- 08 12月, 2012 1 次提交
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由 Grant Likely 提交于
Linux 3.7-rc8
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- 07 12月, 2012 2 次提交
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由 Lars-Peter Clausen 提交于
This patch allows to specify that a SPI device is connected in 3-wire mode via device tree. Signed-off-by: NLars-Peter Clausen <lars@metafoo.de> Acked-by: NRob Herring <rob.herring@calxeda.com> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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由 Grant Likely 提交于
Fix problem discovered with sparse: + drivers/spi/spi.c:1554:37: sparse: incompatible types in comparison expression (different signedness) drivers/spi/spi.c: In function 'spi_write_then_read': drivers/spi/spi.c:1554:23: warning: comparison of distinct pointer types lacks a cast [enabled by default] The change to SPI_BUFSIZ was introduced in commit b3a223ee, "spi: Remove SPI_BUFSIZ restriction on spi_write_then_read()" Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Reported-by: Nkbuild test robot <fengguang.wu@intel.com> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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- 06 12月, 2012 7 次提交
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由 Jason Gunthorpe 提交于
Support these transfer modes from the SPI layer by setting the appropriate register bits before doing the transfer. This was tested on the Marvell kirkwood SOC that uses this driver. Reviewed-by: NJason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: NRolf Manderscheid <rvm@obsidianresearch.com> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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由 Bastian Hecht 提交于
The MSIOF hardware block is used in the SH Mobile series as well, so we add it here. Signed-off-by: NBastian Hecht <hechtb@gmail.com> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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由 Bastian Hecht 提交于
clk_get() no longer needs a character string for associating the right clock as this is done via the device struct now. Signed-off-by: NBastian Hecht <hechtb@gmail.com> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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由 Mark Brown 提交于
In order to avoid constantly allocating and deallocating there is a fixed buffer which spi_write_then_read() uses for transfers, with an early error check to ensure that the transfer fits within the buffer. This limits the size of transfers to this size, currently max(32, SMP_CACHE_BYTES). Since we can dynamically allocate and in fact already have a fallback to do so when there is contention for the fixed buffer remove this restriction and instead dynamically allocate a suitably sized buffer if the transfer won't fit. Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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由 Wolfram Sang 提交于
This driver is obsolete and can't even be built anymore since the platform it depends has been removed. The STMP series is completely covered by the MXS platform these days, so spi-mxs can be used instead. Signed-off-by: NWolfram Sang <w.sang@pengutronix.de> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git由 Grant Likely 提交于
Pull in the changes Mark has queued up for SPI
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由 Alexander Shiyan 提交于
This patch add new driver for CLPS711X SPI master controller. Due to platform limitations driver supports only 8 bit transfer mode. Chip select control is handled via GPIO. Signed-off-by: NAlexander Shiyan <shc_work@mail.ru> Acked-by: NArnd Bergmann <arnd@arndb.de> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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- 04 12月, 2012 6 次提交
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由 Linus Torvalds 提交于
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac由 Linus Torvalds 提交于
Pull EDAC fixes from Mauro Carvalho Chehab: "One EDAC core fix, and a few driver fixes (i7300, i9275x, i7core)." * git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac: i7core_edac: fix panic when accessing sysfs files i7300_edac: Fix error flag testing edac: Fix the dimm filling for csrows-based layouts i82975x_edac: Fix dimm label initialization
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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 driver fixes for s5p/exynos (mostly race fixes)" * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: [media] s5p-mfc: Handle multi-frame input buffer [media] s5p-mfc: Bug fix of timestamp/timecode copy mechanism [media] exynos-gsc: Add missing video device vfl_dir flag initialization [media] exynos-gsc: Fix settings for input and output image RGB type [media] exynos-gsc: Don't use mutex_lock_interruptible() in device release() [media] fimc-lite: Don't use mutex_lock_interruptible() in device release() [media] s5p-fimc: Don't use mutex_lock_interruptible() in device release() [media] s5p-fimc: Prevent race conditions during subdevs registration
