- Sep 06, 2009
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Linus Torvalds authored
Merge branch 'perfcounters-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perfcounters-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf_counter/powerpc: Fix cache event codes for POWER7 perf_counter: Fix /0 bug in swcounters perf_counters: Increase paranoia level
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: atkbd - add Compaq Presario R4000-series repeat quirk Input: i8042 - add Acer Aspire 5536 to the nomux list
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Nicolas Pitre authored
In ext2_rename(), dir_page is acquired through ext2_dotdot(). It is then released through ext2_set_link() but only if old_dir != new_dir. Failing that, the pkmap reference count is never decremented and the page remains pinned forever. Repeat that a couple times with highmem pages and all pkmap slots get exhausted, and every further kmap() calls end up stalling on the pkmap_map_wait queue at which point the whole system comes to a halt. Signed-off-by:
Nicolas Pitre <nico@marvell.com> Acked-by:
Theodore Ts'o <tytso@mit.edu> Cc: stable@kernel.org Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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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: ocfs2_write_begin_nolock() should handle len=0 ocfs2: invalidate dentry if its dentry_lock isn't initialized.
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Linus Torvalds authored
The whole write-room thing is something that is up to the _caller_ to worry about, not the pty layer itself. The total buffer space will still be limited by the buffering routines themselves, so there is no advantage or need in having pty_write() artificially limit the size somehow. And what happened was that the caller (the n_tty line discipline, in this case) may have verified that there is room for 2 bytes to be written (for NL -> CRNL expansion), and it used to then do those writes as two single-byte writes. And if the first byte written (CR) then caused a new tty buffer to be allocated, pty_space() may have returned zero when trying to write the second byte (LF), and then incorrectly failed the write - leading to a lost newline character. This should finally fix http://bugzilla.kernel.org/show_bug.cgi?id=14015 Reported-by:
Mikael Pettersson <mikpe@it.uu.se> Acked-by:
Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
When translating CR to CRNL in the n_tty line discipline, we did it as two tty_put_char() calls. Which works, but is stupid, and has caused problems before too with bad interactions with the write_room() logic. The generic USB serial driver had that problem, for example. Now the pty layer had similar issues after being moved to the generic tty buffering code (in commit d945cb9c : "pty: Rework the pty layer to use the normal buffering logic"). So stop doing the silly separate two writes, and do it as a single write instead. That's what the n_tty layer already does for the space expansion of tabs (XTABS), and it means that we'll now always have just a single write for the CRNL to match the single 'tty_write_room()' test, which hopefully means that the next time somebody screws up buffering, it won't cause weeks of debugging. Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Oleg Nesterov authored
Tom Horsley reports that his debugger hangs when it tries to read /proc/pid_of_tracee/maps, this happens since "mm_for_maps: take ->cred_guard_mutex to fix the race with exec" 04b836cbf19e885f8366bccb2e4b0474346c02d commit in 2.6.31. But the root of the problem lies in the fact that do_execve() path calls tracehook_report_exec() which can stop if the tracer sets PT_TRACE_EXEC. The tracee must not sleep in TASK_TRACED holding this mutex. Even if we remove ->cred_guard_mutex from mm_for_maps() and proc_pid_attr_write(), another task doing PTRACE_ATTACH should not hang until it is killed or the tracee resumes. With this patch do_execve() does not use ->cred_guard_mutex directly and we do not hold it throughout, instead: - introduce prepare_bprm_creds() helper, it locks the mutex and calls prepare_exec_creds() to initialize bprm->cred. - install_exec_creds() drops the mutex after commit_creds(), and thus before tracehook_report_exec()->ptrace_stop(). or, if exec fails, free_bprm() drops this mutex when bprm->cred != NULL which indicates install_exec_creds() was not called. Reported-by:
Tom Horsley <tom.horsley@att.net> Signed-off-by:
Oleg Nesterov <oleg@redhat.com> Acked-by:
David Howells <dhowells@redhat.com> Cc: Roland McGrath <roland@redhat.com> Cc: James Morris <jmorris@namei.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Mel Gorman authored
