Commit graph

201678 commits

Author SHA1 Message Date
Nicolas Kaiser
a7b98b6748 drm/sis: fixed brace and spacing coding style issues
Fixed brace and spacing coding style issues.

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:18:17 +10:00
Nicolas Kaiser
bc5e9d6a22 drm/r128: fixed brace and spacing coding style issues
Fixed brace and spacing coding style issues.

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:17:48 +10:00
Nicolas Kaiser
f2b2cb790e drm/mga: fixed brace, macro and spacing coding style issues
Fixed brace, macro and spacing coding style issues.

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:17:36 +10:00
Nicolas Kaiser
58c1e85af3 drm/via: fixed coding style issues, simplified return
Fixed brace, macro and spacing coding style issues.
Simplified
 -if (ret) return ret;
 -return 0;
 +return ret;

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:17:23 +10:00
Rafał Miłecki
219de62a16 drm/radeon/kms: trivial code style fixes for audio
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:17:10 +10:00
Nicolas Kaiser
5649911316 drm/i830: fixed brace and spacing coding style issues
Fixed brace and spacing coding style issues.

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:15:54 +10:00
Nicolas Kaiser
aca791c28a drm/i810: fixed coding style issues
Fixed brace, macro and spacing coding style issues, and a C99 comment.

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:15:41 +10:00
Chris Wilson
6e35023ffa drm: Free devname along with master->unique
The device name is tightly coupled and created at the same time as the
master->unique address, so we need to free it with the master. Currently
we overwrite it each time we create a new master:

unreferenced object 0xe32c54b0 (size 32):
  comm "Xorg", pid 1455, jiffies 4294721798 (age 3196.879s)
  hex dump (first 32 bytes):
    69 39 31 35 40 70 63 69 3a 30 30 30 30 3a 30 30  i915@pci:0000:00
    3a 30 32 2e 30 00 6b 6b 6b 6b 6b 6b 6b 6b 6b a5  :02.0.kkkkkkkkk.
  backtrace:
    [<c04e5657>] create_object+0x124/0x1f1
    [<c07cf0f0>] kmemleak_alloc+0x4c/0x90
    [<c04db84c>] __kmalloc+0x155/0x175
    [<f8316665>] drm_setversion+0x11d/0x1b1 [drm]
    [<f83148d4>] drm_ioctl+0x29a/0x356 [drm]
    [<c04f27c4>] vfs_ioctl+0x33/0x91
    [<c04f31cf>] do_vfs_ioctl+0x46b/0x496
    [<c04f3240>] sys_ioctl+0x46/0x66
    [<c040325f>] sysenter_do_call+0x12/0x38
    [<ffffffff>] 0xffffffff

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:14:30 +10:00
Chris Wilson
ddd3d069c0 drm: Free the idr layers before calling idr_destroy()
/* A typical clean-up sequence for objects stored in an idr tree, will
 * use idr_for_each() to free all objects, if necessary, then
 * idr_remove_all() to remove all ids, and idr_destroy() to free
 * up the cached idr_layers.
 */

We were missing the vital idr_rmove_all() step and so were leaking
the used layers for every dri client:

unreferenced object 0xf32133c0 (size 148):
  comm "plymouthd", pid 131, jiffies 4294678490 (age 2308.030s)
  hex dump (first 32 bytes):
    04 00 00 00 00 00 00 00 00 00 00 00 00 40 19 f3  .............@..
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<c04e5657>] create_object+0x124/0x1f1
    [<c07cf100>] kmemleak_alloc+0x4c/0x90
    [<c04db6a9>] kmem_cache_alloc+0xee/0x13c
    [<c05c3d25>] idr_pre_get+0x24/0x61
    [<f8315c9c>] drm_gem_handle_create+0x27/0x7f [drm]
    [<f89925b2>] i915_gem_create_ioctl+0x4f/0x71 [i915]
    [<f83148ac>] drm_ioctl+0x272/0x356 [drm]
    [<c04f27c4>] vfs_ioctl+0x33/0x91
    [<c04f31cf>] do_vfs_ioctl+0x46b/0x496
    [<c04f3240>] sys_ioctl+0x46/0x66
    [<c040325f>] sysenter_do_call+0x12/0x38
    [<ffffffff>] 0xffffffff