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由 Al Viro 提交于
In commit 9d73fc2d ("open*(2) compat fixes (s390, arm64)") I said: > > The usual rules for open()/openat()/open_by_handle_at() are > 1) native 32bit - don't force O_LARGEFILE in flags > 2) native 64bit - force O_LARGEFILE in flags > 3) compat on 64bit host - as for native 32bit > 4) native 32bit ABI for 64bit system (mips/n32, x86/x32) - as for native 64bit > > There are only two exceptions - s390 compat has open() forcing O_LARGEFILE and > arm64 compat has open_by_handle_at() doing the same thing. The same binaries > on native host (s390/31 and arm resp.) will *not* force O_LARGEFILE, so IMO > both are emulation bugs. Three exceptions, actually - parisc open() is another case like that. Native 32bit won't force O_LARGEFILE, the same binary on parisc64 will. Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Galbraith 提交于
This reverts commit 800d4d30. Between commits 8323f26c ("sched: Fix race in task_group()") and 800d4d30 ("sched, autogroup: Stop going ahead if autogroup is disabled"), autogroup is a wreck. With both applied, all you have to do to crash a box is disable autogroup during boot up, then reboot.. boom, NULL pointer dereference due to commit 800d4d30 not allowing autogroup to move things, and commit 8323f26c making that the only way to switch runqueues: BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffff81063ac0>] effective_load.isra.43+0x50/0x90 Pid: 7047, comm: systemd-user-se Not tainted 3.6.8-smp #7 MEDIONPC MS-7502/MS-7502 RIP: effective_load.isra.43+0x50/0x90 Process systemd-user-se (pid: 7047, threadinfo ffff880221dde000, task ffff88022618b3a0) Call Trace: select_task_rq_fair+0x255/0x780 try_to_wake_up+0x156/0x2c0 wake_up_state+0xb/0x10 signal_wake_up+0x28/0x40 complete_signal+0x1d6/0x250 __send_signal+0x170/0x310 send_signal+0x40/0x80 do_send_sig_info+0x47/0x90 group_send_sig_info+0x4a/0x70 kill_pid_info+0x3a/0x60 sys_kill+0x97/0x1a0 ? vfs_read+0x120/0x160 ? sys_read+0x45/0x90 system_call_fastpath+0x16/0x1b Code: 49 0f af 41 50 31 d2 49 f7 f0 48 83 f8 01 48 0f 46 c6 48 2b 07 48 8b bf 40 01 00 00 48 85 ff 74 3a 45 31 c0 48 8b 8f 50 01 00 00 <48> 8b 11 4c 8b 89 80 00 00 00 49 89 d2 48 01 d0 45 8b 59 58 4c RIP [<ffffffff81063ac0>] effective_load.isra.43+0x50/0x90 RSP <ffff880221ddfbd8> CR2: 0000000000000000 Signed-off-by: NMike Galbraith <efault@gmx.de> Acked-by: NIngo Molnar <mingo@kernel.org> Cc: Yong Zhang <yong.zhang0@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: stable@vger.kernel.org # 2.6.39+ Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Linus Torvalds 提交于
Merge 'block-dev' branch. I was going to just mark everything here for stable and leave it to the 3.8 merge window, but having decided on doing another -rc, I migth as well merge it now. This removes the bd_block_size_semaphore semaphore that was added in this release to fix a race condition between block size changes and block IO, and replaces it with atomicity guaratees in fs/buffer.c instead, along with simplifying fs/block-dev.c. This removes more lines than it adds, makes the code generally simpler, and avoids the latency/rt issues that the block size semaphore introduced for mount. I'm not happy with the timing, but it wouldn't be much better doing this during the merge window and then having some delayed back-port of it into stable. * block-dev: blkdev_max_block: make private to fs/buffer.c direct-io: don't read inode->i_blkbits multiple times blockdev: remove bd_block_size_semaphore again fs/buffer.c: make block-size be per-page and protected by the page lock
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- 03 12月, 2012 3 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net由 Linus Torvalds 提交于
Pull networking fixes from David Miller: 1) 8139cp leaks memory in error paths, from Francois Romieu. 2) do_tcp_sendpages() cannot handle order > 0 pages, but they can certainly arrive there now, fix from Eric Dumazet. 3) Race condition and sysfs fixes in bonding from Nikolay Aleksandrov. 4) Remain-on-Channel fix in mac80211 from Felix Liao. 5) CCK rate calculation fix in iwlwifi, from Emmanuel Grumbach. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: 8139cp: fix coherent mapping leak in error path. tcp: fix crashes in do_tcp_sendpages() bonding: fix race condition in bonding_store_slaves_active bonding: make arp_ip_target parameter checks consistent with sysfs bonding: fix miimon and arp_interval delayed work race conditions mac80211: fix remain-on-channel (non-)cancelling iwlwifi: fix the basic CCK rates calculation
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git://neil.brown.name/md由 Linus Torvalds 提交于
Pull md bugfix from NeilBrown: "Single bugfix for raid1/raid10. Fixes a recently introduced deadlock." * tag 'md-3.7-fixes' of git://neil.brown.name/md: md/raid1{,0}: fix deadlock in bitmap_unplug.
