- 31 7月, 2012 1 次提交
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由 Jonathan Brassow 提交于
MD RAID10: Fix compiler warning. Initialize variable to prevent compiler warning. Signed-off-by: NJonathan Brassow <jbrassow@redhat.com> Signed-off-by: NNeilBrown <neilb@suse.de>
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- 19 7月, 2012 7 次提交
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由 Shaohua Li 提交于
Add a per-stripe lock to protect stripe specific data. The purpose is to reduce lock contention of conf->device_lock. stripe ->toread, ->towrite are protected by per-stripe lock. Accessing bio list of the stripe is always serialized by this lock, so adding bio to the lists (add_stripe_bio()) and removing bio from the lists (like ops_run_biofill()) not race. If bio in ->read, ->written ... list are not shared by multiple stripes, we don't need any lock to protect ->read, ->written, because STRIPE_ACTIVE will protect them. If the bio are shared, there are two protections: 1. bi_phys_segments acts as a reference count 2. traverse the list uses r5_next_bio, which makes traverse never access bio not belonging to the stripe Let's have an example: | stripe1 | stripe2 | stripe3 | ...bio1......|bio2|bio3|....bio4..... stripe2 has 4 bios, when it's finished, it will decrement bi_phys_segments for all bios, but only end_bio for bio2 and bio3. bio1->bi_next still points to bio2, but this doesn't matter. When stripe1 is finished, it will not touch bio2 because of r5_next_bio check. Next time stripe1 will end_bio for bio1 and stripe3 will end_bio bio4. before add_stripe_bio() addes a bio to a stripe, we already increament the bio bi_phys_segments, so don't worry other stripes release the bio. Signed-off-by: NShaohua Li <shli@fusionio.com> Signed-off-by: NNeilBrown <neilb@suse.de>
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由 Shaohua Li 提交于
Neil pointed out the bitmap write optimization in handle_stripe_clean_event() is unnecessary, because the chance one stripe gets written twice in the mean time is rare. We can always do a bitmap_startwrite when a write request is added to a stripe and bitmap_endwrite after write request is done. Delete the optimization. With it, we can delete some cases of device_lock. Signed-off-by: NShaohua Li <shli@fusionio.com> Signed-off-by: NNeilBrown <neilb@suse.de>
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由 Shaohua Li 提交于
Raid5 overrides bio->bi_phys_segments, accessing it is with device_lock hold, which is unnecessary, We can make it lockless actually. Signed-off-by: NShaohua Li <shli@fusionio.com> Signed-off-by: NNeilBrown <neilb@suse.de>
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由 Shaohua Li 提交于
release_stripe() is a place conf->device_lock is heavily contended. We take the lock even stripe count isn't 1, which isn't required. Signed-off-by: NShaohua Li <shli@fusionio.com> Signed-off-by: NNeilBrown <neilb@suse.de>
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由 NeilBrown 提交于
commit 4367af55 md/raid1: clear bad-block record when write succeeds. Added a 'reschedule_retry' call possibility at the end of end_sync_write, but didn't add matching code at the end of sync_request_write. So if the writes complete very quickly, or scheduling makes it seem that way, then we can miss rescheduling the request and the resync could hang. Also commit 73d5c38a md: avoid races when stopping resync. Fix a race condition in this same code in end_sync_write but didn't make the change in sync_request_write. This patch updates sync_request_write to fix both of those. Patch is suitable for 3.1 and later kernels. Reported-by: NAlexander Lyakas <alex.bolshoy@gmail.com> Original-version-by: NAlexander Lyakas <alex.bolshoy@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: NNeilBrown <neilb@suse.de>
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由 NeilBrown 提交于
