- 01 Mar, 2011 3 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2Linus Torvalds authored
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: ocfs2: Check heartbeat mode for kernel stacks only Ocfs2/refcounttree: Fix a bug for refcounttree to writeback clusters in a right number. ocfs2: Fix estimate of necessary credits for mkdir
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: eukrea-tlv320: fix platform_name ASoC: correct pxa AC97 DAI names ALSA: hda - Add support for new IDT 92HD98 and 92HD99 codecs ALSA: HDA: Add ideapad quirk for two Dell machines ALSA: HDA: Add a new Conexant codec 506e (20590) ALSA: usb-audio: fix oops due to cleanup race when disconnecting ASoC: Hook wm_hubs micbiases up to CLK_SYS ASoC: Correct definition of WM8903_VMID_RES_5K ASoC: Fix WM8958 default microphone detection argument ordering ALSA: HDA: Fix mic initialization in VIA auto parser ALSA: fix one memory leak in sound jack
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Ben Hutchings authored
Commit e2cda322 ("thp: add pmd mangling generic functions") replaced some macros in <asm-generic/pgtable.h> with inline functions. If the functions are to be defined (not all architectures need them) then struct vm_area_struct must be defined first. So include <linux/mm_types.h>. Fixes a build failure seen in Debian: CC [M] drivers/media/dvb/mantis/mantis_pci.o In file included from arch/arm/include/asm/pgtable.h:460, from drivers/media/dvb/mantis/mantis_pci.c:25: include/asm-generic/pgtable.h: In function 'ptep_test_and_clear_young': include/asm-generic/pgtable.h:29: error: dereferencing pointer to incomplete type Signed-off-by:
Ben Hutchings <ben@decadent.org.uk> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 26 Feb, 2011 1 commit
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Takashi Iwai authored
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- 25 Feb, 2011 30 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6Linus Torvalds authored
* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: PM: Make ACPI wakeup from S5 work again when CONFIG_PM_SLEEP is unset
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Alexandre Bounine authored
Fixes sysfs config attribute to allow access to entire 16MB maintenance space of RapidIO devices. Signed-off-by:
Alexandre Bounine <alexandre.bounine@idt.com> Cc: Kumar Gala <galak@kernel.crashing.org> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Li Yang <leoli@freescale.com> Cc: Thomas Moll <thomas.moll@sysgo.com> Cc: Micha Nelissen <micha@neli.hopto.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Alexander Gordeev authored
Initialize ts_real.flags to fix compiler warning about possible uninitialized use of this field. Signed-off-by:
Alexander Gordeev <lasaine@lvk.cs.msu.su> Cc: john stultz <johnstul@us.ibm.com> Cc: Rodolfo Giometti <giometti@linux.it> Signed-off-by:
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Hugh Dickins authored
It seems odd that truncate_inode_pages_range(), called not only when truncating but also when evicting inodes, has mem_cgroup_uncharge_start and _end() batching in its second loop to clear up a few leftovers, but not in its first loop that does almost all the work: add them there too. Signed-off-by:
Hugh Dickins <hughd@google.com> Acked-by:
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by:
Balbir Singh <balbir@linux.vnet.ibm.com> Acked-by:
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Signed-off-by:
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Andi Kleen authored
The THP code didn't pass the correct interleaving shift to the memory policy code. Fix this here by adjusting for the order. Signed-off-by:
Andi Kleen <ak@linux.intel.com> Reviewed-by:
Christoph Lameter <cl@linux.com> Acked-by:
Andrea Arcangeli <aarcange@redhat.com> Signed-off-by:
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Jan Kara authored
