Commit Graph

288307 Commits

Author SHA1 Message Date
Takashi Iwai
7bff172a35 ALSA: hda - Always set HP pin in unsol handler for STAC/IDT codecs
A bug report with an old Sony laptop showed that we can't rely on BIOS
setting the pins of headphones but the driver should set always by
itself.

Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-02-29 09:41:39 +01:00
Randy Dunlap
164974a8f2 ecryptfs: fix printk format warning for size_t
Fix printk format warning (from Linus's suggestion):

on i386:
  fs/ecryptfs/miscdev.c:433:38: warning: format '%lu' expects type 'long unsigned int', but argument 4 has type 'unsigned int'

and on x86_64:
  fs/ecryptfs/miscdev.c:433:38: warning: format '%u' expects type 'unsigned int', but argument 4 has type 'long unsigned int'

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc:	Geert Uytterhoeven <geert@linux-m68k.org>
Cc:	Tyler Hicks <tyhicks@canonical.com>
Cc:	Dustin Kirkland <dustin.kirkland@gazzang.com>
Cc:	ecryptfs@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-28 16:55:30 -08:00
Nikolaus Schulz
edeea10285 hwmon: (f75375s) Make pwm*_mode writable for the F75387
Signed-off-by: Nikolaus Schulz <mail@microschulz.de>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-02-28 14:44:02 -08:00
Nikolaus Schulz
331255d35d hwmon: (f75375s) Fix writes to the pwm* attribute for the F75387
For the F75387, the register holding the current PWM duty cycle value is
r/o; changing it requires writing to the fan expect register instead.

Signed-off-by: Nikolaus Schulz <mail@microschulz.de>
[guenter.roeck@ericsson.com: Simplified function parameters]
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-02-28 14:39:47 -08:00
Neal Cardwell
4c90d3b303 tcp: fix false reordering signal in tcp_shifted_skb
When tcp_shifted_skb() shifts bytes from the skb that is currently
pointed to by 'highest_sack' then the increment of
TCP_SKB_CB(skb)->seq implicitly advances tcp_highest_sack_seq(). This
implicit advancement, combined with the recent fix to pass the correct
SACKed range into tcp_sacktag_one(), caused tcp_sacktag_one() to think
that the newly SACKed range was before the tcp_highest_sack_seq(),
leading to a call to tcp_update_reordering() with a degree of
reordering matching the size of the newly SACKed range (typically just
1 packet, which is a NOP, but potentially larger).

This commit fixes this by simply calling tcp_sacktag_one() before the
TCP_SKB_CB(skb)->seq advancement that can advance our notion of the
highest SACKed sequence.

Correspondingly, we can simplify the code a little now that
tcp_shifted_skb() should update the lost_cnt_hint in all cases where
skb == tp->lost_skb_hint.

Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-02-28 15:06:46 -05:00
Neal Cardwell
ecb9719236 tcp: fix comment for tp->highest_sack
There was an off-by-one error in the comments describing the
highest_sack field in struct tcp_sock. The comments previously claimed
that it was the "start sequence of the highest skb with SACKed
bit". This commit fixes the comments to note that it is the "start
sequence of the skb just *after* the highest skb with SACKed bit".

Signed-off-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-02-28 15:06:33 -05:00
Jonathan Nieder
8411371709 x86/PCI: use host bridge _CRS info on MSI MS-7253
In the spirit of commit 29cf7a30f8 ("x86/PCI: use host bridge _CRS
info on ASUS M2V-MX SE"), this DMI quirk turns on "pci_use_crs" by
default on a board that needs it.

This fixes boot failures and oopses introduced in 3e3da00c01
("x86/pci: AMD one chain system to use pci read out res").  The quirk
is quite targetted (to a specific board and BIOS version) for two
reasons:

 (1) to emphasize that this method of tackling the problem one quirk
     at a time is a little insane

 (2) to give BIOS vendors an opportunity to use simpler tables and
     allow us to return to generic behavior (whatever that happens to
     be) with a later BIOS update

In other words, I am not at all happy with having quirks like this.
But it is even worse for the kernel not to work out of the box on
these machines, so...