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由 Al Viro 提交于
The usual rules for open()/openat()/open_by_handle_at() are 1) native 32bit - don't force O_LARGEFILE in flags 2) native 64bit - force O_LARGEFILE in flags 3) compat on 64bit host - as for native 32bit 4) native 32bit ABI for 64bit system (mips/n32, x86/x32) - as for native 64bit There are only two exceptions - s390 compat has open() forcing O_LARGEFILE and arm64 compat has open_by_handle_at() doing the same thing. The same binaries on native host (s390/31 and arm resp.) will *not* force O_LARGEFILE, so IMO both are emulation bugs. Objections? The fix is obvious... Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 02 12月, 2012 10 次提交
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由 Sachin Kamat 提交于
linux/err.h was included twice. Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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由 Shubhrajyoti D 提交于
Fix the below warning drivers/spi/spi-omap2-mcspi.c:336:34: warning: symbol 'tx' shadows an earlier one drivers/spi/spi-omap2-mcspi.c:327:12: originally declared here So delete the u8 tx as it is assigned and not used(resigned afterwards). Signed-off-by: NShubhrajyoti D <shubhrajyoti@ti.com> Acked-by: NPeter Korsgaard <jacmet@sunsite.dk> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq由 Linus Torvalds 提交于
Pull late workqueue fixes from Tejun Heo: "Unfortunately, I have two really late fixes. One was for a long-standing bug and queued for 3.8 but I found out about a regression introduced during 3.7-rc1 two days ago, so I'm sending out the two fixes together. The first (long-standing) one is rescuer_thread() entering exit path w/ TASK_INTERRUPTIBLE. It only triggers on workqueue destructions which isn't very frequent and the exit path can usually survive being called with TASK_INTERRUPT, so it was hidden pretty well. Apparently, if you're reiserfs, this could lead to the exiting kthread sleeping indefinitely holding a mutex, which is never good. The fix is simple - restoring TASK_RUNNING before returning from the kthread function. The second one is introduced by the new mod_delayed_work(). mod_delayed_work() was missing special case handling for 0 delay. Instead of queueing the work item immediately, it queued the timer which expires on the closest next tick. Some users of the new function converted from "[__]cancel_delayed_work() + queue_delayed_work()" combination became unhappy with the extra delay. Block unplugging led to noticeably higher number of context switches and intel 6250 wireless failed to associate with WPA-Enterprise network. The fix, again, is fairly simple. The 0 delay special case logic from queue_delayed_work_on() should be moved to __queue_delayed_work() which is shared by both queue_delayed_work_on() and mod_delayed_work_on(). The first one is difficult to trigger and the failure mode for the latter isn't completely catastrophic, so missing these two for 3.7 wouldn't make it a disastrous release, but both bugs are nasty and the fixes are fairly safe" * 'for-3.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: mod_delayed_work_on() shouldn't queue timer on 0 delay workqueue: exit rescuer_thread() as TASK_RUNNING
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由 françois romieu 提交于
cp_open [...] rc = cp_alloc_rings(cp); if (rc) return rc; cp_alloc_rings [...] mem = dma_alloc_coherent(&cp->pdev->dev, CP_RING_BYTES, &cp->ring_dma, GFP_KERNEL); - cp_alloc_rings never frees the coherent mapping it allocates - neither do cp_open when cp_alloc_rings fails Signed-off-by: NFrancois Romieu <romieu@fr.zoreil.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
Recent network changes allowed high order pages being used for skb fragments. This uncovered a bug in do_tcp_sendpages() which was assuming its caller provided an array of order-0 page pointers. We only have to deal with a single page in this function, and its order is irrelevant. Reported-by: NWilly Tarreau <w@1wt.eu> Tested-by: NWilly Tarreau <w@1wt.eu> Signed-off-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tejun Heo 提交于
