Linus Torvalds [Mon, 30 Nov 2009 22:00:09 +0000 (14:00 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/mszeredi/fuse
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: reject O_DIRECT flag also in fuse_create
Linus Torvalds [Mon, 30 Nov 2009 21:59:51 +0000 (13:59 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: keyboard - fix braille keyboard keysym generation
Linus Torvalds [Mon, 30 Nov 2009 21:58:50 +0000 (13:58 -0800)]
Merge branch 'pm-fixes' of git://git./linux/kernel/git/rafael/suspend-2.6
* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
PM: fix irq enable/disable in runtime PM code
Linus Torvalds [Mon, 30 Nov 2009 21:58:23 +0000 (13:58 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
firewire: ohci: pass correct iso xmit timestamps to core
firewire: ohci: Make cycleMatch ISO transmission work
Linus Torvalds [Mon, 30 Nov 2009 21:58:01 +0000 (13:58 -0800)]
Merge branch 'for_linus' of git://git./linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
V4L/DVB (13372): staging/go7007: fix mutex function usage for s2250
staging/go7007: Fix compilation by re-adding the missing s2250-loader.h
V4L/DVB (13530): Fix wrong parameter order in memset
V4L/DVB (13481): sh_mobile_ceu_camera: fix compile warning
V4L/DVB (13436): cxusb: Fix hang on DViCO FusionHDTV DVB-T Dual Digital 4 (rev 1)
V4L/DVB (13412): SMS_SIANO_MDTV should depend on HAS_DMA
V4L/DVB (13372a): MAINTAINERS: addition of gspca_gl860 driver
V4L/DVB (13371): davinci: remove stray duplicate config pointer
V4L/DVB (13366): em28xx: fix Reddo DVB-C USB TV Box GPIO
V4L/DVB (13345): soc-camera: sh_mobile_ceu_camera: call pm_runtime_disable
V4L/DVB (13344): soc-camera: properly initialise the device object when reusing
V4L/DVB (13343): v4l: add more missing linux/sched.h includes
V4L/DVB (13321): radio-gemtek-pci: fix double mutex_lock
Linus Torvalds [Mon, 30 Nov 2009 21:57:19 +0000 (13:57 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/anholt/drm-intel
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
drm/i915: Select CONFIG_SHMEM
drm/i915: Fix CRT hotplug detect by checking really no channels attached
agp/intel: new host bridge support
drm/i915: Add more registers save/restore for Ironlake suspend
drm/i915: Fix IRQ stall issue on Ironlake
drm/i915: HDMI hardware workaround for Ironlake
drm/i915: Fix and cleanup DPLL calculation for Ironlake
drm/i915: Avoid potential sleep whilst holding spinlock
Linus Torvalds [Mon, 30 Nov 2009 21:57:03 +0000 (13:57 -0800)]
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
cciss: make device attrs static
Thaw refrigerated bdi flusher threads before invoking kthread_stop on them
Linus Torvalds [Mon, 30 Nov 2009 21:56:21 +0000 (13:56 -0800)]
Merge branch 'release' of git://git./linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
acerhdf: return temperature in milidegree instead of degree
thinkpad-acpi: fix detection of old ThinkPads
thinkpad-acpi: fix sign of ERESTARTSYS return
ACPI: Add Thinkpad T400, T500 to OSI(Linux) white-list
ACPICA: Silence the warning about _BIF returning the buffer
ACPI: DMI init_set_sci_en_on_resume for HP-Compaq C700
Linus Torvalds [Mon, 30 Nov 2009 21:55:48 +0000 (13:55 -0800)]
Merge branch 'fixes' of git://git./linux/kernel/git/davej/cpufreq
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] Enable ACPI PDC handshake for VIA/Centaur CPUs
Linus Torvalds [Mon, 30 Nov 2009 21:55:20 +0000 (13:55 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: AACI: fix recording bug
ALSA: AACI: fix AC97 multiple-open bug
ASoC: AIC23: Fixing infinite loop in resume path
ASoC: Fix suspend with active audio streams
Linus Torvalds [Mon, 30 Nov 2009 21:54:10 +0000 (13:54 -0800)]
Merge branch 'drm-linus' of git://git./linux/kernel/git/airlied/drm-2.6
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/fb: fix FBIOGET/PUT_VSCREENINFO pixel clock handling
drm: make sure page protections are updated after changing vm_flags
drm/radeon/kms: Report vga connector is connected according to ddc_probe
drm: mm always protect change to unused_nodes with unused_lock spinlock
drm/radeon/kms: Disable TV load detect on RS400,RC410,RS480
drm/radeon/kms: read back register before writing in IIO.
drm/radeon/kms: fix handling of d1/d2 vga
drm: work around EDIDs with bad htotal/vtotal values
drm/radeon/kms: resume AGP by calling init.
Linus Torvalds [Mon, 30 Nov 2009 21:53:53 +0000 (13:53 -0800)]
Merge branch 'fixes' of git://git./linux/kernel/git/djbw/async_tx
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx:
shdma: fix initialization error handling
ioat3: fix pq completion versus channel deallocation race
async_tx: build-time toggling of async_{syndrome,xor}_val dma support
dmaengine: include xor/pq validate in device_has_all_tx_types()
ioat2,3: report all uncorrectable errors
ioat3: specify valid address for disabled-Q or disabled-P
ioat2,3: disable asynchronous error notifications
ioat3: dca and raid operations are incompatible
ioat: silence "dca disabled" messages
Linus Torvalds [Mon, 30 Nov 2009 21:53:14 +0000 (13:53 -0800)]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
Staging: octeon-ethernet: Assign proper MAC addresses.
Staging: Octeon: Use symbolic values for irq numbers.
MIPS: Octeon: Fix compile error in drivers/staging/octeon/ethernet-mdio.c
David Woodhouse [Mon, 30 Nov 2009 09:06:40 +0000 (09:06 +0000)]
jffs2: Fix memory corruption in jffs2_read_inode_range()
In 2.6.23 kernel, commit
a32ea1e1f925399e0d81ca3f7394a44a6dafa12c
("Fix read/truncate race") fixed a race in the generic code, and as a
side effect, now do_generic_file_read() can ask us to readpage() past
the i_size. This seems to be correctly handled by the block routines
(e.g. block_read_full_page() fills the page with zeroes in case if
somebody is trying to read past the last inode's block).
JFFS2 doesn't handle this; it assumes that it won't be asked to read
pages which don't exist -- and thus that there will be at least _one_
valid 'frag' on the page it's being asked to read. It will fill any
holes with the following memset:
memset(buf, 0, min(end, frag->ofs + frag->size) - offset);
When the 'closest smaller match' returned by jffs2_lookup_node_frag() is
actually on a previous page and ends before 'offset', that results in:
memset(buf, 0, <huge unsigned negative>);
Hopefully, in most cases the corruption is fatal, and quickly causing
random oopses, like this:
root@10.0.0.4:~/ltp-fs-
20090531# ./testcases/kernel/fs/ftest/ftest01
Unable to handle kernel paging request for data at address 0x00000008
Faulting instruction address: 0xc01cd980
Oops: Kernel access of bad area, sig: 11 [#1]
[...]
NIP [
c01cd980] rb_insert_color+0x38/0x184
LR [
c0043978] enqueue_hrtimer+0x88/0xc4
Call Trace:
[
c6c63b60] [
c004f9a8] tick_sched_timer+0xa0/0xe4 (unreliable)
[
c6c63b80] [
c0043978] enqueue_hrtimer+0x88/0xc4
[
c6c63b90] [
c0043a48] __run_hrtimer+0x94/0xbc
[
c6c63bb0] [
c0044628] hrtimer_interrupt+0x140/0x2b8
[
c6c63c10] [
c000f8e8] timer_interrupt+0x13c/0x254
[
c6c63c30] [
c001352c] ret_from_except+0x0/0x14
--- Exception: 901 at memset+0x38/0x5c
LR = jffs2_read_inode_range+0x144/0x17c
[
c6c63cf0] [
00000000] (null) (unreliable)
This patch fixes the issue, plus fixes all LTP tests on NAND/UBI with
JFFS2 filesystem that were failing since 2.6.23 (seems like the bug
above also broke the truncation).