Reference: https://bugzilla.kernel.org/show_bug.cgi?id=42619
Reported-by: Svante Signell <svante.signell@telia.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2012-02-28 11:09:09 -08:00
Linus Torvalds
891003abb0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes:
  GFS2: Read resource groups on mount
  GFS2: Ensure rindex is uptodate for fallocate
  GFS2: Read in rindex if necessary during unlink
  GFS2: Fix race between lru_list and glock ref count
2012-02-28 09:17:31 -08:00
Linus Torvalds
d5a74afd08 IOMMU fixes for Linux 3.3-rc5
All the fixes are for the OMAP IOMMU driver. The first patch is the
 biggest one. It fixes the calls of the function omap_find_iovm_area() in
 the omap-iommu-debug module which expects a 'struct device' parameter
 since commit fabdbca instead of an omap_iommu handle. The
 omap-iommu-debug code still passed the handle to the function which
 caused a crash.
 The second patch fixes a NULL pointer dereference in the OMAP code and
 the third patch makes sure that the omap-iommu is initialized before the
 omap-isp driver, which relies on the iommu. The last patch is only a
 workaround until defered probing is implemented.
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Merge tag 'iommu-fixes-v3.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

IOMMU fixes for Linux 3.3-rc5

All the fixes are for the OMAP IOMMU driver. The first patch is the
biggest one. It fixes the calls of the function omap_find_iovm_area() in
the omap-iommu-debug module which expects a 'struct device' parameter
since commit fabdbca instead of an omap_iommu handle. The
omap-iommu-debug code still passed the handle to the function which
caused a crash.

The second patch fixes a NULL pointer dereference in the OMAP code and
the third patch makes sure that the omap-iommu is initialized before the
omap-isp driver, which relies on the iommu. The last patch is only a
workaround until defered probing is implemented.

* tag 'iommu-fixes-v3.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  ARM: OMAP: make iommu subsys_initcall to fix builtin omap3isp
  iommu/omap: fix NULL pointer dereference
  iommu/omap: fix erroneous omap-iommu-debug API calls
2012-02-28 09:15:31 -08:00
Wim Van Sebroeck
f599aaf00f watchdog: update maintainers git entry
The git repository for watchdog device drivers moved.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-02-28 17:11:05 +01:00
Masanari Iida
7ec0f040cf watchdog: Fix typo in pnx4008_wdt.c
Correct spelling "resouce" to "resource" in
drivers/watchdog/pnx4008_wdt.c

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-02-28 17:08:52 +01:00
Masanari Iida
e1d1d68aae watchdog: Fix typo in Kconfig
Correct spelling "overidden" to "overridden" in
drivers/watchdog/Kconfig

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-02-28 17:08:48 +01:00
MyungJoo Ham
78d3e00bb0 watchdog: fix error in probe() of s3c2410_wdt (reset at booting)
Probe function of s3c2410 watchdog calls request_irq before initializing
required value (wdt_count). This incurs resetting watchdog counter value
and watchdog-reboot during booting up.

This patch addresses such an issue by calling request_irq later.

Error handling in probe function and calling oder in remove function are
also revised accordingly.

Reported-by: Chanwoo Park <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-02-28 17:08:42 +01:00
Maxim Uvarov
97d2a10d58 watchdog: hpwdt: clean up set_memory_x call for 32 bit
1. address has to be page aligned.
2. set_memory_x uses page size argument, not size.
Bug causes with following commit:
	commit da28179b4e90dda56912ee825c7eaa62fc103797
	Author: Mingarelli, Thomas <Thomas.Mingarelli@hp.com>
	Date:   Mon Nov 7 10:59:00 2011 +0100

     watchdog: hpwdt: Changes to handle NX secure bit in 32bit path

    commit e67d668e14 upstream.

    This patch makes use of the set_memory_x() kernel API in order
    to make necessary BIOS calls to source NMIs.

Signed-off-by: Maxim Uvarov <maxim.uvarov@oracle.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: stable <stable@vger.kernel.org>
2012-02-28 17:08:36 +01:00
James Bottomley
aabb70dc23 [PARISC] don't unconditionally override CROSS_COMPILE for 64 bit.
The user may wish to set their own value (for real cross compiles).  Since the
top level Makefile initialises CROSS_COMPILE to empty by default, we must
check it for being empty (rather than for being defined) before we override.

Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-28 09:39:28 -06:00
Steven Whitehouse
a365fbf354 GFS2: Read resource groups on mount
This makes mount take slightly longer, but at the same time, the first
write to the filesystem will be faster too. It also means that if there
is a problem in the resource index, then we can refuse to mount rather
than having to try and report that when the first write occurs.

In addition, to avoid recursive locking, we hvae to take account of
instances when the rindex glock may already be held when we are
trying to update the rbtree of resource groups.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2012-02-28 09:52:39 +00:00
Bob Peterson
9e73f571ea GFS2: Ensure rindex is uptodate for fallocate
This patch fixes a problem whereby gfs2_grow was failing and causing GFS2
to assert. The problem was that when GFS2's fallocate operation tried to
acquire an "allocation" it made sure the rindex was up to date, and if not,
it called gfs2_rindex_update. However, if the file being fallocated was
the rindex itself, it was already locked at that point. By calling
gfs2_rindex_update at an earlier point in time, we bring rindex up to date
and thereby avoid trying to lock it when the "allocation" is acquired.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2012-02-28 09:48:30 +00:00
Bob Peterson
718b97bd6b GFS2: Read in rindex if necessary during unlink
This patch fixes a problem whereby you were unable to delete
files until other file system operations were done (such as
statfs, touch, writes, etc.) that caused the rindex to be
read in.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2012-02-28 09:48:02 +00:00
Steven Whitehouse
4043b886b0 GFS2: Fix race between lru_list and glock ref count
This patch fixes a narrow race window between the glock ref count
hitting zero and glocks being removed from the lru_list.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2012-02-28 09:43:07 +00:00
Namhyung Kim
30ce2f7eef perf/hwbp: Fix a possible memory leak
If kzalloc() for TYPE_DATA failed on a given cpu, previous chunk
of TYPE_INST will be leaked. Fix it.

Thanks to Peter Zijlstra for suggesting this better solution. It
should work as long as the initial value of the region is all
0's and that's the case of static (per-cpu) memory allocation.

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Link: http://lkml.kernel.org/r/1330391978-28070-1-git-send-email-namhyung.kim@lge.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2012-02-28 09:52:54 +01:00
Phil Sutter
f8f54e190d crypto: mv_cesa - fix final callback not ignoring input data
Broken by commit 6ef84509f3 for users
passing a request with non-zero 'nbytes' field, like e.g. testmgr.

Cc: <stable@kernel.org> # 3.0+
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2012-02-28 16:29:23 +08:00
Dave Airlie
e2bc96aeff Merge branch 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/drm-intel into HEAD
* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/drm-intel:
  drm/i915: Remove use of the autoreported ringbuffer HEAD position
  drm/i915: Prevent a machine hang by checking crtc->active before loading lut
  drm/i915: fix operator precedence when enabling RC6p
  drm/i915: fix a sprite watermark computation to avoid divide by zero if xpos<0
  drm/i915: fix mode set on load pipe. (v2)
2012-02-28 08:20:14 +00:00
Linus Torvalds
586c6e7013 While demoing ktest at ELC in 2012, it was embarrassing that the
make_min_config test failed to work because the snowball board I was tesing
 it against had a config that would not build. But the make_min_config
 only tested the testing part and ignored build failures. The end result
 was a config file that would not boot.
 
 This time, for real.
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Merge tag 'ktest-fix-make-min-failed-build-for-real' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest

While demoing ktest at ELC in 2012, it was embarrassing that the
make_min_config test failed to work because the snowball board I was
testing it against had a config that would not build.  But the
make_min_config only tested the testing part and ignored build failures.
The end result was a config file that would not boot.

This time, for real.

* tag 'ktest-fix-make-min-failed-build-for-real' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
  ktest: Fix make_min_config test when build fails
2012-02-27 15:43:05 -08:00
Steven Rostedt
bf1c95abaf ktest: Fix make_min_config test when build fails
The make_min_config does not take into account when the build fails,
resulting in a invalid MIN_CONFIG .config file. When the build fails,
it is ignored and the boot test is executed, using the previous built
kernel. The configs that should be tested are not tested and they may
be added or removed depending on the result of the last kernel that
succeeded to be built.

