Stephen M. Cameron [Thu, 12 Nov 2009 18:49:55 +0000 (12:49 -0600)]
cciss: Do not automatically rescan on UNIT ATTENTION/LUN DATA CHANGED
cciss: Do not automatically rescan on UNIT ATTENTION/LUN DATA CHANGED
There are problems with doing this. If, say, several logical drives
are deleted at once, several such UNIT ATTENTIONS will be encountered,
often during the rescan triggered by the first such UNIT ATTENTION.
The block layer may be in the midst of trying to add logical drives
which were just deleted (resulting in the subsequent UNIT ATTENTION(s).)
Making the rescan code robust enough to tolerate this kind of thing
is too complicated for the moment. So, for now, we just don't do it.
Note: This UNIT ATTENTION/LUN DATA CHANGED situation only occurs on
the MSA2012.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Stephen M. Cameron [Thu, 12 Nov 2009 18:49:50 +0000 (12:49 -0600)]
cciss: Remove unnecessary check in scan_thread
cciss: Remove unnecessary check in scan_thread
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Stephen M. Cameron [Thu, 12 Nov 2009 18:49:45 +0000 (12:49 -0600)]
cciss: fix typo that causes scsi status to be lost.
cciss: fix typo that causes scsi status to be lost.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Stephen M. Cameron [Thu, 12 Nov 2009 18:49:40 +0000 (12:49 -0600)]
cciss: remove sendcmd() as it is no longer used.
cciss: remove sendcmd() as it is no longer used.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Stephen M. Cameron [Thu, 12 Nov 2009 18:49:35 +0000 (12:49 -0600)]
cciss: clean up code in cciss_shutdown
cciss: clean up code in cciss_shutdown. Send the flush cache
command down with interrupts still enabled, and do not do DMA
from the stack.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Stephen M. Cameron [Thu, 12 Nov 2009 18:49:30 +0000 (12:49 -0600)]
cciss: Remove the "withirq" parameter from various functions where possible
cciss: Remove the "withirq" parameter from various functions where possible
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Stephen M. Cameron [Thu, 12 Nov 2009 18:49:25 +0000 (12:49 -0600)]
cciss: Retry driver initiated cmds with unit attention condition
cciss: Retry driver initiated cmds with unit attention condition
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Stephen M. Cameron [Thu, 12 Nov 2009 18:49:19 +0000 (12:49 -0600)]
cciss: Fix problem with remove_from_scan_list on driver unload
cciss: Fix problem with remove_from_scan_list that on driver unload
it doesn't remove the controller from the scan list correctly if
the controller is currently being scanned for new devices.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Alex Chiang [Thu, 12 Nov 2009 18:49:14 +0000 (12:49 -0600)]
cciss: Make device attributes static
cciss: Make device attributes static
Cc: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Acked-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Randy Dunlap [Wed, 11 Nov 2009 12:47:45 +0000 (13:47 +0100)]
block: jiffies fixes
Use HZ-independent calculation of milliseconds.
Add jiffies.h where it was missing since functions or macros
from it are used.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Martin K. Petersen [Tue, 10 Nov 2009 10:50:21 +0000 (11:50 +0100)]
block: Expose discard granularity
While SSDs track block usage on a per-sector basis, RAID arrays often
have allocation blocks that are bigger. Allow the discard granularity
and alignment to be set and teach the topology stacking logic how to
handle them.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Corrado Zoccolo [Sun, 8 Nov 2009 16:16:46 +0000 (17:16 +0100)]
cfq-iosched: fix next_rq computation
Cfq has a bug in computation of next_rq, that affects transition
between multiple sequential request streams in a single queue
(e.g.: two sequential buffered writers of the same priority),
causing the alternation between the two streams for a transient period.
8,0 1 18737 0.
260400660 5312 D W
141653311 + 256
8,0 1 20839 0.
273239461 5400 D W
141653567 + 256
8,0 1 20841 0.
276343885 5394 D W
142803919 + 256
8,0 1 20843 0.
279490878 5394 D W
141668927 + 256
8,0 1 20845 0.
292459993 5400 D W
142804175 + 256
8,0 1 20847 0.
295537247 5400 D W
141668671 + 256
8,0 1 20849 0.
298656337 5400 D W
142804431 + 256
8,0 1 20851 0.
311481148 5394 D W
141668415 + 256
8,0 1 20853 0.
314421305 5394 D W
142804687 + 256
8,0 1 20855 0.
318960112 5400 D W
142804943 + 256
The fix makes sure that the next_rq is computed from the last
dispatched request, and not affected by merging.
8,0 1 37776 4.
305161306 0 D W
141738087 + 256
8,0 1 37778 4.
308298091 0 D W
141738343 + 256
8,0 1 37780 4.
312885190 0 D W
141738599 + 256
8,0 1 37782 4.
315933291 0 D W
141738855 + 256
8,0 1 37784 4.
319064459 0 D W
141739111 + 256
8,0 1 37786 4.
331918431 5672 D W
142803007 + 256
8,0 1 37788 4.
334930332 5672 D W
142803263 + 256
8,0 1 37790 4.
337902723 5672 D W
142803519 + 256
8,0 1 37792 4.
342359774 5672 D W
142803775 + 256
8,0 1 37794 4.
345318286 0 D W
142804031 + 256
Signed-off-by: Corrado Zoccolo <czoccolo@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Jens Axboe [Wed, 4 Nov 2009 17:38:23 +0000 (18:38 +0100)]
Merge branch 'for-jens' of git://git.drbd.org/linux-2.6-drbd into for-2.6.33
Philipp Reisner [Tue, 27 Oct 2009 11:37:14 +0000 (12:37 +0100)]
Now it is equal to DRBD release 8.3.5 without compat crap
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Lars Ellenberg [Tue, 3 Nov 2009 01:22:06 +0000 (02:22 +0100)]
drbd: performance - don't lose unplug events
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Philipp Reisner [Fri, 23 Oct 2009 11:57:45 +0000 (13:57 +0200)]
Do not deadlock in drbd_disconnect() [bugz 258]
When there are many blocks on the fly (ua), and the AL gets into "starving"
mode (random IO, scattered all over the device), and the connections gets
interrupted, the receiver thread deadlocks in the drbd_disconnect() code path.
Affected are only nodes in Primary role.
The bug triggers most likely on system that mirror over "long distances"
Regression introduced shortly before 8.3.3
with git commit
31e0f1250f174ac1ee317f360943a0159e19edc8
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Philipp Reisner [Wed, 21 Oct 2009 11:08:29 +0000 (13:08 +0200)]
drbdsetup X resume-io should be usable to resume IO [Bugz 256]
When IO gets frozen due to a broken fence-peer script, the user
should be able to thaw IO by the resume-io command.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Lars Ellenberg [Mon, 12 Oct 2009 17:07:49 +0000 (19:07 +0200)]
drbd: fix check for too large lower level device
To check wether we are truncating a very large device due to limited
meta data space, we need to check the ll_dev size.