Reported-By: Anton Vorontsov <avorontsov@ru.mvista.com>
Tested-By: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Geert Uytterhoeven [Fri, 20 Nov 2009 19:48:31 +0000 (20:48 +0100)]
fbdev: Migrate mailing lists to vger
The fbdev mailing lists at SourceForge have been migrated to a single
mailing list at kernel.org: linux-fbdev@vger.kernel.org.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Mon, 30 Nov 2009 21:45:22 +0000 (13:45 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/rostedt/linux-2.6-kconfig
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-kconfig:
kconfig: Fix make O=<dir> local{mod,yes}config
Linus Torvalds [Mon, 30 Nov 2009 21:43:30 +0000 (13:43 -0800)]
Merge branch 'upstream-linus' of git://git./linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
sata_fsl: Split hard and soft reset
Linus Torvalds [Mon, 30 Nov 2009 21:33:48 +0000 (13:33 -0800)]
Merge git://git./linux/kernel/git/dhowells/linux-2.6-fscache
* git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-fscache: (31 commits)
FS-Cache: Provide nop fscache_stat_d() if CONFIG_FSCACHE_STATS=n
SLOW_WORK: Fix GFS2 to #include <linux/module.h> before using THIS_MODULE
SLOW_WORK: Fix CIFS to pass THIS_MODULE to slow_work_register_user()
CacheFiles: Don't log lookup/create failing with ENOBUFS
CacheFiles: Catch an overly long wait for an old active object
CacheFiles: Better showing of debugging information in active object problems
CacheFiles: Mark parent directory locks as I_MUTEX_PARENT to keep lockdep happy
CacheFiles: Handle truncate unlocking the page we're reading
CacheFiles: Don't write a full page if there's only a partial page to cache
FS-Cache: Actually requeue an object when requested
FS-Cache: Start processing an object's operations on that object's death
FS-Cache: Make sure FSCACHE_COOKIE_LOOKING_UP cleared on lookup failure
FS-Cache: Add a retirement stat counter
FS-Cache: Handle pages pending storage that get evicted under OOM conditions
FS-Cache: Handle read request vs lookup, creation or other cache failure
FS-Cache: Don't delete pending pages from the page-store tracking tree
FS-Cache: Fix lock misorder in fscache_write_op()
FS-Cache: The object-available state can't rely on the cookie to be available
FS-Cache: Permit cache retrieval ops to be interrupted in the initial wait phase
FS-Cache: Use radix tree preload correctly in tracking of pages to be stored
...
Pete Eberlein [Sun, 15 Nov 2009 11:14:14 +0000 (08:14 -0300)]
V4L/DVB (13372): staging/go7007: fix mutex function usage for s2250
Fix mutex function usage, which was overlooked in a previous patch.
Signed-off-by: Pete Eberlein <pete@sensoray.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Mauro Carvalho Chehab [Mon, 30 Nov 2009 19:37:20 +0000 (17:37 -0200)]
staging/go7007: Fix compilation by re-adding the missing s2250-loader.h
As pointed by Stefan Lippers-Hollmann <s.L-H@gmx.de>,
Commit:
fd9a40da1db372833e1af6397d2f6c94ceff3dad broke s2250
compilation.
This patch re-adds the missing s2250-loader.h
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Gertjan van Wingerde [Tue, 24 Nov 2009 05:34:03 +0000 (06:34 +0100)]
.gitignore: Add bzip2 compressed files
We can have bzip2 compressed images nowadays.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Helge Deller [Sat, 28 Nov 2009 20:33:11 +0000 (20:33 +0000)]
parisc: fix unwind with recent gcc versions
kernel unwinding is broken with gcc >= 4.x. Part of the problem is that
binutils seems very sensitive to where the unwind information is stored.
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Russell King [Sun, 29 Nov 2009 16:39:59 +0000 (16:39 +0000)]
ALSA: AACI: fix recording bug
pcm->r[1].slots is the double rate slot information, not the
capture information. For capture, 'pcm' will already be the
capture ac97 pcm structure.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Russell King [Sun, 29 Nov 2009 16:39:52 +0000 (16:39 +0000)]
ALSA: AACI: fix AC97 multiple-open bug
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Takashi Iwai [Mon, 30 Nov 2009 13:50:37 +0000 (14:50 +0100)]
Merge branch 'fix/asoc' into fix/misc
Alan Stern [Wed, 25 Nov 2009 00:06:37 +0000 (01:06 +0100)]
PM: fix irq enable/disable in runtime PM code
This patch (as1305) fixes a bug in the irq-enable settings and removes
some related overhead in the runtime PM code.
In __pm_runtime_resume(), within the scope of the original
spin_lock_irq(), we know that irqs are disabled. There's no
reason to go through a pair of enable/disable cycles when
acquiring and releasing the parent's lock.
In __pm_runtime_set_status(), irqs are already disabled when
the parent's lock is acquired, and they must remain disabled
when it is released.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Alan Cox [Thu, 26 Nov 2009 15:22:11 +0000 (12:22 -0300)]
V4L/DVB (13530): Fix wrong parameter order in memset
Edwin Török found the following:
In function ‘memset’,
inlined from ‘ir_input_init’ at drivers/media/common/ir-functions.c:67:
/home/edwin/builds/linux-2.6/arch/x86/include/asm/string_64.h:61:
warning: call to ‘__warn_memset_zero_len’ declared with attribute
warning: memset used with constant zero length parameter; this could be
due to transposed parameters
memset(ir->ir_codes, sizeof(ir->ir_codes), 0);
In actual practice the only caller I can find happens to already have cleared
the buffer before calling ir_input_init.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Hans Verkuil [Wed, 25 Nov 2009 17:32:57 +0000 (14:32 -0300)]
V4L/DVB (13481): sh_mobile_ceu_camera: fix compile warning
Trivial fix for this compile warning:
v4l/sh_mobile_ceu_camera.c:1789: warning: label 'exit_free_irq' defined but not used
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Robert Lowery [Sun, 8 Nov 2009 03:00:11 +0000 (00:00 -0300)]
V4L/DVB (13436): cxusb: Fix hang on DViCO FusionHDTV DVB-T Dual Digital 4 (rev 1)
Address yet another regression introduced by the introduction of the zl10353
disable_i2c_gate field.
djh - I unmangled the patch which apparently got screwed up in the user's
email client.
Signed-off-by: Robert Lowery <rglowery@exemail.com.au>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Geert Uytterhoeven [Fri, 20 Nov 2009 19:16:52 +0000 (16:16 -0300)]
V4L/DVB (13412): SMS_SIANO_MDTV should depend on HAS_DMA
When building for Sun 3:
drivers/built-in.o: In function `smscore_unregister_device':
drivers/media/dvb/siano/smscoreapi.c:723: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `smscore_register_device':
drivers/media/dvb/siano/smscoreapi.c:365: undefined reference to `dma_alloc_coherent'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Anuj Aggarwal [Fri, 27 Nov 2009 12:10:58 +0000 (17:40 +0530)]
ASoC: AIC23: Fixing infinite loop in resume path
This patch fixes two issues:
a) Infinite loop in resume function
b) Writes to non-existing registers in resume function
Cc: stable@kernel.org
Signed-off-by: Anuj Aggarwal <anuj.aggarwal@ti.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Csaba Henk [Fri, 27 Nov 2009 14:00:14 +0000 (19:30 +0530)]
fuse: reject O_DIRECT flag also in fuse_create
The comment in fuse_open about O_DIRECT:
"VFS checks this, but only _after_ ->open()"
also holds for fuse_create, however, the same kind of check was missing there.
As an impact of this bug, open(newfile, O_RDWR|O_CREAT|O_DIRECT) fails, but a
stub newfile will remain if the fuse server handled the implied FUSE_CREATE
request appropriately.
Other impact: in the above situation ima_file_free() will complain to open/free
imbalance if CONFIG_IMA is set.
