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Stephane Eranian [Fri, 20 Jan 2012 09:49:12 +0000 (10:49 +0100)]
perf tools: Fix strlen() bug in perf_event__synthesize_event_type()
The event_type record has a max length for the event name.
It's called MAX_EVENT_NAME.
The name may be truncated to fit the max length. But the header.size still
reflects the original name length. If that length is > MAX_EVENT_NAME, then the
header.size field is bogus. Fix this by using the length of the name after the
potential truncation.
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20120120094912.GA4882@quad
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
David Daney [Tue, 17 Jan 2012 21:41:01 +0000 (13:41 -0800)]
perf tools: Fix broken build by defining _GNU_SOURCE in Makefile
When building on my Debian/mips system, util/util.c fails to build
because commit
1aed2671738785e8f5aea663a6fda91aa7ef59b5 (perf kvm: Do
guest-only counting by default) indirectly includes stdio.h before the
feature selection in util.h is done. This prevents _GNU_SOURCE in
util.h from enabling the declaration of getline(), from now second
inclusion of stdio.h, and the build is broken.
There is another breakage in util/evsel.c caused by include ordering,
but I didn't fully track down the commit that caused it.
The root cause of all this is an inconsistent definition of _GNU_SOURCE,
so I move the definition into the Makefile so that it is passed to all
invocations of the compiler and used uniformly for all system header
files. All other #define and #undef of _GNU_SOURCE are removed as they
cause conflicts with the definition passed to the compiler.
All the features.h definitions (_LARGEFILE64_SOURCE _FILE_OFFSET_BITS=64
and _GNU_SOURCE) are needed by the python glue code too, so they are
moved to BASIC_CFLAGS, and the misleading comments about BASIC_CFLAGS
are removed.
This gives me a clean build on x86_64 (fc12) and mips (Debian).
Cc: David Daney <david.daney@cavium.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Joerg Roedel <joerg.roedel@amd.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1326836461-11952-1-git-send-email-ddaney.cavm@gmail.com
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Dan Carpenter [Sat, 28 Jan 2012 10:52:46 +0000 (13:52 +0300)]
x86/dumpstack: Remove unneeded check in dump_trace()
Smatch complains that we have some inconsistent NULL checking.
If "task" were NULL then it would lead to a NULL dereference
later. We can remove this test because earlier on in the
function we have:
if (!task)
task = current;
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Clemens Ladisch <clemens@ladisch.de>
Link: http://lkml.kernel.org/r/20120128105246.GA25092@elgon.mountain
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Stephane Eranian [Thu, 26 Jan 2012 16:03:19 +0000 (17:03 +0100)]
perf: Fix broken interrupt rate throttling
This patch fixes the sampling interrupt throttling mechanism.
It was broken in v3.2. Events were not being unthrottled. The
unthrottling mechanism required that events be checked at each
timer tick.
This patch solves this problem and also separates:
- unthrottling
- multiplexing
- frequency-mode period adjustments
Not all of them need to be executed at each timer tick.
This third version of the patch is based on my original patch +
PeterZ proposal (https://lkml.org/lkml/2012/1/7/87).
At each timer tick, for each context:
- if the current CPU has throttled events, we unthrottle events
- if context has frequency-based events, we adjust sampling periods
- if we have reached the jiffies interval, we multiplex (rotate)
We decoupled rotation (multiplexing) from frequency-mode sampling
period adjustments. They should not necessarily happen at the same
rate. Multiplexing is subject to jiffies_interval (currently at 1
but could be higher once the tunable is exposed via sysfs).
We have grouped frequency-mode adjustment and unthrottling into the
same routine to minimize code duplication. When throttled while in
frequency mode, we scan the events only once.
We have fixed the threshold enforcement code in __perf_event_overflow().
There was a bug whereby it would allow more than the authorized rate
because an increment of hwc->interrupts was not executed at the right
place.
The patch was tested with low sampling limit (2000) and fixed periods,
frequency mode, overcommitted PMU.
On a 2.1GHz AMD CPU:
$ cat /proc/sys/kernel/perf_event_max_sample_rate
2000
We set a rate of 3000 samples/sec (2.1GHz/3000 = 700000):
$ perf record -e cycles,cycles -c 700000 noploop 10
$ perf report -D | tail -21
Aggregated stats:
TOTAL events: 80086
MMAP events: 88
COMM events: 2
EXIT events: 4
THROTTLE events: 19996
UNTHROTTLE events: 19996
SAMPLE events: 40000
cycles stats:
TOTAL events: 40006
MMAP events: 5
COMM events: 1
EXIT events: 4
THROTTLE events: 9998
UNTHROTTLE events: 9998
SAMPLE events: 20000
cycles stats:
TOTAL events: 39996
THROTTLE events: 9998
UNTHROTTLE events: 9998
SAMPLE events: 20000
For 10s, the cap is 2x2000x10 = 40000 samples.
We get exactly that: 20000 samples/event.
Signed-off-by: Stephane Eranian <eranian@google.com>
Cc: <stable@kernel.org> # v3.2+
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20120126160319.GA5655@quad
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Linus Torvalds [Fri, 27 Jan 2012 01:04:47 +0000 (17:04 -0800)]
Merge branch 'v4l_for_linus' of git://git./linux/kernel/git/mchehab/linux-media
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] cinergyT2-fe: Fix bandwdith settings
[media] V4L: atmel-isi: add clk_prepare()/clk_unprepare() functions
[media] cxd2820r: sleep on DVB-T/T2 delivery system switch
[media] anysee: fix CI init
[media] cxd2820r: remove unused parameter from cxd2820r_attach
[media] cxd2820r: fix dvb_frontend_ops
Linus Torvalds [Fri, 27 Jan 2012 01:00:38 +0000 (17:00 -0800)]
Merge git://git./linux/kernel/git/davem/sparc
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc32: forced setting of mode of sun4m per-cpu timers
Linus Torvalds [Thu, 26 Jan 2012 20:46:07 +0000 (12:46 -0800)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode_amd: Add support for CPU family specific container files
x86/amd: Add missing feature flag for fam15h models 10h-1fh processors
x86/boot-image: Don't leak phdrs in arch/x86/boot/compressed/misc.c::Parse_elf()
x86/numachip: Drop unnecessary conflict with EDAC
x86/uv: Fix uninitialized spinlocks
x86/uv: Fix uv_gpa_to_soc_phys_ram() shift
Linus Torvalds [Thu, 26 Jan 2012 20:45:57 +0000 (12:45 -0800)]
Merge branch 'perf-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Call perf_cgroup_event_time() directly
perf: Don't call release_callchain_buffers() if allocation fails
Linus Torvalds [Thu, 26 Jan 2012 20:45:41 +0000 (12:45 -0800)]
Merge branch 'core-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rcu: Add missing __cpuinit annotation in rcutorture code
sched: Add "const" to is_idle_task() parameter
rcu: Make rcutorture bool parameters really bool (core code)
memblock: Fix alloc failure due to dumb underflow protection in memblock_find_in_range_node()
Linus Torvalds [Thu, 26 Jan 2012 20:43:57 +0000 (12:43 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/geert/linux-m68k
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Fix assembler constraint to prevent overeager gcc optimisation
mac_esp: rename irq
mac_scsi: dont enable mac_scsi irq before requesting it
macfb: fix black and white modes
m68k/irq: Remove obsolete IRQ_FLG_* definitions
Fix up trivial conflict in arch/m68k/kernel/process_mm.c as per Geert.
