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* [media] Revert "[media] media: mx2_camera: Fix mbus format handling"Guennadi Liakhovetski2012-06-181-0/+2
| | | | | | | | | | | | | | | | This reverts commit d509835e32bd761a2b7b446034a273da568e5573. That commit breaks support for the generic pass-through mode in the driver for formats, not natively supported by it. Besides due to a merge conflict it also breaks driver compilation: drivers/media/video/mx2_camera.c: In function 'mx2_camera_set_bus_param': drivers/media/video/mx2_camera.c:937: error: 'pixfmt' undeclared (first use in this function) drivers/media/video/mx2_camera.c:937: error: (Each undeclared identifier is reported only once drivers/media/video/mx2_camera.c:937: error: for each function it appears in.) Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Cc: Javier Martin <javier.martin@vista-silicon.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] media: mx2_camera: Fix mbus format handlingJavier Martin2012-05-151-2/+0Star
| | | | | | | | | | Remove MX2_CAMERA_SWAP16 and MX2_CAMERA_PACK_DIR_MSB flags so that the driver can negotiate with the attached sensor whether the mbus format needs convertion from UYUV to YUYV or not. Signed-off-by: Javier Martin <javier.martin@vista-silicon.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* [media] i.MX27: visstrim_m10: Remove use of MX2_CAMERA_SWAP16Javier Martin2012-05-151-1/+1
| | | | | | Signed-off-by: Javier Martin <javier.martin@vista-silicon.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* Merge tag 'fixes-for-linus' of ↵Linus Torvalds2012-05-1312-55/+88
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM: SoC fixes from Olof Johansson: "I was hoping to be done with fixes for 3.4 but we got two branches from subarch maintainers the last couple of days. So here is one last(?) pull request for arm-soc containing 7 patches: - Five of them are for shmobile dealing with SMP setup and compile failures - The remaining two are for regressions on the Samsung platforms" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: EXYNOS: fix ctrlbit for exynos5_clk_pdma1 ARM: EXYNOS: use s5p-timer for UniversalC210 board ARM / mach-shmobile: Invalidate caches when booting secondary cores ARM / mach-shmobile: sh73a0 SMP TWD boot regression fix ARM / mach-shmobile: r8a7779 SMP TWD boot regression fix ARM: mach-shmobile: convert ag5evm to use the generic MMC GPIO hotplug helper ARM: mach-shmobile: convert mackerel to use the generic MMC GPIO hotplug helper
| * Merge branch 'v3.4-samsung-fixes-5' of ↵Olof Johansson2012-05-133-2/+7
| |\ | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes * 'v3.4-samsung-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: EXYNOS: fix ctrlbit for exynos5_clk_pdma1 ARM: EXYNOS: use s5p-timer for UniversalC210 board
| | * ARM: EXYNOS: fix ctrlbit for exynos5_clk_pdma1Kukjin Kim2012-05-131-1/+1
| | | | | | | | | | | | | | | | | | It should be (1 << 2) for ctrlbit of exynos5_clk_pdma1. Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * ARM: EXYNOS: use s5p-timer for UniversalC210 boardMarek Szyprowski2012-05-132-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 069d4e743 ("ARM: EXYNOS4: Remove clock event timers using ARM private timers") removed support for local timers and forced to use MCT as event source. However MCT is not operating properly on early revision of EXYNOS4 SoCs. All UniversalC210 boards are based on it, so that commit broke support for it. This patch provides a workaround that enables UniversalC210 boards to boot again. s5p-timer is used as an event source, it works only for non-SMP builds. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| * | Merge branch 'fixes' of ↵Olof Johansson2012-05-139-53/+81
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rafael/renesas into fixes By Guennadi Liakhovetski (2) and others via Rafael J. Wysocki: "[...] urgent fixes for Renesas ARM-based platforms. Four of these commits are fixes of regressions new in 3.4-rc and the last one is necessary for SMP to work on those systems in general." * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/renesas: ARM / mach-shmobile: Invalidate caches when booting secondary cores ARM / mach-shmobile: sh73a0 SMP TWD boot regression fix ARM / mach-shmobile: r8a7779 SMP TWD boot regression fix ARM: mach-shmobile: convert ag5evm to use the generic MMC GPIO hotplug helper ARM: mach-shmobile: convert mackerel to use the generic MMC GPIO hotplug helper