Signed-off-by: Csaba Henk <csaba@gluster.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: Harshavardhana <harsha@gluster.com>
Cc: stable@kernel.org
Olivier Lorin [Sat, 3 Oct 2009 22:09:10 +0000 (19:09 -0300)]
V4L/DVB (13372a): MAINTAINERS: addition of gspca_gl860 driver
MAINTAINERS: addition of gspca_gl860 driver
- addition of gspca_gl860 driver
Signed-off-by: Olivier Lorin <o.lorin@laposte.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Hans Verkuil [Mon, 9 Nov 2009 12:05:11 +0000 (09:05 -0300)]
V4L/DVB (13371): davinci: remove stray duplicate config pointer
The vpif_config struct was renamed to vpif_display_config, but there
is still a stray vpif_config *config pointer in vpif_display.c, preventing
it from compiling.
Remove this old duplicate pointer.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Antti Palosaari [Sun, 4 Oct 2009 15:59:35 +0000 (12:59 -0300)]
V4L/DVB (13366): em28xx: fix Reddo DVB-C USB TV Box GPIO
Set device GPIOs only once. There is no need for .dvb_gpio to select
between analog and digital because device is digital only.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Kuninori Morimoto [Mon, 9 Nov 2009 19:13:24 +0000 (16:13 -0300)]
V4L/DVB (13345): soc-camera: sh_mobile_ceu_camera: call pm_runtime_disable
pm_runtime_disable is needed if it failed or removed
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Guennadi Liakhovetski [Mon, 9 Nov 2009 19:12:37 +0000 (16:12 -0300)]
V4L/DVB (13344): soc-camera: properly initialise the device object when reusing
Commit
ef373189f62413803b7b816c972fc154c488cdc0 "fix use-after-free Oops,
resulting from a driver-core API change" fixed the Oops, but didn't correct
missing device object initialisation. This patch makes unloading and reloading
of soc-camera host- and client-drivers possible again.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Guennadi Liakhovetski [Mon, 9 Nov 2009 19:11:34 +0000 (16:11 -0300)]
V4L/DVB (13343): v4l: add more missing linux/sched.h includes
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Hans Verkuil [Thu, 5 Nov 2009 16:26:32 +0000 (13:26 -0300)]
V4L/DVB (13321): radio-gemtek-pci: fix double mutex_lock
Double mutexlock found by the Linux Driver Verification project and
reported by Alexander Strakh.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
CC: stable@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Samuel Thibault [Thu, 26 Nov 2009 06:28:20 +0000 (22:28 -0800)]
Input: keyboard - fix braille keyboard keysym generation
Keysyms stored in key_map[] are not simply K() values, but U(K()) values,
as can be seen in the KDSKBENT ioctl handler. The kernel-generated
braille keysyms thus need a U() call too.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Chris Wilson [Sun, 22 Nov 2009 15:40:31 +0000 (15:40 +0000)]
drm/i915: Select CONFIG_SHMEM
The driver requires shmfs as the backing filesystem to handle the buffer
objects, so ensure it is selected if the user chooses to build our
driver.
Fixes: Bug 14662 - Dell E5500 kernel panic with KMS
http://bugzilla.kernel.org/show_bug.cgi?id=14662
The revealing nature of the panic is the NULL function pointer
dereference in read_cache_page_async().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reported-and-tested-by: Mateusz Kaduk <mateusz.kaduk@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Cc: stable@kernel.org
Zhenyu Wang [Wed, 11 Nov 2009 02:30:50 +0000 (02:30 +0000)]
drm/i915: Fix CRT hotplug detect by checking really no channels attached
For CRT hotplug detect status, we have four test results as blue
channel only, green channel only, both blue and green channel, and
no channel attached. Origin code only marks both blue and green channel
case as connected, but ignore other possible connected states. This one
trys to detect CRT by checking no channel attached case instead.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Len Brown [Wed, 25 Nov 2009 06:01:29 +0000 (01:01 -0500)]
Merge branch 'misc-2.6.32' into release
Peter Feuerer [Tue, 17 Nov 2009 22:07:21 +0000 (14:07 -0800)]
acerhdf: return temperature in milidegree instead of degree
Return temperature in milidegree instead of degree, as sysfs-api requires
the temperature in milidegree.
Signed-off-by: Peter Feuerer <peter@piie.net>
Tested-by: Borislav Petkov <petkovbb@gmail.com>
Cc: Andreas Mohr <andi@lisas.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
Len Brown [Wed, 25 Nov 2009 05:43:08 +0000 (00:43 -0500)]
Merge branch 'thinkpad-2.6.32' into release
Henrique de Moraes Holschuh [Tue, 17 Nov 2009 22:07:22 +0000 (14:07 -0800)]
thinkpad-acpi: fix detection of old ThinkPads
There is a problem in the quirk tables used by tpacpi_is_fw_known() and
tpacpi_check_outdated_fw(), which causes outdated BIOSes that are lacking
the EC firmware ID DMI field to never match.
This breaks module loading on, e.g. a T23 with outdated BIOS, and the
module will refuse to load unless the "force_load=1" parameter is given.
Fix the quirk tables so that they can also match the outdated BIOSes,
which in turn will both fix the module loading, and also warn the user
that he is using outdated firmware and should upgrade.
This fixes a serious regression, introduced by commit
e675abafcc0df38125e6e94a9ba91c92fe774f52, "thinkpad-acpi: be more strict
when detecting a ThinkPad".
http://bugzilla.kernel.org/show_bug.cgi?id=14597
Reported-by: Paul Kimoto <kimoto@lightlink.com>
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Tested-by: Paul Kimoto <kimoto@lightlink.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
Roel Kluin [Fri, 20 Nov 2009 18:48:23 +0000 (19:48 +0100)]
thinkpad-acpi: fix sign of ERESTARTSYS return
The returned error should be negative
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: <stable@kernel.org>
Signed-off-by: Len Brown <len.brown@intel.com>
Len Brown [Wed, 25 Nov 2009 05:04:48 +0000 (00:04 -0500)]
Merge branch 'bugzilla-14379' into release
Jerone Young [Thu, 27 Aug 2009 05:04:44 +0000 (00:04 -0500)]
ACPI: Add Thinkpad T400, T500 to OSI(Linux) white-list
acpi_osi=Linux helps the mute button work properly by sending Linux
a mute key press.
http://bugzilla.kernel.org/show_bug.cgi?id=13934
Signed-off-by: Jerone Young <jerone.young@canonical.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Alexey Starikovskiy [Wed, 25 Nov 2009 02:34:35 +0000 (21:34 -0500)]
ACPICA: Silence the warning about _BIF returning the buffer
_BIF was returning buffer instead of a string since day 1 of ACPI.
Adding a warning for that is noble, but people don't like
when someone cries wolf in a production system.
Reference: http://bugzilla.kernel.org/show_bug.cgi?id=14379
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
Harald Welte [Tue, 24 Nov 2009 15:53:00 +0000 (16:53 +0100)]
[CPUFREQ] Enable ACPI PDC handshake for VIA/Centaur CPUs
In commit
0de51088e6a82bc8413d3ca9e28bbca2788b5b53, we introduced the
use of acpi-cpufreq on VIA/Centaur CPU's by removing a vendor check for
VENDOR_INTEL. However, as it turns out, at least the Nano CPU's also
need the PDC (processor driver capabilities) handshake in order to
activate the methods required for acpi-cpufreq.
Since arch_acpi_processor_init_pdc() contains another vendor check for
Intel, the PDC is not initialized on VIA CPU's. The resulting behavior
of a current mainline kernel on such systems is: acpi-cpufreq
loads and it indicates CPU frequency changes. However, the CPU stays at
a single frequency
This trivial patch ensures that init_intel_pdc() is called on Intel and
VIA/Centaur CPU's alike.
Signed-off-by: Harald Welte <HaraldWelte@viatech.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Clemens Ladisch [Wed, 4 Nov 2009 08:42:52 +0000 (09:42 +0100)]
drm/fb: fix FBIOGET/PUT_VSCREENINFO pixel clock handling
When the framebuffer driver does not publish detailed timing information
for the current video mode, the correct value for the pixclock field is
zero, not -1.