Andreas Herrmann [Fri, 20 Jan 2012 16:44:12 +0000 (17:44 +0100)]
x86/microcode_amd: Add support for CPU family specific container files
We've decided to provide CPU family specific container files
(starting with CPU family 15h). E.g. for family 15h we have to
load microcode_amd_fam15h.bin instead of microcode_amd.bin
Rationale is that starting with family 15h patch size is larger
than 2KB which was hard coded as maximum patch size in various
microcode loaders (not just Linux).
Container files which include patches larger than 2KB cause
different kinds of trouble with such old patch loaders. Thus we
have to ensure that the default container file provides only
patches with size less than 2KB.
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Cc: <stable@kernel.org>
Link: http://lkml.kernel.org/r/20120120164412.GD24508@alberich.amd.com
[ documented the naming convention and tidied the code a bit. ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Andreas Herrmann [Fri, 20 Jan 2012 16:38:23 +0000 (17:38 +0100)]
x86/amd: Add missing feature flag for fam15h models 10h-1fh processors
That is the last one missing for those CPUs.
Others were recently added with commits
fb215366b3c7320ac25dca766a0152df16534932
(KVM: expose latest Intel cpu new features (BMI1/BMI2/FMA/AVX2) to guest)
and
commit
969df4b82904a30fef19a67398a0c854d223ea67
(x86: Report cpb and eff_freq_ro flags correctly)
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Link: http://lkml.kernel.org/r/20120120163823.GC24508@alberich.amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Jesper Juhl [Mon, 23 Jan 2012 22:34:59 +0000 (23:34 +0100)]
x86/boot-image: Don't leak phdrs in arch/x86/boot/compressed/misc.c::Parse_elf()
We allocate memory with malloc(), but neglect to free it before
the variable 'phdrs' goes out of scope --> leak.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Link: http://lkml.kernel.org/r/alpine.LNX.2.00.1201232332590.8772@swampdragon.chaosbits.net
[ Mostly harmless. ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Daniel J Blueman [Wed, 25 Jan 2012 06:35:49 +0000 (14:35 +0800)]
x86/numachip: Drop unnecessary conflict with EDAC
EDAC detection no longer crashes multi-node systems, so don't
conflict on it with NumaChip.
Signed-off-by: Daniel J Blueman <daniel@numascale-asia.com>
Cc: Steffen Persvold <sp@numascale.com>
Link: http://lkml.kernel.org/r/1327473349-28395-1-git-send-email-daniel@numascale-asia.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cliff Wickman [Wed, 18 Jan 2012 15:40:47 +0000 (09:40 -0600)]
x86/uv: Fix uninitialized spinlocks
Initialize two spinlocks in tlb_uv.c and also properly define/initialize
the uv_irq_lock.
The lack of explicit initialization seems to be functionally
harmless, but it is diagnosed when these are turned on:
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_LOCKDEP=y
Signed-off-by: Cliff Wickman <cpw@sgi.com>
Cc: <stable@kernel.org>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Link: http://lkml.kernel.org/r/E1RnXd1-0003wU-PM@eag09.americas.sgi.com
[ Added the uv_irq_lock initialization fix by Dimitri Sivanich ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Russ Anderson [Thu, 19 Jan 2012 02:07:54 +0000 (20:07 -0600)]
x86/uv: Fix uv_gpa_to_soc_phys_ram() shift
uv_gpa_to_soc_phys_ram() was inadvertently ignoring the
shift values. This fix takes the shift into account.
Signed-off-by: Russ Anderson <rja@sgi.com>
Cc: <stable@kernel.org>
Link: http://lkml.kernel.org/r/20120119020753.GA7228@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Linus Torvalds [Thu, 26 Jan 2012 03:28:58 +0000 (19:28 -0800)]
Merge git://git./linux/kernel/git/herbert/crypto-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: sha512 - reduce stack usage to safe number
crypto: sha512 - make it work, undo percpu message schedule
Linus Torvalds [Wed, 25 Jan 2012 23:36:44 +0000 (15:36 -0800)]
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
Quoth Ben Myers:
"Please pull in the following bugfix for xfs. We forgot to drop a lock on
error in xfs_readlink. It hasn't been through -next yet, but there is no
-next tree tomorrow. The fix is clear so I'm sending this request today."
* 'for-linus' of git://oss.sgi.com/xfs/xfs:
xfs: Fix missing xfs_iunlock() on error recovery path in xfs_readlink()
Linus Torvalds [Wed, 25 Jan 2012 23:24:30 +0000 (15:24 -0800)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/ttm: fix two regressions since move_notify changes
drm/radeon: avoid deadlock if GPU lockup is detected in ib_pool_get
drm/radeon: silence out possible lock dependency warning
drm: Fix authentication kernel crash
gma500: Fix shmem mapping
drm/radeon/kms: refine TMDS dual link checks
drm/radeon/kms: use drm_detect_hdmi_monitor for picking encoder mode
drm/radeon/kms: rework modeset sequence for DCE41 and DCE5
drm/radeon/kms: move panel mode setup into encoder mode set
drm/radeon/kms: move disp eng pll setup to init path
drm/radeon: finish getting bios earlier
drm/radeon: fix invalid memory access in radeon_atrm_get_bios()
drm/radeon/kms: add some missing semaphore init
drm/radeon/kms: Add an MSI quirk for Dell RS690
gpu, drm, sis: Don't return uninitialized variable from sis_driver_load()
Linus Torvalds [Wed, 25 Jan 2012 23:13:04 +0000 (15:13 -0800)]
Merge branch 'fix/asoc' of git://git./linux/kernel/git/tiwai/sound
* 'fix/asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: wm2000: Fix use-after-free - don't release_firmware() twice on error
ASoC: wm8958: Use correct format string in dev_err() call
ASoC: wm8996: Call _POST_PMU callback for CPVDD
ASoC: mxs: Fix mxs-saif timeout
ASoC: Disable register synchronisation for low frequency WM8996 SYSCLK
ASoC: Don't go through cache when applying WM5100 rev A updates
ASoC: Mark WM5100 register map cache only when going into BIAS_OFF
ASoC: tlv320aic32x4: always enable analouge block
ASoC: tlv320aic32x4: always enable dividers
ASoC: sgtl5000: Fix wrong register name in restore
Linus Torvalds [Wed, 25 Jan 2012 23:11:57 +0000 (15:11 -0800)]
Merge tag 'for-linus' of git://git./linux/kernel/git/broonie/regmap
A fairly simple bugfix for a WARN_ON() which was triggered in the cache
reset support as a result of some subsequent work. There's only one
mainline user for the code path that's updated right now (wm8994) so
should be low risk.
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: Reset cache status when reinitialsing the cache
Li Wang [Wed, 25 Jan 2012 07:40:31 +0000 (15:40 +0800)]
eCryptfs: move misleading function comments
The data encryption was moved from ecryptfs_write_end into
ecryptfs_writepage, this patch moves the corresponding function
comments to be consistent with the modification.
Signed-off-by: Li Wang <liwang@nudt.edu.cn>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Wed, 25 Jan 2012 23:03:04 +0000 (15:03 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tyhicks/ecryptfs
Says Tyler:
"Tim's logging message update will be really helpful to users when
they're trying to locate a problematic file in the lower filesystem
with filename encryption enabled.
You'll recognize the fix from Li, as you commented on that.
You should also be familiar with my setattr/truncate improvements,
since you were the one that pointed them out to us (thanks again!).