| | * | ARM / mach-shmobile: Invalidate caches when booting secondary coresMagnus Damm2012-05-121-1/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make sure L1 caches are invalidated when booting secondary cores. Needed to boot all mach-shmobile SMP systems that are using Cortex-A9 including sh73a0, r8a7779 and EMEV2. Thanks to imx and tegra guys for actual code. Signed-off-by: Magnus Damm <damm@opensource.se> Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
| | * | ARM / mach-shmobile: sh73a0 SMP TWD boot regression fixKuninori Morimoto2012-05-124-11/+10Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix SMP TWD boot regression on sh73a0 based platforms caused by: 4200b16 ARM: shmobile: convert to twd_local_timer_register() interface After the merge of the above commit it has been impossible to boot sh73a0 based SoCs with SMP enabled and CONFIG_HAVE_ARM_TWD=y. The kernel crashes at smp_init_cpus() timing which is before the console has been initialized, so to the user this looks like a kernel lock up without any particular error message. This patch fixes the regression on sh73a0 by moving the TWD registration code from smp_init_cpus() to sys_timer->init() time. This patch removed shmobile_twd_init() which is no longer needed Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
| | * | ARM / mach-shmobile: r8a7779 SMP TWD boot regression fixMagnus Damm2012-05-123-1/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix SMP TWD boot regression on r8a7779 based platforms caused by: 4200b16 ARM: shmobile: convert to twd_local_timer_register() interface After the merge of the above commit it has been impossible to boot r8a7779 based SoCs with SMP enabled and CONFIG_HAVE_ARM_TWD=y. The kernel crashes at smp_init_cpus() timing which is before the console has been initialized, so to the user this looks like a kernel lock up without any particular error message. This patch fixes the regression on r8a7779 by moving the TWD registration code from smp_init_cpus() to sys_timer->init() time. Signed-off-by: Magnus Damm <damm@opensource.se> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
| | * | ARM: mach-shmobile: convert ag5evm to use the generic MMC GPIO hotplug helperGuennadi Liakhovetski2012-05-121-20/+2Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This also fixes the following modular mmc build failure: arch/arm/mach-shmobile/built-in.o: In function `mackerel_sdhi0_gpio_cd': pfc-sh7372.c:(.text+0x1138): undefined reference to `mmc_detect_change' on this platform by eliminating the use of an inline function, which calls into the mmc core. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Reviewed-by: Simon Horman <horms@verge.net.au> Acked-by: Magnus Damm <damm@opensource.se> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
| | * | ARM: mach-shmobile: convert mackerel to use the generic MMC GPIO hotplug helperGuennadi Liakhovetski2012-05-121-20/+2Star
| | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This also fixes the following modular mmc build failure: arch/arm/mach-shmobile/built-in.o: In function `ag5evm_sdhi0_gpio_cd': pfc-sh73a0.c:(.text+0x7c0): undefined reference to `mmc_detect_change' on this platform by eliminating the use of an inline function, which calls into the mmc core. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Tested-by: Simon Horman <horms@verge.net.au> Acked-by: Magnus Damm <damm@opensource.se> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
* | | powerpc/irq: Fix another case of lazy IRQ state getting out of syncBenjamin Herrenschmidt2012-05-122-13/+44
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | So we have another case of paca->irq_happened getting out of sync with the HW irq state. This can happen when a perfmon interrupt occurs while soft disabled, as it will return to a soft disabled but hard enabled context while leaving a stale PACA_IRQ_HARD_DIS flag set. This patch fixes it, and also adds a test for the condition of those flags being out of sync in arch_local_irq_restore() when CONFIG_TRACE_IRQFLAGS is enabled. This helps catching those gremlins faster (and so far I can't seem see any anymore, so that's good news). Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2012-05-117-21/+21
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu Pull a m68knommu fix from Greg Ungerer: "It contains a single fix for including the ColdFire QSPI interface setup code when enabled as a module. This was broken in the consolidation of the ColdFire SoC device tables in the 3.4 merge window." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68knommu: enable qspi support when SPI_COLDFIRE_QSPI = m
| * | | m68knommu: enable qspi support when SPI_COLDFIRE_QSPI = mSteven King2012-05-087-21/+21