Also improve the printk to suggest "flexible" or "internal".
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Lars Ellenberg [Wed, 14 Oct 2009 07:36:49 +0000 (09:36 +0200)]
fix grammar in printk
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Lars Ellenberg [Mon, 21 Sep 2009 08:46:22 +0000 (10:46 +0200)]
change default: by default, use socket buffer auto tuning
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
H Hartley Sweeten [Wed, 4 Nov 2009 08:10:33 +0000 (09:10 +0100)]
block/scsi_ioctl.c: quiet sparse noise
Quiet sparse noise about symbol's not being declared.
Symbol blk_default_cmd_filter is only used locally and should be static.
The function blk_scsi_ioctl_init() is a fs_initcall and should also be
static.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Changli Gao [Wed, 4 Nov 2009 08:09:52 +0000 (09:09 +0100)]
sendfile(): check f_op.splice_write() rather than f_op.sendpage()
sendfile(2) was reworked with the splice infrastructure, but it still
checks f_op.sendpage() instead of f_op.splice_write() wrongly. Although
if f_op.sendpage() exists, f_op.splice_write() always exists at the same
time currently, the assumption will be broken in future silently. This
patch also brings a side effect: sendfile(2) can work with any output
file. Some security checks related to f_op are added too.
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Hideyuki Sasaki [Wed, 4 Nov 2009 08:09:28 +0000 (09:09 +0100)]
block/ps3: fix slow VRAM IO
The current PS3 VRAM driver uses msleep() to wait for completion of RSX
DMA transfers between system memory and VRAM. Depending on the system
timing, the processing delay and overhead of this msleep() call can
significantly impact VRAM driver IO.
To avoid the condition, add a short duration (200 usec max) udelay()
polling loop before entering the msleep() polling loop.
Signed-off-by: Hideyuki Sasaki <xhide@rd.scei.sony.co.jp>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Acked-by: Jim Paris <jim@jtan.com>
Cc: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Jens Axboe [Wed, 4 Nov 2009 07:54:55 +0000 (08:54 +0100)]
cfq-iosched: get rid of the coop_preempt flag
We need to rework this logic post the cooperating cfq_queue merging,
for now just get rid of it and Jeff Moyer will fix the fall out.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Jens Axboe [Tue, 3 Nov 2009 20:25:45 +0000 (21:25 +0100)]
cfq-iosched: fix merge error
We ended up with testing the same condition twice, pretty
pointless. Remove that first if.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Jens Axboe [Tue, 3 Nov 2009 20:14:39 +0000 (21:14 +0100)]
Merge branch 'for-linus' into for-2.6.33
Conflicts:
block/cfq-iosched.c
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Jens Axboe [Tue, 3 Nov 2009 20:12:10 +0000 (21:12 +0100)]
Merge branch 'cfq-2.6.33' into for-2.6.33
Shaohua Li [Tue, 3 Nov 2009 19:25:02 +0000 (20:25 +0100)]
cfq-iosched: limit coop preemption
CFQ has an optimization for cooperated applications. if several
io-context have close requests, they will get boost. But the
optimization get abused. Considering thread a, b, which work on one
file. a reads sectors s, s+2, s+4, ...; b reads sectors s+1, s+3, s
+5, ... Both a and b are sequential read, so they can open idle window.
a reads a sector s and goes to idle window and wakeup b. b reads sector
s+1, since in current implementation, cfq_should_preempt() thinks a and
b are cooperators, b will preempt a. b then reads sector s+1 and goes to
idle window and wakeup a. for the same reason, a will preempt b and
reads s+2. a and b will continue the circle. The circle will be very
long, and a and b will occupy whole disk queue. Other applications will
nearly have no chance to run.
Fix this limiting coop preempt until a queue is scheduled normally
again.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Acked-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Jens Axboe [Tue, 3 Nov 2009 19:21:35 +0000 (20:21 +0100)]
cfq-iosched: fix bad return value cfq_should_preempt()
Commit
a6151c3a5c8e1ff5a28450bc8d6a99a2a0add0a7 inadvertently reversed
a preempt condition check, potentially causing a performance regression.
Make the meta check correct again.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Jens Axboe [Tue, 3 Nov 2009 19:18:44 +0000 (20:18 +0100)]
backing-dev: bdi sb prune should be in the unregister path, not destroy
Commit
592b09a42fc3ae6737a0f3ecf4fee42ecd0296f8 was different from
the tested path, in that it moved the bdi super_block prune from
unregister to destroy context. This doesn't fully fix the sync hang
bug on unexpected device removal, as need to prune the bdi cache
pointer before killing flusher thread.
Tested-by: Artur Skawina <art.08.09@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Philipp Reisner [Tue, 3 Nov 2009 09:59:10 +0000 (10:59 +0100)]
Merge branch 'for-2.6.33' of git://git.kernel.dk/linux-2.6-block into for-2.6.33
Alberto Bertogli [Mon, 2 Nov 2009 10:39:42 +0000 (11:39 +0100)]
Fix bio_alloc() and bio_kmalloc() documentation
Commit
451a9ebf accidentally broke bio_alloc() and bio_kmalloc() comments by
(almost) swapping them.
This patch fixes that, by placing the comments in the right place.
Signed-off-by: Alberto Bertogli <albertito@blitiri.com.ar>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Alberto Bertogli [Mon, 2 Nov 2009 10:40:16 +0000 (11:40 +0100)]
Do not __always_inline bvec_kmap_irq() and bvec_kunmap_irq()
So remove both the comment and the inline requirement, going back to the
inline hint.
Signed-off-by: Alberto Bertogli <albertito@blitiri.com.ar>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Alberto Bertogli [Mon, 2 Nov 2009 10:39:22 +0000 (11:39 +0100)]
bio_put(): add bio_clone() to the list of functions in the comment
In bio_put()'s comment, add bio_clone() to the list of functions that can
give you a bio reference.
Signed-off-by: Alberto Bertogli <albertito@blitiri.com.ar>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Corrado Zoccolo [Mon, 2 Nov 2009 09:40:37 +0000 (10:40 +0100)]
cfq-iosched: simplify prio-unboost code
Eliminate redundant checks.