Since pixclock is actually unsigned, the value -1 would be interpreted
as
4294967295 picoseconds (i.e., about 4 milliseconds) by
register_framebuffer() and userspace programs.
This patch allows X.org's fbdev driver to work.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Tested-by: Paulius Zaleckas <paulius.zaleckas@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Jeremy Fitzhardinge [Tue, 17 Nov 2009 22:08:54 +0000 (14:08 -0800)]
drm: make sure page protections are updated after changing vm_flags
Some architectures compute ->vm_page_prot depending on ->vm_flags, so we
need to update the protections after adjusting the flags.
AFAIK this only affects running X under Xen; without this patch you get
lots of coloured blobs on the screen, or maybe a complete lockup. Or
anything really.
But that still depends on lots of out-of-tree stuff, so I don't think
there are any consequences for anyone else. But it is wrong in principle.
Reported-by: Jan Beulich <JBeulich@novell.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Jerome Glisse [Thu, 12 Nov 2009 13:13:53 +0000 (14:13 +0100)]
drm/radeon/kms: Report vga connector is connected according to ddc_probe
On broken EDID we were reporting vga connector to be disconnected
even if ddc probe did found a monitor. This patch report that the
connector is connected on such case. This allow drm to add a fail
safe mode (800x600 at the time of this patch) thus user can boot
and later add a mode which match its monitor capabilities.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Jerome Glisse [Fri, 13 Nov 2009 19:56:58 +0000 (20:56 +0100)]
drm: mm always protect change to unused_nodes with unused_lock spinlock
unused_nodes modification needs to be protected by unused_lock spinlock.
Here is an example of an usage where there is no such protection without
this patch.
Process 1: 1-drm_mm_pre_get(this function modify unused_nodes list)
2-spin_lock(spinlock protecting mm struct)
3-drm_mm_put_block(this function might modify unused_nodes
list but doesn't protect modification with unused_lock)
4-spin_unlock(spinlock protecting mm struct)
Process2: 1-drm_mm_pre_get(this function modify unused_nodes list)
At this point Process1 & Process2 might both be doing modification to
unused_nodes list. This patch add unused_lock protection into
drm_mm_put_block to avoid such issue.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Jerome Glisse [Fri, 13 Nov 2009 19:56:35 +0000 (20:56 +0100)]
drm/radeon/kms: Disable TV load detect on RS400,RC410,RS480
RS400,RC410,RS480 chipset seems to report a lot of false positive
with load detect on TV output. We haven't yet found a way to make
load detect reliable on those chipset, thus just disable it for TV
output. Would avoid user to experience phantom screen because X
believe there is a monitor connected to the TV output.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Dave Airlie [Thu, 12 Nov 2009 05:53:44 +0000 (15:53 +1000)]
drm/radeon/kms: read back register before writing in IIO.
This fixes RH bugzilla #527874.
On resume the atom posting wasn't working, however vbe posting was
going fine, after 2 weeks over irc, and 8 hrs with the hardware,
I tracked it down to the memory device table and it access the MC
registers via IIO, it appears the rv515 atom iio table might not
be fully functional, so adding a readback before doing a write
either provides enough delay to make things resume correctly.
Thanks to Peng Huang at Red Hat for coming to Brisbane.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Dave Airlie [Wed, 11 Nov 2009 23:37:39 +0000 (09:37 +1000)]
drm/radeon/kms: fix handling of d1/d2 vga
An rv515 laptop I got wouldn't startup with a montior plugged in,
found the proper bug hopefully with us not turning off D2VGA
here when we should.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Jesse Barnes [Thu, 5 Nov 2009 18:12:54 +0000 (10:12 -0800)]
drm: work around EDIDs with bad htotal/vtotal values
We did this on the userspace side, but we need a similar fix for the
kernel.
Fixes LP #460664.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Dave Airlie [Thu, 5 Nov 2009 05:39:10 +0000 (15:39 +1000)]
drm/radeon/kms: resume AGP by calling init.
AGP resume was broken since we moved to the new init path,
because we never re-enabled AGP on these systems at resume time.
This patch just calls the AGP resume call which just does the reinit
at resume time like the old path did.
Since AGP is pretty much gpu independant I did it outside
the gpu specific code.
Signed-off-by: Dave Airlie <airlied@redhat.com>
David Daney [Mon, 12 Oct 2009 19:04:32 +0000 (12:04 -0700)]
Staging: octeon-ethernet: Assign proper MAC addresses.
Allocate MAC addresses using the same method as the bootloader. This
avoids changing the MAC between bootloader and kernel operation as
well as avoiding duplicates and use of addresses outside of the
assigned range.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Thu, 3 Sep 2009 23:10:47 +0000 (16:10 -0700)]
Staging: Octeon: Use symbolic values for irq numbers.
In addition to being magic numbers, the irq number passed to free_irq
is incorrect. We need to use the correct symbolic value instead.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Thu, 1 Oct 2009 23:47:39 +0000 (16:47 -0700)]
MIPS: Octeon: Fix compile error in drivers/staging/octeon/ethernet-mdio.c
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Len Brown [Mon, 23 Nov 2009 16:44:12 +0000 (11:44 -0500)]
ACPI: DMI init_set_sci_en_on_resume for HP-Compaq C700
...else ACPI thermal controls fail after resume.
http://bugzilla.kernel.org/show_bug.cgi?id=13745
Signed-off-by: Len Brown <len.brown@intel.com>
Mark Brown [Mon, 23 Nov 2009 13:11:53 +0000 (13:11 +0000)]
ASoC: Fix suspend with active audio streams
When we get a stream suspend event force the power down since otherwise
the stream would remain marked as active. In future we'll probably want
to make this stream-specific and add an interface to make the power down
of other widgets optional in order to support leaving bypass paths
active while suspending the processor.
Cc: stable@kernel.org
Reported-by: Joonyoung Shim <jy0922.shim@samsung.com>
Tested-by: Joonyoung Shim <jy0922.shim@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Dan Williams [Sun, 22 Nov 2009 19:10:10 +0000 (12:10 -0700)]
shdma: fix initialization error handling
1/ Error handling code following a kzalloc should free the allocated data.
2/ Report an error when no platform data is detected
Both problems fixed by moving the platform data check before the allocation,
and allows a goto to be killed.
Reported-by: Julia Lawall <julia@diku.dk>
Acked-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Jay Fenlason [Fri, 20 Nov 2009 23:05:56 +0000 (00:05 +0100)]
firewire: ohci: pass correct iso xmit timestamps to core
Here is the final set of patches I used to get ffado to work with the
new firewire stack. With these patches, I was able to start ardour
and record from and playback to my PreSonus Inspire1394 from a
(mostly) Fedora 12 system.
Signed-off-by: Jay Fenlason <fenlason@redhat.com>
Until now, firewire-ohci exposed only the transmit cycle of the last
transmitted packet at each isochronous transmit complete event. This
made it impossible for FFADO (FireWire audio drivers in userspace) to
synchronize audio-out streams. The fix is to store the timestamp of
each packet in the iso xmit event. As a bonus, the transfer status is
stored too.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
David Howells [Fri, 20 Nov 2009 21:50:44 +0000 (21:50 +0000)]
FS-Cache: Provide nop fscache_stat_d() if CONFIG_FSCACHE_STATS=n
Provide nop fscache_stat_d() macro if CONFIG_FSCACHE_STATS=n lest errors like
the following occur:
fs/fscache/cache.c: In function 'fscache_withdraw_cache':
fs/fscache/cache.c:386: error: implicit declaration of function 'fscache_stat_d'
fs/fscache/cache.c:386: error: 'fscache_n_cop_sync_cache' undeclared (first use in this function)
fs/fscache/cache.c:386: error: (Each undeclared identifier is reported only once
fs/fscache/cache.c:386: error: for each function it appears in.)
fs/fscache/cache.c:392: error: 'fscache_n_cop_dissociate_pages' undeclared (first use in this function)
Signed-off-by: David Howells <dhowells@redhat.com>
David Howells [Fri, 20 Nov 2009 21:50:40 +0000 (21:50 +0000)]
SLOW_WORK: Fix GFS2 to #include <linux/module.h> before using THIS_MODULE
GFS2 has been altered to pass THIS_MODULE to slow_work_register_user(), but
hasn't been altered to #include <linux/module.h> to provide it, resulting in
the following error:
fs/gfs2/recovery.c:596: error: 'THIS_MODULE' undeclared here (not in a function)
Add the missing #include.