If the build fails, mark the current config as a failure and the
configs that were disabled may still be needed.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-02-27 13:58:49 -05:00
John W. Linville
eea79e0713 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem 2012-02-27 13:14:47 -05:00
Arnd Bergmann
f2273ecd9a Merge branch 'lpc32xx/fixes' of git://git.antcom.de/linux-2.6 into fixes
* 'lpc32xx/fixes' of git://git.antcom.de/linux-2.6: (5 commits)
  ARM: LPC32xx: serial.c: Fixed loop limit
  ARM: LPC32xx: serial.c: HW bug workaround
  ARM: LPC32xx: irq.c: Clear latched event
  ARM: LPC32xx: Fix interrupt controller init
  ARM: LPC32xx: Fix irq on GPI_28

Update to Linux 3.3-rc5

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-02-27 17:44:23 +00:00
Chris Wilson
5d031e5b63 drm/i915: Remove use of the autoreported ringbuffer HEAD position
This is a revert of 6aa56062ea.

This was originally introduced to workaround reads of the ringbuffer
registers returning 0 on SandyBridge causing hangs due to ringbuffer
overflow. The root cause here was reads through the GT powerwell require
the forcewake dance, something we only learnt of later. Now it appears
that reading the reported head position from the HWS is returning
garbage, leading once again to hangs.

For example, on q35 the autoreported head reports:
  [  217.975608] head now 00010000, actual 00010000
  [  436.725613] head now 00200000, actual 00200000
  [  462.956033] head now 00210000, actual 00210010
  [  485.501409] head now 00400000, actual 00400020
  [  508.064280] head now 00410000, actual 00410000
  [  530.576078] head now 00600000, actual 00600020
  [  553.273489] head now 00610000, actual 00610018
which appears reasonably sane. In contrast, if we look at snb:
  [  141.970680] head now 00e10000, actual 00008238
  [  141.974062] head now 02734000, actual 000083c8
  [  141.974425] head now 00e10000, actual 00008488
  [  141.980374] head now 032b5000, actual 000088b8
  [  141.980885] head now 03271000, actual 00008950
  [  142.040628] head now 02101000, actual 00008b40
  [  142.180173] head now 02734000, actual 00009050
  [  142.181090] head now 00000000, actual 00000ae0
  [  142.183737] head now 02734000, actual 00009050

In addition, the automatic reporting of the head position is scheduled
to be defeatured in the future. It has no more utility, remove it.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=45492
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2012-02-27 08:49:56 -08:00
Alan Stern
37891abc84 HID: usbhid: Add NOGET quirk for the AIREN Slim+ keyboard
This patch (as1531) adds a NOGET quirk for the Slim+ keyboard marketed
by AIREN.  This keyboard seems to have a lot of bugs; NOGET works
around only one of them.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: okias <d.okias@gmail.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-02-27 17:35:43 +01:00
Roland Stigge
ff424aa4c8 ARM: LPC32xx: serial.c: Fixed loop limit
This patch fixes a wrong loop limit on UART init.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Cc: stable@vger.kernel.org
2012-02-27 17:28:03 +01:00
Roland Stigge
2707208ee8 ARM: LPC32xx: serial.c: HW bug workaround
This patch fixes a HW bug by flushing RX FIFOs of the UARTs on init. It was
ported from NXP's git.lpclinux.com tree.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Cc: stable@vger.kernel.org
2012-02-27 17:28:02 +01:00
Roland Stigge
94ed7830cb ARM: LPC32xx: irq.c: Clear latched event
This patch fixes the wakeup disable function by clearing latched events.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Cc: stable@vger.kernel.org
2012-02-27 17:28:02 +01:00
Roland Stigge
35dd0a75d4 ARM: LPC32xx: Fix interrupt controller init
This patch fixes the initialization of the interrupt controller of the LPC32xx
by correctly setting up SIC1 and SIC2 instead of (wrongly) using the same value
as for the Main Interrupt Controller (MIC).

Signed-off-by: Roland Stigge <stigge@antcom.de>
Cc: stable@vger.kernel.org
2012-02-27 17:28:02 +01:00
Roland Stigge
f6737055c1 ARM: LPC32xx: Fix irq on GPI_28
The GPI_28 IRQ was not registered properly. The registration of
IRQ_LPC32XX_GPI_28 was added and the (wrong) IRQ_LPC32XX_GPI_11 at
LPC32XX_SIC1_IRQ(4) was replaced by IRQ_LPC32XX_GPI_28 (see manual of
LPC32xx / interrupt controller).

