GitHub/exynos8895/android_kernel_samsung_universal8895.git
12 years agodrm/nouveau/bios: check that fixed tvdac gpio data is valid before using it
Ben Skeggs [Wed, 12 Sep 2012 05:55:01 +0000 (15:55 +1000)]
drm/nouveau/bios: check that fixed tvdac gpio data is valid before using it

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: log channel debug/error messages from client object rather than drm...
Ben Skeggs [Wed, 12 Sep 2012 03:40:47 +0000 (13:40 +1000)]
drm/nouveau: log channel debug/error messages from client object rather than drm client

This will make it more obvious which application caused particular messages.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: have drm debugging macros build on top of core macros
Ben Skeggs [Wed, 12 Sep 2012 03:38:13 +0000 (13:38 +1000)]
drm/nouveau: have drm debugging macros build on top of core macros

May kill the DRM version completely at some point, undecided..

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/core: have client-id be a string, rather than an integer
Ben Skeggs [Wed, 12 Sep 2012 03:09:23 +0000 (13:09 +1000)]
drm/nouveau/core: have client-id be a string, rather than an integer

Can be somewhat more informative that way...

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nvc0/fifo: re-bash PBUS regs after vm-fault to BARs/PEEPHOLE
Ben Skeggs [Fri, 7 Sep 2012 00:26:38 +0000 (20:26 -0400)]
drm/nvc0/fifo: re-bash PBUS regs after vm-fault to BARs/PEEPHOLE

Seems to be required to "re-arm" the engines after a vm fault.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nvc0/gr: implement initial trap handler
Ben Skeggs [Thu, 6 Sep 2012 05:03:47 +0000 (01:03 -0400)]
drm/nvc0/gr: implement initial trap handler

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nvc0/gr: rebuild fuc with latest envyas
Ben Skeggs [Thu, 6 Sep 2012 03:09:22 +0000 (13:09 +1000)]
drm/nvc0/gr: rebuild fuc with latest envyas

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nvc0/ltcg: read LTS count at startup
Ben Skeggs [Wed, 5 Sep 2012 02:19:26 +0000 (12:19 +1000)]
drm/nvc0/ltcg: read LTS count at startup

Not really sure how to confirm this 100%, but, the numbers match on all the
traces I have for NVCx (2 LTS), NVD9 (1LTS) and NVEx (4LTS).

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nve0/gr: enable use of our fuc by default
Ben Skeggs [Thu, 23 Aug 2012 05:52:28 +0000 (01:52 -0400)]
drm/nve0/gr: enable use of our fuc by default

Graphics acceleration is still disabled by default due to lingering issues
that need to be solved.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nve0/gr: remove 0x404160 bashing from hub fuc
Ben Skeggs [Thu, 23 Aug 2012 05:32:38 +0000 (01:32 -0400)]
drm/nve0/gr: remove 0x404160 bashing from hub fuc

Triggers PIBUS interrupts due to register not existing anymore, and as
a result HUB_SET_CHAN times out.

After this commit, our fuc loads and can accelerate at least fbcon, X,
glxgears and OA on NVE4.  NVE7 not tested as of yet.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nve0/gr: initial fuc implementation, based on fermi's code
Ben Skeggs [Thu, 23 Aug 2012 00:47:40 +0000 (20:47 -0400)]
drm/nve0/gr: initial fuc implementation, based on fermi's code

Currently identical except the available chipset register lists.  This will
*not* currently work and is disabled by default because of this.

May get merged again later, remains to be seen what further changes will be
required.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nve0/ibus: handle PIBUS interrupts to prevent storm
Ben Skeggs [Thu, 23 Aug 2012 03:55:42 +0000 (23:55 -0400)]
drm/nve0/ibus: handle PIBUS interrupts to prevent storm

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/sw: trap and clear PMC_INTR_0_SOFTWARE
Ben Skeggs [Thu, 23 Aug 2012 05:14:21 +0000 (01:14 -0400)]
drm/nouveau/sw: trap and clear PMC_INTR_0_SOFTWARE

Came in useful for debugging another issue earlier, so keep it around.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: quiet some static-related sparse noise
Marcin Slusarz [Sun, 19 Aug 2012 21:00:00 +0000 (23:00 +0200)]
drm/nouveau: quiet some static-related sparse noise