Andrew noted the /dev/ecryptfs write count sanitization needed to be
improved, so I've got a fix in there for that along with some other
less important cleanups of the /dev/ecryptfs read/write code."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs:
eCryptfs: Fix oops when printing debug info in extent crypto functions
eCryptfs: Remove unused ecryptfs_read()
eCryptfs: Check inode changes in setattr
eCryptfs: Make truncate path killable
eCryptfs: Infinite loop due to overflow in ecryptfs_write()
eCryptfs: Replace miscdev read/write magic numbers
eCryptfs: Report errors in writes to /dev/ecryptfs
eCryptfs: Sanitize write counts of /dev/ecryptfs
ecryptfs: Remove unnecessary variable initialization
ecryptfs: Improve metadata read failure logging
MAINTAINERS: Update eCryptfs maintainer address
Tyler Hicks [Tue, 24 Jan 2012 16:02:22 +0000 (10:02 -0600)]
eCryptfs: Fix oops when printing debug info in extent crypto functions
If pages passed to the eCryptfs extent-based crypto functions are not
mapped and the module parameter ecryptfs_verbosity=1 was specified at
loading time, a NULL pointer dereference will occur.
Note that this wouldn't happen on a production system, as you wouldn't
pass ecryptfs_verbosity=1 on a production system. It leaks private
information to the system logs and is for debugging only.
The debugging info printed in these messages is no longer very useful
and rather than doing a kmap() in these debugging paths, it will be
better to simply remove the debugging paths completely.
https://launchpad.net/bugs/913651
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Reported-by: Daniel DeFreez
Cc: <stable@vger.kernel.org>
Tyler Hicks [Wed, 18 Jan 2012 21:09:43 +0000 (15:09 -0600)]
eCryptfs: Remove unused ecryptfs_read()
ecryptfs_read() has been ifdef'ed out for years now and it was
apparently unused before then. It is time to get rid of it for good.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Tyler Hicks [Fri, 20 Jan 2012 02:33:44 +0000 (20:33 -0600)]
eCryptfs: Check inode changes in setattr
Most filesystems call inode_change_ok() very early in ->setattr(), but
eCryptfs didn't call it at all. It allowed the lower filesystem to make
the call in its ->setattr() function. Then, eCryptfs would copy the
appropriate inode attributes from the lower inode to the eCryptfs inode.
This patch changes that and actually calls inode_change_ok() on the
eCryptfs inode, fairly early in ecryptfs_setattr(). Ideally, the call
would happen earlier in ecryptfs_setattr(), but there are some possible
inode initialization steps that must happen first.
Since the call was already being made on the lower inode, the change in
functionality should be minimal, except for the case of a file extending
truncate call. In that case, inode_newsize_ok() was never being
called on the eCryptfs inode. Rather than inode_newsize_ok() catching
maximum file size errors early on, eCryptfs would encrypt zeroed pages
and write them to the lower filesystem until the lower filesystem's
write path caught the error in generic_write_checks(). This patch
introduces a new function, called ecryptfs_inode_newsize_ok(), which
checks if the new lower file size is within the appropriate limits when
the truncate operation will be growing the lower file.
In summary this change prevents eCryptfs truncate operations (and the
resulting page encryptions), which would exceed the lower filesystem
limits or FSIZE rlimits, from ever starting.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Reviewed-by: Li Wang <liwang@nudt.edu.cn>
Cc: <stable@vger.kernel.org>
Tyler Hicks [Thu, 19 Jan 2012 00:30:04 +0000 (18:30 -0600)]
eCryptfs: Make truncate path killable
ecryptfs_write() handles the truncation of eCryptfs inodes. It grabs a
page, zeroes out the appropriate portions, and then encrypts the page
before writing it to the lower filesystem. It was unkillable and due to
the lack of sparse file support could result in tying up a large portion
of system resources, while encrypting pages of zeros, with no way for
the truncate operation to be stopped from userspace.
This patch adds the ability for ecryptfs_write() to detect a pending
fatal signal and return as gracefully as possible. The intent is to
leave the lower file in a useable state, while still allowing a user to
break out of the encryption loop. If a pending fatal signal is detected,
the eCryptfs inode size is updated to reflect the modified inode size
and then -EINTR is returned.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Cc: <stable@vger.kernel.org>
Li Wang [Thu, 19 Jan 2012 01:44:36 +0000 (09:44 +0800)]
eCryptfs: Infinite loop due to overflow in ecryptfs_write()
ecryptfs_write() can enter an infinite loop when truncating a file to a
size larger than 4G. This only happens on architectures where size_t is
represented by 32 bits.
This was caused by a size_t overflow due to it incorrectly being used to
store the result of a calculation which uses potentially large values of
type loff_t.
[tyhicks@canonical.com: rewrite subject and commit message]
Signed-off-by: Li Wang <liwang@nudt.edu.cn>
Signed-off-by: Yunchuan Wen <wenyunchuan@kylinos.com.cn>
Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Tyler Hicks [Sat, 14 Jan 2012 15:46:46 +0000 (16:46 +0100)]
eCryptfs: Replace miscdev read/write magic numbers
ecryptfs_miscdev_read() and ecryptfs_miscdev_write() contained many
magic numbers for specifying packet header field sizes and offsets. This
patch defines those values and replaces the magic values.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Tyler Hicks [Sat, 14 Jan 2012 14:51:37 +0000 (15:51 +0100)]
eCryptfs: Report errors in writes to /dev/ecryptfs
Errors in writes to /dev/ecryptfs were being incorrectly reported by
returning 0 or the value of the original write count.
This patch clears up the return code assignment in error paths.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Tyler Hicks [Thu, 12 Jan 2012 10:30:44 +0000 (11:30 +0100)]
eCryptfs: Sanitize write counts of /dev/ecryptfs
A malicious count value specified when writing to /dev/ecryptfs may
result in a a very large kernel memory allocation.
This patch peeks at the specified packet payload size, adds that to the
size of the packet headers and compares the result with the write count
value. The resulting maximum memory allocation size is approximately 532
bytes.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Reported-by: Sasha Levin <levinsasha928@gmail.com>
Cc: <stable@vger.kernel.org>
Tim Gardner [Thu, 12 Jan 2012 15:31:55 +0000 (16:31 +0100)]
ecryptfs: Remove unnecessary variable initialization
Removes unneeded variable initialization in ecryptfs_read_metadata(). Also adds
a small comment to help explain metadata reading logic.
[tyhicks@canonical.com: Pulled out of for-stable patch and wrote commit msg]
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Tim Gardner [Thu, 12 Jan 2012 15:31:55 +0000 (16:31 +0100)]
ecryptfs: Improve metadata read failure logging
Print inode on metadata read failure. The only real
way of dealing with metadata read failures is to delete
the underlying file system file. Having the inode
allows one to 'find . -inum INODE`.
[tyhicks@canonical.com: Removed some minor not-for-stable parts]
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Dustin Kirkland [Wed, 7 Dec 2011 14:56:49 +0000 (08:56 -0600)]
MAINTAINERS: Update eCryptfs maintainer address
Update my email address in MAINTAINERS.
Signed-off-by: Dustin Kirkland <dustin.kirkland@gazzang.com>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Ben Skeggs [Wed, 25 Jan 2012 05:34:22 +0000 (15:34 +1000)]
drm/ttm: fix two regressions since move_notify changes
Both changes in
dc97b3409a790d2a21aac6e5cdb99558b5944119 cause serious
regressions in the nouveau driver.
move_notify() was originally able to presume that bo->mem is the old node,
and new_mem is the new node. The above commit moves the call to
move_notify() to after move() has been done, which means that now, sometimes,
new_mem isn't the new node at all, bo->mem is, and new_mem points at a
stale, possibly-just-been-killed-by-move node.