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | Enable Coldfire QSPI support when SPI_COLDFIRE_QSPI is built as a module. This version of the patch combines changes to the config files and device.c and uses IF_ENABLED (thanks to Sam Ravnborg for the suggestion). Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
* | | Merge branch 'parisc' (PA-RISC compile fixes)Linus Torvalds2012-05-117-8/+14
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge PA-RISC compile fixes from Rolf Eike Beer: "Since commit d66acc39c7ce ("bitops: Optimise get_order()") getorder.h includes log2.h which leads to an include loop on PA-RISC, bringing a bunch of other breakage to light. This patchset fixes the compilation of the current state of 3.4 on HPPA. Unchanged against the first version, just added an Ack by Grant." * emailed from Rolf Eike Beer <eike-kernel@sf-tec.de>: (5 patches) parisc: move definition of PAGE0 to asm/page.h parisc: add missing include of asm/page.h to asm/pgtable.h parisc: drop include of asm/pdc.h from asm/hardware.h parisc: add missing forward declarations in asm/hardware.h parisc: add missing includes in asm/spinlock.h
| * | | parisc: move definition of PAGE0 to asm/page.hRolf Eike Beer2012-05-114-7/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This was defined in asm/pdc.h which needs to include asm/page.h for __PAGE_OFFSET. This leads to an include loop so that page.h eventually will include pdc.h again. While this is no problem because of header guards, it is a problem because some symbols may be undefined. Such an error is this: In file included from include/linux/bitops.h:35:0, from include/asm-generic/getorder.h:7, from arch/parisc/include/asm/page.h:162, from arch/parisc/include/asm/pdc.h:346, from arch/parisc/include/asm/processor.h:16, from arch/parisc/include/asm/spinlock.h:6, from arch/parisc/include/asm/atomic.h:20, from include/linux/atomic.h:4, from include/linux/sysfs.h:20, from include/linux/kobject.h:21, from include/linux/device.h:17, from include/linux/eisa.h:5, from arch/parisc/kernel/pci.c:11: arch/parisc/include/asm/bitops.h: In function ‘set_bit’: arch/parisc/include/asm/bitops.h:82:2: error: implicit declaration of function ‘_atomic_spin_lock_irqsave’ [-Werror=implicit-function-declaration] arch/parisc/include/asm/bitops.h:84:2: error: implicit declaration of function ‘_atomic_spin_unlock_irqrestore’ [-Werror=implicit-function-declaration] Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | parisc: add missing include of asm/page.h to asm/pgtable.hRolf Eike Beer2012-05-111-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes these errors: In file included from arch/parisc/include/asm/io.h:5:0, from include/linux/io.h:22, from include/linux/pci.h:54, from arch/parisc/kernel/setup.c:35: arch/parisc/include/asm/pgtable.h:92:6: warning: "PAGE_SHIFT" is not defined [-Wundef] arch/parisc/include/asm/pgtable.h:92:6: warning: "PAGE_SHIFT" is not defined [-Wundef] arch/parisc/include/asm/pgtable.h:92:6: warning: "BITS_PER_PTE_ENTRY" is not defined [-Wundef] Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | parisc: drop include of asm/pdc.h from asm/hardware.hRolf Eike Beer2012-05-111-1/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It seems none of the symbols defined by pdc.h is needed, but it introduces an include loop causing compile errors: In file included from arch/parisc/include/asm/spinlock.h:4:0, from arch/parisc/include/asm/atomic.h:20, from include/linux/atomic.h:4, from arch/parisc/include/asm/bitops.h:56, from include/linux/bitops.h:35, from include/asm-generic/getorder.h:7, from arch/parisc/include/asm/page.h:162, from arch/parisc/include/asm/pdc.h:346, from arch/parisc/include/asm/hardware.h:5, from arch/parisc/kernel/hardware.c:30: arch/parisc/include/asm/processor.h:74:16: error: field ‘cpu_type’ has incomplete type arch/parisc/include/asm/processor.h:77:20: error: field ‘model’ has incomplete type arch/parisc/include/asm/processor.h: In function ‘parisc_requires_coherency’: arch/parisc/include/asm/processor.h:349:36: error: ‘mako’ undeclared (first use in this function) arch/parisc/include/asm/processor.h:349:36: note: each undeclared identifier is reported only once for each function it appears in arch/parisc/include/asm/processor.h:350:30: error: ‘mako2’ undeclared (first use in this function) Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Acked-by: Grant Grundler <grantgrundler@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | parisc: add missing forward declarations in asm/hardware.hRolf Eike Beer2012-05-111-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes this warnings: In file included from arch/parisc/include/asm/processor.h:15:0, from