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: constify instances of nouveau_bitfield and nouveau_enum structs
Marcin Slusarz [Sun, 19 Aug 2012 20:59:59 +0000 (22:59 +0200)]
drm/nouveau: constify instances of nouveau_bitfield and nouveau_enum structs

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/fifo: use defines instead of hardcoded class ids
Ben Skeggs [Sun, 19 Aug 2012 06:03:00 +0000 (16:03 +1000)]
drm/nouveau/fifo: use defines instead of hardcoded class ids

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/dmaobj: reject unsupported parent types instead of half-succeeding
Ben Skeggs [Sun, 19 Aug 2012 05:58:38 +0000 (15:58 +1000)]
drm/nouveau/dmaobj: reject unsupported parent types instead of half-succeeding

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: add defines for internal class names
Ben Skeggs [Sun, 19 Aug 2012 05:53:15 +0000 (15:53 +1000)]
drm/nouveau: add defines for internal class names

Will probably flesh the documentation of the classes out a bit too at some
later point.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nv50/fifo: add support for dma channel class
Ben Skeggs [Tue, 14 Aug 2012 05:33:20 +0000 (15:33 +1000)]
drm/nv50/fifo: add support for dma channel class

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nv84/fifo: add support for dma channel class
Ben Skeggs [Tue, 14 Aug 2012 05:30:14 +0000 (15:30 +1000)]
drm/nv84/fifo: add support for dma channel class

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/fifo: version the dma channel class struct
Ben Skeggs [Tue, 14 Aug 2012 05:02:29 +0000 (15:02 +1000)]
drm/nouveau/fifo: version the dma channel class struct

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/fifo: separate object classes for dma channels
Ben Skeggs [Tue, 14 Aug 2012 04:53:51 +0000 (14:53 +1000)]
drm/nouveau/fifo: separate object classes for dma channels

Future code will use the object class rather than chipset checks in order to
identify available channel features.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: restore fifo chid information in engine error messages
Ben Skeggs [Mon, 13 Aug 2012 06:26:07 +0000 (16:26 +1000)]
drm/nouveau: restore fifo chid information in engine error messages

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/core: have fifo store a unique context identifier at attach time
Ben Skeggs [Fri, 10 Aug 2012 05:10:34 +0000 (15:10 +1000)]
drm/nouveau/core: have fifo store a unique context identifier at attach time

This value will match something that's easily available from the engine IRQ
handlers, and used to lookup the relevant context.

Since the changes in how this is done on each generation match when the
major PFIFO changes happened, fifo is responsible for calculating the
correct value to avoid duplicating the same code among many engine modules.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/fifo: add method to lookup fifo chid related to a given object
Ben Skeggs [Fri, 10 Aug 2012 04:02:44 +0000 (14:02 +1000)]
drm/nouveau/fifo: add method to lookup fifo chid related to a given object

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/core: protect engine context list with hardirq-safe spinlock
Ben Skeggs [Fri, 10 Aug 2012 03:47:56 +0000 (13:47 +1000)]
drm/nouveau/core: protect engine context list with hardirq-safe spinlock

IRQ handlers will need access to engine contexts.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nv84/fifo: mask only the engine we're waiting on for channel unload
Ben Skeggs [Mon, 6 Aug 2012 11:56:18 +0000 (21:56 +1000)]
drm/nv84/fifo: mask only the engine we're waiting on for channel unload

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nve0: use async copy engine for ttm buffer moves if available
Ben Skeggs [Mon, 6 Aug 2012 09:38:25 +0000 (19:38 +1000)]
drm/nve0: use async copy engine for ttm buffer moves if available

Kepler PFIFO lost the ability to address multiple engines from a single
channel, so we need a separate one for the copy engine.

v2: Marcin Slusarz <marcin.slusarz@gmail.com>
- regression fix: restore hw accelerated buffer copies

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nve0/copy: add initial support for the async copy engines
Ben Skeggs [Mon, 6 Aug 2012 09:28:02 +0000 (19:28 +1000)]
drm/nve0/copy: add initial support for the async copy engines

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nve0/fifo: support engine selection when creating fifo channels
Ben Skeggs [Mon, 6 Aug 2012 08:16:37 +0000 (18:16 +1000)]
drm/nve0/fifo: support engine selection when creating fifo channels

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/device: return proper error codes if ioremap fails
Ben Skeggs [Mon, 6 Aug 2012 06:31:26 +0000 (16:31 +1000)]
drm/nouveau/device: return proper error codes if ioremap fails

