- 05 10月, 2013 2 次提交
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由 Namhyung Kim 提交于
The commit acf28922 ("perf stat: Use perf_evlist__prepare/ start_workload()") converted to use the function but forgot to update child_pid. Fix it. Signed-off-by: NNamhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1380531671-28076-1-git-send-email-namhyung@kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
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由 David Ahern 提交于
Commands that do not implement an mmap2 handler should at least not die with a segfault when processing files with MMAP2 events. Signed-off-by: NDavid Ahern <dsahern@gmail.com> Link: http://lkml.kernel.org/r/1379900700-5186-5-git-send-email-dsahern@gmail.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
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- 04 10月, 2013 2 次提交
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由 Peter Zijlstra 提交于
Currently the cap_user_time_zero capability has different tests than cap_user_time; even though they expose the exact same data. Switch from CONSTANT && NONSTOP to sched_clock_stable to also deal with multi cabinet machines and drop the tsc_disabled() check.. non of this will work sanely without tsc anyway. Signed-off-by: NPeter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-nmgn0j0muo1r4c94vlfh23xy@git.kernel.orgSigned-off-by: NIngo Molnar <mingo@kernel.org>
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由 Peter Zijlstra 提交于
While auditing the list_entry usage due to a trinity bug I found that perf_pmu_migrate_context violates the rules for perf_event::event_entry. The problem is that perf_event::event_entry is a RCU list element, and hence we must wait for a full RCU grace period before re-using the element after deletion. Therefore the usage in perf_pmu_migrate_context() which re-uses the entry immediately is broken. For now introduce another list_head into perf_event for this specific usage. This doesn't actually fix the trinity report because that never goes through this code. Signed-off-by: NPeter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-mkj72lxagw1z8fvjm648iznw@git.kernel.orgSigned-off-by: NIngo Molnar <mingo@kernel.org>
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- 30 9月, 2013 2 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull perf revert from Ingo Molnar: "This fixes the 'perf top' regression Markus Trippelsdorf reported" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: Revert "perf symbols: Demangle cloned functions"
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git://people.freedesktop.org/~airlied/linux由 Linus Torvalds 提交于
Pull drm fixes from Dave Airlie: "Nothing too major, radeon still has some dpm changes for off by default. Radeon, intel, msm: - radeon: a few more dpm fixes (still off by default), uvd fixes - i915: runtime warn backtrace and regression fix - msm: iommu changes fallout" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (27 commits) drm/msm: use drm_gem_dumb_destroy helper drm/msm: deal with mach/iommu.h removal drm/msm: Remove iommu include from mdp4_kms.c drm/msm: Odd PTR_ERR usage drm/i915: Fix up usage of SHRINK_STOP drm/radeon: fix hdmi audio on DCE3.0/3.1 asics drm/i915: preserve pipe A quirk in i9xx_set_pipeconf drm/i915/tv: clear adjusted_mode.flags drm/i915/dp: increase i2c-over-aux retry interval on AUX DEFER drm/radeon/cik: fix overflow in vram fetch drm/radeon: add missing hdmi callbacks for rv6xx drm/i915: Use a temporary va_list for two-pass string handling drm/radeon/uvd: lower msg&fb buffer requirements on UVD3 drm/radeon: disable tests/benchmarks if accel is disabled drm/radeon: don't set default clocks for SI when DPM is disabled drm/radeon/dpm/ci: filter clocks based on voltage/clk dep tables drm/radeon/dpm/si: filter clocks based on voltage/clk dep tables drm/radeon/dpm/ni: filter clocks based on voltage/clk dep tables drm/radeon/dpm/btc: filter clocks based on voltage/clk dep tables drm/radeon/dpm: fetch the max clk from voltage dep tables helper ...