This is clearly not a good situation. This patch reverts this change, and
replaces it with a cleanup in the move() failure path instead.
The second issue is that the call to move_notify() from cleanup_memtype_use()
causes the TTM ghost objects to get passed into the driver. This is clearly
bad as the driver knows nothing about these "fake" TTM BOs, and ends up
accessing uninitialised memory.
I worked around this in nouveau's move_notify() hook by ensuring the BO
destructor was nouveau's. I don't particularly like this solution, and
would rather TTM never pass the driver these objects. However, I don't
clearly understand the reason why we're calling move_notify() here anyway
and am happy to work around the problem in nouveau instead of breaking the
behaviour expected by other drivers.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Jerome Glisse <j.glisse@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Jan Kara [Wed, 11 Jan 2012 18:52:10 +0000 (18:52 +0000)]
xfs: Fix missing xfs_iunlock() on error recovery path in xfs_readlink()
Commit
b52a360b forgot to call xfs_iunlock() when it detected corrupted
symplink and bailed out. Fix it by jumping to 'out' instead of doing return.
CC: stable@kernel.org
CC: Carlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Alex Elder <elder@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
Jerome Glisse [Mon, 23 Jan 2012 16:52:15 +0000 (11:52 -0500)]
drm/radeon: avoid deadlock if GPU lockup is detected in ib_pool_get
If GPU lockup is detected in ib_pool get we are holding the ib_pool
mutex that will be needed by the GPU reset code. As ib_pool code is
safe to be reentrant from GPU reset code we should not block if we
are trying to get the ib pool lock on the behalf of the same userspace
caller, thus use the radeon_mutex_lock helper.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Jerome Glisse [Tue, 24 Jan 2012 17:08:52 +0000 (12:08 -0500)]
drm/radeon: silence out possible lock dependency warning
Silence out the lock dependency warning by moving bo allocation out
of ib mutex protected section. Might lead to useless temporary
allocation but it's not harmful as such things only happen at
initialization.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Thomas Hellstrom [Tue, 24 Jan 2012 17:54:21 +0000 (18:54 +0100)]
drm: Fix authentication kernel crash
If the master tries to authenticate a client using drm_authmagic and
that client has already closed its drm file descriptor,
either wilfully or because it was terminated, the
call to drm_authmagic will dereference a stale pointer into kmalloc'ed memory
and corrupt it.
Typically this results in a hard system hang.
This patch fixes that problem by removing any authentication tokens
(struct drm_magic_entry) open for a file descriptor when that file
descriptor is closed.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Linus Torvalds [Wed, 25 Jan 2012 06:05:44 +0000 (22:05 -0800)]
Merge branch 'release' of git://git./linux/kernel/git/lenb/linux
Quoth Len:
"This fixes a merge-window regression due to a conflict
between error injection and preparation to remove atomicio.c
Here we fix that regression and complete the removal
of atomicio.c.
This also re-orders some idle initialization code to
complete the merge window series that allows cpuidle
to cope with bringing processors on-line after boot."
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
Use acpi_os_map_memory() instead of ioremap() in einj driver
ACPI, APEI, EINJ, cleanup 0 vs NULL confusion
ACPI, APEI, EINJ Allow empty Trigger Error Action Table
thermal: Rename generate_netlink_event
ACPI / PM: Add Sony Vaio VPCCW29FX to nonvs blacklist.
ACPI: Remove ./drivers/acpi/atomicio.[ch]
ACPI, APEI: Add RAM mapping support to ACPI
ACPI, APEI: Add 64-bit read/write support for APEI on i386
ACPI processor hotplug: Delay acpi_processor_start() call for hotplugged cores
ACPI processor hotplug: Split up acpi_processor_add
Linus Torvalds [Wed, 25 Jan 2012 05:17:51 +0000 (21:17 -0800)]
Merge branch 'merge' of git://git./linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc: Fix build on some non-freescale platforms
powerpc/powernv: Fix PCI resource handling
powerpc/crash: Fix build error without SMP
powerpc/cpuidle: Make it a bool, not a tristate
powerpc/85xx: Add dr_mode property in USB nodes
powerpc/85xx: Enable USB2 controller node for P1020RDB
powerpc/85xx: Fix cmd12 bug and add the chip compatible for eSDHC
arch/powerpc/sysdev/fsl_pci.c: add missing iounmap
powerpc: fix compile error with 85xx/p1022_ds.c
Benjamin Herrenschmidt [Wed, 25 Jan 2012 02:33:22 +0000 (13:33 +1100)]
powerpc: Fix build on some non-freescale platforms
Commit
9deaa53ac7fa373623123aa4f18828dd62292b1a broke build
on platforms that use legacy_serial.c without also having
CONFIG_SERIAL_8250_FSL enabled due to an unconditional code
to a routine in that module.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt [Wed, 25 Jan 2012 02:31:56 +0000 (13:31 +1100)]
powerpc/powernv: Fix PCI resource handling
Recent changes to the handling of PCI resources for host bridges
are breaking the PowerNV code for assigning resources on IODA.
The root of the problem is that the pci_bus attached to a host
bridge no longer has its "legacy" resource pointers populated
but only uses the newer list instead.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Linus Torvalds [Tue, 24 Jan 2012 23:51:40 +0000 (15:51 -0800)]
Merge git://git./linux/kernel/git/davem/net
Davem says:
1) Fix JIT code generation on x86-64 for divide by zero, from Eric Dumazet.
2) tg3 header length computation correction from Eric Dumazet.
3) More build and reference counting fixes for socket memory cgroup
code from Glauber Costa.
4) module.h snuck back into a core header after all the hard work we
did to remove that, from Paul Gortmaker and Jesper Dangaard Brouer.
5) Fix PHY naming regression and add some new PCI IDs in stmmac, from
Alessandro Rubini.
6) Netlink message generation fix in new team driver, should only advertise
the entries that changed during events, from Jiri Pirko.
7) SRIOV VF registration and unregistration fixes, and also add a
missing PCI ID, from Roopa Prabhu.
8) Fix infinite loop in tx queue flush code of brcmsmac, from Stanislaw Gruszka.
9) ftgmac100/ftmac100 build fix, missing interrupt.h include.
10) Memory leak fix in net/hyperv do_set_mutlicast() handling, from Wei Yongjun.
11) Off by one fix in netem packet scheduler, from Vijay Subramanian.
12) TCP loss detection fix from Yuchung Cheng.
13) TCP reset packet MD5 calculation uses wrong address, fix from Shawn Lu.
14) skge carrier assertion and DMA mapping fixes from Stephen Hemminger.
15) Congestion recovery undo performed at the wrong spot in BIC and CUBIC
congestion control modules, fix from Neal Cardwell.
16) Ethtool ETHTOOL_GSSET_INFO is unnecessarily restrictive, from Michał Mirosław.
17) Fix triggerable race in ipv6 sysctl handling, from Francesco Ruggeri.
18) Statistics bug fixes in mlx4 from Eugenia Emantayev.