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/core: remove some left-over pieces from the porting process
Ben Skeggs [Mon, 6 Aug 2012 06:30:10 +0000 (16:30 +1000)]
drm/nouveau/core: remove some left-over pieces from the porting process

Reported-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nvc0-/gr: remove reset-after-grctx-construction hack
Ben Skeggs [Sun, 5 Aug 2012 01:29:10 +0000 (11:29 +1000)]
drm/nvc0-/gr: remove reset-after-grctx-construction hack

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: add Kconfig options for debug control
Ben Skeggs [Fri, 3 Aug 2012 04:58:10 +0000 (14:58 +1000)]
drm/nouveau: add Kconfig options for debug control

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: port remainder of drm code, and rip out compat layer
Ben Skeggs [Tue, 31 Jul 2012 06:16:21 +0000 (16:16 +1000)]
drm/nouveau: port remainder of drm code, and rip out compat layer

v2: Ben Skeggs <bskeggs@redhat.com>
- fill in nouveau_pm.dev to prevent oops
- fix ppc issues (build + OF shadow)

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/device: include the official chipset names
Ben Skeggs [Thu, 26 Jul 2012 22:28:20 +0000 (08:28 +1000)]
drm/nouveau/device: include the official chipset names

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/backlight: remove dependence on nouveau_drv.h
Ben Skeggs [Wed, 25 Jul 2012 23:12:47 +0000 (09:12 +1000)]
drm/nouveau/backlight: remove dependence on nouveau_drv.h

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: flatten nv{Read,Write}{MC,VIDEO,FB,EXTDEV}
Ben Skeggs [Wed, 25 Jul 2012 22:59:23 +0000 (08:59 +1000)]
drm/nouveau: flatten nv{Read,Write}{MC,VIDEO,FB,EXTDEV}

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: move compat ioctl out of nouveau_drv.h
Ben Skeggs [Wed, 25 Jul 2012 22:54:33 +0000 (08:54 +1000)]
drm/nouveau: move compat ioctl out of nouveau_drv.h

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/acpi: move definitions out of nouveau_drv.h
Ben Skeggs [Wed, 25 Jul 2012 22:51:21 +0000 (08:51 +1000)]
drm/nouveau/acpi: move definitions out of nouveau_drv.h

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/mxm: split up into bios code and a subdev module
Ben Skeggs [Sun, 22 Jul 2012 06:41:26 +0000 (16:41 +1000)]
drm/nouveau/mxm: split up into bios code and a subdev module

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: start culling unused code
Ben Skeggs [Sun, 22 Jul 2012 05:03:09 +0000 (15:03 +1000)]
drm/nouveau: start culling unused code

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: port all engines to new engine module format
Ben Skeggs [Thu, 19 Jul 2012 22:17:34 +0000 (08:17 +1000)]
drm/nouveau: port all engines to new engine module format

This is a HUGE commit, but it's not nearly as bad as it looks - any problems
can be isolated to a particular chipset and engine combination.  It was
simply too difficult to port each one at a time, the compat layers are
*already* ridiculous.

Most of the changes here are simply to the glue, the process for each of the
engine modules was to start with a standard skeleton and copy+paste the old
code into the appropriate places, fixing up variable names etc as needed.

v2: Marcin Slusarz <marcin.slusarz@gmail.com>
- fix find/replace bug in license header

v3: Ben Skeggs <bskeggs@redhat.com>
- bump indirect pushbuf size to 8KiB, 4KiB barely enough for userspace and
  left no space for kernel's requirements during GEM pushbuf submission.
- fix duplicate assignments noticed by clang

v4: Marcin Slusarz <marcin.slusarz@gmail.com>
- add sparse annotations to nv04_fifo_pause/nv04_fifo_start
- use ioread32_native/iowrite32_native for fifo control registers

v5: Ben Skeggs <bskeggs@redhat.com>
- rebase on v3.6-rc4, modified to keep copy engine fix intact
- nv10/fence: unmap fence bo before destroying
- fixed fermi regression when using nvidia gr fuc
- fixed typo in supported dma_mask checking

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nvc0-/gr: generate grctx template at init time, not first context ctor
Ben Skeggs [Sat, 4 Aug 2012 08:40:45 +0000 (18:40 +1000)]
drm/nvc0-/gr: generate grctx template at init time, not first context ctor