8376fe22 ("workqueue: implement mod_delayed_work[_on]()") implemented mod_delayed_work[_on]() using the improved try_to_grab_pending(). The function is later used, among others, to replace [__]candel_delayed_work() + queue_delayed_work() combinations. Unfortunately, a delayed_work item w/ zero @delay is handled slightly differently by mod_delayed_work_on() compared to queue_delayed_work_on(). The latter skips timer altogether and directly queues it using queue_work_on() while the former schedules timer which will expire on the closest tick. This means, when @delay is zero, that [__]cancel_delayed_work() + queue_delayed_work_on() makes the target item immediately executable while mod_delayed_work_on() may induce delay of upto a full tick. This somewhat subtle difference breaks some of the converted users. e.g. block queue plugging uses delayed_work for deferred processing and uses mod_delayed_work_on() when the queue needs to be immediately unplugged. The above problem manifested as noticeably higher number of context switches under certain circumstances. The difference in behavior was caused by missing special case handling for 0 delay in mod_delayed_work_on() compared to queue_delayed_work_on(). Joonsoo Kim posted a patch to add it - ("workqueue: optimize mod_delayed_work_on() when @delay == 0")[1]. The patch was queued for 3.8 but it was described as optimization and I missed that it was a correctness issue. As both queue_delayed_work_on() and mod_delayed_work_on() use __queue_delayed_work() for queueing, it seems that the better approach is to move the 0 delay special handling to the function instead of duplicating it in mod_delayed_work_on(). Fix the problem by moving 0 delay special case handling from queue_delayed_work_on() to __queue_delayed_work(). This replaces Joonsoo's patch. [1] http://thread.gmane.org/gmane.linux.kernel/1379011/focus=1379012Signed-off-by: NTejun Heo <tj@kernel.org> Reported-and-tested-by: NAnders Kaseorg <andersk@MIT.EDU> Reported-and-tested-by: NZlatko Calusic <zlatko.calusic@iskon.hr> LKML-Reference: <alpine.DEB.2.00.1211280953350.26602@dr-wily.mit.edu> LKML-Reference: <50A78AA9.5040904@iskon.hr> Cc: Joonsoo Kim <js1304@gmail.com>
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由 Mike Galbraith 提交于
A rescue thread exiting TASK_INTERRUPTIBLE can lead to a task scheduling off, never to be seen again. In the case where this occurred, an exiting thread hit reiserfs homebrew conditional resched while holding a mutex, bringing the box to its knees. PID: 18105 TASK: ffff8807fd412180 CPU: 5 COMMAND: "kdmflush" #0 [ffff8808157e7670] schedule at ffffffff8143f489 #1 [ffff8808157e77b8] reiserfs_get_block at ffffffffa038ab2d [reiserfs] #2 [ffff8808157e79a8] __block_write_begin at ffffffff8117fb14 #3 [ffff8808157e7a98] reiserfs_write_begin at ffffffffa0388695 [reiserfs] #4 [ffff8808157e7ad8] generic_perform_write at ffffffff810ee9e2 #5 [ffff8808157e7b58] generic_file_buffered_write at ffffffff810eeb41 #6 [ffff8808157e7ba8] __generic_file_aio_write at ffffffff810f1a3a #7 [ffff8808157e7c58] generic_file_aio_write at ffffffff810f1c88 #8 [ffff8808157e7cc8] do_sync_write at ffffffff8114f850 #9 [ffff8808157e7dd8] do_acct_process at ffffffff810a268f [exception RIP: kernel_thread_helper] RIP: ffffffff8144a5c0 RSP: ffff8808157e7f58 RFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8107af60 RDI: ffff8803ee491d18 RBP: 0000000000000000 R8: 0000000000000000 R9: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 Signed-off-by: NMike Galbraith <mgalbraith@suse.de> Signed-off-by: NTejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs由 Linus Torvalds 提交于