19) rds locking bug fix during info dumps, from your's truly.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (67 commits)
rds: Make rds_sock_lock BH rather than IRQ safe.
netprio_cgroup.h: dont include module.h from other includes
net: flow_dissector.c missing include linux/export.h
team: send only changed options/ports via netlink
net/hyperv: fix possible memory leak in do_set_multicast()
drivers/net: dsa/mv88e6xxx.c files need linux/module.h
stmmac: added PCI identifiers
llc: Fix race condition in llc_ui_recvmsg
stmmac: fix phy naming inconsistency
dsa: Add reporting of silicon revision for Marvell
88E6123/
88E6161/
88E6165 switches.
tg3: fix ipv6 header length computation
skge: add byte queue limit support
mv643xx_eth: Add Rx Discard and Rx Overrun statistics
bnx2x: fix compilation error with SOE in fw_dump
bnx2x: handle CHIP_REVISION during init_one
bnx2x: allow user to change ring size in ISCSI SD mode
bnx2x: fix Big-Endianess in ethtool -t
bnx2x: fixed ethtool statistics for MF modes
bnx2x: credit-leakage fixup on vlan_mac_del_all
macvlan: fix a possible use after free
...
Christian Kujau [Tue, 17 Jan 2012 19:13:05 +0000 (19:13 +0000)]
powerpc/crash: Fix build error without SMP
I could not find cpus_in_crash anywhere in the sourcetree, except for
arch/powerpc/kernel/crash.c. Moving the definition into the CONFIG_SMP
fixes it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Deepthi Dharwar [Thu, 12 Jan 2012 03:05:55 +0000 (03:05 +0000)]
powerpc/cpuidle: Make it a bool, not a tristate
As pointed out, asm/system.h has empty inline implementations for
update_smt_snooze_delay and pseries_notify_cpuidle_add_cpu, which are
used when CONFIG_PSERIES_IDLE is undefined. Since those two functions
are used in core power architecture functions (store_smt_snooze_delay
at kernel/sysfs.c and smp_xics_setup_cpu at platforms/pseries/smp.c),
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Benjamin Herrenschmidt [Tue, 24 Jan 2012 22:40:34 +0000 (09:40 +1100)]
Merge remote-tracking branch 'kumar/merge' into merge
David S. Miller [Tue, 24 Jan 2012 22:03:44 +0000 (17:03 -0500)]
rds: Make rds_sock_lock BH rather than IRQ safe.
rds_sock_info() triggers locking warnings because we try to perform a
local_bh_enable() (via sock_i_ino()) while hardware interrupts are
disabled (via taking rds_sock_lock).
There is no reason for rds_sock_lock to be a hardware IRQ disabling
lock, none of these access paths run in hardware interrupt context.
Therefore making it a BH disabling lock is safe and sufficient to
fix this bug.
Reported-by: Kumar Sanghvi <kumaras@chelsio.com>
Reported-by: Josh Boyer <jwboyer@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Paul Gortmaker [Tue, 24 Jan 2012 11:33:19 +0000 (11:33 +0000)]
netprio_cgroup.h: dont include module.h from other includes
A considerable effort was invested in wiping out module.h
from being present in all the other standard includes. This
one leaked back in, but once again isn't strictly necessary,
so remove it.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jesper Dangaard Brouer [Tue, 24 Jan 2012 21:03:33 +0000 (16:03 -0500)]
net: flow_dissector.c missing include linux/export.h
The file net/core/flow_dissector.c seems to be missing
including linux/export.h.
Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Pirko [Tue, 24 Jan 2012 05:16:00 +0000 (05:16 +0000)]
team: send only changed options/ports via netlink
This patch changes event message behaviour to send only updated records
instead of whole list. This fixes bug on which userspace receives non-actual
data in case multiple events occur in row.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Wei Yongjun [Tue, 24 Jan 2012 10:21:28 +0000 (10:21 +0000)]
net/hyperv: fix possible memory leak in do_set_multicast()
do_set_multicast() may not free the memory malloc in
netvsc_set_multicast_list().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Paul Gortmaker [Tue, 24 Jan 2012 10:41:40 +0000 (10:41 +0000)]
drivers/net: dsa/mv88e6xxx.c files need linux/module.h
An implicit instance of module.h leaked back into existence
and was masking the fact that these drivers weren't calling
out the include for itself. Fix the drivers before we remove
the implicit include path via net/netprio_cgroup.h file.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alessandro Rubini [Mon, 23 Jan 2012 23:08:56 +0000 (23:08 +0000)]
stmmac: added PCI identifiers
STM has a device ID within its own VENDOR space, and it is being
used in the STA2X11 I/O Hub.
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Radu Iliescu [Thu, 19 Jan 2012 03:57:57 +0000 (03:57 +0000)]
llc: Fix race condition in llc_ui_recvmsg
There is a race on sk_receive_queue between llc_ui_recvmsg and
sock_queue_rcv_skb.
Our current solution is to protect skb_eat in llc_ui_recvmsg
with the queue spinlock.
Signed-off-by: Radu Iliescu <riliescu@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alessandro Rubini [Mon, 23 Jan 2012 23:26:48 +0000 (23:26 +0000)]
stmmac: fix phy naming inconsistency
After commit "
db8857b stmmac: use an unique MDIO bus name" my
device stopped being probed because two different names were being
used in different places. This fixes the inconsistency.
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Florian Fainelli <florian@openwrt.org>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Tue, 24 Jan 2012 20:12:40 +0000 (12:12 -0800)]
Merge branch 'for_linus' of git://git./linux/kernel/git/jack/linux-fs
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
quota: Pass information that quota is stored in system file to userspace
ext2: protect inode changes in the SETVERSION and SETFLAGS ioctls
jbd: Issue cache flush after checkpointing
Mark Brown [Tue, 24 Jan 2012 11:17:26 +0000 (11:17 +0000)]
regulator: Fix documentation for of_node parameter of regulator_register()
Commit
5bc75a886353 ("kernel-doc: fix new warning in regulator core")
added documentation for of_node to address a warning but the
documentation didn't explain what the parameter is for so would be
likely to be unhelpful for users. Clarify that.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Tue, 24 Jan 2012 18:25:29 +0000 (10:25 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Fix silent outputs from docking-station jacks of Dell laptops
ALSA: HDA: Use model=auto for Thinkpad T510
ALSA: hda - Fix buffer-alignment regression with Nvidia HDMI
ALSA: hda - Fix a unused variable warning
snd-hda-intel: better Alienware M17x R3 quirk
ALSA: hda/realtek - Remove use_jack_tbl field
ALSA: hda/realtek - Avoid conflict of unsol-events with static quirks
ALSA: hda/realtek - Avoid multi-ios conflicting with multi-speakers
Alan Cox [Tue, 24 Jan 2012 16:57:42 +0000 (16:57 +0000)]
gma500: Fix shmem mapping
GMA500 did it the old way and it's been on the TODO list to fix.
Current kernels now blow up if we use the old way so we'd better
do the work!
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Alan Cox [Tue, 24 Jan 2012 16:57:42 +0000 (16:57 +0000)]
gma500: Fix shmem mapping
GMA500 did it the old way and it's been on the TODO list to fix. Current kernels
now blow up if we use the old way so we'd better do the work !
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Alex Deucher [Fri, 20 Jan 2012 20:03:30 +0000 (15:03 -0500)]
drm/radeon/kms: refine TMDS dual link checks
HDMI 1.3 defines single link clocks up to 340 Mhz.
Refine the current dual link checks to only enable
dual link for DVI > 165 Mhz or HDMI > 340 Mhz if the
hw supports HDMI 1.3 (DCE3+).