On low-memory systems, anti-fragmentation gets disabled as fragmentation cannot be avoided on a sufficiently large boundary to be worthwhile. Once disabled, there is a period of time when all the pageblocks are marked MOVABLE and the expectation is that they get marked UNMOVABLE at each call to __rmqueue_fallback(). However, when MAX_ORDER is large the pageblocks do not change ownership because the normal criteria are not met. This has the effect of prematurely breaking up too many large contiguous blocks. This is most serious on NOMMU systems which depend on high-order allocations to boot. This patch causes pageblocks to change ownership on every fallback when anti-fragmentation is disabled. This prevents the large blocks being prematurely broken up. This is a fix to commit 49255c61 [page allocator: move check for disabled anti-fragmentation out of fastpath] and the problem affects 2.6.31-rc8. Signed-off-by:
Mel Gorman <mel@csn.ul.ie> Tested-by:
Paul Mundt <lethal@linux-sh.org> Cc: David Howells <dhowells@redhat.com> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Acked-by:
Greg Ungerer <gerg@snapgear.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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David Howells authored
Fix the error handling in do_mmap_pgoff(). If do_mmap_shared_file() or do_mmap_private() fail, we jump to the error_put_region label at which point we cann __put_nommu_region() on the region - but we haven't yet added the region to the tree, and so __put_nommu_region() may BUG because the region tree is empty or it may corrupt the region tree. To get around this, we can afford to add the region to the region tree before calling do_mmap_shared_file() or do_mmap_private() as we keep nommu_region_sem write-locked, so no-one can race with us by seeing a transient region. Signed-off-by:
David Howells <dhowells@redhat.com> Acked-by:
Pekka Enberg <penberg@cs.helsinki.fi> Acked-by:
Paul Mundt <lethal@linux-sh.org> Cc: Mel Gorman <mel@csn.ul.ie> Acked-by:
Greg Ungerer <gerg@snapgear.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Oleg Nesterov authored
cancel_delayed_work() has to use del_timer_sync() to guarantee the timer function is not running after return. But most users doesn't actually need this, and del_timer_sync() has problems: it is not useable from interrupt, and it depends on every lock which could be taken from irq. Introduce __cancel_delayed_work() which calls del_timer() instead. The immediate reason for this patch is http://bugzilla.kernel.org/show_bug.cgi?id=13757 but hopefully this helper makes sense anyway. As for 13757 bug, actually we need requeue_delayed_work(), but its semantics are not yet clear. Merge this patch early to resolves cross-tree interdependencies between input and infiniband. Signed-off-by:
Oleg Nesterov <oleg@redhat.com> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Roland Dreier <rdreier@cisco.com> Cc: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- Sep 05, 2009
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Sunil Mushran authored
Bug introduced by mainline commit e7432675 The bug causes ocfs2_write_begin_nolock() to oops when len=0. Signed-off-by:
Sunil Mushran <sunil.mushran@oracle.com> Cc: stable@kernel.org Signed-off-by:
Joel Becker <joel.becker@oracle.com>
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- Sep 04, 2009
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Dave Andrews authored
Compaq Presario R4000-series laptops are not sending a "volume up button release" and "volume down button release" signal in the PS/2 protocol for atkbd. The URL below has some of confirmed reports: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/385477 Signed-off-by:
Dave Andrews <jetdog330@hotmail.com> Signed-off-by:
Dmitry Torokhov <dtor@mail.ru>
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- Sep 03, 2009
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Paul Mackerras authored
I had the codes for L1 D-cache load accesses and misses swapped around, and the wrong codes for LL-cache accesses and misses. This corrects them. Reported-by:
Corey Ashford <cjashfor@linux.vnet.ibm.com> Signed-off-by:
Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: <stable@kernel.org> LKML-Reference: <19103.8514.709300.585484@cargo.ozlabs.ibm.com> Signed-off-by:
Ingo Molnar <mingo@elte.hu>
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- Sep 01, 2009
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Ian Kent authored
In the recent change by Al Viro that changes verious subsystems to use "struct path" one case was missed in the autofs4 module which causes mounts to no longer expire. Signed-off-by:
Ian Kent <raven@themaw.net> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6Linus Torvalds authored
* 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - Fix MacBookPro 3,1/4,1 quirk with ALC889A ALSA: hda - Add missing mux check for VT1708
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6Linus Torvalds authored
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: V4L/DVB (12564a): MAINTAINERS: Update gspca sn9c20x name style V4L/DVB (12502): gspca - sn9c20x: Fix gscpa sn9c20x build errors. V4L/DVB (12495): em28xx: Don't call em28xx_ir_init when disable_ir is true V4L/DVB (12457): zr364: wrong indexes V4L/DVB (12451): Update KConfig File to enable SDIO and USB interfaces V4L/DVB (12450): Siano: Fixed SDIO compilation bugs V4L/DVB (12449): adds webcam for Micron device MT9M111 0x143A to em28xx V4L/DVB (12446): sms1xxx: restore GPIO functionality for all Hauppauge devices
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Benjamin Herrenschmidt authored
My previous patch (commit 4f8ee2c9 : "lmb: Remove __init from lmb_end_of_DRAM()") removed __init in lmb.c but missed the fact that it was also marked as such in the .h Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Bartlomiej Zolnierkiewicz authored
Commit log for commit 517d3cc1 ("[libata] ata_piix: Enable parallel scan") says: This patch turns on parallel scanning for the ata_piix driver. This driver is used on most netbooks (no AHCI for cheap storage it seems). The scan is the dominating time factor in the kernel boot for these devices; with this flag it gets cut in half for the device I used for testing (eeepc). Alan took a look at the driver source and concluded that it ought to be safe to do for this driver. Alan has also checked with the hardware team. and it is all true but once we put all things together additional constraints for PATA controllers show up (some hardware registers have per-host not per-port atomicity) and we risk misprogramming the controller. I used the following test to check whether the issue is real: @@ -736,8 +736,20 @@ static void piix_set_piomode(struct ata_ (timings[pio][1] << 8); } pci_write_config_word(dev, master_port, master_data); - if (is_slave) + if (is_slave) { + if (ap->port_no == 0) { + u8 tmp = slave_data; + + while (slave_data == tmp) { + pci_read_config_byte(dev, slave_port, &tmp); + msleep(50); + } + + dev_printk(KERN_ERR, &dev->dev, "PATA parallel scan " + "race detected\n"); + } pci_write_config_byte(dev, slave_port, slave_data); + } /* Ensure the UDMA bit is off - it will be turned back on if UDMA is selected */ and it indeed triggered the error message. Lets fix all such races by adding an extra locking to ->set_piomode and ->set_dmamode methods for PATA controllers. [ Alan: would be better to take the host lock in libata-core for these cases so that we fix all the adapters in one swoop. "Looks fine as a temproary quickfix tho" ] Cc: Arjan van de Ven <arjan@linux.intel.com> Acked-by:
Alan Cox <alan@linux.intel.com> Cc: Jeff Garzik <jgarzik@redhat.com> Signed-off-by:
Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intelLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel: drm/i915: Improve CRTDDC mapping by using VBT info drm/i915: Fix CPU-spinning hangs related to fence usage by using an LRU. drm/i915: Set crtc/clone mask in different output devices drm/i915: Always use SDVO_B detect bit for SDVO output detection. drm/i915: Fix typo that broke SVID1 in intel_sdvo_multifunc_encoder() drm/i915: Check if BIOS enabled dual-channel LVDS on 8xx, not only on 9xx drm/i915: Set the multiplier for SDVO on G33 platform
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- Aug 31, 2009
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Takashi Iwai authored
This patch fixes the wrong headphone output routing for MacBookPro 3,1/4,1 quirk with ALC889A codec, which caused the silent headphone output. Also, this gives the individual Headphone and Speaker volume controls. Reference: kernel bug#14078 http://bugzilla.kernel.org/show_bug.cgi?id=14078 Signed-off-by:
Takashi Iwai <tiwai@suse.de> Cc: <stable@kernel.org>
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Takashi Iwai authored
In patch_vt1708(), the check of MUX nids is missing and this results in the -EINVAL error in accessing Input Source mixer element. Simpliy adding the call of get_mux_nids() fixes the problem. Reference: Novell bnc#534904 https://bugzilla.novell.com/show_bug.cgi?id=534904 Signed-off-by:
Takashi Iwai <tiwai@suse.de>
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Joe Perches authored
To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Randy Dunlap authored