Signed-off-by: Corrado Zoccolo <czoccolo@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Linus Torvalds [Sat, 31 Oct 2009 19:16:20 +0000 (12:16 -0700)]
Merge git://git./linux/kernel/git/gregkh/staging-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6:
Staging: fix wireless drivers depends
Staging: wireless drivers Kconfig change
Staging: android: mark subsystem as broken
Staging: remove stlc45xx driver
Staging: rtl8187se/rtl8192e/rtl8192su: allow module unload
Staging: vt6656: fix the memory free bug in vntwusb_disconnect()
Staging: Panel: prevent driver from calling misc_deregister twice on same ressource
Staging: hv: fix oops in vmbus - missing #include
Staging: hv: fix oops in vmbus - netvsc list_head
Staging: hv: fix oops in vmbus - udev events
Staging: hv: Fix vmbus load hang caused by faulty data packing
Staging: hv: Fix null pointer error after vmbus loading
Staging: hv TODO patches
Linus Torvalds [Sat, 31 Oct 2009 19:16:09 +0000 (12:16 -0700)]
Merge git://git./linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: fsl_udc_core: Fix kernel oops on module removal
USB: option: TLAYTECH TUE800 support
USB: r8a66597-hcd: fix cannot detect a device when uses_new_polling is set
USB: serial: sierra driver autopm fixes
USB: serial: sierra driver send_setup() autopm fix
USB: rndis_host: debug info clobbered before it is logged
Linus Torvalds [Sat, 31 Oct 2009 19:15:58 +0000 (12:15 -0700)]
Merge git://git./linux/kernel/git/gregkh/tty-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
tty: Mark generic_serial users as BROKEN
Linus Torvalds [Sat, 31 Oct 2009 19:15:28 +0000 (12:15 -0700)]
Merge git://git./linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
Documentation: ABI: /sys/devices/system/cpu/cpu#/node
Documentation: ABI: /sys/devices/system/cpu/cpuidle/
Documentation: ABI: /sys/devices/system/cpu/sched_[mc|smt]_power_savings
Documentation: ABI: /sys/devices/system/cpu/cpu#/ topology files
Documentation: ABI: /sys/devices/system/cpu/ topology files
Documentation: ABI: document /sys/devices/system/cpu/
Documentation: ABI: rename sysfs-devices-cache_disable properly
Driver core: allow certain drivers prohibit bind/unbind via sysfs
Driver core: fix driver_register() return value
Linus Torvalds [Sat, 31 Oct 2009 19:14:56 +0000 (12:14 -0700)]
Merge branch 'for-linus' of git://git390.marist.edu/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
[S390] smp: fix sigp sense handling
[S390] smp: fix sigp stop handling
[S390] cputime: fix overflow on 31 bit systems
[S390] call home: fix string length handling
[S390] call home: fix error handling in init function
[S390] smp: fix prefix handling of offlined cpus
[S390] s/r: cmm resume fix
[S390] call home: fix local buffer usage in proc handler
Linus Torvalds [Sat, 31 Oct 2009 19:12:49 +0000 (12:12 -0700)]
Merge branch 'for-linus' of git://git./fs/xfs/xfs
* 'for-linus' of git://git.kernel.org/pub/scm/fs/xfs/xfs:
xfs: fix xfs_quota remove error
xfs: free temporary cursor in xfs_dialloc
Linus Torvalds [Sat, 31 Oct 2009 19:12:19 +0000 (12:12 -0700)]
Merge branch 'for-linus' of git://neil.brown.name/md
* 'for-linus' of git://neil.brown.name/md:
async_tx: fix asynchronous raid6 recovery for ddf layouts
async_pq: rename scribble page
async_pq: kill a stray dma_map() call and other cleanups
md/raid6: kill a gcc-4.0.1 'uninitialized variable' warning
raid6/async_tx: handle holes in block list in async_syndrome_val
md/async: don't pass a memory pointer as a page pointer.
md: Fix handling of raid5 array which is being reshaped to fewer devices.
md: fix problems with RAID6 calculations for DDF.
md/raid456: downlevel multicore operations to raid_run_ops
md: drivers/md/unroll.pl replaced with awk analog
md: remove clumsy usage of do_sync_mapping_range from bitmap code
md: raid1/raid10: handle allocation errors during array setup.
md/raid5: initialize conf->device_lock earlier
md/raid1/raid10: add a cond_resched
Revert "md: do not progress the resync process if the stripe was blocked"
OGAWA Hirofumi [Fri, 30 Oct 2009 08:02:31 +0000 (17:02 +0900)]
dpt_i2o: Fix typo of EINVAL
Commit
ef7562b7f28319e6dd1f85dc1af87df2a7a84832 ("dpt_i2o: Fix up
copy*user") had a silly typo: EINVAL should be -EINVAL.
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: stable@kernel.org
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
David Howells [Fri, 30 Oct 2009 13:13:26 +0000 (13:13 +0000)]
NOMMU: Don't pass NULL pointers to fput() in do_mmap_pgoff()
Don't pass NULL pointers to fput() in the error handling paths of the NOMMU
do_mmap_pgoff() as it can't handle it.
The following can be used as a test program:
int main() { static long long a[1024 * 1024 * 20] = { 0 }; return a;}
Without the patch, the code oopses in atomic_long_dec_and_test() as called by
fput() after the kernel complains that it can't allocate that big a chunk of
memory. With the patch, the kernel just complains about the allocation size
and then the program segfaults during execve() as execve() can't complete the
allocation of all the new ELF program segments.
Reported-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Robin Getz <rgetz@blackfin.uclinux.org>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Alex Chiang [Thu, 22 Oct 2009 04:15:30 +0000 (22:15 -0600)]
Documentation: ABI: /sys/devices/system/cpu/cpu#/node
Describe NUMA node symlink created for CPUs when CONFIG_NUMA is set.
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Alex Chiang [Thu, 22 Oct 2009 03:45:41 +0000 (21:45 -0600)]
Documentation: ABI: /sys/devices/system/cpu/cpuidle/
Document cpuidle sysfs attributes by reading code, Documentation/cpuidle/,
and git logs.
Cc: Venki Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Alex Chiang [Thu, 22 Oct 2009 03:45:36 +0000 (21:45 -0600)]
Documentation: ABI: /sys/devices/system/cpu/sched_[mc|smt]_power_savings
Document sched_[mc|smt]_power_savings by reading existing code and
git logs.
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Alex Chiang [Thu, 22 Oct 2009 03:45:31 +0000 (21:45 -0600)]
Documentation: ABI: /sys/devices/system/cpu/cpu#/ topology files
Add brief descriptions for the following sysfs files:
/sys/devices/system/cpu/cpu#/topology/core_id
/sys/devices/system/cpu/cpu#/topology/core_siblings
/sys/devices/system/cpu/cpu#/topology/core_siblings_list
/sys/devices/system/cpu/cpu#/topology/physical_package_id
/sys/devices/system/cpu/cpu#/topology/thread_siblings
/sys/devices/system/cpu/cpu#/topology/thread_siblings_list
The descriptions in Documentation/cputopology.txt weren't very
informative, so I attempted a better description based on code
reading and hopeful guessing.