md will refuse to stop an array if any other fd (or mounted fs) is using it. When any fs is unmounted of when the last open fd is closed all pending IO will be flushed (e.g. sync_blockdev call in __blkdev_put) so there will be no pending IO to worry about when the array is stopped. However in order to send the STOP_ARRAY ioctl to stop the array one must first get and open fd on the block device. If some fd is being used to write to the block device and it is closed after mdadm open the block device, but before mdadm issues the STOP_ARRAY ioctl, then there will be no last-close on the md device so __blkdev_put will not call sync_blockdev. If this happens, then IO can still be in-flight while md tears down the array and bad things can happen (use-after-free and subsequent havoc). So in the case where do_md_stop is being called from an open file descriptor, call sync_block after taking the mutex to ensure there will be no new openers. This is needed when setting a read-write device to read-only too. Cc: stable@vger.kernel.org Reported-by: Nmajianpeng <majianpeng@gmail.com> Signed-off-by: NNeilBrown <neilb@suse.de>
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由 NeilBrown 提交于
commit c6563a8c md: add possibility to change data-offset for devices. introduced a 'new_data_offset' attribute which should normally be the same as 'data_offset', but can be explicitly set to a different value to allow a reshape operation to move the data. Unfortunately when the 'data_offset' is explicitly set through sysfs, the new_data_offset is not also set, so the two would become out-of-sync incorrectly. One result of this is that trying to set the 'size' after the 'data_offset' would fail because it is not permitted to set the size when the 'data_offset' and 'new_data_offset' are different - as that can be confusing. Consequently when mdadm tried to do this while assembling an IMSM array it would fail. This bug was introduced in 3.5-rc1. Reported-by: NBrian Downing <bdowning@lavos.net> Bisected-by: NBrian Downing <bdowning@lavos.net> Tested-by: NBrian Downing <bdowning@lavos.net> Signed-off-by: NNeilBrown <neilb@suse.de>
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- 15 7月, 2012 8 次提交
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由 Linus Torvalds 提交于
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由 Silva Paulo 提交于
The idr_pre_get() function never returns a value < 0. It returns 0 (no memory) or 1 (OK). Reported-by: NSilva Paulo <psdasilva@yahoo.com> [ Rewrote Silva's patch, but attributing it to Silva anyway - Linus ] 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: "Containing the regression fixes for USB-audio due to the transition to the new streaming logic, mostly found on Logitech webcams." * tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: snd-usb: move calls to usb_set_interface ALSA: usb-audio: Fix the first PCM interface assignment
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux由 Linus Torvalds 提交于
Pull ACPI patch from Len Brown. * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: ACPICA: Fix possible fault in return package object repair code
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由 Will Drewry 提交于
vsyscall_seccomp introduced a dependency on __secure_computing. On configurations with CONFIG_SECCOMP disabled, compilation will fail. Reported-by: Nfeng xiangjun <fengxj325@gmail.com> Signed-off-by: NWill Drewry <wad@chromium.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm由 Linus Torvalds 提交于
Pull cpufreq fix from Rafael Wysocki: "This fixes a regression preventing the ACPI cpufreq driver from loading on some systems where it worked previously without any problems." * tag 'cpufreq-for-3.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq / ACPI: Fix not loading acpi-cpufreq driver regression
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc由 Linus Torvalds 提交于
Pull ARM Samsung SoC fixes from Arnd Bergmann. * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: S3C24XX: Correct CAMIF interrupt definitions ARM: S3C24XX: Correct AC97 clock control bit for S3C2440 ARM: SAMSUNG: fix race in s3c_adc_start for ADC ARM: SAMSUNG: Update default rate for xusbxti clock ARM: EXYNOS: register devices in 'need_restore' state for pm_domains ARM: EXYNOS: read initial state of power domain from hw registers
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由 Linus Torvalds 提交于