Signed-off-by: David Howells <dhowells@redhat.com>
David Howells [Fri, 20 Nov 2009 21:50:36 +0000 (21:50 +0000)]
SLOW_WORK: Fix CIFS to pass THIS_MODULE to slow_work_register_user()
As of the patch:
SLOW_WORK: Wait for outstanding work items belonging to a module to clear
Wait for outstanding slow work items belonging to a module to clear
when unregistering that module as a user of the facility. This
prevents the put_ref code of a work item from being taken away before
it returns.
slow_work_register_user() takes a module pointer as an argument. CIFS must now
pass THIS_MODULE as that argument, lest the following error be observed:
fs/cifs/cifsfs.c: In function 'init_cifs':
fs/cifs/cifsfs.c:1040: error: too few arguments to function 'slow_work_register_user'
Signed-off-by: David Howells <dhowells@redhat.com>
Steven Rostedt [Fri, 20 Nov 2009 14:21:12 +0000 (09:21 -0500)]
kconfig: Fix make O=<dir> local{mod,yes}config
When the output directory is something other than the kernel source,
the streamline_config script gets confused. This patch passes in the
source directory to the script so that it can find the proper files.
Reported-by: Peter Zijlstra <peterz@infradead.org>
Tested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Dan Williams [Fri, 20 Nov 2009 00:11:03 +0000 (17:11 -0700)]
ioat3: fix pq completion versus channel deallocation race
The completion of a pq operation is notified with a null descriptor
appended to the end of the chain. This descriptor needs to be visible
to dma clients otherwise the client is precluded from ensuring all
operations are quiesced before freeing channel resources, i.e. due to
descriptor polling it may get the completion notification ahead of the
interrupt delivered by the null descriptor.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Dan Williams [Fri, 20 Nov 2009 00:10:37 +0000 (17:10 -0700)]
async_tx: build-time toggling of async_{syndrome,xor}_val dma support
ioat3.2 does not support asynchronous error notifications which makes
the driver experience latencies when non-zero pq validate results are
expected. Provide a mechanism for turning off async_xor_val and
async_syndrome_val via Kconfig. This approach is generally useful for
any driver that specifies ASYNC_TX_DISABLE_CHANNEL_SWITCH and would like
to force the async_tx api to fall back to the synchronous path for
certain operations.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Dan Williams [Fri, 20 Nov 2009 00:10:25 +0000 (17:10 -0700)]
dmaengine: include xor/pq validate in device_has_all_tx_types()
A channel must include these capabilities to satisfy
ASYNC_TX_DISABLE_CHANNEL_SWITCH.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Dan Williams [Fri, 20 Nov 2009 00:10:07 +0000 (17:10 -0700)]
ioat2,3: report all uncorrectable errors
Modify is_ioat_bug() to catch all errors that are uncorrectable, or not
currently handled.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Linus Torvalds [Fri, 20 Nov 2009 04:29:34 +0000 (20:29 -0800)]
Merge branch 'i2c-pnx-fixes' of git://git.fluff.org/bjdooks/linux
* 'i2c-pnx-fixes' of git://git.fluff.org/bjdooks/linux:
i2c: i2c-pnx: Added missing mach/i2c.h and linux/io.h header file includes
i2c: i2c-pnx: Made buf type unsigned to prevent sign extension
i2c: i2c-pnx: Limit minimum jiffie timeout to 2
Linus Torvalds [Fri, 20 Nov 2009 04:29:05 +0000 (20:29 -0800)]
Merge branch 'upstream-linus' of git://git./linux/kernel/git/jlbec/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2:
ocfs2: Trivial cleanup of jbd compatibility layer removal
ocfs2: Refresh documentation
ocfs2: return f_fsid info in ocfs2_statfs()
ocfs2: duplicate inline data properly during reflink.
ocfs2: Move ocfs2_complete_reflink to the right place.
ocfs2: Return -EINVAL when a device is not ocfs2.
Kevin Wells [Wed, 11 Nov 2009 23:25:52 +0000 (00:25 +0100)]
i2c: i2c-pnx: Added missing mach/i2c.h and linux/io.h header file includes
Added missing mach/i2c.h and linux/io.h header file includes
Signed-off-by: Kevin Wells <kevin.wells@nxp.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Kevin Wells [Wed, 11 Nov 2009 23:23:00 +0000 (00:23 +0100)]
i2c: i2c-pnx: Made buf type unsigned to prevent sign extension
Made buf type unsigned to prevent sign extension
Signed-off-by: Kevin Wells <kevin.wells@nxp.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Kevin Wells [Wed, 11 Nov 2009 23:28:13 +0000 (00:28 +0100)]
i2c: i2c-pnx: Limit minimum jiffie timeout to 2
Limit minimum jiffie timeout to 2 to prevent early timeout on systems
with low tick rates
Signed-off-by: Kevin Wells <kevin.wells@nxp.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Dan Williams [Fri, 20 Nov 2009 00:08:45 +0000 (17:08 -0700)]
ioat3: specify valid address for disabled-Q or disabled-P
Although disabled, hardware still checks address validity, so duplicate
the known address.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Dan Williams [Fri, 20 Nov 2009 00:07:57 +0000 (17:07 -0700)]
ioat2,3: disable asynchronous error notifications
Error interrupts and error completions may cause channel hangs, so
poll the channel status register after a timeout.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Dan Williams [Fri, 20 Nov 2009 00:07:10 +0000 (17:07 -0700)]
ioat3: dca and raid operations are incompatible
RAID operations cause a system hang on platforms with DCA
(Direct-Cache-Access) enabled. So turn off RAID capabilities in this
case.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Jiang Yutang [Fri, 16 Oct 2009 16:44:36 +0000 (20:44 +0400)]
sata_fsl: Split hard and soft reset
Split sata_fsl_softreset() into hard and soft resets to make
error-handling more efficient & device and PMP detection more
reliable.
Also includes fix for PMP support, driver tested with Sil3726,
Sil4726 & Exar PMP controllers.
[AV: Also fixes resuming from deep sleep on MPC8315 CPUs]
Signed-off-by: Jiang Yutang <b14898@freescale.com>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Linus Torvalds [Thu, 19 Nov 2009 22:32:38 +0000 (14:32 -0800)]
Linux 2.6.32-rc8
Linus Torvalds [Thu, 19 Nov 2009 21:43:19 +0000 (13:43 -0800)]
Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
SUNRPC: Address buffer overrun in rpc_uaddr2sockaddr()
NFSv4: Fix a cache validation bug which causes getcwd() to return ENOENT
Alan Cox [Thu, 19 Nov 2009 13:30:36 +0000 (13:30 +0000)]
vt: Fix use of "new" in a struct field
As this struct is exposed to user space and the API was added for this
release it's a bit of a pain for the C++ world and we still have time to
fix it. Rename the fields before we end up with that pain in an actual
release.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Reported-by: Olivier Goffart
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
David Woodhouse [Thu, 19 Nov 2009 02:18:44 +0000 (02:18 +0000)]
Fix handling of the HP/Acer 'DMAR at zero' BIOS error for machines with <4GiB RAM.
Commit
86cf898e1d0fca245173980e3897580db38569a8 ("intel-iommu: Check for
'DMAR at zero' BIOS error earlier.") was supposed to work by pretending
not to detect an IOMMU if it was actually being reported by the BIOS at
physical address zero.
However, the intel_iommu_init() function is called unconditionally, as
are the corresponding functions for other IOMMU hardware.
So the patch only worked if you have RAM above the 4GiB boundary. It
caused swiotlb to be initialised when no IOMMU was detected during early
boot, and thus the later IOMMU init would refuse to run.
But if you have less RAM than that, swiotlb wouldn't get set up and the
IOMMU _would_ still end up being initialised, even though we never
claimed to detect it.
