_pgd_present(*pgd)) stage2_wp_puds(pgd, addr, next); diff --git a/virt/kvm/arm/vgic/vgic-init.c b/virt/kvm/arm/vgic/vgic-init.c index dc68e2e424ab..3a0b8999f011 100644 --- a/virt/kvm/arm/vgic/vgic-init.c +++ b/virt/kvm/arm/vgic/vgic-init.c @@ -242,8 +242,11 @@ int kvm_vgic_vcpu_init(struct kvm_vcpu *vcpu) * If we are creating a VCPU with a GICv3 we must also register the * KVM io device for the redistributor that belongs to this VCPU. */ - if (dist->vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3) + if (dist->vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3) { + mutex_lock(&vcpu->kvm->lock); ret = vgic_register_redist_iodev(vcpu); + mutex_unlock(&vcpu->kvm->lock); + } return ret; } diff --git a/virt/kvm/arm/vgic/vgic-mmio-v3.c b/virt/kvm/arm/vgic/vgic-mmio-v3.c index 99da1a207c19..201d5e2e973d 100644 --- a/virt/kvm/arm/vgic/vgic-mmio-v3.c +++ b/virt/kvm/arm/vgic/vgic-mmio-v3.c @@ -586,7 +586,7 @@ int vgic_register_redist_iodev(struct kvm_vcpu *vcpu) if (!vgic_v3_check_base(kvm)) return -EINVAL; - rd_base = vgic->vgic_redist_base + kvm_vcpu_get_idx(vcpu) * SZ_64K * 2; + rd_base = vgic->vgic_redist_base + vgic->vgic_redist_free_offset; sgi_base = rd_base + SZ_64K; kvm_iodevice_init(&rd_dev->dev, &kvm_io_gic_ops); @@ -614,11 +614,15 @@ int vgic_register_redist_iodev(struct kvm_vcpu *vcpu) mutex_lock(&kvm->slots_lock); ret = kvm_io_bus_register_dev(kvm, KVM_MMIO_BUS, sgi_base, SZ_64K, &sgi_dev->dev); - mutex_unlock(&kvm->slots_lock); - if (ret) + if (ret) { kvm_io_bus_unregister_dev(kvm, KVM_MMIO_BUS, &rd_dev->dev); + goto out; + } + vgic->vgic_redist_free_offset += 2 * SZ_64K; +out: + mutex_unlock(&kvm->slots_lock); return ret; } @@ -644,10 +648,12 @@ static int vgic_register_all_redist_iodevs(struct kvm *kvm) if (ret) { /* The current c failed, so we start with the previous one. */ + mutex_lock(&kvm->slots_lock); for (c--; c >= 0; c--) { vcpu = kvm_get_vcpu(kvm, c); vgic_unregister_redist_iodev(vcpu); } + mutex_unlock(&kvm->slots_lock); } return ret; diff --git a/virt/kvm/arm/vgic/vgic-v2.c b/virt/kvm/arm/vgic/vgic-v2.c index a65757aab6d3..504b4bd0d651 100644 --- a/virt/kvm/arm/vgic/vgic-v2.c +++ b/virt/kvm/arm/vgic/vgic-v2.c @@ -149,6 +149,13 @@ void vgic_v2_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr) if (irq->hw) { val |= GICH_LR_HW; val |= irq->hwintid << GICH_LR_PHYSID_CPUID_SHIFT; + /* + * Never set pending+active on a HW interrupt, as the + * pending state is kept at the physical distributor + * level. + */ + if (irq->active && irq_is_pending(irq)) + val &= ~GICH_LR_PENDING_BIT; } else { if (irq->config == VGIC_CONFIG_LEVEL) val |= GICH_LR_EOI; diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c index 8fa737edde6f..6fe3f003636a 100644 --- a/virt/kvm/arm/vgic/vgic-v3.c +++ b/virt/kvm/arm/vgic/vgic-v3.c @@ -127,6 +127,13 @@ void vgic_v3_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr) if (irq->hw) { val |= ICH_LR_HW; val |= ((u64)irq->hwintid) << ICH_LR_PHYS_ID_SHIFT; + /* + * Never set pending+active on a HW interrupt, as the + * pending state is kept at the physical distributor + * level. + */ + if (irq->active && irq_is_pending(irq)) + val &= ~ICH_LR_PENDING_BIT; } else { if (irq->config == VGIC_CONFIG_LEVEL) val |= ICH_LR_EOI; |