Pull vfs fixes from Al Viro: "A bunch of fixes; the last one is this cycle regression, the rest are -stable fodder." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fix off-by-one in argument passed by iterate_fd() to callbacks lookup_one_len: don't accept . and .. cifs: get rid of blind d_drop() in readdir nfs_lookup_revalidate(): fix a leak don't do blind d_drop() in nfs_prime_dcache()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull RCU fix from Ingo Molnar: "Fix leaking RCU extended quiescent state, which might trigger warnings and mess up the extended quiescent state tracking logic into thinking that we are in "RCU user mode" while we aren't." * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: rcu: Fix unrecovered RCU user mode in syscall_trace_leave()
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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: "This is mostly about unbreaking architectures that took the UAPI changes in the v3.7 cycle, plus misc fixes." * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf kvm: Fix building perf kvm on non x86 arches perf kvm: Rename perf_kvm to perf_kvm_stat perf: Make perf build for x86 with UAPI disintegration applied perf powerpc: Use uapi/unistd.h to fix build error tools: Pass the target in descend tools: Honour the O= flag when tool build called from a higher Makefile tools: Define a Makefile function to do subdir processing x86: Export asm/{svm.h,vmx.h,perf_regs.h} perf tools: Fix strbuf_addf() when the buffer needs to grow perf header: Fix numa topology printing perf, powerpc: Fix hw breakpoints returning -ENOSPC
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- 01 12月, 2012 11 次提交
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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/acme/linux into perf/urgent Pull perf/urgent fixes from Arnaldo Carvalho de Melo: - Don't build 'perf kvm stat" on non-x86 arches, fix from Xiao Guangrong. - UAPI fixes to get perf building again in non-x86 arches, from David Howells. Signed-off-by: NArnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: NIngo Molnar <mingo@kernel.org>
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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. This includes the resume-time FPU corruption fix from the chromeos guys, marked for stable. * 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, fpu: Avoid FPU lazy restore after suspend x86-32: Unbreak booting on some 486 clones x86, kvm: Remove incorrect redundant assembly constraint
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git://linux-c6x.org/git/projects/linux-c6x-upstreaming由 Linus Torvalds 提交于
Pull C6X fixes from Mark Salter. * tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming: c6x: use generic kvm_para.h c6x: remove internal kernel symbols from exported setup.h c6x: fix misleading comment c6x: run do_notify_resume with interrupts enabled
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal由 Linus Torvalds 提交于
Pull assorted signal-related fixes from Al Viro: "uml regression fix (braino in sys_execve() patch) + a bunch of fucked sigaltstack-on-rt_sigreturn uses, similar to sparc64 fix that went in through davem's tree. m32r horrors not included - that one's waiting for maintainer." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: microblaze: rt_sigreturn is too trigger-happy about sigaltstack errors score: do_sigaltstack() expects a userland pointer... sh64: fix altstack switching on sigreturn openrisk: fix altstack switching on sigreturn um: get_safe_registers() should be done in flush_thread(), not start_thread()
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git://git.samba.org/sfrench/cifs-2.6由 Linus Torvalds 提交于
Pull CIFS fixes from Steve French: "Two low risk, small fixes, that fix cifs regressions introduced in 3.7." * 'for-linus' of git://git.samba.org/sfrench/cifs-2.6: CIFS: Fix wrong buffer pointer usage in smb_set_file_info cifs: fix writeback race with file that is growing