Updated Documentation/cputopology.txt with the better descriptions and
fixed some style issues.
Cc: Mike Travis <travis@sgi.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Alex Chiang [Thu, 22 Oct 2009 03:45:25 +0000 (21:45 -0600)]
Documentation: ABI: /sys/devices/system/cpu/ topology files
Add brief descriptions for the following sysfs files:
/sys/devices/system/cpu/kernel_max
/sys/devices/system/cpu/offline
/sys/devices/system/cpu/online
/sys/devices/system/cpu/possible
/sys/devices/system/cpu/present
Excerpted the relevant information from Documentation/cputopology.txt
and pointed back to cputopology.txt as the authoritative source of
information.
Cc: Mike Travis <travis@sgi.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Alex Chiang [Thu, 22 Oct 2009 03:45:20 +0000 (21:45 -0600)]
Documentation: ABI: document /sys/devices/system/cpu/
This interface has been around for a long time, but hasn't been
officially documented.
Document the top level sysfs directory for CPU attributes.
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Alex Chiang [Thu, 22 Oct 2009 03:45:15 +0000 (21:45 -0600)]
Documentation: ABI: rename sysfs-devices-cache_disable properly
Rename sysfs-devices-cache_disable to sysfs-devices-system-cpu, in
order to keep a stricter correlation between a sysfs directory and
its documentation.
Reported-by: David Rientjes <rientjes@google.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Dmitry Torokhov [Tue, 13 Oct 2009 03:17:41 +0000 (20:17 -0700)]
Driver core: allow certain drivers prohibit bind/unbind via sysfs
Platform drivers registered via platform_driver_probe() can be bound
to devices only once, upon registration, because discard their probe()
routines to save memory. Unbinding the driver through sysfs 'unbind'
leaves the device stranded and confuses users so let's not create
bind and unbind attributes for such drivers.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Cc: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Stas Sergeev [Sat, 17 Oct 2009 20:31:38 +0000 (00:31 +0400)]
Driver core: fix driver_register() return value
In this patch:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=
16dc42e018c2868211b4928f20a957c0c216126c
the check was added for another driver to already claim the same device
on the same bus. But the returned error code was wrong: to modprobe, the
-EEXIST means that _this_ driver is already installed. It therefore
doesn't produce the needed error message when _another_ driver is trying
to register for the same device. Returning -EBUSY fixes the problem.
Signed-off-by: Stas Sergeev <stsp@aknet.ru>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Anton Vorontsov [Thu, 29 Oct 2009 16:50:43 +0000 (19:50 +0300)]
USB: fsl_udc_core: Fix kernel oops on module removal
fsl_udc_release() calls dma_free_coherent() with an inappropriate
device passed to it, and since the device has no dma_ops, the following
oops pops up:
Kernel BUG at
d103ce9c [verbose debug info unavailable]
Oops: Exception in kernel mode, sig: 5 [#1]
...
NIP [
d103ce9c] fsl_udc_release+0x50/0x80 [fsl_usb2_udc]
LR [
d103ce74] fsl_udc_release+0x28/0x80 [fsl_usb2_udc]
Call Trace:
[
cfbc7dc0] [
d103ce74] fsl_udc_release+0x28/0x80 [fsl_usb2_udc]
[
cfbc7dd0] [
c01a35c4] device_release+0x2c/0x90
[
cfbc7de0] [
c016b480] kobject_cleanup+0x58/0x98
[
cfbc7e00] [
c016c52c] kref_put+0x54/0x6c
[
cfbc7e10] [
c016b360] kobject_put+0x34/0x64
[
cfbc7e20] [
c01a1d0c] put_device+0x1c/0x2c
[
cfbc7e30] [
d103dbfc] fsl_udc_remove+0xc0/0x1e4 [fsl_usb2_udc]
...
This patch fixes the issue by passing dev->parent, which points to
a correct device.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: Li Yang <leoli@freescale.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Guennadi Liakhovetski <lg@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Bryan Wu [Thu, 22 Oct 2009 07:00:36 +0000 (15:00 +0800)]
USB: option: TLAYTECH TUE800 support
Add ID for Tlaytech TUE800 CDMA modem to the option driver.
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
Acked-By: Matthias Urlichs <matthias@urlichs.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Yoshihiro Shimoda [Wed, 21 Oct 2009 11:33:39 +0000 (20:33 +0900)]
USB: r8a66597-hcd: fix cannot detect a device when uses_new_polling is set
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Elina Pasheva [Tue, 27 Oct 2009 20:49:59 +0000 (13:49 -0700)]
USB: serial: sierra driver autopm fixes
This patch presents fixes for the autosuspend feature implementation in
sierra usb serial driver in functions sierra_open(), sierra_close() and
stop_read_write_urbs().
The patch "sierra_close() must resume the device before it notifies it
of a closure" submitted by Oliver Neukum on Wed, October 14 has been
merged as fix in sierra_close() function.
The bug fix in sierra_open() function restores the autopm interface
state on error condition.
The bug fix in in stop_read_write_urbs() function assures that both
receive and interrupt urbs are recycled.
Signed-off-by: Elina Pasheva <epasheva@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Elina Pasheva [Fri, 16 Oct 2009 19:04:54 +0000 (12:04 -0700)]
USB: serial: sierra driver send_setup() autopm fix
This patch presents a fix for the autosuspend feature implementation in
sierra usb serial driver for function sierra_send_setup(). Because it
is possible to call sierra_send_setup() before sierra_open() or after
sierra_close() we added a get/put interface activity to assure that the
usb control can happen even when the device is autosuspended.
Signed-off-by: Elina Pasheva <epasheva@sierrawireless.com>
Tested-by: Matthew Safar <msafar@sierrawireless.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
George Nassar [Wed, 14 Oct 2009 23:27:41 +0000 (18:27 -0500)]
USB: rndis_host: debug info clobbered before it is logged
The MTU throttle-down if a RNDIS device doesn't support a particular
packet size is being incorrectly logged. The attempted packet size is
being clobbered before it gets logged.
First patch; please inform if I'm doing this incorrectly. Diff'd
against latest official source as per the FAQ; forward port to current
git version is straightforward.
Signed-off-by: George Nassar <george.nassar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Randy Dunlap [Thu, 29 Oct 2009 16:52:02 +0000 (09:52 -0700)]
Staging: fix wireless drivers depends
These drivers can (erroneously) be enabled even when
CONFIG_NET=n, CONFIG_NETDEVICES=n, CONFIG_WLAN=n, etc.