Fixes https://bugzilla.kernel.org/show_bug.cgi?id=15803

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:13:56 +10:00
Kulikov Vasiliy
05991110cf drm/nouveau: set TASK_(UN)INTERRUPTIBLE before schedule_timeout()
set_current_state() is called only once before the first iteration.
After return from schedule_timeout() current state is TASK_RUNNING. If
we are going to wait again, set_current_state() must be called.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2010-08-02 10:12:26 +10:00
Chris Wilson
c39721c775 drm/vmgfx: operation on ‘par->dirty.y1’ may be undefined
Trivial fix to set y1 = y2 = 0.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:12:21 +10:00
Alex Deucher
b417cc117a drm/radeon: remove viewport transform from r6xx/r7xx blit emit
We aren't using it, so no need.  Save additional dwords.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:07:48 +10:00
Alex Deucher
43a7d2d104 drm/radeon: group r6xx/r7xx newly sequential blit state
group state that is emitted sequentially into fewer packets.
This saves a number of dwords.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:07:39 +10:00
Alex Deucher
d0623a3e74 drm/radeon: reorder r6xx/r7xx blit state emit to make more regs sequential
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:07:24 +10:00
Alex Deucher
363c6a16e3 drm/radeon: r6xx/r7xx move vport clipping to a single packet
Saves lots of dwords in blit emit

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:07:09 +10:00
Alex Deucher
eb544433c3 drm/radeon: group r6xx/r7xx sequential blit state
group state that is emitted sequentially into fewer packets.
This saves a number of dwords.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:06:55 +10:00
Alex Deucher
7fc8878c33 drm/radeon: remove duplicate state emit in r6xx/r7xx blit
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:06:44 +10:00
Alex Deucher
8c119e9c3b drm/radeon: add comments to r6xx/r7xx blit state
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:06:32 +10:00
Alex Deucher
812d046915 drm/radeon/kms/r7xx: add workaround for hw issue with HDP flush
Use of HDP_*_COHERENCY_FLUSH_CNTL can cause a hang in certain
situations.  Add workaround.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:06:18 +10:00
Alex Deucher
833ee5c4ab drm/radeon/kms: remove rs4xx gart limit
We used to limit the rs4xx gart aperture to 32 MB, but I suspect
that was due to not meeting the alignment requirements of the
aperture.  This patch should only be applied after:
"drm/radeon/kms: fix gtt MC base alignment on rs4xx/rs690/rs740 asics"
has been applied.

This patch should probably soak for a bit in d-r-t.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:06:01 +10:00
Dave Airlie
d656ae53f6 Merge tag 'v2.6.35-rc6' into drm-radeon-next
Need this to avoid conflicts with future radeon fixes
2010-08-02 10:05:24 +10:00
Dan Carpenter
167ffc44ca drm: radeon: fix sign bug
The "error" variable is unsigned so it's never less than zero.  I
changed it to check if (freq < current_freq) directly.

"best_error" is also unsigned so "best_error - 100" could be a large
number instead of a negative.  Since "error" is unsigned it is never
less than a negative and so the cases where "best_error" is less than or
equal to 100 are false.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:00:10 +10:00
Dave Airlie
4c712e6c7e drm/radeon/kms: check/restore sanity before doing anything else with GPU.
On systems using kexec, the new kernel is booted straight from the old kernel, without any warning to the graphics driver. So the GPU is basically left as-is in a running state, however the CPU side is completly reset.

Without stating the saneness of anyone using kexec on live systems, we should at least try not to crash the GPU. This patch resets 3 registers to 0 that could cause bad things to happen to the running system.

This allows kexec to work on a Power6/RN50 system.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:00:09 +10:00
Michel Dänzer
e376573f72 drm/radeon: fall back to GTT if bo creation/validation in VRAM fails.
This fixes a problem where on low VRAM cards we'd run out of space for validation.

[airlied: Tested on my M7, Thinkpad T42, compiz works with no problems.]

Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:00:08 +10:00
Alex Deucher
351a52a241 drm/radeon/kms: add ioport register access
This is required for the NB_MISC regs on rs780/rs880 which
means HDMI/DVI/DP ports using PCIEPHY won't work without
it. It might also help with s/r (asic init) issues on other
atombios cards.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=28774
and similar issues reported by Alberto Milone.

[airlied: Squash io fix patch]

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Tested-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:00:07 +10:00
Rafał Miłecki
fe50ac78a6 drm/radeon/kms: enable HDMI audio on RS600/RS690/RS740
We will need method of selecting encoder that should receive HDMI block. For
now we assign HDMI block to first enabled encoder. Hopefully there are not many
RS6x0 chips with two digital encoders.

[airlied: add RS740 checks as per Alex suggestion.]