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git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc由 Linus Torvalds 提交于
Pull remoteproc fix from Ohad Ben-Cohen: "A single remoteproc fix for an error path issue reported by Ido Yariv." * tag 'rproc-3.7-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc: remoteproc: fix error path of ->find_vqs
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending由 Linus Torvalds 提交于
Pull target fix from Nicholas Bellinger: "So just a single target fix for v3.7.0 this time around from Roland to address a aborted command bug w/ tcm_qla2xxx fabric ports. Also, there is one outstanding IBLOCK + virtio-blk bug that is still being tracked down effecting v3.6.x, but AFAICT thus far this appears to be a bug outside of target code." * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: target: Fix handling of aborted commands
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由 Vincent Palatin 提交于
When a cpu enters S3 state, the FPU state is lost. After resuming for S3, if we try to lazy restore the FPU for a process running on the same CPU, this will result in a corrupted FPU context. Ensure that "fpu_owner_task" is properly invalided when (re-)initializing a CPU, so nobody will try to lazy restore a state which doesn't exist in the hardware. Tested with a 64-bit kernel on a 4-core Ivybridge CPU with eagerfpu=off, by doing thousands of suspend/resume cycles with 4 processes doing FPU operations running. Without the patch, a process is killed after a few hundreds cycles by a SIGFPE. Cc: Duncan Laurie <dlaurie@chromium.org> Cc: Olof Johansson <olofj@chromium.org> Cc: <stable@kernel.org> v3.4+ # for 3.4 need to replace this_cpu_write by percpu_write Signed-off-by: NVincent Palatin <vpalatin@chromium.org> Link: http://lkml.kernel.org/r/1354306532-1014-1-git-send-email-vpalatin@chromium.orgSigned-off-by: NH. Peter Anvin <hpa@linux.intel.com>
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git://people.freedesktop.org/~airlied/linux由 Linus Torvalds 提交于
Pull DRM fixes from Dave Airlie: "Just driver fixes, nothing major, except maybe the Ironlake rc6 disable: - intel: * revert ironlake rc6 - we still have one ilk regression, but this gets rid of one big one * turn off cloning * a directed fix for Apple edp - radeon: one modesetting fix - exynos: minor fixes" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: radeon: fix pll/ctrc mapping on dce2 and dce3 hardware Revert "drm/i915: enable rc6 on ilk again" drm/i915: do not default to 18 bpp for eDP if missing from VBT drm/exynos: Fix potential NULL pointer dereference in exynos_drm_encoder.c drm/exynos: Make exynos4/5_fimd_driver_data static drm/exynos: fix overlay updating issue drm/exynos: remove unnecessary code. drm/exynos: fix linux framebuffer address setting. drm/i915: disable cloning on sdvo
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由 Linus Torvalds 提交于
Merge misc fixes from Andrew Morton: "Seven fixes, some of them fingers-crossed :(" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (7 patches) drivers/rtc/rtc-tps65910.c: fix invalid pointer access on _remove() mm: soft offline: split thp at the beginning of soft_offline_page() mm: avoid waking kswapd for THP allocations when compaction is deferred or contended revert "Revert "mm: remove __GFP_NO_KSWAPD"" mm: vmscan: fix endless loop in kswapd balancing mm/vmemmap: fix wrong use of virt_to_page mm: compaction: fix return value of capture_free_page()
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc由 Linus Torvalds 提交于
Pull ARM SoC fixes from Arnd Bergmann: "These are three fixes for the Marvell EBU family and one for the Samsung s3c platforms. All of them are obvious should still make it into 3.7." * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: Kirkwood: Update PCI-E fixup Dove: Fix irq_to_pmu() Dove: Attempt to fix PMU/RTC interrupts ARM: S3C24XX: Fix potential NULL pointer dereference error
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