Stop this.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Greg Kroah-Hartman [Tue, 27 Oct 2009 22:46:18 +0000 (15:46 -0700)]
Staging: wireless drivers Kconfig change
Change the wireless drivers to depend on CONFIG_WLAN instead of
CONFIG_WLAN_80211 which is going away soon.
Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Greg Kroah-Hartman [Mon, 26 Oct 2009 23:03:51 +0000 (16:03 -0700)]
Staging: android: mark subsystem as broken
It's causing lots of build errors, so just mark it as broken. It is
scheduled to be removed in 2.6.33 anyway.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Greg Kroah-Hartman [Mon, 26 Oct 2009 23:35:32 +0000 (16:35 -0700)]
Staging: remove stlc45xx driver
It's no longer needed as the p54spi driver is the same thing,
under a different name and in the correct portion of the kernel tree.
Cc: Javier Martinez Canillas <martinez.javier@gmail.com>
Cc: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Herton Ronaldo Krzesinski [Fri, 2 Oct 2009 14:03:38 +0000 (11:03 -0300)]
Staging: rtl8187se/rtl8192e/rtl8192su: allow module unload
On rtl81* additions, they had its wireless stack made builtin instead of
separated modules. But try_module_get/module_put in stack were kept,
they are uneeded with the stack builtin and makes rtl81* modules
impossible to remove on a system with an rtl81* card. request_module
calls are also uneeded with stack builtin, so remove them too.
Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
miaofng [Tue, 29 Sep 2009 07:02:53 +0000 (15:02 +0800)]
Staging: vt6656: fix the memory free bug in vntwusb_disconnect()
This patch is used to solve the memory bug when people plug out the wusb card then plug in.
Error logs are following:
root@smdk2440:~# ifdown eth1
AP deauthed me, reason=2.
Config_FileOperation file Not exist
Zone=[1][J][P]!!
WPA: Terminating
root@smdk2440:~# ----> !!!!!!!!!!!!!!here plug out the wusbcard
usb 1-1: USB disconnect, address 4
----> !!!!!!!!!!!!!!!!!!!here plug in the wusb card
usb 1-1: new full speed USB device using s3c2410-ohci and address 5
usb 1-1: New USB device found, idVendor=160a, idProduct=3184
usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-1: Product: VNT USB-802.11 Wireless LAN Adapter
usb 1-1: Manufacturer: VIA Networking Technologies, Inc.
usb 1-1: configuration #1 chosen from 1 choice
VIA Networking Wireless LAN USB Driver Ver. 1.19_12
Copyright (c) 2004 VIA Networking Technologies, Inc.
kernel BUG at mm/slab.c:2974!
Unable to handle kernel NULL pointer dereference at virtual address
00000000
pgd =
c0004000
[
00000000] *pgd=
00000000
Internal error: Oops: 817 [#1] PREEMPT
Modules linked in: vt6656_stage
CPU: 0 Not tainted (2.6.32-rc2 #14)
PC is at __bug+0x1c/0x28
LR is at __bug+0x18/0x28
pc : [<
c002fb10>] lr : [<
c002fb0c>] psr:
40000093
sp :
c3867c68 ip :
c3867bd0 fp :
c3866000
r10:
c3800600 r9 :
c3802430 r8 :
00000004
r7 :
c3802428 r6 :
c3802660 r5 :
c3802420 r4 :
a0000013
r3 :
00000000 r2 :
c3866000 r1 :
00000003 r0 :
00000024
Flags: nZcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel
Control:
0000717f Table:
330a8000 DAC:
00000017
Process khubd (pid: 152, stack limit = 0xc3866270)
Stack: (0xc3867c68 to 0xc3868000)
7c60:
c0093fdc c0094088 000000d0 000000d0 00000000 000080d0
7c80:
00000000 a0000013 c39ebec0 c3800600 000080d0 00000001 c03f13cc 00000006
7ca0:
c02b36f0 c0094574 c0043428 0001c9de c39ebec0 c39ebea0 c3000c00 c02a6a84
7cc0:
89705f41 c3000c00 c39ebec0 c39ebea0 c3000c00 bf036f24 c39ebec8 00000006
7ce0:
00000000 c3000c00 c39ebec0 c39ebea0 c3000c00 bf036f24 c39ebec8 00000006
7d00:
00000000 bf003398 c00aa514 c3867d20 0000a1ff c00e1448 c39d9f84 c39aabe8
7d20:
c3867d50 c00e1888 c39aabe8 c39ebea0 c39ebec0 bf036ebc c3000c00 bf036f24
7d40:
0000bec8 01000000 00000000 c39ebea0 c39ebec0 bf036ebc c3000c00 bf036f24
7d60:
c39ebec8 00000000 00000000 c0223798 c39ebec0 c01daa14 bf036eec c3867da0
7d80:
c045a4f8 c01da6e4 c39ebec0 00000000 c01daa14 c39ebec0 c3867da0 c01d9870
7da0:
c38331a8 c39fcb94 c005b3b4 c39ebec0 c39ebec0 c39ebef4 00000000 c01da890
7dc0:
c39ebec0 c39ebec0 c3000c00 c01d97f4 00000000 c01d8470 c39ebea0 c3000c68
7de0:
00000000 c3000c68 c3218a00 c3abcd20 00000001 c39ebec0 c39ebea0 c3000c00
7e00:
00000000 c3000c68 c3218a00 c3abcd20 00000001 c0221ee8 00000001 00000000
7e20:
00000000 00000000 00001388 00000000 c3000c04 c3000c68 c3bc29c0 00000001
7e40:
c3bc29c4 00000001 c03f4af8 00000000 c39fe780 c3000c00 00000001 c045ab04
7e60:
c3867eb8 c045a3bc c3000c70 00000000 00000000 c0229238 c3000c68 c0223210
7e80:
c3000c00 c045aaf0 c045ab04 c0223230 c3000c68 c01daa14 c045ab04 c01da6e4
7ea0:
c3000c68 00000000 c01daa14 c3000c68 c3867eb8 c01d9870 c38331a8 c3862f54
7ec0:
c005b3b4 c3000c68 c3000c68 c3000c9c 00000002 c01da890 c3867ef9 c3000c68
7ee0:
c3829f60 c01d97f4 00000000 c01d8470 c38918e0 c3aaf468 39383102 c300343a
7f00:
00000001 c0219660 c03f1768 c3000c00 00000000 c3000c68 00000002 c3aaf814
7f20:
00000001 00000101 c38918e0 c021b6e0 00000002 00000000 00000000 c3000c00
7f40:
c38917c0 c021c418 00000064 00000064 00000101 c3867f60 c005b920 c3867f94
7f60:
c3891830 c3aaf400 c3866000 c3aaf400 c3aaf800 00000000 c38918e0 c3aaf400
7f80:
00000012 00000000 00000000 c3837920 c00574a0 c3867f94 c3867f94 00000101
7fa0:
01010001 c3867fd4 c381bf48 c3867fd4 c381bf48 00000000 c021ba3c 00000000
