- 03 5月, 2014 5 次提交
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git://git.secretlab.ca/git/linux由 Linus Torvalds 提交于
Pull driver core deferred probe fix from Grant Likely: "Drivercore race condition fix (exposed by devicetree) This branch fixes a bug where a device can get stuck in the deferred list even though all its dependencies are met. The bug has existed for a long time, but new platform conversions to device tree have exposed it. This patch is needed to get those platforms working. This was the pending bug fix I mentioned in my previous pull request. Normally this would go through Greg's tree seeing that it is a drivercore change, but devicetree exposes the problem. I've discussed with Greg and he okayed me asking you to pull directly" * tag 'dt-for-linus' of git://git.secretlab.ca/git/linux: drivercore: deferral race condition fix
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm由 Linus Torvalds 提交于
Pull device mapper fixes from Mike Snitzer: "A few dm-thinp fixes for changes merged in 3.15-rc1. A dm-verity fix for an immutable biovec regression that affects 3.14+. A dm-cache fix to properly quiesce when using writethrough mode (3.14+)" * tag 'dm-3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm cache: fix writethrough mode quiescing in cache_map dm thin: use INIT_WORK_ONSTACK in noflush_work to avoid ODEBUG warning dm verity: fix biovecs hash calculation regression dm thin: fix rcu_read_lock being held in code that can sleep dm thin: irqsave must always be used with the pool->lock spinlock
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 fixes from Peter Anvin: "Two very small changes: one fix for the vSMP Foundation platform, and one to help LLVM not choke on options it doesn't understand (although it probably should)" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/vsmp: Fix irq routing x86: LLVMLinux: Wrap -mno-80387 with cc-option
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git://git.kernel.org/pub/scm/virt/kvm/kvm由 Linus Torvalds 提交于
Pull KVM fixes from Paolo Bonzini: - Fix for a Haswell regression in nested virtualization, introduced during the merge window. - A fix from Oleg to async page faults. - A bunch of small ARM changes. - A trivial patch to use the new MSI-X API introduced during the merge window. * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: ARM: vgic: Fix the overlap check action about setting the GICD & GICC base address. KVM: arm/arm64: vgic: fix GICD_ICFGR register accesses KVM: async_pf: mm->mm_users can not pin apf->mm KVM: ARM: vgic: Fix sgi dispatch problem MAINTAINERS: co-maintainance of KVM/{arm,arm64} arm: KVM: fix possible misalignment of PGDs and bounce page KVM: x86: Check for host supported fields in shadow vmcs kvm: Use pci_enable_msix_exact() instead of pci_enable_msix() ARM: KVM: disable KVM in Kconfig on big-endian systems
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux由 Linus Torvalds 提交于
Pull s390 fixes from Martin Schwidefsky: "Two bug fixes, one to fix a potential information leak in the BPF jit and common-io-layer fix for old firmware levels" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/bpf,jit: initialize A register if 1st insn is BPF_S_LDX_B_MSH s390/chsc: fix SEI usage on old FW levels
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- 02 5月, 2014 9 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband由 Linus Torvalds 提交于
Pull infiniband/rdma fixes from Roland Dreier: "cxgb4 hardware driver fixes" * tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: RDMA/cxgb4: Update Kconfig to include Chelsio T5 adapter RDMA/cxgb4: Only allow kernel db ringing for T4 devs RDMA/cxgb4: Force T5 connections to use TAHOE congestion control RDMA/cxgb4: Fix endpoint mutex deadlocks
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux由 Linus Torvalds 提交于
Pull parisc fixes from Helge Deller: "Drop the architecture-specifc value for_STK_LIM_MAX to fix stack related problems with GNU make" * 'parisc-3.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Use generic uapi/asm/resource.h file parisc: remove _STK_LIM_MAX override
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由 Mike Snitzer 提交于