This patch also sets the dmar_disabled flag when the error is detected
during the initial detection phase -- so that the later call to
intel_iommu_init() will return without doing anything, regardless of
whether swiotlb is used or not.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
David Howells [Thu, 19 Nov 2009 18:12:08 +0000 (18:12 +0000)]
CacheFiles: Don't log lookup/create failing with ENOBUFS
Don't log the CacheFiles lookup/create object routined failing with ENOBUFS as
under high memory load or high cache load they can do this quite a lot. This
error simply means that the requested object cannot be created on disk due to
lack of space, or due to failure of the backing filesystem to find sufficient
resources.
Signed-off-by: David Howells <dhowells@redhat.com>
David Howells [Thu, 19 Nov 2009 18:12:05 +0000 (18:12 +0000)]
CacheFiles: Catch an overly long wait for an old active object
Catch an overly long wait for an old, dying active object when we want to
replace it with a new one. The probability is that all the slow-work threads
are hogged, and the delete can't get a look in.
What we do instead is:
(1) if there's nothing in the slow work queue, we sleep until either the dying
object has finished dying or there is something in the slow work queue
behind which we can queue our object.
(2) if there is something in the slow work queue, we return ETIMEDOUT to
fscache_lookup_object(), which then puts us back on the slow work queue,
presumably behind the deletion that we're blocked by. We are then
deferred for a while until we work our way back through the queue -
without blocking a slow-work thread unnecessarily.
A backtrace similar to the following may appear in the log without this patch:
INFO: task kslowd004:5711 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kslowd004 D
0000000000000000 0 5711 2 0x00000080
ffff88000340bb80 0000000000000046 ffff88002550d000 0000000000000000
ffff88002550d000 0000000000000007 ffff88000340bfd8 ffff88002550d2a8
000000000000ddf0 00000000000118c0 00000000000118c0 ffff88002550d2a8
Call Trace:
[<
ffffffff81058e21>] ? trace_hardirqs_on+0xd/0xf
[<
ffffffffa011c4d8>] ? cachefiles_wait_bit+0x0/0xd [cachefiles]
[<
ffffffffa011c4e1>] cachefiles_wait_bit+0x9/0xd [cachefiles]
[<
ffffffff81353153>] __wait_on_bit+0x43/0x76
[<
ffffffff8111ae39>] ? ext3_xattr_get+0x1ec/0x270
[<
ffffffff813531ef>] out_of_line_wait_on_bit+0x69/0x74
[<
ffffffffa011c4d8>] ? cachefiles_wait_bit+0x0/0xd [cachefiles]
[<
ffffffff8104c125>] ? wake_bit_function+0x0/0x2e
[<
ffffffffa011bc79>] cachefiles_mark_object_active+0x203/0x23b [cachefiles]
[<
ffffffffa011c209>] cachefiles_walk_to_object+0x558/0x827 [cachefiles]
[<
ffffffffa011a429>] cachefiles_lookup_object+0xac/0x12a [cachefiles]
[<
ffffffffa00aa1e9>] fscache_lookup_object+0x1c7/0x214 [fscache]
[<
ffffffffa00aafc5>] fscache_object_state_machine+0xa5/0x52d [fscache]
[<
ffffffffa00ab4ac>] fscache_object_slow_work_execute+0x5f/0xa0 [fscache]
[<
ffffffff81082093>] slow_work_execute+0x18f/0x2d1
[<
ffffffff8108239a>] slow_work_thread+0x1c5/0x308
[<
ffffffff8104c0f1>] ? autoremove_wake_function+0x0/0x34
[<
ffffffff810821d5>] ? slow_work_thread+0x0/0x308
[<
ffffffff8104be91>] kthread+0x7a/0x82
[<
ffffffff8100beda>] child_rip+0xa/0x20
[<
ffffffff8100b87c>] ? restore_args+0x0/0x30
[<
ffffffff8104be17>] ? kthread+0x0/0x82
[<
ffffffff8100bed0>] ? child_rip+0x0/0x20
1 lock held by kslowd004/5711:
#0: (&sb->s_type->i_mutex_key#7/1){+.+.+.}, at: [<
ffffffffa011be64>] cachefiles_walk_to_object+0x1b3/0x827 [cachefiles]
Signed-off-by: David Howells <dhowells@redhat.com>
David Howells [Thu, 19 Nov 2009 18:12:02 +0000 (18:12 +0000)]
CacheFiles: Better showing of debugging information in active object problems
Show more debugging information if cachefiles_mark_object_active() is asked to
activate an active object.
This may happen, for instance, if the netfs tries to register an object with
the same key multiple times.
The code is changed to (a) get the appropriate object lock to protect the
cookie pointer whilst we dereference it, and (b) get and display the cookie key
if available.
Signed-off-by: David Howells <dhowells@redhat.com>
David Howells [Thu, 19 Nov 2009 18:11:58 +0000 (18:11 +0000)]
CacheFiles: Mark parent directory locks as I_MUTEX_PARENT to keep lockdep happy
Mark parent directory locks as I_MUTEX_PARENT in the callers of
cachefiles_bury_object() so that lockdep doesn't complain when that invokes
vfs_unlink():
=============================================
[ INFO: possible recursive locking detected ]
2.6.32-rc6-cachefs #47
---------------------------------------------
kslowd002/3089 is trying to acquire lock:
(&sb->s_type->i_mutex_key#7){+.+.+.}, at: [<
ffffffff810bbf72>] vfs_unlink+0x8b/0x128
but task is already holding lock:
(&sb->s_type->i_mutex_key#7){+.+.+.}, at: [<
ffffffffa00e4e61>] cachefiles_walk_to_object+0x1b0/0x831 [cachefiles]
other info that might help us debug this:
1 lock held by kslowd002/3089:
#0: (&sb->s_type->i_mutex_key#7){+.+.+.}, at: [<
ffffffffa00e4e61>] cachefiles_walk_to_object+0x1b0/0x831 [cachefiles]
stack backtrace:
Pid: 3089, comm: kslowd002 Not tainted 2.6.32-rc6-cachefs #47
Call Trace:
[<
ffffffff8105ad7b>] __lock_acquire+0x1649/0x16e3
[<
ffffffff8118170e>] ? inode_has_perm+0x5f/0x61
[<
ffffffff8105ae6c>] lock_acquire+0x57/0x6d
[<
ffffffff810bbf72>] ? vfs_unlink+0x8b/0x128
[<
ffffffff81353ac3>] mutex_lock_nested+0x54/0x292
[<
ffffffff810bbf72>] ? vfs_unlink+0x8b/0x128
[<
ffffffff8118179e>] ? selinux_inode_permission+0x8e/0x90
[<
ffffffff8117e271>] ? security_inode_permission+0x1c/0x1e
[<
ffffffff810bb4fb>] ? inode_permission+0x99/0xa5
[<
ffffffff810bbf72>] vfs_unlink+0x8b/0x128
[<
ffffffff810adb19>] ? kfree+0xed/0xf9
[<
ffffffffa00e3f00>] cachefiles_bury_object+0xb6/0x420 [cachefiles]
[<
ffffffff81058e21>] ? trace_hardirqs_on+0xd/0xf
[<
ffffffffa00e7e24>] ? cachefiles_check_object_xattr+0x233/0x293 [cachefiles]
[<
ffffffffa00e51b0>] cachefiles_walk_to_object+0x4ff/0x831 [cachefiles]
[<
ffffffff81032238>] ? finish_task_switch+0x0/0xb2
[<
ffffffffa00e3429>] cachefiles_lookup_object+0xac/0x12a [cachefiles]
[<
ffffffffa00741e9>] fscache_lookup_object+0x1c7/0x214 [fscache]
[<
ffffffffa0074fc5>] fscache_object_state_machine+0xa5/0x52d [fscache]
[<
ffffffffa00754ac>] fscache_object_slow_work_execute+0x5f/0xa0 [fscache]
[<
ffffffff81082093>] slow_work_execute+0x18f/0x2d1
[<
ffffffff8108239a>] slow_work_thread+0x1c5/0x308
[<
ffffffff8104c0f1>] ? autoremove_wake_function+0x0/0x34
[<
ffffffff810821d5>] ? slow_work_thread+0x0/0x308
[<
ffffffff8104be91>] kthread+0x7a/0x82
[<
ffffffff8100beda>] child_rip+0xa/0x20
[<
ffffffff8100b87c>] ? restore_args+0x0/0x30
[<
ffffffff8104be17>] ? kthread+0x0/0x82
[<
ffffffff8100bed0>] ? child_rip+0x0/0x20
Signed-off-by: Daivd Howells <dhowells@redhat.com>
David Howells [Thu, 19 Nov 2009 18:11:55 +0000 (18:11 +0000)]
CacheFiles: Handle truncate unlocking the page we're reading
Handle truncate unlocking the page we're attempting to read from the backing
device before the read has completed.