7fc0:
00000000 00000000 00000000 c00573dc 00000000 00000000 c3867fd8 c3867fd8
7fe0:
00000000 00000000 00000000 00000000 00000000 c002ce88 00000000 ffff0000
[<
c002fb10>] (__bug+0x1c/0x28) from [<
c0094088>] (cache_alloc_refill+0x13c/0x594)
[<
c0094088>] (cache_alloc_refill+0x13c/0x594) from [<
c0094574>] (__kmalloc+0x94/0xd0)
[<
c0094574>] (__kmalloc+0x94/0xd0) from [<
c02a6a84>] (alloc_netdev_mq+0x48/0x1b0)
[<
c02a6a84>] (alloc_netdev_mq+0x48/0x1b0) from [<
bf003398>] (vntwusb_found1+0x58/0x53c [vt6656_stage])
[<
bf003398>] (vntwusb_found1+0x58/0x53c [vt6656_stage]) from [<
c0223798>] (usb_probe_interface+0x130/0x180)
[<
c0223798>] (usb_probe_interface+0x130/0x180) from [<
c01da6e4>] (driver_probe_device+0xac/0x164)
[<
c01da6e4>] (driver_probe_device+0xac/0x164) from [<
c01d9870>] (bus_for_each_drv+0x50/0x90)
[<
c01d9870>] (bus_for_each_drv+0x50/0x90) from [<
c01da890>] (device_attach+0x50/0x68)
[<
c01da890>] (device_attach+0x50/0x68) from [<
c01d97f4>] (bus_probe_device+0x28/0x54)
[<
c01d97f4>] (bus_probe_device+0x28/0x54) from [<
c01d8470>] (device_add+0x3b4/0x4f0)
[<
c01d8470>] (device_add+0x3b4/0x4f0) from [<
c0221ee8>] (usb_set_configuration+0x524/0x5b8)
[<
c0221ee8>] (usb_set_configuration+0x524/0x5b8) from [<
c0229238>] (generic_probe+0x5c/0xa0)
[<
c0229238>] (generic_probe+0x5c/0xa0) from [<
c0223230>] (usb_probe_device+0x48/0x54)
[<
c0223230>] (usb_probe_device+0x48/0x54) from [<
c01da6e4>] (driver_probe_device+0xac/0x164)
[<
c01da6e4>] (driver_probe_device+0xac/0x164) from [<
c01d9870>] (bus_for_each_drv+0x50/0x90)
[<
c01d9870>] (bus_for_each_drv+0x50/0x90) from [<
c01da890>] (device_attach+0x50/0x68)
[<
c01da890>] (device_attach+0x50/0x68) from [<
c01d97f4>] (bus_probe_device+0x28/0x54)
[<
c01d97f4>] (bus_probe_device+0x28/0x54) from [<
c01d8470>] (device_add+0x3b4/0x4f0)
[<
c01d8470>] (device_add+0x3b4/0x4f0) from [<
c021b6e0>] (usb_new_device+0x100/0x174)
[<
c021b6e0>] (usb_new_device+0x100/0x174) from [<
c021c418>] (hub_thread+0x9dc/0xeec)
[<
c021c418>] (hub_thread+0x9dc/0xeec) from [<
c00573dc>] (kthread+0x78/0x80)
[<
c00573dc>] (kthread+0x78/0x80) from [<
c002ce88>] (kernel_thread_exit+0x0/0x8)
Code:
e1a01000 e59f000c eb005014 e3a03000 (
e5833000)
---[ end trace
2a51e0dbab9e4fbe ]---
note: khubd[152] exited with preempt_count 1
Signed-off-by: miaofng <miaofng@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Peter Huewe [Mon, 28 Sep 2009 23:22:40 +0000 (01:22 +0200)]
Staging: Panel: prevent driver from calling misc_deregister twice on same ressource
This patch prevents the driver from calling misc_deregister twice on the same
ressouce when unloading the driver.
Unloading the driver without this patch results in a Kernel BUG like this:
Panel driver version 0.9.5 registered on parport0 (io=0x378).
BUG: unable to handle kernel paging request at
0000000000100108
IP: [<
ffffffff803c02ee>] misc_deregister+0x2d/0x90
PGD
6caff067 PUD
762b7067 PMD 0
Oops: 0002 [#1] PREEMPT SMP
last sysfs file: /sys/devices/platform/w83627hf.656/in8_input
...
This patch fixes this issue, although maybe not in the best way possible :)
linux version v2.6.32-rc1 - linus git tree, Di 29. Sep 01:10:18 CEST 2009
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Milan Dadok [Wed, 28 Oct 2009 22:23:50 +0000 (23:23 +0100)]
Staging: hv: fix oops in vmbus - missing #include
Add missing #includes to make hv module compile successfull.
Signed-off-by: Milan Dadok <milan@dadok.name>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Milan Dadok [Wed, 28 Oct 2009 22:23:37 +0000 (23:23 +0100)]
Staging: hv: fix oops in vmbus - netvsc list_head
Remove incorrect list_head usage. Variable of type list_head was used in
some function's arguments as list item.
Signed-off-by: Milan Dadok <milan@dadok.name>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Milan Dadok [Wed, 28 Oct 2009 22:23:27 +0000 (23:23 +0100)]
Staging: hv: fix oops in vmbus - udev events
Fix typos in udev event send and guid variables copy
Signed-off-by: Milan Dadok <milan@dadok.name>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Hank Janssen [Fri, 16 Oct 2009 20:11:36 +0000 (20:11 +0000)]
Staging: hv: Fix vmbus load hang caused by faulty data packing
Fix vmbus load hang caused by wrong data packing.
Signed-off-by: Hank Janssen<hjanssen@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Haiyang Zhang [Fri, 23 Oct 2009 18:14:24 +0000 (18:14 +0000)]
Staging: hv: Fix null pointer error after vmbus loading
Fix null pointer error after vmbus loading. Remove code that checks for
dev_name, the affected structure is kzalloc-ed prior to this routine, so
it is always null at this stage.
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Stephen Hemminger [Fri, 9 Oct 2009 22:47:50 +0000 (15:47 -0700)]
Staging: hv TODO patches
Update for more items
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Alan Cox [Thu, 29 Oct 2009 12:16:22 +0000 (12:16 +0000)]
tty: Mark generic_serial users as BROKEN
There isn't much else I can do with these. I can find no hardware for any
of them and no users. The code is broken.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Ryota Yamauchi [Fri, 30 Oct 2009 08:27:44 +0000 (09:27 +0100)]
xfs: fix xfs_quota remove error
The xfs_quota returns ENOSYS when remove command is executed.