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- 29 9月, 2013 12 次提交
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由 Ingo Molnar 提交于
This reverts commit de95ab53. Markus Trippelsdorf reported that this commit broke 'perf top': > I just see a gray screen with no text at all. Sometimes the > following error messages are printed: > > *** Error in `perf': invalid fastbin entry (free): 0x00000000029b18c0 > *** > *** Error in `perf': malloc(): memory corruption (fast): 0x0000000000ee0b10 *** While this code is fixable, the commit itself fails on several levels: - it should have been a separate helper function - why the heck does it do strchr() twice - it casts a const char * over into char * - sloppy style - it's not even a regression fix! So lets revert it and re-try the patch in v3.13. Reported-by: NMarkus Trippelsdorf <markus@trippelsdorf.de> Cc: Andi Kleen <ak@linux.intel.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: NIngo Molnar <mingo@kernel.org>
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git://people.freedesktop.org/~robclark/linux由 Dave Airlie 提交于
A small fix + deal with fallout of iommu changes + use new drm_gem_dumb_destroy helper. * 'msm-fixes-3.12-rc2' of git://people.freedesktop.org/~robclark/linux: drm/msm: use drm_gem_dumb_destroy helper drm/msm: deal with mach/iommu.h removal drm/msm: Remove iommu include from mdp4_kms.c drm/msm: Odd PTR_ERR usage
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由 Linus Torvalds 提交于
Merge branches 'sched-urgent-for-linus', 'timers-urgent-for-linus' and 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler, timer and x86 fixes from Ingo Molnar: - A context tracking ARM build and functional fix - A handful of ARM clocksource/clockevent driver fixes - An AMD microcode patch level sysfs reporting fixlet * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: arm: Fix build error with context tracking calls * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource: em_sti: Set cpu_possible_mask to fix SMP broadcast clocksource: of: Respect device tree node status clocksource: exynos_mct: Set IRQ affinity when the CPU goes online arm: clocksource: mvebu: Use the main timer as clock source from DT * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/microcode/AMD: Fix patch level reporting for family 15h
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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: "A couple of tooling fixlets and a PMU detection printout fix" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86: Fix PMU detection printout when no PMU is detected perf symbols: Demangle cloned functions perf machine: Fix path unpopulated in machine__create_modules() perf tools: Explicitly add libdl dependency perf probe: Fix probing symbols with optimization suffix perf trace: Add mmap2 handler perf kmem: Make it work again on non NUMA machines
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git://oss.sgi.com/xfs/xfs由 Linus Torvalds 提交于
Pull xfs bugfixes from Ben Myers: - fix for directory node collapse regression - fix for recovery over stale on disk structures - fix for eofblocks ioctl - fix asserts in xfs_inode_free - lock the ail before removing an item from it * tag 'xfs-for-linus-v3.12-rc3' of git://oss.sgi.com/xfs/xfs: xfs: fix node forward in xfs_node_toosmall xfs: log recovery lsn ordering needs uuid check xfs: fix XFS_IOC_FREE_EOFBLOCKS definition xfs: asserting lock not held during freeing not valid xfs: lock the AIL before removing the buffer item
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux由 Linus Torvalds 提交于
Pull i2c fixes from Wolfram Sang: "Some driver bugfixes for the I2C subsystem" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: ismt: initialize DMA buffer i2c: designware: 10-bit addressing mode enabling if I2C_DYNAMIC_TAR_UPDATE is set i2c: mv64xxx: Do not use writel_relaxed() i2c: mv64xxx: Fix some build warnings i2c: s3c2410: fix clk_disable/clk_unprepare WARNings
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm由 Linus Torvalds 提交于
Pull ACPI and power management fixes from Rafael Wysocki: "These fix one recent cpufreq regression, a few older bugs that may harm users and a kerneldoc typo. Specifics: 1) After the recent locking changes in the cpufreq core it is possible to trigger BUG_ON(!policy) in lock_policy_rwsem_read() if cpufreq_get() is called before registering a cpufreq driver. Fix from Viresh Kumar. 2) If intel_pstate has been loaded already, it doesn't make sense to do anything in acpi_cpufreq_init() and moreover doing something in there in that case may be harmful, so make that function return immediately if another cpufreq driver is already present. From Yinghai Lu. 3) The ACPI IPMI driver sometimes attempts to acquire a mutex from interrupt context, which can be avoided by replacing that mutex with a spinlock. From Lv Zheng. 4) A NULL pointer may be dereferenced by the exynos5440 cpufreq driver if a memory allocation made by it fails. Fix from Sachin Kamat. 5) Hanjun Guo's commit fixes a typo in the kerneldoc comment documenting acpi_bus_unregister_driver()" * tag 'pm+acpi-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / scan: fix typo in comments of acpi_bus_unregister_driver() cpufreq: exynos5440: Fix potential NULL pointer dereference cpufreq: check cpufreq driver is valid and cpufreq isn't disabled in cpufreq_get() acpi-cpufreq: skip loading acpi_cpufreq after intel_pstate ACPI / IPMI: Fix atomic context requirement of ipmi_msg_handler()