Signed-off-by: Roland Stigge <stigge@antcom.de>
Cc: stable@vger.kernel.org
2012-02-27 17:28:02 +01:00
Linus Torvalds
5ffca28a4a Merge git://git.kernel.org/pub/scm/linux/kernel/git/aia21/ntfs
Here are some trivial NTFS changes (a spelling fix and two use before
NULL check cases found by Coverity as well as an update in MAINTAINERS
for the path to the ntfs git repo) together with a simple LDM fix for
parsing fragmented VBLKs.

* git://git.kernel.org/pub/scm/linux/kernel/git/aia21/ntfs:
  NTFS: Update git repo path in MAINTAINERS file.
  LDM: Fix reassembly of extended VBLKs.
  NTFS: Correct two spelling errors "dealocate" to "deallocate" in mft.c.
  NTFS: Do not dereference pointer before checking for NULL.
  NTFS: Remove unused variable.
2012-02-27 07:59:33 -08:00
Linus Torvalds
e25bda5642 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mce/AMD: Fix UP build error
  x86: Specify a size for the cmp in the NMI handler
  x86/nmi: Test saved %cs in NMI to determine nested NMI case
  x86/amd: Fix L1i and L2 cache sharing information for AMD family 15h processors
  x86/microcode: Remove noisy AMD microcode warning
2012-02-27 07:55:51 -08:00
Linus Torvalds
70ca00db10 Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/events: Revert trace_sched_stat_sleeptime()
2012-02-27 07:55:39 -08:00
Linus Torvalds
faf3502a3f Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq: Handle pending irqs in irq_startup()
  genirq: Unmask oneshot irqs when thread was not woken
2012-02-27 07:54:57 -08:00
Heiko Carstens
048cd4e51d compat: fix compile breakage on s390
The new is_compat_task() define for the !COMPAT case in
include/linux/compat.h conflicts with a similar define in
arch/s390/include/asm/compat.h.

This is the minimal patch which fixes the build issues.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-27 07:54:27 -08:00
Cong Wang
650275dbfb [PARISC] include <linux/prefetch.h> in drivers/parisc/iommu-helpers.h
drivers/parisc/iommu-helpers.h:62: error: implicit declaration of function 'prefetchw'
make[3]: *** [drivers/parisc/sba_iommu.o] Error 1

drivers/parisc/iommu-helpers.h needs to #include <linux/prefetch.h>
where prefetchw is declared.

Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-27 09:44:15 -06:00
James Bottomley
97a29d59fc [PARISC] fix compile break caused by iomap: make IOPORT/PCI mapping functions conditional
The problem in

commit fea80311a9
Author: Randy Dunlap <rdunlap@xenotime.net>
Date:   Sun Jul 24 11:39:14 2011 -0700

    iomap: make IOPORT/PCI mapping functions conditional

is that if your architecture supplies pci_iomap/pci_iounmap, it expects
always to supply them.  Adding empty body defitions in the !CONFIG_PCI
case, which is what this patch does, breaks the parisc compile because
the functions become doubly defined.  It took us a while to spot this,
because we don't actually build !CONFIG_PCI very often (only if someone
is brave enough to test the snake/asp machines).

Since the note in the commit log says this is to fix a
CONFIG_GENERIC_IOMAP issue (which it does because CONFIG_GENERIC_IOMAP
supplies pci_iounmap only if CONFIG_PCI is set), there should actually
have been a condition upon this.  This should make sure no other
architecture's !CONFIG_PCI compile breaks in the same way as parisc.

The fix had to be updated to take account of the GENERIC_PCI_IOMAP
separation.

Reported-by: Rolf Eike Beer <eike@sf-mail.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-27 09:43:30 -06:00
Arnd Bergmann
003e634863 Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes 2012-02-27 15:17:50 +00:00
Ohad Ben-Cohen
435792d934 ARM: OMAP: make iommu subsys_initcall to fix builtin omap3isp
omap3isp depends on omap's iommu and will fail to probe if
initialized before it (which always happen if they are builtin).

Make omap's iommu subsys_initcall as an interim solution until
the probe deferral mechanism is merged.