A race can occur when io_submit() races with io_destroy(): CPU1 CPU2 io_submit() do_io_submit() ... ctx = lookup_ioctx(ctx_id); io_destroy() Now do_io_submit() holds the last reference to ctx. ... queue new AIO put_ioctx(ctx) - frees ctx with active AIOs We solve this issue by checking whether ctx is being destroyed in AIO submission path after adding new AIO to ctx. Then we are guaranteed that either io_destroy() waits for new AIO or we see that ctx is being destroyed and bail out. Cc: Nick Piggin <npiggin@kernel.dk> Reviewed-by:Jeff Moyer <jmoyer@redhat.com> Signed-off-by:
Jan Kara <jack@suse.cz> Signed-off-by:
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Nick Piggin authored
aio-dio-invalidate-failure GPFs in aio_put_req from io_submit. lookup_ioctx doesn't implement the rcu lookup pattern properly. rcu_read_lock does not prevent refcount going to zero, so we might take a refcount on a zero count ioctx. Fix the bug by atomically testing for zero refcount before incrementing. [jack@suse.cz: added comment into the code] Reviewed-by:
Nick Piggin <npiggin@kernel.dk> Signed-off-by:
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Namhyung Kim authored
When pfn_valid_within() failed 'iter' was incremented twice. Signed-off-by:
Namhyung Kim <namhyung@gmail.com> Reviewed-by:
Minchan Kim <minchan.kim@gmail.com> Cc: <stable@kernel.org> Signed-off-by:
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Lei Xu authored
In linux rtc_time struct, tm_mon range is 0~11, tm_wday range is 0~6, while in RTC HW REG, month range is 1~12, day of the week range is 1~7, this patch adjusts difference of them. The efect of this bug was that most of month will be operated on as the next month by the hardware (When in Jan it maybe even worse). For example, if in May, software wrote 4 to the hardware, which handled it as April. Then the logic would be different between software and hardware, which would cause weird things to happen. Signed-off-by:
Lei Xu <B33228@freescale.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: john stultz <johnstul@us.ibm.com> Cc: Jack Lan <jack.lan@freescale.com> Cc: <stable@kernel.org> Signed-off-by:
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Timo Warns authored
The kernel automatically evaluates partition tables of storage devices. The code for evaluating LDM partitions (in fs/partitions/ldm.c) contains a bug that causes a kernel oops on certain corrupted LDM partitions. A kernel subsystem seems to crash, because, after the oops, the kernel no longer recognizes newly connected storage devices. The patch changes ldm_parse_vmdb() to Validate the value of vblk_size. Signed-off-by:
Timo Warns <warns@pre-sense.de> Cc: Eugene Teo <eugeneteo@kernel.sg> Acked-by:
Richard Russon <ldm@flatcap.org> Cc: Harvey Harrison <harvey.harrison@gmail.com> Cc: <stable@kernel.org> Signed-off-by:
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Mel Gorman authored
should_continue_reclaim() for reclaim/compaction allows scanning to continue even if pages are not being reclaimed until the full list is scanned. In terms of allocation success, this makes sense but potentially it introduces unwanted latency for high-order allocations such as transparent hugepages and network jumbo frames that would prefer to fail the allocation attempt and fallback to order-0 pages. Worse, there is a potential that the full LRU scan will clear all the young bits, distort page aging information and potentially push pages into swap that would have otherwise remained resident. This patch will stop reclaim/compaction if no pages were reclaimed in the last SWAP_CLUSTER_MAX pages that were considered. For allocations such as hugetlbfs that use __GFP_REPEAT and have fewer fallback options, the full LRU list may still be scanned. Order-0 allocation should not be affected because RECLAIM_MODE_COMPACTION is not set so the following avoids the gfp_mask being examined: if (!