Commit 2ee57d58 ("dm cache: add passthrough mode") inadvertently removed the deferred set reference that was taken in cache_map()'s writethrough mode support. Restore taking this reference. This issue was found with code inspection. Signed-off-by: NMike Snitzer <snitzer@redhat.com> Acked-by: NJoe Thornber <ejt@redhat.com> Cc: stable@vger.kernel.org # 3.13+
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl由 Linus Torvalds 提交于
Pull pin control fixes from Linus Walleij: "Here is a small set of pin control fixes for the v3.15 series. All are individual driver fixes and quite self-contained. One of them tagged for stable. - Signedness bug in the TB10x - GPIO inversion fix for the AS3722 - Clear pending pin interrups enabled in the bootloader in the pinctrl-single driver - Minor pin definition fixes for the PFC/Renesas driver" * tag 'pinctrl-v3.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: sh-pfc: r8a7791: Fix definition of MOD_SEL3 sh-pfc: r8a7790: Fix definition of IPSR5 pinctrl: single: Clear pin interrupts enabled by bootloader pinctrl: as3722: fix handling of GPIO invert bit pinctrl/TB10x: Fix signedness bug
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux由 Linus Torvalds 提交于
Pull module fixes from Rusty Russell: "Fixed one missing place for the new taint flag, and remove a warning giving only false positives (now we finally figured out why)" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: module: remove warning about waiting module removal. Fix: tracing: use 'E' instead of 'X' for unsigned module taint flag
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由 Helge Deller 提交于
Signed-off-by: NHelge Deller <deller@gmx.de>
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由 John David Anglin 提交于
There are only a couple of architectures that override _STK_LIM_MAX to a non-infinity value. This changes the stack allocation semantics in subtle ways. For example, GNU make changes its stack allocation to the hard maximum defined by _STK_LIM_MAX. As a results, threads executed by processes running under make are allocated a stack size of _STK_LIM_MAX rather than a sensible default value. This causes various thread stress tests to fail when they can't muster more than about 50 threads. The attached change implements the default behavior used by the majority of architectures. Signed-off-by: NJohn David Anglin <dave.anglin@bell.net> Reviewed-by: NCarlos O'Donell <carlos@systemhalted.org> Cc: stable@vger.kernel.org # 3.14 Signed-off-by: NHelge Deller <deller@gmx.de>
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由 Vineet Gupta 提交于
Commit 93ea02bb ("arch: Clean up asm/barrier.h implementations") wired generic barrier.h for hexagon, but failed to delete the existing file. Cc: Richard Kuo <rkuo@codeaurora.org> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: NVineet Gupta <vgupta@synopsys.com> Compile-tested-by: NGuenter Roeck <linux@roeck-us.net> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull perf fixes from Ingo Molnar: "Mostly tooling fixes, plus an Intel RAPL PMU driver fix" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf tests x86: Fix stack map lookup in dwarf unwind test perf x86: Fix perf to use non-executable stack, again perf tools: Remove extra '/' character in events file path perf machine: Search for modules in %s/lib/modules/%s perf tests: Add static build make test perf tools: Fix bfd dependency libraries detection perf tools: Use LDFLAGS instead of ALL_LDFLAGS perf/x86: Fix RAPL rdmsrl_safe() usage tools lib traceevent: Fix memory leak in pretty_print() tools lib traceevent: Fix backward compatibility macros for pevent filter enums perf tools: Disable libdw unwind for all but x86 arch perf tests x86: Fix memory leak in sample_ustack()
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- 01 5月, 2014 7 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging由 Linus Torvalds 提交于
Pull hwmon fix from Guenter Roeck: "Fix Tjmax detection in coretemp driver" * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: Revert "hwmon: (coretemp) Refine TjMax detection"
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由 H. Peter Anvin 提交于
This is simpler and cleaner. Depending on architecture, a smart compiler may or may not generate the same code. Acked-by: NWill Deacon <will.deacon@arm.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kvack.org/~bcrl/aio-fixes由 Linus Torvalds 提交于