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由 Yinghai Lu 提交于
Ben Herrenschmidt found that commit 928bea96 ("PCI: Delay enabling bridges until they're needed") breaks PCI in some powerpc environments. The reason is that the PCIe port driver will call pci_enable_device() on the bridge, so the device is enabled, but skips pci_set_master because pcie_port_auto and no acpi on powerpc. Because of that, pci_enable_bridge() later on (called as a result of the child device driver doing pci_enable_device) will see the bridge as already enabled and will not call pci_set_master() on it. Fixed by add checking in pci_enable_bridge, and call pci_set_master if driver skip that. That will make the code more robot and wade off problem for missing pci_set_master in drivers. Reported-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NYinghai Lu <yinghai@kernel.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux由 Linus Torvalds 提交于
Pull s390 lockref enablement from Heiko Carstens: "Enabling the new lockless lockref variant on s390 would have been trivial until Tony Luck added a cpu_relax() call into the CMPXCHG_LOOP(), with commit d472d9d9 ("lockref: Relax in cmpxchg loop") As already mentioned cpu_relax() is very expensive on s390 since it yields() the current virtual cpu. So we are talking of several thousand cycles. Considering this enabling the lockless lockref variant would contradict the intention of the new semantics. And also some quick measurements show performance regressions of 50% and more. Simply removing the cpu_relax() call again seems also not very desireable since Waiman Long reported that for some workloads the call improved performance by 5%." * 'lockref' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390: enable ARCH_USE_CMPXCHG_LOCKREF lockref: use arch_mutex_cpu_relax() in CMPXCHG_LOOP() mutex: replace CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX with simple ifdef
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由 Jean Delvare 提交于
Commit 6072ddc8 ("kernel: replace strict_strto*() with kstrto*()") broke the handling of signed integer types, fix it. Signed-off-by: NJean Delvare <khali@linux-fr.org> Reported-by: NChristian Kujau <lists@nerdbynature.de> Tested-by: NChristian Kujau <lists@nerdbynature.de> Cc: Jingoo Han <jg1.han@samsung.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux由 Linus Torvalds 提交于
Pull DeviceTree fixes from Rob Herring: "Clean-up to fix some warnings for !OF builds and spelling fixes in docs: - Clean-up openrisc prom.h - Fix warnings caused by of_irq.h ifdefs - Spelling fix for Synopsys" * tag 'devicetree-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: dts: Fix misspelling of Synopsys of: clean-up ifdefs in of_irq.h openrisc: clean-up prom.h
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git://git.linaro.org/people/rmk/linux-arm由 Linus Torvalds 提交于
Pull ARM fixes from Russell King: "Just a few relatively small ARM fixes found since the last merge window, nothing too exciting" * 'fixes' of git://git.linaro.org/people/rmk/linux-arm: ARM: 7837/3: fix Thumb-2 bug in AES assembler code ARM: only allow kernel mode neon with AEABI ARM: 7839/1: entry: fix tracing of ARM-private syscalls ARM: 7836/1: add __get_user_unaligned/__put_user_unaligned
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- 28 9月, 2013 22 次提交
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由 James Ralston 提交于
This patch adds code to initialize the DMA buffer to compensate for possible hardware data corruption. Signed-off-by: NJames Ralston <james.d.ralston@intel.com> [wsa: changed to use 'sizeof'] Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Rob Clark 提交于
Signed-off-by: NRob Clark <robdclark@gmail.com>
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由 Rob Clark 提交于
We still need an API exported by msm iommu driver (but not visible in any public header anymore). For now, just declare the prototype ourselves, but when msm iommu driver provides a better option, use that instead. Signed-off-by: NRob Clark <robdclark@gmail.com>
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由 Ingo Molnar 提交于
Ran into this cryptic PMU bootup log recently: [ 0.124047] Performance Events: [ 0.125000] smpboot: ... Turns out we print this if no PMU is detected. Fall back to the right condition so that the following is printed: [ 0.122381] Performance Events: no PMU driver, software events only. Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Link: http://lkml.kernel.org/n/tip-u2fwaUffakjp0qkpRfqljgsn@git.kernel.orgSigned-off-by: NIngo Molnar <mingo@kernel.org>
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由 Joerg Roedel 提交于