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=44755
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Alex Deucher [Fri, 20 Jan 2012 20:03:29 +0000 (15:03 -0500)]
drm/radeon/kms: use drm_detect_hdmi_monitor for picking encoder mode
We were previously just checking for audio.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Alex Deucher [Fri, 20 Jan 2012 20:01:30 +0000 (15:01 -0500)]
drm/radeon/kms: rework modeset sequence for DCE41 and DCE5
dig transmitter control table only has ENABLE/DISABLE actions
on DCE4.1/DCE5.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=44955
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Alex Deucher [Fri, 20 Jan 2012 20:01:29 +0000 (15:01 -0500)]
drm/radeon/kms: move panel mode setup into encoder mode set
Needs to happen earlier in the mode set.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Alex Deucher [Fri, 20 Jan 2012 19:56:39 +0000 (14:56 -0500)]
drm/radeon/kms: move disp eng pll setup to init path
We really only need to set it up once on init or resume
rather than on every mode set.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Igor Murzov [Sun, 22 Jan 2012 14:47:28 +0000 (18:47 +0400)]
drm/radeon: finish getting bios earlier
Return a number of bytes read in radeon_atrm_get_bios_chunk() and
properly check this value in radeon_atrm_get_bios().
If radeon_atrm_get_bios_chunk() read less bytes then were requested,
it means that it finished reading bios data.
Prior to this patch, condition in radeon_atrm_get_bios() was always
equivalent to "if (ATRM_BIOS_PAGE <= 0)", so it was always false,
thus radeon_atrm_get_bios() was trying to read past the bios data
wasting boot time.
On my lenovo ideapad u455 laptop this patch drops bios reading time
from ~5.5s to ~1.5s.
Signed-off-by: Igor Murzov <e-mail@date.by>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Igor Murzov [Sun, 22 Jan 2012 14:43:25 +0000 (18:43 +0400)]
drm/radeon: fix invalid memory access in radeon_atrm_get_bios()
At a boot time I observed following bug:
BUG: unable to handle kernel paging request at
ffff8800a4244000
IP: [<
ffffffff81275b5b>] memcpy+0xb/0x120
PGD
1816063 PUD
1fe7d067 PMD
1ff9f067 PTE
80000000a4244160
Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
CPU 0
Modules linked in: btusb bluetooth brcmsmac brcmutil crc8 cordic b43 radeon(+)
mac80211 cfg80211 ttm ohci_hcd drm_kms_helper rfkill drm ssb agpgart mmc_core
sp5100_tco video battery ac thermal processor rtc_cmos thermal_sys snd_hda_codec_hdmi
joydev snd_hda_codec_conexant button bcma pcmcia snd_hda_intel snd_hda_codec
snd_hwdep snd_pcm shpchp pcmcia_core k8temp snd_timer atl1c snd psmouse hwmon
i2c_piix4 i2c_algo_bit soundcore evdev i2c_core ehci_hcd sg serio_raw snd_page_alloc
loop btrfs
Pid: 1008, comm: modprobe Not tainted 3.3.0-rc1 #21 LENOVO 20046 /AMD CRB
RIP: 0010:[<
ffffffff81275b5b>] [<
ffffffff81275b5b>] memcpy+0xb/0x120
RSP: 0018:
ffff8800aa72db00 EFLAGS:
00010246
RAX:
ffff8800a4150000 RBX:
0000000000001000 RCX:
0000000000000087
RDX:
0000000000000000 RSI:
ffff8800a4244000 RDI:
ffff8800a4150bc8
RBP:
ffff8800aa72db78 R08:
0000000000000010 R09:
ffffffff8174bbec
R10:
ffffffff812ee010 R11:
0000000000000001 R12:
0000000000001000
R13:
0000000000010000 R14:
ffff8800a4140000 R15:
ffff8800aaba1800
FS:
00007ff9a3bd4720(0000) GS:
ffff8800afa00000(0000) knlGS:
0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0:
000000008005003b
CR2:
ffff8800a4244000 CR3:
00000000a9c18000 CR4:
00000000000006f0
DR0:
0000000000000000 DR1:
0000000000000000 DR2:
0000000000000000
DR3:
0000000000000000 DR6:
00000000ffff0ff0 DR7:
0000000000000400
Process modprobe (pid: 1008, threadinfo
ffff8800aa72c000, task
ffff8800aa0e4000)
Stack:
ffffffffa04e7c7b 0000000000000001 0000000000010000 ffff8800aa72db28
ffffffff00000001 0000000000001000 ffffffff8113cbef 0000000000000020
ffff8800a4243420 ffff880000000002 ffff8800aa72db08 ffff8800a9d42000
Call Trace:
[<
ffffffffa04e7c7b>] ? radeon_atrm_get_bios_chunk+0x8b/0xd0 [radeon]
[<
ffffffff8113cbef>] ? kmalloc_order_trace+0x3f/0xb0
[<
ffffffffa04a9298>] radeon_get_bios+0x68/0x2f0 [radeon]
[<
ffffffffa04c7a30>] rv770_init+0x40/0x280 [radeon]
[<
ffffffffa047d740>] radeon_device_init+0x560/0x600 [radeon]
[<
ffffffffa047ef4f>] radeon_driver_load_kms+0xaf/0x170 [radeon]
[<
ffffffffa043cdde>] drm_get_pci_dev+0x18e/0x2c0 [drm]
[<
ffffffffa04e7e95>] radeon_pci_probe+0xad/0xb5 [radeon]
[<
ffffffff81296c5f>] local_pci_probe+0x5f/0xd0
[<
ffffffff81297418>] pci_device_probe+0x88/0xb0
[<
ffffffff813417aa>] ? driver_sysfs_add+0x7a/0xb0
[<
ffffffff813418d8>] really_probe+0x68/0x180
[<
ffffffff81341be5>] driver_probe_device+0x45/0x70
[<
ffffffff81341cb3>] __driver_attach+0xa3/0xb0
[<
ffffffff81341c10>] ? driver_probe_device+0x70/0x70
[<
ffffffff813400ce>] bus_for_each_dev+0x5e/0x90
[<
ffffffff8134172e>] driver_attach+0x1e/0x20
[<
ffffffff81341298>] bus_add_driver+0xc8/0x280
[<
ffffffff813422c6>] driver_register+0x76/0x140
[<
ffffffff812976d6>] __pci_register_driver+0x66/0xe0
[<
ffffffffa043d021>] drm_pci_init+0x111/0x120 [drm]
[<
ffffffff8133c67a>] ? vga_switcheroo_register_handler+0x3a/0x60
[<
ffffffffa0229000>] ? 0xffffffffa0228fff
[<
ffffffffa02290ec>] radeon_init+0xec/0xee [radeon]
[<
ffffffff810002f2>] do_one_initcall+0x42/0x180
[<
ffffffff8109d8d2>] sys_init_module+0x92/0x1e0
[<
ffffffff815407a9>] system_call_fastpath+0x16/0x1b
Code: 58 2a 43 50 88 43 4e 48 83 c4 08 5b c9 c3 66 90 e8 cb fd ff ff eb
e6 90 90 90 90 90 90 90 90 90 48 89 f8 89 d1 c1 e9 03 83 e2 07 <f3> 48
a5 89 d1 f3 a4 c3 20 48 83 ea 20 4c 8b 06 4c 8b 4e 08 4c
RIP [<
ffffffff81275b5b>] memcpy+0xb/0x120
RSP <
ffff8800aa72db00>
CR2:
ffff8800a4244000
---[ end trace
fcffa1599cf56382 ]---
Call to acpi_evaluate_object() not always returns 4096 bytes chunks,
on my system it can return 2048 bytes chunk, so pass the length of
retrieved chunk to memcpy(), not the length of the recieving buffer.