Merge branches 'core-urgent-for-linus', 'perf-urgent-for-linus' and 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull RCU, perf, and scheduler fixes from Ingo Molnar. The RCU fix is a revert for an optimization that could cause deadlocks. One of the scheduler commits (164c33c6 "sched: Fix fork() error path to not crash") is correct but not complete (some architectures like Tile are not covered yet) - the resulting additional fixes are still WIP and Ingo did not want to delay these pending fixes. See this thread on lkml: [PATCH] fork: fix error handling in dup_task() The perf fixes are just trivial oneliners. * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: Revert "rcu: Move PREEMPT_RCU preemption to switch_to() invocation" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf kvm: Fix segfault with report and mixed guestmount use perf kvm: Fix regression with guest machine creation perf script: Fix format regression due to libtraceevent merge ring-buffer: Fix accounting of entries when removing pages ring-buffer: Fix crash due to uninitialized new_pages list head * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: MAINTAINERS/sched: Update scheduler file pattern sched/nohz: Rewrite and fix load-avg computation -- again sched: Fix fork() error path to not crash
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- 14 7月, 2012 14 次提交
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由 Bob Moore 提交于
Fixes a problem that can occur when a lone package object is wrapped with an outer package object in order to conform to the ACPI specification. Can affect these predefined names: _ALR,_MLS,_PSS,_TRT,_TSS,_PRT,_HPX,_DLM,_CSD,_PSD,_TSD https://bugzilla.kernel.org/show_bug.cgi?id=44171 This problem was introduced in 3.4-rc1 by commit 6a99b1c9 (ACPICA: Object repair code: Support to add Package wrappers) Reported-by: NVlastimil Babka <caster@gentoo.org> Signed-off-by: NBob Moore <robert.moore@intel.com> Signed-off-by: NLin Ming <ming.m.lin@intel.com> Cc: <stable@vger.kernel.org> # 3.4 Signed-off-by: NLen Brown <len.brown@intel.com>
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由 Arnd Bergmann 提交于
Merge branch 'v3.5-samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes From Kukjin Kim <kgene.kim@samsung.com>: * 'v3.5-samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: S3C24XX: Correct CAMIF interrupt definitions ARM: S3C24XX: Correct AC97 clock control bit for S3C2440 ARM: SAMSUNG: fix race in s3c_adc_start for ADC ARM: SAMSUNG: Update default rate for xusbxti clock ARM: EXYNOS: register devices in 'need_restore' state for pm_domains ARM: EXYNOS: read initial state of power domain from hw registers Signed-off-by: NArnd Bergmann <arnd@arndb.de>
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git://neil.brown.name/md由 Linus Torvalds 提交于
Pull use-after-free RAID1 bugfix from NeilBrown. * tag 'md-3.5-fixes' of git://neil.brown.name/md: md/raid1: fix use-after-free bug in RAID1 data-check code.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull the leap second fixes from Thomas Gleixner: "It's a rather large series, but well discussed, refined and reviewed. It got a massive testing by John, Prarit and tip. In theory we could split it into two parts. The first two patches f55a6faa: hrtimer: Provide clock_was_set_delayed() 4873fa07: timekeeping: Fix leapsecond triggered load spike issue are merely preventing the stuff loops forever issues, which people have observed. But there is no point in delaying the other 4 commits which achieve full correctness into 3.6 as they are tagged for stable anyway. And I rather prefer to have the full fixes merged in bulk than a "prevent the observable wreckage and deal with the hidden fallout later" approach." * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: hrtimer: Update hrtimer base offsets each hrtimer_interrupt timekeeping: Provide hrtimer update function hrtimers: Move lock held region in hrtimer_interrupt() timekeeping: Maintain ktime_t based offsets for hrtimers timekeeping: Fix leapsecond triggered load spike issue hrtimer: Provide clock_was_set_delayed()
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由 Will Drewry 提交于