Pull aio fixes from Ben LaHaise: "The first change from Anatol fixes a regression where io_destroy() no longer waits for outstanding aios to complete. The second corrects a memory leak in an error path for vectored aio operations. Both of these bug fixes should be queued up for stable as well" * git://git.kvack.org/~bcrl/aio-fixes: aio: fix potential leak in aio_run_iocb(). aio: block io_destroy() until all context requests are completed
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由 Leon Yu 提交于
iovec should be reclaimed whenever caller of rw_copy_check_uvector() returns, but it doesn't hold when failure happens right after aio_setup_vectored_rw(). Fix that in a such way to avoid hairy goto. Signed-off-by: NLeon Yu <chianglungyu@gmail.com> Signed-off-by: NBenjamin LaHaise <bcrl@kvack.org> Cc: stable@vger.kernel.org
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由 Guenter Roeck 提交于
This reverts commit 9fb6c9c7. Tjmax on some Intel CPUs is below 85 degrees C. One known example is L5630 with Tjmax of 71 degrees C. There are other Xeon processors with Tjmax of 70 or 80 degrees C. Also, the Intel IA32 System Programming document states that the temperature target is in bits 23:16 of MSR 0x1a2 (MSR_TEMPERATURE_TARGET), which is 8 bits, not 7. So even if turbostat uses similar checks to validate Tjmax, there is no evidence that the checks are actually required. On the contrary, the checks are known to cause problems and therefore need to be removed. This fixes https://bugzilla.kernel.org/show_bug.cgi?id=75071. Fixes: 9fb6c9c7 hwmon: (coretemp) Refine TjMax detection Reviewed-by: NJean Delvare <jdelvare@suse.de> Cc: stable@vger.kernel.org # 3.14+ Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
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由 Ingo Molnar 提交于
Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf into perf/urgent Pull perf/urgent fixes from Jiri Olsa: * Fix perf to use non-executable stack, again (Mathias Krause) * Remove extra '/' character in events file path (Xia Kaixu) * Search for modules in %s/lib/modules/%s (Richard Yao) * Build related fixies plus static build test (Jiri Olsa) * Fix stack map lookup in dwarf unwind test (Jiri Olsa) Signed-off-by: NJiri Olsa <jolsa@kernel.org> Signed-off-by: NIngo Molnar <mingo@kernel.org>
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由 Paolo Bonzini 提交于
Merge tag 'kvm-arm-for-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master First round of KVM/ARM Fixes for 3.15 Includes vgic fixes, a possible kernel corruption bug due to misalignment of pages and disabling of KVM in KConfig on big-endian systems, because the last one breaks the build.
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- 30 4月, 2014 16 次提交
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由 Vineet Gupta 提交于
There was a very small race window where resume to kernel mode from a Exception Path (or pure kernel mode which is true for most of ARC exceptions anyways), was not disabling interrupts in restore_regs, clobbering the exception regs Anton found the culprit call flow (after many sleepless nights) | 1. we got a Trap from user land | 2. started to service it. | 3. While doing some stuff on user-land memory (I think it is padzero()), | we got a DataTlbMiss | 4. On return from it we are taking "resume_kernel_mode" path | 5. NEED_RESHED is not set, so we go to "return from exception" path in | restore regs. | 6. there seems to be IRQ happening Signed-off-by: NVineet Gupta <vgupta@synopsys.com> Cc: <stable@vger.kernel.org> #3.10, 3.12, 3.13, 3.14 Cc: Anton Kolesov <Anton.Kolesov@synopsys.com> Cc: Francois Bedard <Francois.Bedard@synopsys.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound由 Linus Torvalds 提交于
Pull sound fixes from Takashi Iwai: "A few collections of small eggs that have been gathered during the Easter holidays. Mostly small ASoC fixes, with a HD-audio quirk and a workaround for Nvidia controller" * tag 'sound-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Suppress CORBRP clear on Nvidia controller chips ALSA: hda - add headset mic detect quirk for a Dell laptop ASoC: jz4740: Remove Makefile entry for removed file ASoC: Intel: Fix audio crash due to negative address offset ASoC: dapm: Fix widget double free with auto-disable DAPM kcontrol ASoC: Intel: Fix incorrect sizeof() in sst_hsw_stream_get_volume() ASoC: Intel: some incorrect sizeof() usages ASoC: cs42l73: Convert to use devm_gpio_request_one ASoC: cs42l52: Convert to use devm_gpio_request_one ASoC: tlv320aic31xx: document that the regulators are mandatory ASoC: fsl_spdif: Fix wrong OFFSET of STC_SYSCLK_DIV ASoC: alc5623: Fix regmap endianness ASoC: tlv320aic3x: fix shared reset pin for DT ASoC: rsnd: fix clock prepare/unprepare