arch/parisc/include/asm/spinlock.h:4, from arch/parisc/include/asm/atomic.h:20, from include/linux/atomic.h:4, from arch/parisc/include/asm/bitops.h:11, from include/linux/bitops.h:22, from include/linux/kernel.h:19, from include/linux/sched.h:55, from arch/parisc/kernel/asm-offsets.c:31: arch/parisc/include/asm/hardware.h:106:10: warning: ‘struct hardware_path’ declared inside parameter list [enabled by default] arch/parisc/include/asm/hardware.h:106:10: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default] arch/parisc/include/asm/hardware.h:116:59: warning: ‘struct hardware_path’ declared inside parameter list [enabled by default] arch/parisc/include/asm/hardware.h:118:47: warning: ‘struct hardware_path’ declared inside parameter list [enabled by default] arch/parisc/include/asm/hardware.h:119:57: warning: ‘struct hardware_path’ declared inside parameter list [enabled by default] Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | parisc: add missing includes in asm/spinlock.hRolf Eike Beer2012-05-111-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This leads to this errors: In file included from arch/parisc/include/asm/atomic.h:20:0, from include/linux/atomic.h:4, from arch/parisc/include/asm/bitops.h:56, from include/linux/bitops.h:22, from include/linux/kernel.h:19, from include/linux/sched.h:55, from arch/parisc/kernel/asm-offsets.c:31: arch/parisc/include/asm/spinlock.h: In function ‘arch_spin_is_locked’: arch/parisc/include/asm/spinlock.h:9:2: error: implicit declaration of function ‘__ldcw_align’ [-Werror=implicit-function-declaration] arch/parisc/include/asm/spinlock.h:9:29: warning: initialization makes pointer from integer without a cast [enabled by default] arch/parisc/include/asm/spinlock.h: In function ‘arch_spin_lock_flags’: arch/parisc/include/asm/spinlock.h:22:2: error: implicit declaration of function ‘mb’ [-Werror=implicit-function-declaration] arch/parisc/include/asm/spinlock.h:23:4: warning: assignment makes pointer from integer without a cast [enabled by default] arch/parisc/include/asm/spinlock.h:24:2: error: implicit declaration of function ‘__ldcw’ [-Werror=implicit-function-declaration] Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | sparc64: Do not clobber %g2 in xcall_fetch_glob_regs().David S. Miller2012-05-102-4/+4
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | %g2 is meant to hold the CPUID number throughout this routine, since at the very beginning, and at the very end, we use %g2 to calculate indexes into per-cpu arrays. However we erroneously clobber it in order to hold the %cwp register value mid-stream. Fix this code to use %g3 for the %cwp read and related calulcations instead. Reported-by: Meelis Roos <mroos@linux.ee> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge tag 'fixes-for-linus' of ↵Linus Torvalds2012-05-095-8/+9
|\ \ \ | | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM: SoC fixes from Olof Johansson: "Things have slowed down a lot for us, but we have five more fixes for omap and kirkwood below. Three are for boards setup issues, two are SoC-level fixes." * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: OMAP: igep0020: fix smsc911x dummy regulator id ARM: orion5x: Fix GPIO enable bits for MPP9 ARM: kirkwood: add missing kexec.h include ARM: OMAP: Revert "ARM: OMAP: ctrl: Fix CONTROL_DSIPHY register fields" ARM: OMAP1: Amstrad Delta: Fix wrong IRQ base in FIQ handler
| * | Merge tag 'omap-fixes-for-v3.4-rc6-take-2' of ↵Olof Johansson2012-05-093-6/+6
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Fix two board spefific regressions and one regression caused by bad documentation By Archit Taneja (1) and others via Tony Lindgren * tag 'omap-fixes-for-v3.4-rc6-take-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP: igep0020: fix smsc911x dummy regulator id ARM: OMAP: Revert "ARM: OMAP: ctrl: Fix CONTROL_DSIPHY register fields" ARM: OMAP1: Amstrad Delta: Fix wrong IRQ base in FIQ handler
| | * | ARM: OMAP: igep0020: fix smsc911x dummy regulator idEnrico Butera2012-05-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | id 0 is already used and causes errors at boot: WARNING: at fs/sysfs/dir.c:508 sysfs_add_one+0x9c/0xac() sysfs: cannot create duplicate filename '/devices/platform/reg-fixed-voltage.0' Fix it by using the next available one (id=1). This was caused by 5b3689f4 (ARM: OMAP2+: smsc911x: Add fixed board regulators) that did not account for some regulators already being used. Signed-off-by: Enrico Butera <ebutera@users.berlios.de> [tony@atomide.com: updated comments for regression causing commit] Signed-off-by: Tony Lindgren <tony@atomide.com>