If a seccomp filter program is installed, older static binaries and distributions with older libc implementations (glibc 2.13 and earlier) that rely on vsyscall use will be terminated regardless of the filter program policy when executing time, gettimeofday, or getcpu. This is only the case when vsyscall emulation is in use (vsyscall=emulate is the default). This patch emulates system call entry inside a vsyscall=emulate by populating regs->ax and regs->orig_ax with the system call number prior to calling into seccomp such that all seccomp-dependencies function normally. Additionally, system call return behavior is emulated in line with other vsyscall entrypoints for the trace/trap cases. [ v2: fixed ip and sp on SECCOMP_RET_TRAP/TRACE (thanks to luto@mit.edu) ] Reported-and-tested-by: NOwen Kibel <qmewlo@gmail.com> Signed-off-by: NWill Drewry <wad@chromium.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging由 Linus Torvalds 提交于
Please pull one hwmon subsystem fix from Jean Delvare. * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: (it87) Preserve configuration register bits on init
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git://git.linux-nfs.org/projects/trondmy/linux-nfs由 Linus Torvalds 提交于
Pull NFS client bugfixes from Trond Myklebust: - Fix an NFSv4 mount regression - Fix O_DIRECT list manipulation snafus * tag 'nfs-for-3.5-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFSv4: Fix an NFSv4 mount regression NFS: Fix list manipulation snafus in fs/nfs/direct.c
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由 Dave Jones 提交于
This can be trivially triggered from userspace by passing in something unexpected. kernel BUG at fs/locks.c:1468! invalid opcode: 0000 [#1] SMP RIP: 0010:generic_setlease+0xc2/0x100 Call Trace: __vfs_setlease+0x35/0x40 fcntl_setlease+0x76/0x150 sys_fcntl+0x1c6/0x810 system_call_fastpath+0x1a/0x1f Signed-off-by: NDave Jones <davej@redhat.com> Cc: stable@kernel.org # 3.2+ Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input由 Linus Torvalds 提交于
Pull input layer fixes from Dmitry Torokhov: "The changes are limited to adding new VID/PID combinations to drivers to enable support for new versions of hardware, most notably hardware found in new MacBook Pro Retina boxes." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: xpad - add Andamiro Pump It Up pad Input: xpad - add signature for Razer Onza Tournament Edition Input: xpad - handle all variations of Mad Catz Beat Pad Input: bcm5974 - Add support for 2012 MacBook Pro Retina HID: add support for 2012 MacBook Pro Retina
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media由 Linus Torvalds 提交于
Pull media fixes from Mauro Carvalho Chehab: - Some regression fixes at the audio part for devices with cx23885/cx25840 - A DMA corruption fix at cx231xx - two fixes at the winbond IR driver - Several fixes for the EXYNOS media driver (s5p) - two fixes at the OMAP3 preview driver - one fix at the dvb core failure path - an include missing (slab.h) at smiapp-core causing compilation breakage - em28xx was not loading the IR driver driver anymore. * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (31 commits) [media] Revert "[media] V4L: JPEG class documentation corrections" [media] s5p-fimc: Add missing FIMC-LITE file operations locking [media] omap3isp: preview: Fix contrast and brightness handling [media] omap3isp: preview: Fix output size computation depending on input format [media] winbond-cir: Initialise timeout, driver_type and allowed_protos [media] winbond-cir: Fix txandrx module info [media] cx23885: Silence unknown command warnings [media] cx23885: add support for HVR-1255 analog (cx23888 variant) [media] cx23885: make analog support work for HVR_1250 (cx23885 variant) [media] cx25840: fix vsrc/hsrc usage on cx23888 designs [media] cx25840: fix regression in HVR-1800 analog audio [media] cx25840: fix regression in analog support hue/saturation controls [media] cx25840: fix regression in HVR-1800 analog support [media] s5p-mfc: Fixed setup of custom controls in decoder and encoder [media] cx231xx: don't DMA to random addresses [media] em28xx: fix em28xx-rc load [media] dvb-core: Release semaphore on error path dvb_register_device() [media] s5p-fimc: Stop media entity pipeline if fimc_pipeline_validate fails [media] s5p-fimc: Fix compiler warning in fimc-lite.c [media] s5p-fimc: media_entity_pipeline_start() may fail ...