This was causing reports like the following to occur:
Pid: 4765, comm: kslowd Not tainted 2.6.30.1 #1
Call Trace:
[<
ffffffffa0331d7a>] ? cachefiles_read_waiter+0xd9/0x147 [cachefiles]
[<
ffffffff804b74bd>] ? __wait_on_bit+0x60/0x6f
[<
ffffffff8022bbbb>] ? __wake_up_common+0x3f/0x71
[<
ffffffff8022cc32>] ? __wake_up+0x30/0x44
[<
ffffffff8024a41f>] ? __wake_up_bit+0x28/0x2d
[<
ffffffffa003a793>] ? ext3_truncate+0x4d7/0x8ed [ext3]
[<
ffffffff80281f90>] ? pagevec_lookup+0x17/0x1f
[<
ffffffff8028c2ff>] ? unmap_mapping_range+0x59/0x1ff
[<
ffffffff8022cc32>] ? __wake_up+0x30/0x44
[<
ffffffff8028e286>] ? vmtruncate+0xc2/0xe2
[<
ffffffff802b82cf>] ? inode_setattr+0x22/0x10a
[<
ffffffffa003baa5>] ? ext3_setattr+0x17b/0x1e6 [ext3]
[<
ffffffff802b853d>] ? notify_change+0x186/0x2c9
[<
ffffffffa032d9de>] ? cachefiles_attr_changed+0x133/0x1cd [cachefiles]
[<
ffffffffa032df7f>] ? cachefiles_lookup_object+0xcf/0x12a [cachefiles]
[<
ffffffffa0318165>] ? fscache_lookup_object+0x110/0x122 [fscache]
[<
ffffffffa03188c3>] ? fscache_object_slow_work_execute+0x590/0x6bc
[fscache]
[<
ffffffff80278f82>] ? slow_work_thread+0x285/0x43a
[<
ffffffff8024a446>] ? autoremove_wake_function+0x0/0x2e
[<
ffffffff80278cfd>] ? slow_work_thread+0x0/0x43a
[<
ffffffff8024a317>] ? kthread+0x54/0x81
[<
ffffffff8020c93a>] ? child_rip+0xa/0x20
[<
ffffffff8024a2c3>] ? kthread+0x0/0x81
[<
ffffffff8020c930>] ? child_rip+0x0/0x20
CacheFiles: I/O Error: Readpage failed on backing file
200000000000810
FS-Cache: Cache cachefiles stopped due to I/O error
Reported-by: Christian Kujau <lists@nerdbynature.de>
Reported-by: Takashi Iwai <tiwai@suse.de>
Reported-by: Duc Le Minh <duclm.vn@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
David Howells [Thu, 19 Nov 2009 18:11:52 +0000 (18:11 +0000)]
CacheFiles: Don't write a full page if there's only a partial page to cache
cachefiles_write_page() writes a full page to the backing file for the last
page of the netfs file, even if the netfs file's last page is only a partial
page.
This causes the EOF on the backing file to be extended beyond the EOF of the
netfs, and thus the backing file will be truncated by cachefiles_attr_changed()
called from cachefiles_lookup_object().
So we need to limit the write we make to the backing file on that last page
such that it doesn't push the EOF too far.
Also, if a backing file that has a partial page at the end is expanded, we
discard the partial page and refetch it on the basis that we then have a hole
in the file with invalid data, and should the power go out... A better way to
deal with this could be to record a note that the partial page contains invalid
data until the correct data is written into it.
This isn't a problem for netfs's that discard the whole backing file if the
file size changes (such as NFS).
Signed-off-by: David Howells <dhowells@redhat.com>
David Howells [Thu, 19 Nov 2009 18:11:48 +0000 (18:11 +0000)]
FS-Cache: Actually requeue an object when requested
FS-Cache objects have an FSCACHE_OBJECT_EV_REQUEUE event that can theoretically
be raised to ask the state machine to requeue the object for further processing
before the work function returns to the slow-work facility.
However, fscache_object_work_execute() was clearing that bit before checking
the event mask to see whether the object has any pending events that require it
to be requeued immediately.
Instead, the bit should be cleared after the check and enqueue.
Signed-off-by: David Howells <dhowells@redhat.com>
David Howells [Thu, 19 Nov 2009 18:11:45 +0000 (18:11 +0000)]
FS-Cache: Start processing an object's operations on that object's death
Start processing an object's operations when that object moves into the DYING
state as the object cannot be destroyed until all its outstanding operations
have completed.
Furthermore, make sure that read and allocation operations handle being woken
up on a dead object. Such events are recorded in the Allocs.abt and
Retrvls.abt statistics as viewable through /proc/fs/fscache/stats.
The code for waiting for object activation for the read and allocation
operations is also extracted into its own function as it is much the same in
all cases, differing only in the stats incremented.
Signed-off-by: David Howells <dhowells@redhat.com>
David Howells [Thu, 19 Nov 2009 18:11:41 +0000 (18:11 +0000)]
FS-Cache: Make sure FSCACHE_COOKIE_LOOKING_UP cleared on lookup failure
We must make sure that FSCACHE_COOKIE_LOOKING_UP is cleared on lookup failure
(if an object reaches the LC_DYING state), and we should clear it before
clearing FSCACHE_COOKIE_CREATING.
If this doesn't happen then fscache_wait_for_deferred_lookup() may hold
allocation and retrieval operations indefinitely until they're interrupted by
signals - which in turn pins the dying object until they go away.
Signed-off-by: David Howells <dhowells@redhat.com>
David Howells [Thu, 19 Nov 2009 18:11:38 +0000 (18:11 +0000)]
FS-Cache: Add a retirement stat counter
Add a stat counter to count retirement events rather than ordinary release
events (the retire argument to fscache_relinquish_cookie()).
Signed-off-by: David Howells <dhowells@redhat.com>
David Howells [Thu, 19 Nov 2009 18:11:35 +0000 (18:11 +0000)]
FS-Cache: Handle pages pending storage that get evicted under OOM conditions
Handle netfs pages that the vmscan algorithm wants to evict from the pagecache
under OOM conditions, but that are waiting for write to the cache. Under these
conditions, vmscan calls the releasepage() function of the netfs, asking if a
page can be discarded.