(sc->reclaim_mode & RECLAIM_MODE_COMPACTION)) return false; A tool was developed based on ftrace that tracked the latency of high-order allocations while transparent hugepage support was enabled and three benchmarks were run. The "fix-infinite" figures are 2.6.38-rc4 with Johannes's patch "vmscan: fix zone shrinking exit when scan work is done" applied. STREAM Highorder Allocation Latency Statistics fix-infinite break-early 1 :: Count 10298 10229 1 :: Min 0.4560 0.4640 1 :: Mean 1.0589 1.0183 1 :: Max 14.5990 11.7510 1 :: Stddev 0.5208 0.4719 2 :: Count 2 1 2 :: Min 1.8610 3.7240 2 :: Mean 3.4325 3.7240 2 :: Max 5.0040 3.7240 2 :: Stddev 1.5715 0.0000 9 :: Count 111696 111694 9 :: Min 0.5230 0.4110 9 :: Mean 10.5831 10.5718 9 :: Max 38.4480 43.2900 9 :: Stddev 1.1147 1.1325 Mean time for order-1 allocations is reduced. order-2 looks increased but with so few allocations, it's not particularly significant. THP mean allocation latency is also reduced. That said, allocation time varies so significantly that the reductions are within noise. Max allocation time is reduced by a significant amount for low-order allocations but reduced for THP allocations which presumably are now breaking before reclaim has done enough work. SysBench Highorder Allocation Latency Statistics fix-infinite break-early 1 :: Count 15745 15677 1 :: Min 0.4250 0.4550 1 :: Mean 1.1023 1.0810 1 :: Max 14.4590 10.8220 1 :: Stddev 0.5117 0.5100 2 :: Count 1 1 2 :: Min 3.0040 2.1530 2 :: Mean 3.0040 2.1530 2 :: Max 3.0040 2.1530 2 :: Stddev 0.0000 0.0000 9 :: Count 2017 1931 9 :: Min 0.4980 0.7480 9 :: Mean 10.4717 10.3840 9 :: Max 24.9460 26.2500 9 :: Stddev 1.1726 1.1966 Again, mean time for order-1 allocations is reduced while order-2 allocations are too few to draw conclusions from. The mean time for THP allocations is also slightly reduced albeit the reductions are within varianes. Once again, our maximum allocation time is significantly reduced for low-order allocations and slightly increased for THP allocations. Anon stream mmap reference Highorder Allocation Latency Statistics 1 :: Count 1376 1790 1 :: Min 0.4940 0.5010 1 :: Mean 1.0289 0.9732 1 :: Max 6.2670 4.2540 1 :: Stddev 0.4142 0.2785 2 :: Count 1 - 2 :: Min 1.9060 - 2 :: Mean 1.9060 - 2 :: Max 1.9060 - 2 :: Stddev 0.0000 - 9 :: Count 11266 11257 9 :: Min 0.4990 0.4940 9 :: Mean 27250.4669 24256.1919 9 :: Max 11439211.0000 6008885.0000 9 :: Stddev 226427.4624 186298.1430 This benchmark creates one thread per CPU which references an amount of anonymous memory 1.5 times the size of physical RAM. This pounds swap quite heavily and is intended to exercise THP a bit. Mean allocation time for order-1 is reduced as before. It's also reduced for THP allocations but the variations here are pretty massive due to swap. As before, maximum allocation times are significantly reduced. Overall, the patch reduces the mean and maximum allocation latencies for the smaller high-order allocations. This was with Slab configured so it would be expected to be more significant with Slub which uses these size allocations more aggressively. The mean allocation times for THP allocations are also slightly reduced. The maximum latency was slightly increased as predicted by the comments due to reclaim/compaction breaking early. However, workloads care more about the latency of lower-order allocations than THP so it's an acceptable trade-off. Signed-off-by:Mel Gorman <mel@csn.ul.ie> Acked-by:
Johannes Weiner <hannes@cmpxchg.org> Reviewed-by:
Rik van Riel <riel@redhat.com> Cc: Michal Hocko <mhocko@suse.cz> Cc: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by:
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Matti J. Aaltonen authored
The regulator framework is used for power management. The regulators are only named in the driver code, the actual control stuff is in the board file for each architecture or use case. The PN544 chip has three regulators that can be controlled or not - depending on the architecture where the chip is being used. So some of the regulators may not be controllable. In our current case the third regulator, which was missing from the code, went unnoticed because we didn't need to control it. To be as general as possible - in this respect - the driver needs to list all regulators. Then the board file can be used to actually set the usage. Signed-off-by:
Matti J. Aaltonen <matti.j.aaltonen@nokia.com> Signed-off-by:
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Matti J. Aaltonen authored
Spell out the NFC acronym when it's shown for the first time. Signed-off-by:
Wolfram Sang <w.sang@pengutronix.de> Signed-off-by:
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FUJITA Tomonori authored
swiotlb's map_page wrongly calls panic() when it can't find a buffer fit for device's dma mask. It should return an error instead. Devices with an odd dma mask (i.e. under 4G) like b44 network card hit this bug (the system crashes): http://marc.info/?l=linux-kernel&m=129648943830106&w=2 If swiotlb returns an error, b44 driver can use the own bouncing mechanism. Reported-by:
Chuck Ebbert <cebbert@redhat.com> Signed-off-by:
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Tested-by:
Arkadiusz Miskiewicz <arekm@maven.pl> Cc: <stable@kernel.org> Signed-off-by:
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Harry Wei authored
I have translated some kernel documentation so I wish to maintain the Chinese documentation in our kernel directories. Signed-off-by:
Harry Wei <harryxiyou@gmail.com> Cc: Joe Perches <joe@perches.com> Cc: Greg KH <greg@kroah.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Greg Thelen authored
The move_pages() usage of find_task_by_vpid() requires rcu_read_lock() to prevent free_pid() from reclaiming the pid. Without this patch, RCU warnings are printed in v2.6.38-rc4 move_pages() with: CONFIG_LOCKUP_DETECTOR=y CONFIG_PREEMPT=y CONFIG_LOCKDEP=y CONFIG_PROVE_LOCKING=y CONFIG_PROVE_RCU=y Previously, migrate_pages() went through a similar transformation replacing usage of tasklist_lock with rcu read lock: commit 55cfaa3c Author: Zeng Zhaoming <zengzm.kernel@gmail.com> Date: Thu Dec 2 14:31:13 2010 -0800 mm/mempolicy.c: add rcu read lock to protect pid structure commit 1e50df39 Author: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Date: Thu Jan 13 15:46:14 2011 -0800 mempolicy: remove tasklist_lock from migrate_pages Signed-off-by:
Greg Thelen <gthelen@google.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Minchan Kim <minchan.kim@gmail.com> Cc: Rik van Riel <riel@redhat.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Zeng Zhaoming <zengzm.kernel@gmail.com> Signed-off-by:
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Davide Libenzi authored
In several places, an epoll fd can call another file's ->f_op->poll() method with ep->mtx held. This is in general unsafe, because that other file could itself be an epoll fd that contains the original epoll fd. The code defends against this possibility in its own ->poll() method using ep_call_nested, but there are several other unsafe calls to ->poll elsewhere that can be made to deadlock. For example, the following simple program causes the call in ep_insert recursively call the original fd's ->poll, leading to deadlock: #include <unistd.h> #include <sys/epoll.h> int main(void) { int e1, e2, p[2]; struct epoll_event evt = { .events = EPOLLIN }; e1 = epoll_create(1); e2 = epoll_create(2); pipe(p); epoll_ctl(e2, EPOLL_CTL_ADD, e1, &evt); epoll_ctl(e1, EPOLL_CTL_ADD, p[0], &evt); write(p[1], p, sizeof p); epoll_ctl(e1, EPOLL_CTL_ADD, e2, &evt); return 0; } On insertion, check whether the inserted file is itself a struct epoll, and if so, do a recursive walk to detect whether inserting this file would create a loop of epoll structures, which could lead to deadlock. [nelhage@ksplice.com: Use epmutex to serialize concurrent inserts] Signed-off-by:Davide Libenzi <davidel@xmailserver.org> Signed-off-by:
Nelson Elhage <nelhage@ksplice.com> Reported-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6: regulator, mc13xxx: Remove pointless test for unsigned less than zero regulator: Fix warning with CONFIG_BUG disabled
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: fix fiemap bugs with delalloc Btrfs: set FMODE_EXCL in btrfs_device->mode Btrfs: make btrfs_rm_device() fail gracefully Btrfs: Avoid accessing unmapped kernel address Btrfs: Fix BTRFS_IOC_SUBVOL_SETFLAGS ioctl Btrfs: allow balance to explicitly allocate chunks as it relocates Btrfs: put ENOSPC debugging under a mount option