The include file has been removed and the file does not need it anyway, so remove it. Fixes a compile error. Signed-off-by: NJoerg Roedel <joro@8bytes.org> Signed-off-by: NRob Clark <robdclark@gmail.com>
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由 Thomas Meyer 提交于
The variable priv->kms is not initialized yet. Found by "scripts/coccinelle/tests/odd_ptr_err.cocci". PTR_ERR should access the value just tested by IS_ERR. Signed-off-by: NThomas Meyer <thomas@m3y3r.de>
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由 Heiko Carstens 提交于
Enable ARCH_USE_CMPXCHG_LOCKREF since it shows performance improvements with Linus' simple stat() test case of up to 50% on a 30 cpu system. Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
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由 Heiko Carstens 提交于
Make use of arch_mutex_cpu_relax() so architectures can override the default cpu_relax() semantics. This is especially useful for s390, where cpu_relax() means that we yield() the current (virtual) cpu and therefore is very expensive, and would contradict the whole purpose of the lockless cmpxchg loop. Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
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由 Heiko Carstens 提交于
Linus suggested to replace #ifndef CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX #define arch_mutex_cpu_relax() cpu_relax() #endif with just a simple #ifndef arch_mutex_cpu_relax # define arch_mutex_cpu_relax() cpu_relax() #endif to get rid of CONFIG_HAVE_CPU_RELAX_SIMPLE. So architectures can simply define arch_mutex_cpu_relax if they want an architecture specific function instead of having to add a select statement in their Kconfig in addition. Suggested-by: NLinus Torvalds <torvalds@linux-foundation.org> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
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由 Ingo Molnar 提交于
Merge branch 'context_tracking/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks into sched/urgent Pull context tracking ARM fix from Frederic Weisbecker. Signed-off-by: NIngo Molnar <mingo@kernel.org>
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git://people.freedesktop.org/~agd5f/linux由 Dave Airlie 提交于
More radeon fixes for 3.12. Kind of all over the place: UVD, DPM, tiling, etc. * 'drm-fixes-3.12' of git://people.freedesktop.org/~agd5f/linux: drm/radeon: fix hdmi audio on DCE3.0/3.1 asics drm/radeon/cik: fix overflow in vram fetch drm/radeon: add missing hdmi callbacks for rv6xx drm/radeon/uvd: lower msg&fb buffer requirements on UVD3 drm/radeon: disable tests/benchmarks if accel is disabled drm/radeon: don't set default clocks for SI when DPM is disabled drm/radeon/dpm/ci: filter clocks based on voltage/clk dep tables drm/radeon/dpm/si: filter clocks based on voltage/clk dep tables drm/radeon/dpm/ni: filter clocks based on voltage/clk dep tables drm/radeon/dpm/btc: filter clocks based on voltage/clk dep tables drm/radeon/dpm: fetch the max clk from voltage dep tables helper drm/radeon: fix missed variable sized access drm/radeon: Make r100_cp_ring_info() and radeon_ring_gfx() safe (v2) drm/radeon/cik: Add tiling mode index for 1D tiled depth/stencil surfaces drm/radeon/cik: Fix encoding of number of banks in tiling configuration info drm/radeon/cik: Fix printing of client name on VM protection fault drm/radeon: additional gcc fixes for radeon_atombios.c drm/radeon: avoid UVD corruption on AGP cards using GPU gart
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由 Dave Airlie 提交于
Merge tag 'drm-intel-fixes-2013-09-26' of git://people.freedesktop.org/~danvet/drm-intel into drm-fixes Just a few fixes for regressions and other serious stuff. Two fix state tracking mismatches, together with an additional patch that I've submitted to stable (somehow forgotten to tag it) we should have them fixed now (I hope). * tag 'drm-intel-fixes-2013-09-26' of git://people.freedesktop.org/~danvet/drm-intel: drm/i915: Fix up usage of SHRINK_STOP drm/i915: preserve pipe A quirk in i9xx_set_pipeconf drm/i915/tv: clear adjusted_mode.flags drm/i915/dp: increase i2c-over-aux retry interval on AUX DEFER drm/i915: Use a temporary va_list for two-pass string handling
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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 potential crash condition in applesmc driver" * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (applesmc) Check key count before proceeding
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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: "Nothing too serious here: a couple of compress-offload core fixes, Haswell HDMI audio fix, a fixup for new MacBook Airs and a few COEF setups for ALC283 mic problems" * tag 'sound-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Enable internal mic on a Thinkpad machine with ALC283 ALSA: hda - Fix Internal Mic boost can't control with ALC283 ALSA: hda - Add documentation for CS4208 fixups ALSA: hda - Add fixup for MacBook Air 6,1 and 6,2 with CS4208 codec ALSA : hda - not use assigned converters for all unused pins ALSA: compress: Make sure we trigger STOP before closing the stream. ALSA: compress: Fix compress device unregister.