Reported-by:
Toralf Forster <toralf.foerster@gmx.de> Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
Jean-Francois Moine <moinejf@free.fr> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Shine Liu authored
We should call em28xx_ir_init(dev) only when disable_ir is true. Signed-off-by:
Shine Liu <shinel@foxmail.com> Reviewed-by:
Devin Heitmueller <dheitmueller@kernellabs.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Roel Kluin authored
The order of indexes is reversed Signed-off-by:
Roel Kluin <roel.kluin@gmail.com> Signed-off-by:
Antoine Jacquet <royale@zerezo.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Udi Atar authored
Update KConfig file to enbale selection of SDIO and USB interfaces, and add dependancy on relevant modules. [mchehab@redhat.com: fix merge conflicts, remove default: m, add missing endmenu] Signed-off-by:
Udi Atar <udia@siano-ms.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Udi Atar authored
Fixed SDIO compilation bugs Also fixed a memory overrun issue in buffer management. Signed-off-by:
Udi Atar <udia@siano-ms.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Mauro Carvalho Chehab authored
[mchehab@redhat.com: fix merge conflict and a few CodingStyle issues] Signed-off-by:
Steve Gotthardt <gotthardt@gmail.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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Michael Krufky authored
Previous changesets broke Hauppauge devices and their GPIO configurations. This changeset restores the LED & LNA functionality. Signed-off-by:
Michael Krufky <mkrufky@kernellabs.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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- Aug 30, 2009
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David Müller (ELSOFT AG) authored
Use VBT information to determine which DDC bus to use for CRTDCC. Fall back to GPIOA if VBT info is not available. Signed-off-by:
David Müller <d.mueller@elsoft.ch> Reviewed-by:
Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by:
Eric Anholt <eric@anholt.net> Tested on: 855 (David), and 945GM, 965GM, GM45, and G45 (anholt)
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Eric Anholt authored
The lack of a proper LRU was partially worked around by taking the fence from the object containing the oldest seqno. But if there are multiple objects inactive, then they don't have seqnos and the first fence reg among them would be chosen. If you were trying to copy data between two mappings, this could result in each page fault stealing the fence from the other argument, and your application hanging. https://bugs.freedesktop.org/show_bug.cgi?id=23566 https://bugs.freedesktop.org/show_bug.cgi?id=23220 https://bugs.freedesktop.org/show_bug.cgi?id=23253 https://bugs.freedesktop.org/show_bug.cgi?id=23366 Cc: Stable Team <stable@kernel.org> Signed-off-by:
Eric Anholt <eric@anholt.net> Reviewed-by:
Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by:
Chris Wilson <chris@chris-wilson.co.uk>
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- Aug 29, 2009
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Peter Zijlstra authored
We have a race in the swcounter stuff where we can start counting a counter that has never been enabled, this leads to a /0 situation. The below avoids the /0 but doesn't close the race, this would need a new counter state. The race is due to perf_swcounter_is_counting() which cannot discern between disabled due to scheduled out, and disabled for any other reason. Such a crash has been seen by Ingo: [ 967.092372] divide error: 0000 [#1] SMP [ 967.096499] last sysfs file: /sys/devices/system/cpu/cpu15/cache/index2/shared_cpu_map [ 967.104846] CPU 5 [ 967.106965] Modules linked in: [ 967.110169] Pid: 3351, comm: hackbench Not tainted 2.6.31-rc8-tip-01158-gd940a54-dirty #1568 X8DTN [ 967.119456] RIP: 0010:[<ffffffff810c0aba>] [<ffffffff810c0aba>] perf_swcounter_ctx_event+0x127/0x1af [ 967.129137] RSP: 0018:ffff8801a95abd70 EFLAGS: 00010046 [ 967.134699] RAX: 0000000000000002 RBX: ffff8801bd645c00 RCX: 0000000000000002 [ 967.142162] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801bd645d40 [ 967.149584] RBP: ffff8801a95abdb0 R08: 0000000000000001 R09: ffff8801a95abe00 [ 967.157042] R10: 0000000000000037 R11: ffff8801aa1245f8 R12: ffff8801a95abe00 [ 967.164481] R13: ffff8801a95abe00 R14: ffff8801aa1c0e78 R15: 0000000000000001 [ 967.171953] FS: 0000000000000000(0000) GS:ffffc90000a00000(0063) knlGS:00000000f7f486c0 [ 967.180406] CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b [ 967.186374] CR2: 000000004822c0ac CR3: 00000001b19a2000 CR4: 00000000000006e0 [ 967.193770] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 