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Linus Torvalds authored
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86 quirk: Fix polarity for IRQ0 pin2 override on SB800 systems x86/mrst: Fix apb timer rating when lapic timer is used x86: Fix reboot problem on VersaLogic Menlow boards
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Jelle Martijn Kok authored
The member of the rtc_class_ops struct is called alarm_irq_enable and not alarm_irq_enabled CC: Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
Jelle Martijn Kok <jmkok@youcom.nl> Signed-off-by:
John Stultz <john.stultz@linaro.org> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds authored
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: usb: musb: core: set has_tt flag USB: xhci: mark local functions as static USB: xhci: fix couple sparse annotations USB: xhci: rework xhci_print_ir_set() to get ir set from xhci itself USB: Reset USB 3.0 devices on (re)discovery xhci: Fix an error in count_sg_trbs_needed() xhci: Fix errors in the running total calculations in the TRB math xhci: Clarify some expressions in the TRB math xhci: Avoid BUG() in interrupt context
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git://neil.brown.name/mdLinus Torvalds authored
* 'for-linus' of git://neil.brown.name/md: md: Fix - again - partition detection when array becomes active Fix over-zealous flush_disk when changing device size. md: avoid spinlock problem in blk_throtl_exit md: correctly handle probe of an 'mdp' device. md: don't set_capacity before array is active. md: Fix raid1->raid0 takeover
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Anton Blanchard authored
With slab poisoning enabled, I see the following oops: Unable to handle kernel paging request for data at address 0x6b6b6b6b6b6b6b73 ... NIP [c0000000006bc61c] .rxrpc_destroy+0x44/0x104 LR [c0000000006bc618] .rxrpc_destroy+0x40/0x104 Call Trace: [c0000000feb2bc00] [c0000000006bc618] .rxrpc_destroy+0x40/0x104 (unreliable) [c0000000feb2bc90] [c000000000349b2c] .key_cleanup+0x1a8/0x20c [c0000000feb2bd40] [c0000000000a2920] .process_one_work+0x2f4/0x4d0 [c0000000feb2be00] [c0000000000a2d50] .worker_thread+0x254/0x468 [c0000000feb2bec0] [c0000000000a868c] .kthread+0xbc/0xc8 [c0000000feb2bf90] [c000000000020e00] .kernel_thread+0x54/0x70 We aren't initialising token->next, but the code in destroy_context relies on the list being NULL terminated. Use kzalloc to zero out all the fields. Signed-off-by:
Anton Blanchard <anton@samba.org> Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
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Anton Blanchard authored
I'm seeing the following oops when testing afs: Unable to handle kernel paging request for data at address 0x00000008 ... NIP [c0000000003393b0] .afs_unlink_writeback+0x38/0xc0 LR [c00000000033987c] .afs_put_writeback+0x98/0xec Call Trace: [c00000000345f600] [c00000000033987c] .afs_put_writeback+0x98/0xec [c00000000345f690] [c00000000033ae80] .afs_write_begin+0x6a4/0x75c [c00000000345f790] [c00000000012b77c] .generic_file_buffered_write+0x148/0x320 [c00000000345f8d0] [c00000000012e1b8] .__generic_file_aio_write+0x37c/0x3e4 [c00000000345f9d0] [c00000000012e2a8] .generic_file_aio_write+0x88/0xfc [c00000000345fa90] [c0000000003390a8] .afs_file_write+0x10c/0x178 [c00000000345fb40] [c000000000188788] .do_sync_write+0xc4/0x128 [c00000000345fcc0] [c000000000189658] .vfs_write+0xe8/0x1d8 [c00000000345fd70] [c000000000189884] .SyS_write+0x68/0xb0 [c00000000345fe30] [c000000000008564] syscall_exit+0x0/0x40 afs_write_begin hits an error and calls afs_unlink_writeback. In there we do list_del_init on an uninitialised list. The patch below initialises ->link when creating the afs_writeback struct. Signed-off-by:
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Eric Bénard authored
commit f0fba2ad included a mistake on the name of the platform in the snd_soc_dai_link structure. Signed-off-by:
Eric Bénard <eric@eukrea.com> Acked-by:
Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by:
Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org
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Dmitry Eremin-Solenikov authored
Correct names for pxa AC97 DAI are pxa2xx-ac97 and pxa2xx-ac97-aux. Fix that for all PXA platforms. Signed-off-by:
Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Acked-by:
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Jesper Juhl authored
The variable 'val' is a 'unsigned int', so it can never be less than zero. This fact makes the "val < 0" part of the test done in BUG_ON() in mc13xxx_regulator_get_voltage() rather pointles since it can never have any effect. This patch removes the pointless test. Signed-off-by:
Jesper Juhl <jj@chaosbits.net> Acked-by:
Alberto Panizzo <maramaopercheseimorto@gmail.com> Acked-by:
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Mark Brown authored
Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6Linus Torvalds authored
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/i915: Fix unintended recursion in ironlake_disable_rc6 drm/i915: fix corruptions on i8xx due to relaxed fencing drm/i915: skip FDI & PCH enabling for DP_A agp/intel: Experiment with a 855GM GWB bit drm/i915: don't enable FDI & transcoder interrupts after all drm/i915: Ignore a hung GPU when flushing the framebuffer prior to a switch
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- 24 Feb, 2011 6 commits
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Dave Airlie authored
Merge branch 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel into drm-fixes * 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel: drm/i915: Fix unintended recursion in ironlake_disable_rc6
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
* 'kvm-updates/2.6.38' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: SVM: Advance instruction pointer in dr_intercept
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Herton Ronaldo Krzesinski authored
Signed-off-by:
Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com> Signed-off-by:
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Andreas Herrmann authored
On some SB800 systems polarity for IOAPIC pin2 is wrongly specified as low active by BIOS. This caused system hangs after resume from S3 when HPET was used in one-shot mode on such systems because a timer interrupt was missed (HPET signal is high active). For more details see: http://marc.info/?l=linux-kernel&m=129623757413868Tested-by:
Manoj Iyer <manoj.iyer@canonical.com> Tested-by:
Andre Przywara <andre.przywara@amd.com> Signed-off-by:
Andreas Herrmann <andreas.herrmann3@amd.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Cc: stable@kernel.org # 37.x, 32.x LKML-Reference: <20110224145346.GD3658@alberich.amd.com> Signed-off-by:
Ingo Molnar <mingo@elte.hu>
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Felipe Balbi authored
MUSB is a non-standard host implementation which can handle all speeds with the same core. We need to set has_tt flag after commit d199c96d (USB: prevent buggy hubs from crashing the USB stack) in order for MUSB HCD to continue working. Signed-off-by:
Felipe Balbi <balbi@ti.com> Cc: stable <stable@kernel.org> Cc: Alan Stern <stern@rowland.harvard.edu> Tested-by:
Michael Jones <michael.jones@matrix-vision.de> Tested-by:
Alexander Holler <holler@ahsoftware.de> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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Rafael J. Wysocki authored
Commit 074037ec (PM / Wakeup: Introduce wakeup source objects and event statistics (v3)) caused ACPI wakeup to only work if CONFIG_PM_SLEEP is set, but it also worked for CONFIG_PM_SLEEP unset before. This can be fixed by making device_set_wakeup_enable(), device_init_wakeup() and device_may_wakeup() work in the same way as before commit 074037ec when CONFIG_PM_SLEEP is unset. Reported-and-tested-by:
Justin Maggard <jmaggard10@gmail.com> Cc: stable@kernel.org Signed-off-by:
Rafael J. Wysocki <rjw@sisk.pl>
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