The problem is typified by the following trace of a stuck process:
kslowd005 D
0000000000000000 0 4253 2 0x00000080
ffff88001b14f370 0000000000000046 ffff880020d0d000 0000000000000007
0000000000000006 0000000000000001 ffff88001b14ffd8 ffff880020d0d2a8
000000000000ddf0 00000000000118c0 00000000000118c0 ffff880020d0d2a8
Call Trace:
[<
ffffffffa00782d8>] __fscache_wait_on_page_write+0x8b/0xa7 [fscache]
[<
ffffffff8104c0f1>] ? autoremove_wake_function+0x0/0x34
[<
ffffffffa0078240>] ? __fscache_check_page_write+0x63/0x70 [fscache]
[<
ffffffffa00b671d>] nfs_fscache_release_page+0x4e/0xc4 [nfs]
[<
ffffffffa00927f0>] nfs_release_page+0x3c/0x41 [nfs]
[<
ffffffff810885d3>] try_to_release_page+0x32/0x3b
[<
ffffffff81093203>] shrink_page_list+0x316/0x4ac
[<
ffffffff8109372b>] shrink_inactive_list+0x392/0x67c
[<
ffffffff813532fa>] ? __mutex_unlock_slowpath+0x100/0x10b
[<
ffffffff81058df0>] ? trace_hardirqs_on_caller+0x10c/0x130
[<
ffffffff8135330e>] ? mutex_unlock+0x9/0xb
[<
ffffffff81093aa2>] shrink_list+0x8d/0x8f
[<
ffffffff81093d1c>] shrink_zone+0x278/0x33c
[<
ffffffff81052d6c>] ? ktime_get_ts+0xad/0xba
[<
ffffffff81094b13>] try_to_free_pages+0x22e/0x392
[<
ffffffff81091e24>] ? isolate_pages_global+0x0/0x212
[<
ffffffff8108e743>] __alloc_pages_nodemask+0x3dc/0x5cf
[<
ffffffff81089529>] grab_cache_page_write_begin+0x65/0xaa
[<
ffffffff8110f8c0>] ext3_write_begin+0x78/0x1eb
[<
ffffffff81089ec5>] generic_file_buffered_write+0x109/0x28c
[<
ffffffff8103cb69>] ? current_fs_time+0x22/0x29
[<
ffffffff8108a509>] __generic_file_aio_write+0x350/0x385
[<
ffffffff8108a588>] ? generic_file_aio_write+0x4a/0xae
[<
ffffffff8108a59e>] generic_file_aio_write+0x60/0xae
[<
ffffffff810b2e82>] do_sync_write+0xe3/0x120
[<
ffffffff8104c0f1>] ? autoremove_wake_function+0x0/0x34
[<
ffffffff810b18e1>] ? __dentry_open+0x1a5/0x2b8
[<
ffffffff810b1a76>] ? dentry_open+0x82/0x89
[<
ffffffffa00e693c>] cachefiles_write_page+0x298/0x335 [cachefiles]
[<
ffffffffa0077147>] fscache_write_op+0x178/0x2c2 [fscache]
[<
ffffffffa0075656>] fscache_op_execute+0x7a/0xd1 [fscache]
[<
ffffffff81082093>] slow_work_execute+0x18f/0x2d1
[<
ffffffff8108239a>] slow_work_thread+0x1c5/0x308
[<
ffffffff8104c0f1>] ? autoremove_wake_function+0x0/0x34
[<
ffffffff810821d5>] ? slow_work_thread+0x0/0x308
[<
ffffffff8104be91>] kthread+0x7a/0x82
[<
ffffffff8100beda>] child_rip+0xa/0x20
[<
ffffffff8100b87c>] ? restore_args+0x0/0x30
[<
ffffffff8102ef83>] ? tg_shares_up+0x171/0x227
[<
ffffffff8104be17>] ? kthread+0x0/0x82
[<
ffffffff8100bed0>] ? child_rip+0x0/0x20
In the above backtrace, the following is happening:
(1) A page storage operation is being executed by a slow-work thread
(fscache_write_op()).
(2) FS-Cache farms the operation out to the cache to perform
(cachefiles_write_page()).
(3) CacheFiles is then calling Ext3 to perform the actual write, using Ext3's
standard write (do_sync_write()) under KERNEL_DS directly from the netfs
page.
(4) However, for Ext3 to perform the write, it must allocate some memory, in
particular, it must allocate at least one page cache page into which it
can copy the data from the netfs page.
(5) Under OOM conditions, the memory allocator can't immediately come up with
a page, so it uses vmscan to find something to discard
(try_to_free_pages()).
(6) vmscan finds a clean netfs page it might be able to discard (possibly the
one it's trying to write out).
(7) The netfs is called to throw the page away (nfs_release_page()) - but it's
called with __GFP_WAIT, so the netfs decides to wait for the store to
complete (__fscache_wait_on_page_write()).
(8) This blocks a slow-work processing thread - possibly against itself.
The system ends up stuck because it can't write out any netfs pages to the
cache without allocating more memory.
To avoid this, we make FS-Cache cancel some writes that aren't in the middle of
actually being performed. This means that some data won't make it into the
cache this time. To support this, a new FS-Cache function is added
fscache_maybe_release_page() that replaces what the netfs releasepage()
functions used to do with respect to the cache.
The decisions fscache_maybe_release_page() makes are counted and displayed
through /proc/fs/fscache/stats on a line labelled "VmScan". There are four
counters provided: "nos=N" - pages that weren't pending storage; "gon=N" -
pages that were pending storage when we first looked, but weren't by the time
we got the object lock; "bsy=N" - pages that we ignored as they were actively
being written when we looked; and "can=N" - pages that we cancelled the storage
of.
What I'd really like to do is alter the behaviour of the cancellation
heuristics, depending on how necessary it is to expel pages. If there are
plenty of other pages that aren't waiting to be written to the cache that
could be ejected first, then it would be nice to hold up on immediate
cancellation of cache writes - but I don't see a way of doing that.
Signed-off-by: David Howells <dhowells@redhat.com>
David Howells [Thu, 19 Nov 2009 18:11:32 +0000 (18:11 +0000)]
FS-Cache: Handle read request vs lookup, creation or other cache failure
FS-Cache doesn't correctly handle the netfs requesting a read from the cache
on an object that failed or was withdrawn by the cache. A trace similar to
the following might be seen:
CacheFiles: Lookup failed error -105
[exe ] unexpected submission OP165afe [OBJ6cac OBJECT_LC_DYING]
[exe ] objstate=OBJECT_LC_DYING [OBJECT_LC_DYING]
[exe ] objflags=0
[exe ] objevent=9 [
fffffffffffffffb]
[exe ] ops=0 inp=0 exc=0
Pid: 6970, comm: exe Not tainted 2.6.32-rc6-cachefs #50
Call Trace:
[<
ffffffffa0076477>] fscache_submit_op+0x3ff/0x45a [fscache]
[<
ffffffffa0077997>] __fscache_read_or_alloc_pages+0x187/0x3c4 [fscache]
[<
ffffffffa00b6480>] ? nfs_readpage_from_fscache_complete+0x0/0x66 [nfs]
[<
ffffffffa00b6388>] __nfs_readpages_from_fscache+0x7e/0x176 [nfs]
[<
ffffffff8108e483>] ? __alloc_pages_nodemask+0x11c/0x5cf
[<
ffffffffa009d796>] nfs_readpages+0x114/0x1d7 [nfs]
[<
ffffffff81090314>] __do_page_cache_readahead+0x15f/0x1ec
[<
ffffffff81090228>] ? __do_page_cache_readahead+0x73/0x1ec
[<
ffffffff810903bd>] ra_submit+0x1c/0x20
[<
ffffffff810906bb>] ondemand_readahead+0x227/0x23a
[<
ffffffff81090762>] page_cache_sync_readahead+0x17/0x19
[<
ffffffff8108a99e>] generic_file_aio_read+0x236/0x5a0
[<
ffffffffa00937bd>] nfs_file_read+0xe4/0xf3 [nfs]
[<
ffffffff810b2fa2>] do_sync_read+0xe3/0x120
[<
ffffffff81354cc3>] ? _spin_unlock_irq+0x2b/0x31
[<
ffffffff8104c0f1>] ? autoremove_wake_function+0x0/0x34
[<
ffffffff811848e5>] ? selinux_file_permission+0x5d/0x10f
[<
ffffffff81352bdb>] ? thread_return+0x3e/0x101
[<
ffffffff8117d7b0>] ? security_file_permission+0x11/0x13
[<
ffffffff810b3b06>] vfs_read+0xaa/0x16f
[<
ffffffff81058df0>] ? trace_hardirqs_on_caller+0x10c/0x130
[<
ffffffff810b3c84>] sys_read+0x45/0x6c
[<
ffffffff8100ae2b>] system_call_fastpath+0x16/0x1b
The object state might also be OBJECT_DYING or OBJECT_WITHDRAWING.
This should be handled by simply rejecting the new operation with ENOBUFS.
There's no need to log an error for it. Events of this type now appear in the
stats file under Ops:rej.
Signed-off-by: David Howells <dhowells@redhat.com>
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