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux由 Linus Torvalds 提交于
Pull fbdev fixes from Tomi Valkeinen: "Small fbdev fixes for various fb drivers" * tag 'fbdev-fixes-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: video: mxsfb: Add missing break video: of: display_timing: correct display-timings node finding neofb: fix error return code in neofb_probe() s3fb: fix error return code in s3_pci_probe() video: mmp: drop needless devm cleanup OMAPDSS: Add missing dependency on backlight for DSI-CM panel drier OMAPDSS: DISPC: set irq_safe for runtime PM OMAPDSS: Return right error during connector probe
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs由 Linus Torvalds 提交于
Pull reiserfs and UDF fixes from Jan Kara: "The contains fix of an UDF oops when mounting corrupted media and a fix of a race in reiserfs leading to oops" * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: reiserfs: fix race with flush_used_journal_lists and flush_journal_list reiserfs: remove useless flush_old_journal_lists udf: Fortify LVID loading
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由 Eric W. Biederman 提交于
In kobj_ns_current_may_mount the default should be to allow the mount. The test is only for a single kobj_ns_type at a time, and unless there is a reason to prevent it the mounting sysfs should be allowed. Subsystems that are not registered can't have are not involved so can't have a reason to prevent mounting sysfs. This is a bug-fix to commit 7dc5dbc8 ("sysfs: Restrict mounting sysfs") that came in via the userns tree during the 3.12 merge window. Reported-and-tested-by: NJames Hogan <james.hogan@imgtec.com> Signed-off-by: N"Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Will Deacon 提交于
The 64-bit cmpxchg operation on the lockref is ordered by virtue of hazarding between the cmpxchg operation and the reference count manipulation. On weakly ordered memory architectures (such as ARM), it can be of great benefit to omit the barrier instructions where they are not needed. This patch moves the lockless lockref code over to a cmpxchg64_relaxed operation, which doesn't provide barrier semantics. If the operation isn't defined, we simply #define it as the usual 64-bit cmpxchg macro. Cc: Waiman Long <Waiman.Long@hp.com> Signed-off-by: NWill Deacon <will.deacon@arm.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Chew, Chiau Ee 提交于
According to Designware I2C spec, if I2C_DYNAMIC_TAR_UPDATE is set to 1, the 10-bit addressing mode is controlled by IC_10BITADDR_MASTER bit of IC_TAR register instead of IC_CON register. The IC_10BITADDR_MASTER in IC_CON register becomes read-only copy. Since I2C_DYNAMIC_TAR_UPDATE value can't be detected from hardware register, so we will always set the IC_10BITADDR_MASTER bit in both IC_CON and IC_TAR register whenever 10-bit addresing mode is requested by user application. Signed-off-by: NChew, Chiau Ee <chiau.ee.chew@intel.com> Reviewed-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Thierry Reding 提交于
The driver is used on PowerPC which don't provide writel_relaxed(). This breaks the c2k and prpmc2800 default configurations. To fix the build, turn the calls to writel_relaxed() into writel(). The impacts for ARM should be minimal. Signed-off-by: NThierry Reding <treding@nvidia.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Thierry Reding 提交于
Some functions and variables are only used if the configuration selects HAVE_CLK. Protect them with a corresponding #ifdef CONFIG_HAVE_CLK block to avoid compiler warnings. Signed-off-by: NThierry Reding <treding@nvidia.com> [wsa: added marker to #endif] Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Kim Phillips 提交于