967.201224] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 967.208692] Process hackbench (pid: 3351, threadinfo ffff8801a95aa000, task ffff8801a96b0000) [ 967.217607] Stack: [ 967.219711] 0000000000000000 0000000000000037 0000000200000001 ffffc90000a1107c [ 967.227296] <0> ffff8801a95abe00 0000000000000001 0000000000000001 0000000000000037 [ 967.235333] <0> ffff8801a95abdf0 ffffffff810c0c20 0000000200a14f30 ffff8801a95abe40 [ 967.243532] Call Trace: [ 967.246103] [<ffffffff810c0c20>] do_perf_swcounter_event+0xde/0xec [ 967.252635] [<ffffffff810c0ca7>] perf_tpcounter_event+0x79/0x7b [ 967.258957] [<ffffffff81037f73>] ftrace_profile_sched_switch+0xc0/0xcb [ 967.265791] [<ffffffff8155f22d>] schedule+0x429/0x4c4 [ 967.271156] [<ffffffff8100c01e>] int_careful+0xd/0x14 Reported-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1251472247.17617.74.camel@laptop> Signed-off-by:
Ingo Molnar <mingo@elte.hu>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6Linus Torvalds authored
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: ACPI: don't free non-existent backlight in acpi video module toshiba_acpi: return on a fail path ACPICA: Windows compatibility fix: same buffer/string store
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git://git.infradead.org/users/eparis/notifyLinus Torvalds authored
* 'for-linus' of git://git.infradead.org/users/eparis/notify: inotify: update the group mask on mark addition inotify: fix length reporting and size checking inotify: do not send a block of zeros when no pathname is available
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Grant Grundler authored
On Tue, Aug 18, 2009 at 01:45:17PM -0400, John David Anglin wrote: > CC arch/parisc/kernel/traps.o > arch/parisc/kernel/traps.c: In function 'handle_interruption': > arch/parisc/kernel/traps.c:535:18: warning: operation on 'regs->iasq[0]' > may be undefined Yes - Line 535 should use both [0] and [1]. Reported-by:
John David Anglin <dave@hiauly1.hia.nrc.ca> Signed-off-by:
Grant Grundler <grundler@parisc-linux.org> Signed-off-by:
Kyle McMartin <kyle@mcmartin.ca> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Trond Myklebust authored
This patch fixes the bug that was reported in http://bugzilla.kernel.org/show_bug.cgi?id=14053 If we're in the case where we need to force a reencode and then resend of the RPC request, due to xprt_transmit failing with a networking error, then we _must_ retransmit the entire request. Signed-off-by:
Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@kernel.org Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Ingo Molnar authored
> James Bottomley (1): > module: workaround duplicate section names -tip testing found that this patch breaks the build on x86 if CONFIG_KALLSYMS is disabled: kernel/module.c: In function ‘load_module’: kernel/module.c:2367: error: ‘struct module’ has no member named ‘sect_attrs’ distcc[8269] ERROR: compile kernel/module.c on ph/32 failed make[1]: *** [kernel/module.o] Error 1 make: *** [kernel] Error 2 make: *** Waiting for unfinished jobs.... Commit 1b364bf4 misses the fact that section attributes are only built and dealt with if kallsyms is enabled. The patch below fixes this. ( note, technically speaking this should depend on CONFIG_SYSFS as well but this patch is correct too and keeps the #ifdef less intrusive - in the KALLSYMS && !SYSFS case the code is a NOP. ) Signed-off-by:
Ingo Molnar <mingo@elte.hu> [ Replaced patch with a slightly cleaner variation by James Bottomley ] Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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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: Fix vSMP boot crash x86, xen: Initialize cx to suppress warning x86, xen: Suppress WP test on Xen
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Keith Packard authored
acpi_video_put_one_device was attempting to remove sysfs entries and unregister a backlight device without first checking that said backlight device structure had been created. Signed-off-by:
Keith Packard <keithp@keithp.com> Acked-by:
Zhang Rui <rui.zhang@intel.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Len Brown <len.brown@intel.com>
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Jiri Slaby authored
Return from bt_rfkill_poll() when hci_get_radio_state() fails. value is invalid in that case and should not be assigned to the rfkill state. This also fixes a double unlock bug. Signed-off-by:
Jiri Slaby <jirislaby@gmail.com> Cc: John W. Linville <linville@tuxdriver.com> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Len Brown <len.brown@intel.com>
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