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc由 Linus Torvalds 提交于
Pull MMC fixes from Chris Ball: - Revert a patch that made failing to select power class fatal; it turns out that it fails non-fatally on Tegra boards. Regression against 3.5-rc1. - Add the IRQF_ONESHOT flag to the cd-gpio driver, which turned into a regression in 3.5-rc1 when IRQF_ONESHOT became required for threaded IRQs with no handler. * tag 'mmc-fixes-for-3.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: mmc: cd-gpio: pass IRQF_ONESHOT to request_threaded_irq() mmc: core: Revert "skip card initialization if power class selection fails"
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git://git.infradead.org/linux-mtd由 Linus Torvalds 提交于
Pull late MTD fixes from David Woodhouse: - fix 'sparse warning fix' regression which totally breaks MXC NAND - fix GPMI NAND regression when used with UBI - update/correct sysfs documentation for new 'bitflip_threshold' field - fix nandsim build failure * tag 'for-linus-20120712' of git://git.infradead.org/linux-mtd: mtd: nandsim: don't open code a do_div helper mtd: ABI documentation: clarification of bitflip_threshold mtd: gpmi-nand: fix read page when reading to vmalloced area mtd: mxc_nand: use 32bit copy functions
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6由 Linus Torvalds 提交于
Pull MFD Fixes from Samuel Ortiz: - Three Palmas fixes, One of them being a build error fix. - Two mc13xx fixes. One for fixing an SPI regmap configuration and another one for working around an i.Mx hardware bug. - One omap-usb regression fix. - One twl6040 build breakage fix. - One file deletion (ab5500-core.h) that was overlooked during the last merge window. * tag 'mfd-for-linus-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: mfd: Add missing hunk to change palmas irq to clear on read mfd: Fix palmas regulator pdata missing mfd: USB: Fix the omap-usb EHCI ULPI PHY reset fix issues. mfd: Update twl6040 Kconfig to avoid build breakage mfd: Delete ab5500-core.h mfd: mc13xxx workaround SPI hardware bug on i.Mx mfd: Fix mc13xxx SPI regmap mfd: Add terminating entry for i2c_device_id palmas table
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git://github.com/pmundt/linux-sh由 Linus Torvalds 提交于
Pull SuperH fixes from Paul Mundt. * tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: SH: Convert out[bwl] macros to inline functions sh: Fix up se7721 GPIOLIB=y build warnings.
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- 13 7月, 2012 10 次提交
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git://git.kernel.org/pub/scm/virt/kvm/kvm由 Linus Torvalds 提交于
Pull a couple of KVM fixes from Avi Kivity: "One is an adjustment for an irq layer change that affected device assignment, the other a one-liner ppc fix." * git://git.kernel.org/pub/scm/virt/kvm/kvm: powerpc/kvm: Fix "PR" KVM implementation of H_CEDE KVM: Fix device assignment threaded irq handler
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由 Jeff Moyer 提交于
Commit 080399aa ("block: don't mark buffers beyond end of disk as mapped") exposed a bug in __getblk_slow that causes mount to hang as it loops infinitely waiting for a buffer that lies beyond the end of the disk to become uptodate. The problem was initially reported by Torsten Hilbrich here: https://lkml.org/lkml/2012/6/18/54 and also reported independently here: http://www.sysresccd.org/forums/viewtopic.php?f=13&t=4511 and then Richard W.M. Jones and Marcos Mello noted a few separate bugzillas also associated with the same issue. This patch has been confirmed to fix: https://bugzilla.redhat.com/show_bug.cgi?id=835019 The main problem is here, in __getblk_slow: for (;;) { struct buffer_head * bh; int ret; bh = __find_get_block(bdev, block, size); if (bh) return bh; ret = grow_buffers(bdev, block, size); if (ret < 0) return NULL; if (ret == 0) free_more_memory(); } __find_get_block does not find the block, since it will not be marked as mapped, and so grow_buffers is called to fill in the buffers for the associated page. I believe the for (;;) loop is there primarily to retry in the case of memory pressure keeping grow_buffers from succeeding. However, we also continue to loop for other cases, like the block lying beond the end of the disk. So, the fix I came up with is to only loop when grow_buffers fails due to memory allocation issues (return value of 0). The attached patch was tested by myself, Torsten, and Rich, and was found to resolve the problem in call cases. Signed-off-by: NJeff Moyer <jmoyer@redhat.com> Reported-and-Tested-by: NTorsten Hilbrich <torsten.hilbrich@secunet.com> Tested-by: NRichard W.M. Jones <rjones@redhat.com> Reviewed-by: NJosh Boyer <jwboyer@redhat.com> Cc: Stable <stable@vger.kernel.org> # 3.0+ [ Jens is on vacation, taking this directly - Linus ] -- Stable Notes: this patch requires backport to 3.0, 3.2 and 3.3. Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Sylwester Nawrocki 提交于