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:00:06 +10:00
Rafał Miłecki
7eea7e9eea drm/radeon/kms: track audio engine state, do not use not setup timer
This is needed to enable audio support on devices using polling. In case user
decides to disable audio (module parameter) we still will try to use timer in
r600_audio_enable_polling. This would lead to BUG in kernel/timer.c.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:00:06 +10:00
Alex Deucher
e7aeeba6a8 drm/radeon/kms/r6xx+: add query for tile config (v2)
Userspace needs this information to access tiled
buffers via the CPU.

v2: rebased on evergreen accel changes

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:00:05 +10:00
Alex Deucher
40e2a5c15d drm/radeon/kms: fix CS alignment checking for tiling (v2)
Covers depth, cb, and textures. Hopefully I got this right.

v2: - fix bugs:
      https://bugs.freedesktop.org/show_bug.cgi?id=28327
      https://bugs.freedesktop.org/show_bug.cgi?id=28381
    - use ALIGNED(), IS_ALIGNED() macros

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:00:04 +10:00
Alex Deucher
7f81337720 drm/radeon/kms: add tiling support to the cs checker for r6xx/r7xx
Check for relocs for DB_DEPTH_INFO, CB_COLOR*_INFO, and texture
resources.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:00:03 +10:00
Alex Deucher
97d6632853 drm/radeon/kms: Add crtc tiling setup support for evergreen
Needed for scanning out of a tiled buffer.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:00:02 +10:00
Alex Deucher
40c4ac1c19 drm/radeon/kms: Add crtc tiling setup support for r6xx/r7xx
Needed for scanning out of a tiled buffer.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:00:01 +10:00
Alex Deucher
21a8122ad3 drm/radeon/kms: add support for internal thermal sensors (v3)
rv6xx/rv7xx/evergreen families supported; older asics did
not have an internal thermal sensor.

Note, not all oems use the internal thermal sensor, so it's
only exposed in cases where it is used.

Note also, that most laptops use an oem specific ACPI solution for
GPU thermal information rather than using the internal thermal
sensor directly.

v2: export millidegrees celsius, use hwmon device properly.
v3: fix Kconfig

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 10:00:00 +10:00
Alberto Milone
d7a2952f1a drm/radeon: Add support for the ATIF ACPI method to the radeon driver
By calling the ATIF method in the radeon driver we can make sure
that hotkeys such as the video switch key emit ACPI events when
pressed.

agd5f: fix warning

Signed-off-by: Alberto Milone <alberto.milone@canonical.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 09:59:59 +10:00
Alex Deucher
9bd7ef5f5a drm/radeon/kms/atom: bump atom loop timeout from 1 sec to 5 secs
Some tables have delays that can cause the timeout to hit
even when not intended.

Should fix:
https://bugs.freedesktop.org/show_bug.cgi?id=27744
and related bugs.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 09:59:58 +10:00
Alex Deucher
4ce9198ecf drm/radeon/kms: minor driver cleanups
- Make the logic in r100_pll_errata_after_index() match the other
errata functions
- Use rdev->family rather than rdev->flags & RADEON_FAMILY_MASK for kms
- replace rn50 check using ids with ASIC_IS_RN50 convenience macro

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-02 09:59:57 +10:00
Linus Torvalds
9fe6206f40 Linux 2.6.35 2010-08-01 15:11:14 -07:00
Trond Myklebust
77a63f3d1e NFS: Fix a typo in include/linux/nfs_fs.h
nfs_commit_inode() needs to be defined irrespectively of whether or not
we are supporting NFSv3 and NFSv4.

Allow the compiler to optimise away code in the NFSv2-only case by
converting it into an inlined stub function.

Reported-and-tested-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-01 15:10:01 -07:00
Linus Torvalds
a63ecd835f Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
  cyber2000fb: fix console in truecolor modes
  cyber2000fb: fix machine hang on module load
  SA1111: Eliminate use after free
  ARM: Fix Versatile/Realview/VExpress MMC card detection sense
  ARM: 6279/1: highmem: fix SMP preemption bug in kmap_high_l1_vipt
  ARM: Add barriers to io{read,write}{8,16,32} accessors as well
  ARM: 6273/1: Add barriers to the I/O accessors if ARM_DMA_MEM_BUFFERABLE
  ARM: 6272/1: Convert L2x0 to use the IO relaxed operations
  ARM: 6271/1: Introduce *_relaxed() I/O accessors
  ARM: 6275/1: ux500: don't use writeb() in uncompress.h
  ARM: 6270/1: clean files in arch/arm/boot/compressed/
  ARM: Fix csum_partial_copy_from_user()
2010-07-30 19:02:51 -07:00
Linus Torvalds
fc71ff8a6c 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:
  NFS: Ensure that writepage respects the nonblock flag
  NFS: kswapd must not block in nfs_release_page
  nfs: include space for the NUL in root path
2010-07-30 19:02:21 -07:00
Linus Torvalds
1cf66e1616 Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/edid: Fix the HDTV hack sync adjustment
  drm/radeon/kms: fix radeon mid power profile reporting
2010-07-30 19:01:11 -07:00
Hugh Dickins
de51257aa3 mm: fix ia64 crash when gcore reads gate area
Debian's ia64 autobuilders have been seeing kernel freeze or reboot
when running the gdb testsuite (Debian bug 588574): dannf bisected to
2.6.32 62eede62da "mm: ZERO_PAGE without
PTE_SPECIAL"; and reproduced it with gdb's gcore on a simple target.