Signed-off-by: Igor Murzov <e-mail@date.by>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Jesper Juhl [Mon, 23 Jan 2012 21:28:44 +0000 (22:28 +0100)]
ASoC: wm2000: Fix use-after-free - don't release_firmware() twice on error
In wm2000_i2c_probe(), if we take the true branch in
"
ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm2000,
NULL, 0);
if (ret != 0)
goto err_fw;
"
then we'll release_firmware(fw) at the 'err_fw' label. But we've already
done that just a few lines above. That's a use-after-free bug.
This patch restructures the code so that we always call
release_firmware(fw) before leaving the function, but only ever call
it once.
This means that we have to initialize 'fw' to NULL since some paths
may now end up calling it without having called request_firmware(),
but since request_firmware() deals gracefully with NULL pointers, we
are fine if we just NULL initialize it.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Stephen Rothwell [Tue, 24 Jan 2012 00:41:32 +0000 (11:41 +1100)]
migrate_mode.h is not exported to user mode
so move its include into fs.h inside the __KERNEL__ protection.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Len Brown [Tue, 24 Jan 2012 00:47:06 +0000 (19:47 -0500)]
Merge branches 'atomicio-apei', 'hotplug', 'sony-nvs-nosave' and 'thermal-netlink' into release
Luck, Tony [Mon, 23 Jan 2012 23:27:56 +0000 (15:27 -0800)]
Use acpi_os_map_memory() instead of ioremap() in einj driver
ioremap() has become more picky and is now spitting out console messages like:
ioremap error for 0xbddbd000-0xbddbe000, requested 0x10, got 0x0
when loading the einj driver. What we are trying to so here is map
a couple of data structures that the EINJ table points to. Perhaps
acpi_os_map_memory() is a better tool for this?
Most importantly it works, but as a side benefit it maps the structures
into kernel virtual space so we can access them with normal C memory
dereferences, so instead of using:
writel(param1, &v5param->apicid);
we can use the more natural:
v5param->apicid = param1;
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Dan Carpenter [Fri, 20 Jan 2012 07:57:14 +0000 (10:57 +0300)]
ACPI, APEI, EINJ, cleanup 0 vs NULL confusion
This function is returning pointers. Sparse complains here:
drivers/acpi/apei/einj.c:262:32: warning:
Using plain integer as NULL pointer
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Niklas Söderlund [Mon, 9 Jan 2012 15:49:44 +0000 (16:49 +0100)]
ACPI, APEI, EINJ Allow empty Trigger Error Action Table
According to the ACPI spec [1] section 18.6.4 the TRIGGER_ERROR action
table can consists of zero elements.
[1] Advanced Configuration and Power Interface Specification
Revision 5.0, December 6, 2011
http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf
Signed-off-by: Niklas Söderlund <niklas.soderlund@ericsson.com>
Acked-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Linus Torvalds [Mon, 23 Jan 2012 23:11:27 +0000 (15:11 -0800)]
Merge tag 'pm-fixes-for-3.3' of git://git./linux/kernel/git/rafael/linux-pm
Power management fixes for 3.3
Two fixes for regressions introduced during the merge window, one fix for
a long-standing obscure issue in the computation of hibernate image size
and two small PM documentation fixes.
* tag 'pm-fixes-for-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / Sleep: Fix read_unlock_usermodehelper() call.
PM / Hibernate: Rewrite unlock_system_sleep() to fix s2disk regression
PM / Hibernate: Correct additional pages number calculation
PM / Documentation: Fix minor issue in freezing_of_tasks.txt
PM / Documentation: Fix spelling mistake in basic-pm-debugging.txt
Linus Torvalds [Mon, 23 Jan 2012 22:50:30 +0000 (14:50 -0800)]
Merge tag 'arm-soc-imx-move' of git://git./linux/kernel/git/arm/arm-soc
Consolidate i.MX 5 platforms to be under the new shared i.MX 3/5/6 tree.
* tag 'arm-soc-imx-move' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM i.MX: Update defconfig
ARM i.MX: Merge i.MX5 support into mach-imx
ARM i.MX5: remove unnecessary includes from board files
Fix up fairly trivial conflicts due to various changes nearby in
arch/arm/{mach,plat}-imx/{Kconfig,Makefile}
Pull request had been sent to the wrong email address, but happened
before the merge window closed. I'm merging the MX 5 consolidation,
since it apparently will help the next development window and will avoid
conflicts later as per Arnd.
Jesper Juhl [Mon, 23 Jan 2012 20:15:48 +0000 (21:15 +0100)]
ASoC: wm8958: Use correct format string in dev_err() call
To print a value of type size_t one should use %zd, not %d.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Tetsuo Handa [Mon, 23 Jan 2012 20:59:08 +0000 (21:59 +0100)]
PM / Sleep: Fix read_unlock_usermodehelper() call.
Commit
b298d289
"PM / Sleep: Fix freezer failures due to racy usermodehelper_is_disabled()"
added read_unlock_usermodehelper() but read_unlock_usermodehelper() is called
without read_lock_usermodehelper() when kmalloc() failed.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Mauro Carvalho Chehab [Mon, 23 Jan 2012 15:15:22 +0000 (13:15 -0200)]
[media] cinergyT2-fe: Fix bandwdith settings
Changeset
7830bbaff9f mangled the bandwidth field for CinergyT2.
Properly fill it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Josh Wu [Wed, 11 Jan 2012 03:58:29 +0000 (00:58 -0300)]
[media] V4L: atmel-isi: add clk_prepare()/clk_unprepare() functions
Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Antti Palosaari [Fri, 20 Jan 2012 22:48:28 +0000 (19:48 -0300)]
[media] cxd2820r: sleep on DVB-T/T2 delivery system switch
Fix bug introduced by multi-frontend to single-frontend change.
It is safer to put DVB-T parts sleeping when auto-switching to DVB-T2
and vice versa. That was original behaviour.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Antti Palosaari [Fri, 20 Jan 2012 20:39:17 +0000 (17:39 -0300)]
[media] anysee: fix CI init
No more error that error seen when device is plugged:
dvb_ca adapter 0: Invalid PC card inserted :(
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Antti Palosaari [Thu, 19 Jan 2012 17:46:43 +0000 (14:46 -0300)]
[media] cxd2820r: remove unused parameter from cxd2820r_attach
Fix bug introduced by multi-frontend to single-frontend change.
This parameter is no longer used after multi-frontend to single-frontend change.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Antti Palosaari [Wed, 18 Jan 2012 16:57:33 +0000 (13:57 -0300)]
[media] cxd2820r: fix dvb_frontend_ops
Fix bug introduced by multi-frontend to single-frontend change.
* Add missing DVB-C caps
* Change frontend name as single frontend does all the standards
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Chris Healy [Sun, 22 Jan 2012 21:20:54 +0000 (21:20 +0000)]
dsa: Add reporting of silicon revision for Marvell
88E6123/
88E6161/
88E6165 switches.
Add reporting of silicon revision during the probe function for Marvell
88E6123/
88E6161/
88E6165 switches.