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由 Jiri Olsa 提交于
Previous commit 'perf x86: Fix perf to use non-executable stack, again' moved stack map into MAP__VARIABLE map type again. Fixing the dwarf unwind test stack map lookup appropriately. Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Jean Pihet <jean.pihet@linaro.org> Link: http://lkml.kernel.org/n/tip-ttzyhbe4zls24z7ednkmhvxl@git.kernel.orgSigned-off-by: NJiri Olsa <jolsa@kernel.org>
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由 Mathias Krause 提交于
arch/x86/tests/regs_load.S is missing the linker note about the stack requirements, therefore making the linker fall back to an executable stack. As this object gets linked against the final perf binary, it'll needlessly end up with an executable stack. Fix this by adding the appropriate linker note. Also add a global linker flag to prevent future regressions, as suggested by Jiri. This way perf won't get an executable stack even if we fail to add the .GNU-stack linker note to future assembler files. Though, doing so might create regressions the other way around, when (statically) linking against libraries needing an executable stack. But, apparently, regressing in that direction is wanted as it is an indicator of poor code quality -- or just missing linker notes. Fixes: 3c8b06f9 ("perf tests x86: Introduce perf_regs_load function") Signed-off-by: NMathias Krause <minipli@googlemail.com> Acked-by: NIngo Molnar <mingo@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1398617466-22749-1-git-send-email-minipli@googlemail.comSigned-off-by: NJiri Olsa <jolsa@kernel.org>
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由 Xia Kaixu 提交于
The array debugfs_known_mountpoints[] will cause extra '/' character output. Remove it. pre: $ perf probe -l /sys/kernel/debug//tracing/uprobe_events file does not exist - please rebuild kernel with CONFIG_UPROBE_EVENTS. post: $ perf probe -l /sys/kernel/debug/tracing/uprobe_events file does not exist - please rebuild kernel with CONFIG_UPROBE_EVENTS. Signed-off-by: NXia Kaixu <xiakaixu@huawei.com> Acked-by: NNamhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/535B6660.2060001@huawei.comSigned-off-by: NJiri Olsa <jolsa@kernel.org>
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由 Richard Yao 提交于
Modules installed outside of the kernel's build system should go into "%s/lib/modules/%s/extra", but at present, perf will only look at them when they are in "%s/lib/modules/%s/kernel". Lets encourage good citizenship by relaxing this requirement to "%s/lib/modules/%s". This way open source modules that are out-of-tree have no incentive to start populating a directory reserved for in-kernel modules and I can stop hex-editing my system's perf binary when profiling OSS out-of-tree modules. Feedback from Namhyung Kim correctly revealed that the hex-edits that I had been doing meant that perf was also traversing the build and source symlinks in %s/lib/modules/%s. That is undesireable, so we explicitly exclude them from traversal with a minor tweak to the traversal routine. Signed-off-by: NRichard Yao <ryao@gentoo.org> Acked-by: NNamhyung kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/1398532675-13684-1-git-send-email-ryao@gentoo.orgSigned-off-by: NJiri Olsa <jolsa@kernel.org>
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由 Jiri Olsa 提交于
Adding test for building static perf build into the automated suite. Also available via following commands: $ make -f tests/make make_static - make_static: cd . && make -f Makefile DESTDIR=/tmp/tmp.7u5MlB4njo LDFLAGS=-static $ make -f tests/make make_static_O - make_static_O: cd . && make -f Makefile O=/tmp/tmp.Ay6r3wEmtX DESTDIR=/tmp/tmp.vK0KQwO0Vi LDFLAGS=-static Acked-by: NDavid Ahern <dsahern@gmail.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1398760413-7574-1-git-send-email-jolsa@kernel.orgSigned-off-by: NJiri Olsa <jolsa@kernel.org>