Reported-by: James <angweiyang@gmail.com>
Debugged-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Cc: stable <stable@vger.kernel.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Hiroshi Doyu <hdoyu@nvidia.com>
Cc: Joerg Roedel <Joerg.Roedel@amd.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2012-02-27 14:18:42 +01:00
Srivatsa S. Bhat
8f2f748b06 CPU hotplug, cpusets, suspend: Don't touch cpusets during suspend/resume
Currently, during CPU hotplug, the cpuset callbacks modify the cpusets
to reflect the state of the system, and this handling is asymmetric.
That is, upon CPU offline, that CPU is removed from all cpusets. However
when it comes back online, it is put back only to the root cpuset.

This gives rise to a significant problem during suspend/resume. During
suspend, we offline all non-boot cpus and during resume we online them back.
Which means, after a resume, all cpusets (except the root cpuset) will be
restricted to just one single CPU (the boot cpu). But the whole point of
suspend/resume is to restore the system to a state which is as close as
possible to how it was before suspend.

So to fix this, don't touch cpusets during suspend/resume. That is, modify
the cpuset-related CPU hotplug callback to just ignore CPU hotplug when it
is initiated as part of the suspend/resume sequence.

Reported-by: Prashanth Nageshappa <prashanth@linux.vnet.ibm.com>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/4F460D7B.1020703@linux.vnet.ibm.com
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2012-02-27 11:38:13 +01:00
Anton Altaparmakov
e6f4dee7a8 NTFS: Update git repo path in MAINTAINERS file.
Signed-off-by: Anton Altaparmakov <anton@tuxera.com>
2012-02-27 09:08:33 +00:00
Anton Altaparmakov
f621c53343 Merge branch 'master' of /Volumes/CaseSensitiveDisk/linux 2012-02-27 09:01:22 +00:00
Jeff Layton
5bccda0ebc cifs: fix dentry refcount leak when opening a FIFO on lookup
The cifs code will attempt to open files on lookup under certain
circumstances. What happens though if we find that the file we opened
was actually a FIFO or other special file?

Currently, the open filehandle just ends up being leaked leading to
a dentry refcount mismatch and oops on umount. Fix this by having the
code close the filehandle on the server if it turns out not to be a
regular file. While we're at it, change this spaghetti if statement
into a switch too.

Cc: stable@vger.kernel.org
Reported-by: CAI Qian <caiqian@redhat.com>
Tested-by: CAI Qian <caiqian@redhat.com>
Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
2012-02-26 23:16:26 -06:00
Linus Torvalds
500dd2370e Two fixes to fix a memory corruption bug when WC pages never get
converted back to WB but end up being recycled in the general memory
 pool as WC.
 
 Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Merge tag 'stable/for-linus-fixes-3.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

Two fixes to fix a memory corruption bug when WC pages never get
converted back to WB but end up being recycled in the general memory
pool as WC.

There is a better way of fixing this, but there is not enough time to do
the full benchmarking to pick one of the right options - so picking the
one that favors stability for right now.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

* tag 'stable/for-linus-fixes-3.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen/pat: Disable PAT support for now.
  xen/setup: Remove redundant filtering of PTE masks.
2012-02-26 21:03:16 -08:00
Linus Torvalds
f6bd5798f3 Autogenerated GPG tag for Rusty D1ADB8F1: 15EE 8D6C AB0E 7F0C F999 BFCB D920 0E6C D1AD B8F1
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Merge tag 'for-linus' of git://github.com/rustyrussell/linux

* tag 'for-linus' of git://github.com/rustyrussell/linux:
  mod/file2alias: make modpost compile on darwin again
2012-02-26 21:02:07 -08:00
Ian Kent
f694fc9729 autofs4 - update MAINTAINERS mailing list entry
The autofs mailing list has moved to vger.kernel.org.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-26 21:01:37 -08:00
Pavel Shilovsky
6de2ce4231 CIFS: Fix mkdir/rmdir bug for the non-POSIX case
Currently we do inc/drop_nlink for a parent directory for every
mkdir/rmdir calls. That's wrong when Unix extensions are disabled
because in this case a server doesn't follow the same semantic and
returns the old value on the next QueryInfo request. As the result,
we update our value with the server one and then decrement it on
every rmdir call - go to negative nlink values.

Fix this by removing inc/drop_nlink for the parent directory from
mkdir/rmdir, setting it for a revalidation and ignoring NumberOfLinks
for directories when Unix extensions are disabled.

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Reviewed-by: Jeff Layton <jlayton@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
2012-02-26 22:59:43 -06:00