| | * | ARM: OMAP: Revert "ARM: OMAP: ctrl: Fix CONTROL_DSIPHY register fields"Archit Taneja2012-05-041-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 46f8c3c7e95c0d30d95911e7975ddc4f93b3e237. The commit above swapped the DSI1_PPID and DSI2_PPID register fields in CONTROL_DSIPHY to be in sync with the newer public OMAP TRMs(after version V). With this commit, contention errors were reported on DSI lanes some OMAP4 SDPs. After probing the DSI lanes on OMAP4 SDP, it was seen that setting bits in the DSI2_PPID field was pulling up voltage on DSI1 lanes, and DSI1_PPID field was pulling up voltage on DSI2 lanes. This proves that the current version of OMAP4 TRM is incorrect, swap the position of register fields according to the older TRM versions as they were correct. Cc: stable@vger.kernel.org # v3.2+ Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Archit Taneja <archit@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
| | * | ARM: OMAP1: Amstrad Delta: Fix wrong IRQ base in FIQ handlerJanusz Krzysztofik2012-05-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 384ebe1c2849160d040df3e68634ec506f13d9ff, "gpio/omap: Add DT support to GPIO driver", introduced dynamic IRQ numbering of OMAP GPIO interrupts, breaking all IH_GPIO_BASE based IRQ number calculations. This issue was corrected in the OMAP GPIO driver and the related header file with commit 25db711df3258d125dc1209800317e5c0ef3c870, "gpio/omap: Fix IRQ handling for SPARSE_IRQ". However, the Amstrad Delta FIQ handler, which replaces the gpio-omap driver in serving GPIO interrupts on this board, still uses that outdated method. Fix it. Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * | | ARM: orion5x: Fix GPIO enable bits for MPP9Ben Hutchings2012-05-081-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 554cdaefd1cf7bb54b209c4e68c7cec87ce442a9 ('ARM: orion5x: Refactor mpp code to use common orion platform mpp.') seems to have accidentally inverted the GPIO valid bits for MPP9 (only). For the mv2120 platform which uses MPP9 as a GPIO LED device, this results in the error: [ 12.711476] leds-gpio: probe of leds-gpio failed with error -22 Reported-by: Henry von Tresckow <hvontres@gmail.com> References: http://bugs.debian.org/667446 Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Cc: stable@vger.kernel.org [v3.0+] Tested-by: Hans Henry von Tresckow <hvontres@gmail.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
| * | | ARM: kirkwood: add missing kexec.h includeIan Campbell2012-05-081-0/+1
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes the following build error when CONFIG_KEXEC is enabled: CC arch/arm/mach-kirkwood/board-dt.o arch/arm/mach-kirkwood/board-dt.c: In function 'kirkwood_dt_init': arch/arm/mach-kirkwood/board-dt.c:52:2: error: 'kexec_reinit' undeclared (first use in this function) arch/arm/mach-kirkwood/board-dt.c:52:2: note: each undeclared identifier is reported only once for each function it appears in Signed-off-by: Ian Campbell <ijc@hellion.org.uk> [v4, rebase onto recent Linus for repost] [v3, speak actual English in the commit message, thanks Sergei Shtylyov] [v2, using linux/kexec.h not asm/kexec.h] Signed-off-by: Jason Cooper <jason@lakedaemon.net>
* | | Merge git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds2012-05-095-20/+16Star
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull KVM fixes from Avi Kivity: "Two asynchronous page fault fixes (one guest, one host), a powerpc page refcount fix, and an ia64 build fix." * git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: ia64: fix build due to typo KVM: PPC: Book3S HV: Fix refcounting of hugepages KVM: Do not take reference to mm during async #PF KVM: ensure async PF event wakes up vcpu from halt
| * | | KVM: ia64: fix build due to typoAvi Kivity2012-05-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | s/kcm/kvm/. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
| * | | KVM: PPC: Book3S HV: Fix refcounting of hugepagesDavid Gibson2012-05-082-11/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The H_REGISTER_VPA hcall implementation in HV Power KVM needs to pin some guest memory pages into host memory so that they can be safely accessed from usermode. It does this used get_user_pages_fast(). When the VPA is unregistered, or the VCPUs are cleaned up, these pages are released using put_page(). However, the get_user_pages() is invoked on the specific memory are of the VPA which could lie within hugepages. In case the pinned page is huge, we explicitly find the head page of the compound page before calling put_page() on it. At least with the latest kernel, this is not correct. put_page() already handles finding the correct head page of a compound, and also deals with various counts on the individual tail page which are important for transparent huge pages. We don't support transparent hugepages on Power, but even so, bypassing this count maintenance can lead (when the VM ends) to a hugepage being released back to the pool with a non-zero mapcount on one of the tail pages. This can then lead to a bad_page() when the page is released from the hugepage pool. This removes the explicit compound_head() call to correct this bug. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org> Acked-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