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nvc0-/gr: share headers between fermi and kepler graphics code
Ben Skeggs [Sat, 4 Aug 2012 08:26:50 +0000 (18:26 +1000)]
drm/nvc0-/gr: share headers between fermi and kepler graphics code

v2: Ben Skeggs <bskeggs@redhat.com>
- de-inline nv_icmd, triggers some gcc issue causing ctxnv[ce]0.c to
  take a *very* *very* long time to build on some configs.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/pageflip: kick flip handling out of engsw and into fence
Ben Skeggs [Sun, 22 Jul 2012 01:55:54 +0000 (11:55 +1000)]
drm/nouveau/pageflip: kick flip handling out of engsw and into fence

This is all very much a policy thing, and hence will not belong in SW
after the rework.

engsw now only handles receiving the event to say "can flip now" and makes
a callback to perform the actual work.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: move some more code around to more appropriate places
Ben Skeggs [Thu, 19 Jul 2012 07:54:21 +0000 (17:54 +1000)]
drm/nouveau: move some more code around to more appropriate places

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nvc0-nve0/graph: rename dev to priv, no code changes
Ben Skeggs [Thu, 19 Jul 2012 07:32:01 +0000 (17:32 +1000)]
drm/nvc0-nve0/graph: rename dev to priv, no code changes

There's a *lot* of code in here, and it's all going to use the PGRAPH priv
pointer rather than drm_device after the engine rework.  This is handling
all the rename-only parts of the change.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/fence: un-port from nouveau_exec_engine interfaces
Ben Skeggs [Thu, 19 Jul 2012 00:51:42 +0000 (10:51 +1000)]
drm/nouveau/fence: un-port from nouveau_exec_engine interfaces

Still the same code, but not an "engine" anymore.  The fence code is more of
a policy decision rather than exposing mechanisms, so it's not appropriate
to port it to the new engine subsystem.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: pull nouveau_gem definitions into their own header
Ben Skeggs [Wed, 18 Jul 2012 12:15:33 +0000 (22:15 +1000)]
drm/nouveau: pull nouveau_gem definitions into their own header

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: pull nouveau_bo definitions into their own header
Ben Skeggs [Wed, 18 Jul 2012 07:17:09 +0000 (17:17 +1000)]
drm/nouveau: pull nouveau_bo definitions into their own header

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nv04/disp: kick all private state out to own header
Ben Skeggs [Wed, 18 Jul 2012 00:00:50 +0000 (10:00 +1000)]
drm/nv04/disp: kick all private state out to own header

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/instmem: completely new implementation, as a subdev module
Ben Skeggs [Sat, 14 Jul 2012 09:09:17 +0000 (19:09 +1000)]
drm/nouveau/instmem: completely new implementation, as a subdev module

v2 (Ben Skeggs):
- some fixes for 64KiB PAGE_SIZE
- fix porting issues in (currently unused) nv41/nv44 pciegart code

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: remove last use of nouveau_gpuobj_new_fake()
Ben Skeggs [Sat, 14 Jul 2012 01:03:52 +0000 (11:03 +1000)]
drm/nouveau: remove last use of nouveau_gpuobj_new_fake()

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nv50/instmem: remove use of nouveau_gpuobj_new_fake()
Ben Skeggs [Sat, 14 Jul 2012 00:48:12 +0000 (10:48 +1000)]
drm/nv50/instmem: remove use of nouveau_gpuobj_new_fake()

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/gpuobj: remove flags for vm-mappings
Ben Skeggs [Fri, 13 Jul 2012 07:21:22 +0000 (17:21 +1000)]
drm/nouveau/gpuobj: remove flags for vm-mappings

Having GPUOBJ and VM intertwined like this makes it *really* hard to
continue porting to the new driver architecture, split it out in
favour of requiring explit maps be the caller.

It's more flexible and obvious this way anyway...

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/gpuobj: create wrapper functions for mapping gpuobj into vm/bar
Ben Skeggs [Fri, 13 Jul 2012 07:05:35 +0000 (17:05 +1000)]
drm/nouveau/gpuobj: create wrapper functions for mapping gpuobj into vm/bar

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nvc0/fifo: handle bar1 control regs much like fifo/nve0
Ben Skeggs [Fri, 13 Jul 2012 06:54:45 +0000 (16:54 +1000)]
drm/nvc0/fifo: handle bar1 control regs much like fifo/nve0

The partial mapping thing is stupid and pointless...