Reproducable with following steps.
# mount -t xfs -o uquota /dev/sda7 /mnt/mp1
# xfs_quota -x -c off -c remove
XFS_QUOTARM: Function not implemented.
The remove command is allowed during quotaoff, but xfs_fs_set_xstate()
checks whether quota is running, and it leads to ENOSYS.
To solve this problem, add a check for X_QUOTARM.
Signed-off-by: Ryota Yamauchi <r-yamauchi@vf.jp.nec.com>
Signed-off-by: Utako Kusaka <u-kusaka@wm.jp.nec.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Eric Sandeen [Fri, 30 Oct 2009 08:27:07 +0000 (09:27 +0100)]
xfs: free temporary cursor in xfs_dialloc
Commit
bd169565993b39b9b4b102cdac8b13e0a259ce2f seems
to have a slight regression where this code path:
if (!--searchdistance) {
/*
* Not in range - save last search
* location and allocate a new inode
*/
...
goto newino;
}
doesn't free the temporary cursor (tcur) that got dup'd in
this function.
This leaks an item in the xfs_btree_cur zone, and it's caught
on module unload:
===========================================================
BUG xfs_btree_cur: Objects remaining on kmem_cache_close()
-----------------------------------------------------------
It seems like maybe a single free at the end of the function might
be cleaner, but for now put a del_cursor right in this code block
similar to the handling in the rest of the function.
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Linus Torvalds [Thu, 29 Oct 2009 22:03:36 +0000 (15:03 -0700)]
Merge branch 'bugfix' of git://git./linux/kernel/git/jeremy/xen
* 'bugfix' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen:
xen: set up mmu_ops before trying to set any ptes
Linus Torvalds [Thu, 29 Oct 2009 16:22:34 +0000 (09:22 -0700)]
Merge git://git./linux/kernel/git/davem/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6:
ide: Serialize CMD643 and CMD646 to fix a hardware bug with SSD
Linus Torvalds [Thu, 29 Oct 2009 16:22:08 +0000 (09:22 -0700)]
Merge git://git./linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (43 commits)
net: Fix 'Re: PACKET_TX_RING: packet size is too long'
netdev: usb: dm9601.c can drive a device not supported yet, add support for it
qlge: Fix firmware mailbox command timeout.
qlge: Fix EEH handling.
AF_RAW: Augment raw_send_hdrinc to expand skb to fit iphdr->ihl (v2)
bonding: fix a race condition in calls to slave MII ioctls
virtio-net: fix data corruption with OOM
sfc: Set ip_summed correctly for page buffers passed to GRO
cnic: Fix L2CTX_STATUSB_NUM offset in context memory.
MAINTAINERS: rt2x00 list is moderated
airo: Reorder tests, check bounds before element
mac80211: fix for incorrect sequence number on hostapd injected frames
libertas spi: fix sparse errors
mac80211: trivial: fix spelling in mesh_hwmp
cfg80211: sme: deauthenticate on assoc failure
mac80211: keep auth state when assoc fails
mac80211: fix ibss joining
b43: add 'struct b43_wl' missing declaration
b43: Fix Bugzilla #14181 and the bug from the previous 'fix'
rt2x00: Fix crypto in TX frame for rt2800usb
...
Linus Torvalds [Thu, 29 Oct 2009 16:19:29 +0000 (09:19 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/tj/percpu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
sched: move rq_weight data array out of .percpu
percpu: allow pcpu_alloc() to be called with IRQs off
Linus Torvalds [Thu, 29 Oct 2009 16:18:20 +0000 (09:18 -0700)]
Merge git://git./linux/kernel/git/rusty/linux-2.6-param-fixes
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-param-fixes:
param: fix setting arrays of bool
param: fix NULL comparison on oom
param: fix lots of bugs with writing charp params from sysfs, by leaking mem.
Linus Torvalds [Thu, 29 Oct 2009 16:17:59 +0000 (09:17 -0700)]
Merge git://git./linux/kernel/git/rusty/linux-2.6-for-linus
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
virtio: order used ring after used index read
virtio-pci: fix per-vq MSI-X request logic
Linus Torvalds [Thu, 29 Oct 2009 16:17:19 +0000 (09:17 -0700)]
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
backing-dev: ensure that a removed bdi no longer has super_block referencing it
block: use after free bug in __blkdev_get
block: silently error unsupported empty barriers too
Linus Torvalds [Thu, 29 Oct 2009 16:17:02 +0000 (09:17 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
Revert "PCI: get larger bridge ranges when space is available"
Linus Torvalds [Thu, 29 Oct 2009 16:16:23 +0000 (09:16 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
mlx4_core: Add a new supported 40 GigE device ID
Linus Torvalds [Thu, 29 Oct 2009 16:16:01 +0000 (09:16 -0700)]
Merge git://git./linux/kernel/git/jejb/scsi-rc-fixes-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] zfcp: Flush SCSI registration work when adding unit
[SCSI] zfcp: Fix timer initialization for ct and els requests
[SCSI] zfcp: Warn about storage devices with broken PLOGI data
[SCSI] zfcp: Handle WWPN mismatch in PLOGI payload
[SCSI] zfcp: fix kfree handling in zfcp_init_device_setup
[SCSI] fix memory leak in initialization
Linus Torvalds [Thu, 29 Oct 2009 16:15:02 +0000 (09:15 -0700)]
Merge branch 'drm-fixes' of git://git./linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/kms: fix kms/fbdev colormap support properly.
drm: Add the basic check for the detailed timing in EDID
drm/radeon/kms: ignore vga arbiter return.
Linus Torvalds [Thu, 29 Oct 2009 16:07:15 +0000 (09:07 -0700)]
Merge branch 'sh/for-2.6.32' of git://git./linux/kernel/git/lethal/sh-2.6
* 'sh/for-2.6.32' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
sh: Fix hugetlbfs dependencies for SH-3 && MMU configurations.
sh: Document uImage.bin target in archhelp.
sh: add uImage.bin target
sh: rsk7203 CONFIG_MTD=n fix
sh: Check for return_to_handler when unwinding the stack
sh: Build fix: define more __movmem* symbols
sh: __irq_entry annotate do_IRQ().
Fix up sh/powerpc conflicts in fs/Kconfig
Linus Torvalds [Thu, 29 Oct 2009 16:02:24 +0000 (09:02 -0700)]
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:
NFSv4: The link() operation should return any delegation on the file
NFSv4: Fix two unbalanced put_rpccred() issues.