| * | | KVM: Do not take reference to mm during async #PFGleb Natapov2012-05-061-8/+1Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It turned to be totally unneeded. The reason the code was introduced is so that KVM can prefault swapped in page, but prefault can fail even if mm is pinned since page table can change anyway. KVM handles this situation correctly though and does not inject spurious page faults. Fixes: "INFO: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected" warning while running LTP inside a KVM guest using the recent -next kernel. Reported-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
| * | | KVM: ensure async PF event wakes up vcpu from haltGleb Natapov2012-05-061-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If vcpu executes hlt instruction while async PF is waiting to be delivered vcpu can block and deliver async PF only after another even wakes it up. This happens because kvm_check_async_pf_completion() will remove completion event from vcpu->async_pf.done before entering kvm_vcpu_block() and this will make kvm_arch_vcpu_runnable() return false. The solution is to make vcpu runnable when processing completion. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
* | | | Merge branch 'merge' of ↵Linus Torvalds2012-05-095-29/+16Star
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc Pull powerpc fixes from Benjamin Herrenschmidt: "Here are a couple of last minute fixes for 3.4 for regressions introduced by my rewrite of the lazy irq masking code." * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/irq: Make alignment & program interrupt behave the same powerpc/irq: Fix bug with new lazy IRQ handling code
| * | | | powerpc/irq: Make alignment & program interrupt behave the sameBenjamin Herrenschmidt2012-05-093-10/+9Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Alignment was the last user of the ENABLE_INTS macro, which we can now remove. All non-syscall exceptions now disable interrupts on entry, they get re-enabled conditionally from C code. Don't unconditionally re-enable in program check either, check the original context. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| * | | | powerpc/irq: Fix bug with new lazy IRQ handling codeBenjamin Herrenschmidt2012-05-092-19/+7Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We had a case where we could turn on hard interrupts while leaving the PACA_IRQ_HARD_DIS bit set in the PACA. This can in turn cause a BUG_ON() to hit in __check_irq_replay() due to interrupt state getting out of sync. The assembly code was also way too convoluted. Instead, we now leave it to the C code to do the right thing which ends up being smaller and more readable. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* | | | | Merge tag 'stable/for-linus-3.4-rc6-tag' of ↵Linus Torvalds2012-05-082-4/+45
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen Pull xen fixes from Konrad Rzeszutek Wilk: - fix to Kconfig to make it fit within 80 line characters, - two bootup fixes (AMD 8-core and with PCI BIOS), - cleanup code in a Xen PV fb driver, - and a crash fix when trying to see non-existent PTE's * tag 'stable/for-linus-3.4-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen/Kconfig: fix Kconfig layout xen/pci: don't use PCI BIOS service for configuration space accesses xen/pte: Fix crashes when trying to see non-existent PGD/PMD/PUD/PTEs xen/apic: Return the APIC ID (and version) for CPU 0. drivers/video/xen-fbfront.c: add missing cleanup code