I'd missed updating the gate_vma handling in __get_user_pages(): that
happens to use vm_normal_page() (nowadays failing on the zero page),
yet reported success even when it failed to get a page - boom when
access_process_vm() tried to copy that to its intermediate buffer.

Fix this, resisting cleanups: in particular, leave it for now reporting
success when not asked to get any pages - very probably safe to change,
but let's not risk it without testing exposure.

Why did ia64 crash with 16kB pages, but succeed with 64kB pages?
Because setup_gate() pads each 64kB of its gate area with zero pages.

Reported-by: Andreas Barth <aba@not.so.argh.org>
Bisected-by: dann frazier <dannf@debian.org>
Signed-off-by: Hugh Dickins <hughd@google.com>
Tested-by: dann frazier <dannf@dannf.org>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-30 18:56:09 -07:00
David Howells
51c20fcced CIFS: Remove __exit mark from cifs_exit_dns_resolver()
Remove the __exit mark from cifs_exit_dns_resolver() as it's called by the
module init routine in case of error, and so may have been discarded during
linkage.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-07-30 18:56:09 -07:00
Ondrej Zary
e76df4d339 cyber2000fb: fix console in truecolor modes
Return value was not set to 0 in setcolreg() with truecolor modes. This causes
fb_set_cmap() to abort after first color, resulting in blank palette - and
blank console in 24bpp and 32bpp modes.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30 23:29:33 +01:00
Ondrej Zary
00b4703f03 cyber2000fb: fix machine hang on module load
I was testing two CyberPro 2000 based PCI cards on x86 and the machine always
hanged completely when the cyber2000fb module was loaded. It seems that the
card hangs when some registers are accessed too quickly after writing RAMDAC
control register. With this patch, both card work.

Add delay after RAMDAC control register write to prevent hangs on module load.

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30 23:29:33 +01:00
Julia Lawall
f2d2420bbf SA1111: Eliminate use after free
__sa1111_remove always frees its argument, so the subsequent reference to
sachip->saved_state represents a use after free.  __sa1111_remove does not
appear to use the saved_state field, so the patch simply frees it first.

A simplified version of the semantic patch that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression E,E2;
@@

__sa1111_remove(E)
...
(
  E = E2
|
* E
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30 23:19:30 +01:00
Russell King
74bc80931c ARM: Fix Versatile/Realview/VExpress MMC card detection sense
The MMC card detection sense has become really confused with negations
at various levels, leading to some platforms not detecting inserted
cards.  Fix this by converting everything to positive logic throughout,
thereby getting rid of these negations.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30 23:16:32 +01:00
Gary King
831e8047eb ARM: 6279/1: highmem: fix SMP preemption bug in kmap_high_l1_vipt
smp_processor_id() must not be called from a preemptible context (this
is checked by CONFIG_DEBUG_PREEMPT).  kmap_high_l1_vipt() was doing so.
This lead to a problem where the wrong per_cpu kmap_high_l1_vipt_depth
could be incremented, causing a BUG_ON(*depth <= 0); in
kunmap_high_l1_vipt().

The solution is to move the call to smp_processor_id() after the call
to preempt_disable().

Originally by: Andrew Howe <ahowe@nvidia.com>

Signed-off-by: Gary King <gking@nvidia.com>
Acked-by: Nicolas Pitre <nico.as.pitre@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-30 23:16:07 +01:00
Trond Myklebust
cfb506e1d3 NFS: Ensure that writepage respects the nonblock flag
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-07-30 15:38:56 -04:00
Trond Myklebust
b608b283a9 NFS: kswapd must not block in nfs_release_page
See https://bugzilla.kernel.org/show_bug.cgi?id=16056

If other processes are blocked waiting for kswapd to free up some memory so
that they can make progress, then we cannot allow kswapd to block on those
processes.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org
2010-07-30 15:38:42 -04:00