Signed-off-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet [Mon, 23 Jan 2012 01:22:09 +0000 (01:22 +0000)]
tg3: fix ipv6 header length computation
tg3_start_xmit() makes the wrong assumption for TSOV6 that skb->head
doesnt include any payload data.
if (skb_is_gso_v6(skb))
hdr_len = skb_headlen(skb) - ETH_HLEN;
This is not true anymore after commit
f07d960df3 (tcp: avoid frag
allocation for small frames)
We should instead use : skb_transport_offset(skb) + tcp_hdrlen(skb)
Its also true for IPv4
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Matt Carlson <mcarlson@broadcom.com>
CC: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
stephen hemminger [Sun, 22 Jan 2012 09:40:40 +0000 (09:40 +0000)]
skge: add byte queue limit support
This also changes the cleanup logic slightly to aggregate
completed notifications for multiple packets.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Paulius Zaleckas [Mon, 23 Jan 2012 01:16:35 +0000 (01:16 +0000)]
mv643xx_eth: Add Rx Discard and Rx Overrun statistics
These statistics helped me a lot while searching who is losing
packets in my setup.
I added these stats to MIB group since they are very similar,
but just in other registers.
I have tested this patch on
88F6281 SoC.
Signed-off-by: Paulius Zaleckas <paulius.zaleckas@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Yuval Mintz [Mon, 23 Jan 2012 07:31:56 +0000 (07:31 +0000)]
bnx2x: fix compilation error with SOE in fw_dump
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ariel Elior [Mon, 23 Jan 2012 07:31:55 +0000 (07:31 +0000)]
bnx2x: handle CHIP_REVISION during init_one
The macro `CHIP_IS_E1x' requires `bp' to be initialized.
As `bp' is not yet initialized during this phase of `bnx2x_init_dev',
it accessed uninitialized fields in the struct.
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dmitry Kravkov [Mon, 23 Jan 2012 07:31:54 +0000 (07:31 +0000)]
bnx2x: allow user to change ring size in ISCSI SD mode
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dmitry Kravkov [Mon, 23 Jan 2012 07:31:53 +0000 (07:31 +0000)]
bnx2x: fix Big-Endianess in ethtool -t
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Yuval Mintz [Mon, 23 Jan 2012 07:31:52 +0000 (07:31 +0000)]
bnx2x: fixed ethtool statistics for MF modes
Previosuly, in MF modes `ethtool -S' lacked some of the statistics
which appeared in non-MF modes. This has been fixed.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Yuval Mintz [Mon, 23 Jan 2012 07:31:51 +0000 (07:31 +0000)]
bnx2x: credit-leakage fixup on vlan_mac_del_all
Upon insertion of elements into the execution queue, it is validated
that there are enough credits to support additional vlan-macs,
and the credits are consumed. However, when removing a pending
command in `bnx2x_vland_mac_del_all' the consumed credits are not
released, which might cause leakage and eventually the inability to
add new vlan-macs in certain scenarios.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet [Mon, 23 Jan 2012 05:38:59 +0000 (05:38 +0000)]
macvlan: fix a possible use after free
Commit
bc416d9768 (macvlan: handle fragmented multicast frames) added a
possible use after free in macvlan_handle_frame(), since
ip_check_defrag() uses pskb_may_pull() : skb header can be reallocated.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Ben Greear <greearb@candelatech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Mon, 23 Jan 2012 18:08:08 +0000 (10:08 -0800)]
Merge branch 'kernel-doc' from Randy Dunlap
The usual kernel-doc fixups from Randy. Some of them David acked as
merged in his tree, this is the random left-overs.
* kernel-doc:
docbook: fix sched source file names in device-drivers book
docbook: change iomap source filename in deviceiobook
docbook: don't use serial_core.h in device-drivers book
kernel-doc: fix kernel-doc warnings in sched
kernel-doc: fix new warnings in cfg80211.h
kernel-doc: fix new warning in usb.h
kernel-doc: fix new warnings in device.h
kernel-doc: fix new warnings in debugfs
kernel-doc: fix new warning in regulator core
kernel-doc: fix new warnings in pci
kernel-doc: fix new warnings in driver-core
kernel-doc: fix new warnings in auditsc.c
scripts/kernel-doc: fix fatal error caused by cfg80211.h
Linus Torvalds [Mon, 23 Jan 2012 17:27:54 +0000 (09:27 -0800)]
Merge branch 'akpm'
Quoth Andrew:
"Random fixes. And a simple new LED driver which I'm trying to sneak
in while you're not looking."
Sneaking successful.
* akpm:
score: fix off-by-one index into syscall table
mm: fix rss count leakage during migration
SHM_UNLOCK: fix Unevictable pages stranded after swap
SHM_UNLOCK: fix long unpreemptible section
kdump: define KEXEC_NOTE_BYTES arch specific for s390x
mm/hugetlb.c: undo change to page mapcount in fault handler
mm: memcg: update the correct soft limit tree during migration
proc: clear_refs: do not clear reserved pages
drivers/video/backlight/l4f00242t03.c: return proper error in l4f00242t03_probe if regulator_get() fails
drivers/video/backlight/adp88x0_bl.c: fix bit testing logic
kprobes: initialize before using a hlist
ipc/mqueue: simplify reading msgqueue limit
leds: add led driver for Bachmann's ot200
mm: __count_immobile_pages(): make sure the node is online
mm: fix NULL ptr dereference in __count_immobile_pages
mm: fix warnings regarding enum migrate_mode
Linus Torvalds [Mon, 23 Jan 2012 17:26:37 +0000 (09:26 -0800)]
Merge branch 'for-linus-3.3' of git://git.linaro.org/people/sumitsemwal/linux-dma-buf
* 'for-linus-3.3' of git://git.linaro.org/people/sumitsemwal/linux-dma-buf:
MAINTAINERS: Add dma-buf sharing framework maintainer
Takashi Iwai [Mon, 23 Jan 2012 17:23:36 +0000 (18:23 +0100)]
ALSA: hda - Fix silent outputs from docking-station jacks of Dell laptops
The recent change of the power-widget handling for IDT codecs caused
the silent output from the docking-station line-out jack. This was
partially fixed by the commit
f2cbba7602383cd9cdd21f0a5d0b8bd1aad47b33
"ALSA: hda - Fix the lost power-setup of seconary pins after PM resume".
But the line-out on the docking-station is still silent when booted
with the jack plugged even by this fix.
The remainig bug is that the power-widget is set off in stac92xx_init()
because the pins in cfg->line_out_pins[] aren't checked there properly
but only hp_pins[] are checked in is_nid_hp_pin().
This patch fixes the problem by checking both HP and line-out pins
and leaving the power-map correctly.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=42637
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Linus Torvalds [Mon, 23 Jan 2012 16:59:49 +0000 (08:59 -0800)]
Merge git://git.samba.org/sfrench/cifs-2.6
* git://git.samba.org/sfrench/cifs-2.6:
CIFS: Rename *UCS* functions to *UTF16*
[CIFS] ACL and FSCACHE support no longer EXPERIMENTAL
[CIFS] Fix build break with multiuser patch when LANMAN disabled
cifs: warn about impending deprecation of legacy MultiuserMount code
cifs: fetch credentials out of keyring for non-krb5 auth multiuser mounts
cifs: sanitize username handling
keys: add a "logon" key type
cifs: lower default wsize when unix extensions are not used
cifs: better instrumentation for coalesce_t2
cifs: integer overflow in parse_dacl()
cifs: Fix sparse warning when calling cifs_strtoUCS
CIFS: Add descriptions to the brlock cache functions