Properly define the CAMIF interrupt resources. This device have two interrupts - corresponding to the "codec" and "preview" data paths. IRQ_CAM is handled internally by the architecture and demultiplexed to IRQ_S3C2440_CAM_C and IRQ_S3C2440_CAM_P - these interrupts only should be handled in the driver. Signed-off-by: NSylwester Nawrocki <sylvester.nawrocki@gmail.com> Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>
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由 Sylwester Nawrocki 提交于
Use correct gate control bit for AC97 clock which is S3C2440_CLKCON_AC97, not S3C2440_CLKCON_CAMERA. Signed-off-by: NSylwester Nawrocki <sylvester.nawrocki@gmail.com> Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>
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由 Daniel Mack 提交于
The rework of the snd-usb endpoint logic moved the calls to snd_usb_set_interface() into the snd_usb_endpoint implemenation. This changed the order in which these calls are issued to the device, and thereby caused regressions for some webcams. Fix this by moving the calls back to pcm.c for now to make it work again and use snd_usb_endpoint_activate() to really tear down all remaining URBs in the flight, consequently fixing another regression caused by USB packets on the wire after altsetting 0 has been selected. Signed-off-by: NDaniel Mack <zonque@gmail.com> Reported-and-tested-by: NPhilipp Dreimann <philipp@dreimann.net> Reported-by: NJoseph Salisbury <joseph.salisbury@canonical.com> Signed-off-by: NTakashi Iwai <tiwai@suse.de>
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由 Yuri Khan 提交于
I couldn't find the vendor ID in any of the online databases, but this mat has a Pump It Up logo on the top side of the controller compartment, and a disclaimer stating that Andamiro will not be liable on the bottom. Signed-off-by: NYuri Khan <yurivkhan@gmail.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Todd Poynor 提交于
Checking for adc->ts_pend already claimed should be done with the lock held. Signed-off-by: NTodd Poynor <toddpoynor@google.com> Acked-by: NBen Dooks <ben-linux@fluff.org> Cc: Stable <stable@vger.kernel.org> Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>
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由 Tushar Behera 提交于
The rate of xusbxti clock is set in individual machine files. The default value should be defined at the clock definition and individual machine files should modify it if required. Division by zero in kernel. [<c0011849>] (unwind_backtrace+0x1/0x9c) from [<c022c663>] (Ldiv0+0x9/0x12) [<c022c663>] (Ldiv0+0x9/0x12) from [<c001a3c3>] (s3c_setrate_clksrc+0x33/0x78) [<c001a3c3>] (s3c_setrate_clksrc+0x33/0x78) from [<c0019e67>] (clk_set_rate+0x2f/0x78) Signed-off-by: NTushar Behera <tushar.behera@linaro.org> Cc: Stable <stable@vger.kernel.org> Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>
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由 Jean Delvare 提交于
We were accidentally losing one bit in the configuration register on device initialization. It was reported to freeze one specific system right away. Properly preserve all bits we don't explicitly want to change in order to prevent that. Reported-by: NStevie Trujillo <stevie.trujillo@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: NJean Delvare <khali@linux-fr.org> Reviewed-by: NGuenter Roeck <linux@roeck-us.net>
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由 Thomas Renninger 提交于
Commit d640113f introduced a regression on SMP systems where the processor core with ACPI id zero is disabled (typically should be the case because of hyperthreading). The regression got spread through stable kernels. On 3.0.X it got introduced via 3.0.18. Such platforms may be rare, but do exist. Look out for a disabled processor with acpi_id 0 in dmesg: ACPI: LAPIC (acpi_id[0x00] lapic_id[0x10] disabled) This problem has been observed on a: HP Proliant BL280c G6 blade This patch restricts the introduced workaround to platforms with nr_cpu_ids <= 1. Signed-off-by: NThomas Renninger <trenn@suse.de> CC: stable@vger.kernel.org Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>
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