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由 Jiri Olsa 提交于
There's false assumption in the library detection code assuming -liberty and -lz are always present once bfd is detected. The fails on Ubuntu (14.04) as reported by Ingo. Forcing the bdf dependency libraries detection any time bfd library is detected. Reported-by: NIngo Molnar <mingo@kernel.org> Tested-by: NIngo Molnar <mingo@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1398676935-6615-1-git-send-email-jolsa@kernel.orgSigned-off-by: NJiri Olsa <jolsa@kernel.org>
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由 Jiri Olsa 提交于
We no longer use ALL_LDFLAGS, Replacing with LDFLAGS. Acked-by: NNamhyung Kim <namhyung@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1398675770-3109-1-git-send-email-jolsa@kernel.orgSigned-off-by: NJiri Olsa <jolsa@kernel.org>
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git://people.freedesktop.org/~airlied/linux由 Linus Torvalds 提交于
Pull drm fixes from Dave Airlie: "Smattering of fixes, i915, exynos, tegra, msm, vmwgfx. A bit of framebuffer reference counting fallout fixes, i915 GM45 regression fix, DVI regression fix, vmware info leak between processes fix" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/exynos: use %pad for dma_addr_t drm/exynos: dsi: use IS_ERR() to check devm_ioremap_resource() results MAINTAINERS: update maintainer entry for Exynos DP driver drm/exynos: balance framebuffer refcount drm/i915: Move all ring resets before setting the HWS page drm/i915: Don't WARN nor handle unexpected hpd interrupts on gmch platforms drm/msm/mdp4: cure for the cursor blues (v2) drm/msm: default to XR24 rather than AR24 drm/msm: fix memory leak drm/tegra: restrict plane loops to legacy planes drm/i915: Allow full PPGTT with param override drm/i915: Discard BIOS framebuffers too small to accommodate chosen mode drm/vmwgfx: Make sure user-space can't DMA across buffer object boundaries v2 drm/i915: get power domain in case the BIOS enabled eDP VDD drm/i915: Don't check gmch state on inherited configs drm/i915: Allow user modes to exceed DVI 165MHz limit
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由 Jingoo Han 提交于
Use %pad for dma_addr_t, because a dma_addr_t type can vary based on build options. So, it prevents possible build warnings in printks. Signed-off-by: NJingoo Han <jg1.han@samsung.com> Reviewed-by: NDaniel Kurtz <djkurtz@chromium.org> Signed-off-by: NInki Dae <inki.dae@samsung.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Jingoo Han 提交于
devm_ioremap_resource() returns an error pointer, not NULL. Thus, the result should be checked with IS_ERR(). Signed-off-by: NJingoo Han <jg1.han@samsung.com> Signed-off-by: NInki Dae <inki.dae@samsung.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Jingoo Han 提交于
Recently, Exynos DP driver was moved from drivers/video/exynos/ directory to drivers/gpu/drm/exynos/ directory. So, I update and add maintainer entry for Exynos DP driver. Signed-off-by: NJingoo Han <jg1.han@samsung.com> Signed-off-by: NInki Dae <inki.dae@samsung.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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由 Andrzej Hajda 提交于
exynos_drm_crtc_mode_set assigns primary framebuffer to plane without taking reference. Then during framebuffer removal it is dereferenced twice, causing oops. The patch fixes it. Signed-off-by: NAndrzej Hajda <a.hajda@samsung.com> Signed-off-by: NInki Dae <inki.dae@samsung.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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git://people.freedesktop.org/~thomash/linux由 Dave Airlie 提交于
single security fix, cc'd stable. * 'vmwgfx-fixes-3.15' of git://people.freedesktop.org/~thomash/linux: drm/vmwgfx: Make sure user-space can't DMA across buffer object boundaries v2
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由 Takashi Iwai 提交于