| * | | | | xen/pci: don't use PCI BIOS service for configuration space accessesDavid Vrabel2012-05-071-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The accessing PCI configuration space with the PCI BIOS32 service does not work in PV guests. On systems without MMCONFIG or where the BIOS hasn't marked the MMCONFIG region as reserved in the e820 map, the BIOS service is probed (even though direct access is preferred) and this hangs. CC: stable@kernel.org Acked-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com> [v1: Fixed compile error when CONFIG_PCI is not set] Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * | | | | xen/pte: Fix crashes when trying to see non-existent PGD/PMD/PUD/PTEsKonrad Rzeszutek Wilk2012-05-071-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If I try to do "cat /sys/kernel/debug/kernel_page_tables" I end up with: BUG: unable to handle kernel paging request at ffffc7fffffff000 IP: [<ffffffff8106aa51>] ptdump_show+0x221/0x480 PGD 0 Oops: 0000 [#1] SMP CPU 0 .. snip.. RAX: 0000000000000000 RBX: ffffc00000000fff RCX: 0000000000000000 RDX: 0000800000000000 RSI: 0000000000000000 RDI: ffffc7fffffff000 which is due to the fact we are trying to access a PFN that is not accessible to us. The reason (at least in this case) was that PGD[256] is set to __HYPERVISOR_VIRT_START which was setup (by the hypervisor) to point to a read-only linear map of the MFN->PFN array. During our parsing we would get the MFN (a valid one), try to look it up in the MFN->PFN tree and find it invalid and return ~0 as PFN. Then pte_mfn_to_pfn would happilly feed that in, attach the flags and return it back to the caller. 'ptdump_show' bitshifts it and gets and invalid value that it tries to dereference. Instead of doing all of that, we detect the ~0 case and just return !_PAGE_PRESENT. This bug has been in existence .. at least until 2.6.37 (yikes!) CC: stable@kernel.org Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| * | | | | xen/apic: Return the APIC ID (and version) for CPU 0.Konrad Rzeszutek Wilk2012-05-071-1/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On x86_64 on AMD machines where the first APIC_ID is not zero, we get: ACPI: LAPIC (acpi_id[0x01] lapic_id[0x10] enabled) BIOS bug: APIC version is 0 for CPU 1/0x10, fixing up to 0x10 BIOS bug: APIC version mismatch, boot CPU: 0, CPU 1: version 10 which means that when the ACPI processor driver loads and tries to parse the _Pxx states it fails to do as, as it ends up calling acpi_get_cpuid which does this: for_each_possible_cpu(i) { if (cpu_physical_id(i) == apic_id) return i; } And the bootup CPU, has not been found so it fails and returns -1 for the first CPU - which then subsequently in the loop that "acpi_processor_get_info" does results in returning an error, which means that "acpi_processor_add" failing and per_cpu(processor) is never set (and is NULL). That means that when xen-acpi-processor tries to load (much much later on) and parse the P-states it gets -ENODEV from acpi_processor_register_performance() (which tries to read the per_cpu(processor)) and fails to parse the data. Reported-by-and-Tested-by: Stefan Bader <stefan.bader@canonical.com> Suggested-by: Boris Ostrovsky <boris.ostrovsky@amd.com> [v2: Bit-shift APIC ID by 24 bits] Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
* | | | | | Merge branch 'for-3.4-fixes' of ↵Linus Torvalds2012-05-081-1/+13
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu Pull two percpu fixes from Tejun Heo: "One adds missing KERN_CONT on split printk()s and the other makes the percpu allocator avoid using PMD_SIZE as atom_size on x86_32. Using PMD_SIZE led to vmalloc area exhaustion on certain configurations (x86_32 android) and the only cost of using PAGE_SIZE instead is static percpu area not being aligned to large page mapping." * 'for-3.4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: percpu, x86: don't use PMD_SIZE as embedded atom_size on 32bit percpu: use KERN_CONT in pcpu_dump_alloc_info()
| * | | | | | percpu, x86: don't use PMD_SIZE as embedded atom_size on 32bitTejun Heo2012-05-081-1/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With the embed percpu first chunk allocator, x86 uses either PAGE_SIZE or PMD_SIZE for atom_size. PMD_SIZE is used when CPU supports PSE so that percpu areas are aligned to PMD mappings and possibly allow using PMD mappings in vmalloc areas in the future. Using larger atom_size doesn't waste actual memory; however, it does require larger vmalloc space allocation later on for !first chunks. With reasonably sized vmalloc area, PMD_SIZE shouldn't be a problem but x86_32 at this point is anything but reasonable in terms of address space and using larger atom_size reportedly leads to frequent percpu allocation failures on certain setups. As there is no reason to not use PMD_SIZE on x86_64 as vmalloc space is aplenty and most x86_64 configurations support PSE, fix the issue by always using PMD_SIZE on x86_64 and PAGE_SIZE on x86_32. v2: drop cpu_has_pse test and make x86_64 always use PMD_SIZE and x86_32 PAGE_SIZE as suggested by hpa. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Yanmin Zhang <yanmin.zhang@intel.com> Reported-by: ShuoX Liu <shuox.liu@intel.com> Acked-by: H. Peter Anvin <hpa@zytor.com> LKML-Reference: <4F97BA98.6010001@intel.com> Cc: stable@vger.kernel.org
* | | | | | | Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-armLinus Torvalds2012-05-083-18/+12Star
|\ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull ARM fixes from Russell King: "This is mainly audit fixes, found by folks who happened to enable this feature and then found it broke their user applications." * 'fixes' of git://git.linaro.org/people/rmk/linux-arm: ARM: 7414/1: SMP: prevent use of the console when using idmap_pgd ARM: 7412/1: audit: use only AUDIT_ARCH_ARM regardless of endianness ARM: 7411/1: audit: fix treatment of saved ip register during syscall tracing ARM: 7410/1: Add extra clobber registers for assembly in kernel_execve
| * | | | | | | ARM: 7414/1: SMP: prevent use of the console when using idmap_pgdColin Cross2012-05-061-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 4e8ee7de227e3ab9a72040b448ad728c5428a042 (ARM: SMP: use idmap_pgd for mapping MMU enable during secondary booting) switched secondary boot to use idmap_pgd, which is initialized during early_initcall, instead of a page table initialized during __cpu_up. This causes idmap_pgd to contain the static mappings but be missing all dynamic mappings. If a console is registered that creates a dynamic mapping, the printk in secondary_start_kernel will trigger a data abort on the missing mapping before the exception handlers have been initialized, leading to a hang. Initial boot is not affected because no consoles have been registered, and resume is usually not affected because the offending console is suspended. Onlining a cpu with hotplug triggers the problem. A workaround is to the printk in secondary_start_kernel until after the page tables have been switched back to init_mm. Cc: <stable@vger.kernel.org> Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | | | | | ARM: 7412/1: audit: use only AUDIT_ARCH_ARM regardless of endiannessWill Deacon2012-05-051-7/+1Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The machine endianness has no direct correspondence to the syscall ABI, so use only AUDIT_ARCH_ARM when identifying the ABI to the audit tools in userspace. Cc: stable@vger.kernel.org Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | | | | | ARM: 7411/1: audit: fix treatment of saved ip register during syscall tracingWill Deacon2012-05-051-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ARM audit code incorrectly uses the saved application ip register value to infer syscall entry or exit. Additionally, the saved value will be clobbered if the current task is not being traced, which can lead to libc corruption if ip is live (apparently glibc uses it for the TLS pointer). This patch fixes the syscall tracing code so that the why parameter is used to infer the syscall direction and the saved ip is only updated if we know that we will be signalling a ptrace trap. Reported-and-Tested-by: Jon Masters <jcm@jonmasters.org> Cc: stable@vger.kernel.org Cc: Eric Paris <eparis@redhat.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | | | | | ARM: 7410/1: Add extra clobber registers for assembly in kernel_execveTim Bird2012-05-051-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The inline assembly in kernel_execve() uses r8 and r9. Since this code sequence does not return, it usually doesn't matter if the register clobber list is accurate. However, I saw a case where a particular version of gcc used r8 as an intermediate for the value eventually passed to r9. Because r8 is used in the inline assembly, and not mentioned in the clobber list, r9 was set to an incorrect value. This resulted in a kernel panic on execution of the first user-space program in the system. r9 is used in ret_to_user as the thread_info pointer, and if it's wrong, bad things happen. Cc: <stable@vger.kernel.org> Signed-off-by: Tim Bird <tim.bird@am.sony.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | | | | | | IA32 emulation: Fix build problem for modular ia32 a.out supportLarry Finger2012-05-071-0/+1
| |_|_|_|_|/ / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit ce7e5d2d19bc ("x86: fix broken TASK_SIZE for ia32_aout") breaks kernel builds when "CONFIG_IA32_AOUT=m" with ERROR: "set_personality_ia32" [arch/x86/ia32/ia32_aout.ko] undefined! make[1]: *** [__modpost] Error 1 The entry point needs to be exported. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Acked-by: Al Viro <viro@zeniv.linux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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