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nv04-nv40/fifo: remove use of nouveau_gpuobj_new_fake()
Ben Skeggs [Fri, 13 Jul 2012 06:49:49 +0000 (16:49 +1000)]
drm/nv04-nv40/fifo: remove use of nouveau_gpuobj_new_fake()

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nv04-nv40/instmem: remove use of nouveau_gpuobj_new_fake()
Ben Skeggs [Fri, 13 Jul 2012 06:42:14 +0000 (16:42 +1000)]
drm/nv04-nv40/instmem: remove use of nouveau_gpuobj_new_fake()

These type of fake objects will not be supported for much longer.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nv04-nv40/instmem: duplicate nv04 code as nv40, remove alternate paths
Ben Skeggs [Fri, 13 Jul 2012 06:14:25 +0000 (16:14 +1000)]
drm/nv04-nv40/instmem: duplicate nv04 code as nv40, remove alternate paths

A ton of duplication for the moment, will go away when they become subdevs.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/fb: merge fb/vram and port to subdev interfaces
Ben Skeggs [Wed, 11 Jul 2012 09:05:01 +0000 (19:05 +1000)]
drm/nouveau/fb: merge fb/vram and port to subdev interfaces

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nv50-/instmem: allocate vram for kernel objects from end of vram
Ben Skeggs [Wed, 11 Jul 2012 08:10:11 +0000 (18:10 +1000)]
drm/nv50-/instmem: allocate vram for kernel objects from end of vram

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/core: add support for reverse mm allocations
Ben Skeggs [Wed, 11 Jul 2012 06:28:19 +0000 (16:28 +1000)]
drm/nouveau/core: add support for reverse mm allocations

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/timer: port to subdev interfaces
Ben Skeggs [Wed, 11 Jul 2012 06:08:25 +0000 (16:08 +1000)]
drm/nouveau/timer: port to subdev interfaces

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/mc: port to subdev interfaces
Ben Skeggs [Wed, 11 Jul 2012 05:58:56 +0000 (15:58 +1000)]
drm/nouveau/mc: port to subdev interfaces

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: implement devinit subdev, and new init table parser
Ben Skeggs [Wed, 11 Jul 2012 00:44:20 +0000 (10:44 +1000)]
drm/nouveau: implement devinit subdev, and new init table parser

v2:
- make sure not to execute display scripts unless resuming

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/clock: pull in the implementation from all over the place
Ben Skeggs [Tue, 10 Jul 2012 07:26:46 +0000 (17:26 +1000)]
drm/nouveau/clock: pull in the implementation from all over the place

Still missing the main bits we use to change performance levels, I'll get
to it after all the hard yakka has been finished.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/clk: implement stub clock subdev
Ben Skeggs [Tue, 10 Jul 2012 06:45:24 +0000 (16:45 +1000)]
drm/nouveau/clk: implement stub clock subdev

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/i2c: port to subdev interfaces
Ben Skeggs [Tue, 10 Jul 2012 04:36:38 +0000 (14:36 +1000)]
drm/nouveau/i2c: port to subdev interfaces

v2/v3: Ben Skeggs <bskeggs@redhat.com>
- fix typo in default bus selection
- fix accidental loss of destructor

v4: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
- fix typo causing incorrect default i2c port settings when no BMP data

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/gpio: port gpio to subdev interfaces
Ben Skeggs [Tue, 10 Jul 2012 02:20:17 +0000 (12:20 +1000)]
drm/nouveau/gpio: port gpio to subdev interfaces

v2: Ben Skeggs <bskeggs@redhat.com>
- rebase on top of v3.6-rc6 with gpio reset patch integrated already

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/oldbios: remove shadowing support, use bios subdev's image
Ben Skeggs [Tue, 10 Jul 2012 01:38:08 +0000 (11:38 +1000)]
drm/nouveau/oldbios: remove shadowing support, use bios subdev's image

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/bios: pull in basic vbios subdev, more to come later
Ben Skeggs [Tue, 10 Jul 2012 00:49:22 +0000 (10:49 +1000)]
drm/nouveau/bios: pull in basic vbios subdev, more to come later

v2: Ben Skeggs <bskeggs@redhat.com>
- use unaligned macros to access vbios image
- endianness fixes