NFSv4: Fix a bug when the server returns NFS4ERR_RESOURCE
nfs: Panic when commit fails
Linus Torvalds [Thu, 29 Oct 2009 16:02:01 +0000 (09:02 -0700)]
Merge git://git./linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
[CIFS] Fixing to avoid invalid kfree() in cifs_get_tcp_session()
Alan Cox [Tue, 27 Oct 2009 15:35:55 +0000 (15:35 +0000)]
ray_cs: Fix copy_from_user handling
I've not touched the other stuff here but the word "locking" comes to mind.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Alan Cox [Tue, 27 Oct 2009 15:35:35 +0000 (15:35 +0000)]
dpt_i2o: Fix up copy*user
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Thu, 29 Oct 2009 15:59:06 +0000 (08:59 -0700)]
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/ppc64: Use preempt_schedule_irq instead of preempt_schedule
powerpc: Minor cleanup to lib/Kconfig.debug
powerpc: Minor cleanup to sound/ppc/Kconfig
powerpc: Minor cleanup to init/Kconfig
powerpc: Limit memory hotplug support to PPC64 Book-3S machines
powerpc: Limit hugetlbfs support to PPC64 Book-3S machines
powerpc: Fix compile errors found by new ppc64e_defconfig
powerpc: Add a Book-3E 64-bit defconfig
powerpc/booke: Fix xmon single step on PowerPC Book-E
powerpc: Align vDSO base address
powerpc: Fix segment mapping in vdso32
powerpc/iseries: Remove compiler version dependent hack
powerpc/perf_events: Fix priority of MSR HV vs PR bits
powerpc/5200: Update defconfigs
drivers/serial/mpc52xx_uart.c: Use UPIO_MEM rather than SERIAL_IO_MEM
powerpc/boot/dts: drop obsolete 'fsl5200-clocking'
of: Remove nested function
mpc5200: support for the MAN mpc5200 based board mucmc52
mpc5200: support for the MAN mpc5200 based board uc101
Linus Torvalds [Thu, 29 Oct 2009 15:44:04 +0000 (08:44 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/sameo/mfd-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
mfd: Do not dereference null pointer in twl4030 error path
mfd: Always initialise WM831x IRQ mutex
Linus Torvalds [Thu, 29 Oct 2009 15:20:00 +0000 (08:20 -0700)]
Merge branch 'hwpoison-2.6.32' of git://git./linux/kernel/git/ak/linux-mce-2.6
* 'hwpoison-2.6.32' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6:
HWPOISON: fix invalid page count in printk output
HWPOISON: Allow schedule_on_each_cpu() from keventd
HWPOISON: fix/proc/meminfo alignment
HWPOISON: fix oops on ksm pages
HWPOISON: Fix page count leak in hwpoison late kill in do_swap_page
HWPOISON: return early on non-LRU pages
HWPOISON: Add brief hwpoison description to Documentation
HWPOISON: Clean up PR_MCE_KILL interface
Linus Torvalds [Thu, 29 Oct 2009 15:18:25 +0000 (08:18 -0700)]
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs:
xfs: fix double IRELE in xfs_dqrele_inode
Linus Torvalds [Thu, 29 Oct 2009 15:16:42 +0000 (08:16 -0700)]
Merge branch 'omap-fixes-for-linus' of git://git./linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6:
omap4: Fix UART4 platform data on omap4
omap4: Allow omap_serial_early_init() for OMAP4430 board
omap3: PM: enable UART3 module wakeups
omap2: Fix console serial port number for n8x0
omap2: Fix detection of n8x0
omap1: Fix DSP public peripherals support for ams-delta
omap1: Fix redundant UARTs pin muxing that can break other hardware support
omap: iommu: fix wrong condition check for SUPERSECTION
omap: SDMA: Fix omap_stop_dma() API for channel linking
omap: Fix omap-keypad by restoring old keypad.h without breaking omap2 boards that use matrix_keypad
Linus Torvalds [Thu, 29 Oct 2009 15:15:34 +0000 (08:15 -0700)]
Merge branch 'for-linus' of git://git.infradead.org/ubi-2.6
* 'for-linus' of git://git.infradead.org/ubi-2.6:
UBI: fix check on unsigned long
UBI: fix backward compatibility
Linus Torvalds [Thu, 29 Oct 2009 15:14:58 +0000 (08:14 -0700)]
Merge branch 'hwmon-for-linus' of git://git./linux/kernel/git/jdelvare/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (it87) Fix VID reading on IT8718F/IT8720F
hwmon: (dme1737) No vid attributes for SCH311x
hwmon: (fschmd) Fix check on unsigned in watchdog_write()
hwmon: (coretemp) Maintainer update
Linus Torvalds [Thu, 29 Oct 2009 15:14:14 +0000 (08:14 -0700)]
Merge branch 'urgent-v2' of git://git./linux/kernel/git/brodo/pcmcia-2.6
* 'urgent-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6:
pcmcia: do not load the pd6729 driver if io_base is NULL
pcmcia: Fix possible printk format warnings
pcmcia: do not try to store more than 4 version strings
pcmcia: pccard_read_tuple and TUPLE_RETURN_COMMON cleanup
pcmcia: properly close previous dev_printk if kzalloc fails in do_io_probe
pcmcia: fix controller printk format warnings
Linus Torvalds [Thu, 29 Oct 2009 15:13:03 +0000 (08:13 -0700)]
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: (22 commits)
ARM: Fix lubbock defconfig build
ARM: 5769/1: CPU_ARM920T: remove dead Maverick EP9312 URL
ARM: 5768/1: ep93xx: remove dead code in ep93xx_gpio_ab_irq_handler()
ARM: 5767/1: ep93xx: remove ep93xx_init_time() prototype
ARM: 5765/1: Updated U300 defconfig
ARM: 5766/1: Fix watchdog enabling for AT91SAM9G45
ARM: 5764/1: bcmring: add oprofile pmu support
[ARM] pxa/spitz: add gpio button support (fixes regression)
[ARM] pxa/cm-x300: fix mmc numbering
ARM: 5763/1: ARM: SMP: Fix the BUG with CONFIG_PREEMPT enabled
ARM: 5760/1: ep93xx: fix build error in edb93xx.c
ARM: 5759/1: Add register information of threads to coredump
ARM: 5757/1: Thumb-2: Correct "mov.w pc, lr" instruction which is unpredictable
MXC: fix reset for mx31, mx35 and mx27 SoCs
fix pcm037_eet compilation with the new SPI driver
fix compilation of i.MX31 platforms
pcm970 mmc: Fix ro switch
pcm038: Add SPI/MC13783 support
mx25: Add missing copyright / license header
mx25pdk: remove nand support as it is not present in current tree
...