commit d16933b3 "i2c: s3c2410: Move location of clk_prepare_enable() call in probe function" refactored clk_enable and clk_disable calls yet neglected to remove the clk_disable_unprepare call in the module's remove(). It helps remove warnings on an arndale during unbind: echo 12c90000.i2c > /sys/bus/platform/devices/12c90000.i2c/driver/unbind ------------[ cut here ]------------ WARNING: CPU: 0 PID: 2548 at drivers/clk/clk.c:842 clk_disable+0x18/0x24() Modules linked in: CPU: 0 PID: 2548 Comm: bash Not tainted 3.11.0-next-20130916-00003-gf4bddbc #6 [<c0014d48>] (unwind_backtrace+0x0/0xf8) from [<c00117d0>] (show_stack+0x10/0x14) [<c00117d0>] (show_stack+0x10/0x14) from [<c0361be8>] (dump_stack+0x6c/0xac) [<c0361be8>] (dump_stack+0x6c/0xac) from [<c001d864>] (warn_slowpath_common+0x64/0x88) [<c001d864>] (warn_slowpath_common+0x64/0x88) from [<c001d8a4>] (warn_slowpath_null+0x1c/0x24) [<c001d8a4>] (warn_slowpath_null+0x1c/0x24) from [<c02c4a64>] (clk_disable+0x18/0x24) [<c02c4a64>] (clk_disable+0x18/0x24) from [<c028d0b0>] (s3c24xx_i2c_remove+0x28/0x70) [<c028d0b0>] (s3c24xx_i2c_remove+0x28/0x70) from [<c0217a10>] (platform_drv_remove+0x18/0x1c) [<c0217a10>] (platform_drv_remove+0x18/0x1c) from [<c0216358>] (__device_release_driver+0x58/0xb4) [<c0216358>] (__device_release_driver+0x58/0xb4) from [<c02163d0>] (device_release_driver+0x1c/0x28) [<c02163d0>] (device_release_driver+0x1c/0x28) from [<c02153c0>] (unbind_store+0x58/0x90) [<c02153c0>] (unbind_store+0x58/0x90) from [<c0214c90>] (drv_attr_store+0x20/0x2c) [<c0214c90>] (drv_attr_store+0x20/0x2c) from [<c01032c0>] (sysfs_write_file+0x168/0x198) [<c01032c0>] (sysfs_write_file+0x168/0x198) from [<c00ae1c0>] (vfs_write+0xb0/0x194) [<c00ae1c0>] (vfs_write+0xb0/0x194) from [<c00ae594>] (SyS_write+0x3c/0x70) [<c00ae594>] (SyS_write+0x3c/0x70) from [<c000e3e0>] (ret_fast_syscall+0x0/0x30) ---[ end trace 4c9f9403066f57a6 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 2548 at drivers/clk/clk.c:751 clk_unprepare+0x14/0x1c() Modules linked in: CPU: 0 PID: 2548 Comm: bash Tainted: G W 3.11.0-next-20130916-00003-gf4bddbc #6 [<c0014d48>] (unwind_backtrace+0x0/0xf8) from [<c00117d0>] (show_stack+0x10/0x14) [<c00117d0>] (show_stack+0x10/0x14) from [<c0361be8>] (dump_stack+0x6c/0xac) [<c0361be8>] (dump_stack+0x6c/0xac) from [<c001d864>] (warn_slowpath_common+0x64/0x88) [<c001d864>] (warn_slowpath_common+0x64/0x88) from [<c001d8a4>] (warn_slowpath_null+0x1c/0x24) [<c001d8a4>] (warn_slowpath_null+0x1c/0x24) from [<c02c5834>] (clk_unprepare+0x14/0x1c) [<c02c5834>] (clk_unprepare+0x14/0x1c) from [<c028d0b8>] (s3c24xx_i2c_remove+0x30/0x70) [<c028d0b8>] (s3c24xx_i2c_remove+0x30/0x70) from [<c0217a10>] (platform_drv_remove+0x18/0x1c) [<c0217a10>] (platform_drv_remove+0x18/0x1c) from [<c0216358>] (__device_release_driver+0x58/0xb4) [<c0216358>] (__device_release_driver+0x58/0xb4) from [<c02163d0>] (device_release_driver+0x1c/0x28) [<c02163d0>] (device_release_driver+0x1c/0x28) from [<c02153c0>] (unbind_store+0x58/0x90) [<c02153c0>] (unbind_store+0x58/0x90) from [<c0214c90>] (drv_attr_store+0x20/0x2c) [<c0214c90>] (drv_attr_store+0x20/0x2c) from [<c01032c0>] (sysfs_write_file+0x168/0x198) [<c01032c0>] (sysfs_write_file+0x168/0x198) from [<c00ae1c0>] (vfs_write+0xb0/0x194) [<c00ae1c0>] (vfs_write+0xb0/0x194) from [<c00ae594>] (SyS_write+0x3c/0x70) [<c00ae594>] (SyS_write+0x3c/0x70) from [<c000e3e0>] (ret_fast_syscall+0x0/0x30) ---[ end trace 4c9f9403066f57a7 ]--- Signed-off-by: NKim Phillips <kim.phillips@linaro.org> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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