The recent commit (ca460f86) changed the CORB RP reset procedure to follow the specification with a couple of sanity checks. Unfortunately, Nvidia controller chips seem not following this way, and spew the warning messages like: snd_hda_intel 0000:00:10.1: CORB reset timeout#1, CORBRP = 0 This patch adds the workaround for such chips. It just skips the new reset procedure for the known broken chips. Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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- 29 4月, 2014 3 次提交
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由 Mike Snitzer 提交于
Use INIT_WORK_ONSTACK to silence "ODEBUG: object is on stack, but not annotated". Reported-by: NZdeněk Kabeláč <zkabelac@redhat.com> Signed-off-by: NMike Snitzer <snitzer@redhat.com> Acked-by: NJoe Thornber <ejt@redhat.com>
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由 Grant Likely 提交于
When the kernel is built with CONFIG_PREEMPT it is possible to reach a state when all modules loaded but some driver still stuck in the deferred list and there is a need for external event to kick the deferred queue to probe these drivers. The issue has been observed on embedded systems with CONFIG_PREEMPT enabled, audio support built as modules and using nfsroot for root filesystem. The following log fragment shows such sequence when all audio modules were loaded but the sound card is not present since the machine driver has failed to probe due to missing dependency during it's probe. The board is am335x-evmsk (McASP<->tlv320aic3106 codec) with davinci-evm machine driver: ... [ 12.615118] davinci-mcasp 4803c000.mcasp: davinci_mcasp_probe: ENTER [ 12.719969] davinci_evm sound.3: davinci_evm_probe: ENTER [ 12.725753] davinci_evm sound.3: davinci_evm_probe: snd_soc_register_card [ 12.753846] davinci-mcasp 4803c000.mcasp: davinci_mcasp_probe: snd_soc_register_component [ 12.922051] davinci-mcasp 4803c000.mcasp: davinci_mcasp_probe: snd_soc_register_component DONE [ 12.950839] davinci_evm sound.3: ASoC: platform (null) not registered [ 12.957898] davinci_evm sound.3: davinci_evm_probe: snd_soc_register_card DONE (-517) [ 13.099026] davinci-mcasp 4803c000.mcasp: Kicking the deferred list [ 13.177838] davinci-mcasp 4803c000.mcasp: really_probe: probe_count = 2 [ 13.194130] davinci_evm sound.3: snd_soc_register_card failed (-517) [ 13.346755] davinci_mcasp_driver_init: LEAVE [ 13.377446] platform sound.3: Driver davinci_evm requests probe deferral [ 13.592527] platform sound.3: really_probe: probe_count = 0 In the log the machine driver enters it's probe at 12.719969 (this point it has been removed from the deferred lists). McASP driver already executing it's probing (since 12.615118). The machine driver tries to construct the sound card (12.950839) but did not found one of the components so it fails. After this McASP driver registers all the ASoC components (the machine driver still in it's probe function after it failed to construct the card) and the deferred work is prepared at 13.099026 (note that this time the machine driver is not in the lists so it is not going to be handled when the work is executing). Lastly the machine driver exit from it's probe and the core places it to the deferred list but there will be no other driver going to load and the deferred queue is not going to be kicked again - till we have external event like connecting USB stick, etc. The proposed solution is to try the deferred queue once more when the last driver is asking for deferring and we had drivers loaded while this last driver was probing. This way we can avoid drivers stuck in the deferred queue. Signed-off-by: NGrant Likely <grant.likely@linaro.org> Reviewed-by: NPeter Ujfalusi <peter.ujfalusi@ti.com> Tested-by: NPeter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Mark Brown <broonie@kernel.org> Cc: Stable <stable@vger.kernel.org> # v3.4+
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由 Haibin Wang 提交于
Currently below check in vgic_ioaddr_overlap will always succeed, because the vgic dist base and vgic cpu base are still kept UNDEF after initialization. The code as follows will be return forever. if (IS_VGIC_ADDR_UNDEF(dist) || IS_VGIC_ADDR_UNDEF(cpu)) return 0; So, before invoking the vgic_ioaddr_overlap, it needs to set the corresponding base address firstly. Signed-off-by: NHaibin Wang <wanghaibin.wang@huawei.com> Acked-by: NMarc Zyngier <marc.zyngier@arm.com> Signed-off-by: NChristoffer Dall <christoffer.dall@linaro.org>
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