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: have non-core mmio accesses go through device object
Ben Skeggs [Mon, 9 Jul 2012 04:14:48 +0000 (14:14 +1000)]
drm/nouveau: have non-core mmio accesses go through device object

Adds an extra layer of indirection to each register access, but it's not
too bad, and will also go away as pieces are ported.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: implement module init functions in nouveau_drm.c
Ben Skeggs [Fri, 6 Jul 2012 02:14:00 +0000 (12:14 +1000)]
drm/nouveau: implement module init functions in nouveau_drm.c

These currently just call the existing ones in nouveau_drv.c, but will be
extended in upcoming commits.  This needed to be separated from the current
code as there will be some header clashes until things are ported.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/core: pull in most of the new core infrastructure
Ben Skeggs [Thu, 5 Jul 2012 21:36:43 +0000 (07:36 +1000)]
drm/nouveau/core: pull in most of the new core infrastructure

This commit provides most of the infrastructure to support a major overhaul
of Nouveau's internals coming in the following commits.  This work aims to
take all the things we've learned over the last several years, and turn that
into a cleaner architecture that's more maintainable going forward.

RAMHT and MM bits of the new core have been left out for the moment, and
will be pulled in as I go through the process of porting the code to
become either subdev or engine modules.

There are several main goals I wanted to achieve through this work:

-- Reduce complexity

The goal here was to make each component of the driver as independent as
possible, which will ease maintainability and readability, and provide a
good base for resetting locked up GPU units in the future.

-- Better tracking of GPU units that are required at any given time

This is for future PM work, we'll be able to tell exactly what parts of the
GPU we need powered at any given point (etc).

-- Expose all available NVIDIA GPUs to the client

In order to support things such as multi-GPU channels, we want to be able
to expose all the NVIDIA GPUs to the client over a single file descriptor
so it can send a single push buffer to multiple GPUs.

-- Untangle the core hardware support code from the DRM implementation

This happened initially as an unexpected side-effect of developing the
initial core infrastructure in userspace, but it turned into a goal of
the whole project.  Initial benefits will be the availablility of a
number of userspace tools and tests using the same code as the driver
itself, but will also be important as I look into some virtualisation
ideas.

v2: Ben Skeggs <bskeggs@redhat.com>
- fix duplicate assignments noticed by clang
- implement some forgotten yelling in error path
- ensure 64-bit engine mask is used everywhere

v3: Marcin Slusarz <marcin.slusarz@gmail.com>
- sparse fixes
- inline nv_printk into nv_assert to prevent recursive inlining issues

v4: Ben Skeggs <bskeggs@redhat.com>
- fixed minor memory leak on gpuobj destruction

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/agp: move all agp stuff into its own source file
Ben Skeggs [Thu, 5 Jul 2012 11:36:32 +0000 (21:36 +1000)]
drm/nouveau/agp: move all agp stuff into its own source file

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau: restructure source tree, split core from drm implementation
Ben Skeggs [Wed, 4 Jul 2012 13:44:54 +0000 (23:44 +1000)]
drm/nouveau: restructure source tree, split core from drm implementation

Future work will be headed in the way of separating the policy supplied by
the nouveau drm module from the mechanisms provided by the driver core.

There will be a couple of major classes (subdev, engine) of driver modules
that have clearly defined tasks, and the further directory structure change
is to reflect this.

No code changes here whatsoever, aside from fixing up a couple of include
file pathnames.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nouveau/gem: use bo.offset rather than mm_node.start
Ben Skeggs [Fri, 3 Aug 2012 19:46:01 +0000 (05:46 +1000)]
drm/nouveau/gem: use bo.offset rather than mm_node.start

Won't necessarily be a drm_mm_node in the future, and I can't think of any
good reason to not use the offset from the bo struct.  There may have been
some reason once apon a time, but, separate commit just in case.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agodrm/nvc0/fence: restore pre-suspend fence buffer context on resume
Ben Skeggs [Fri, 28 Sep 2012 01:50:29 +0000 (11:50 +1000)]
drm/nvc0/fence: restore pre-suspend fence buffer context on resume

Fixes some unfortunate races on resume.  The G84 version of the code doesn't
need this as "gpuobj"s are automagically suspended/resumed by the core code
whereas pinned buffer objects are not.

Cc: stable@vger.kernel.org
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
12 years agoLinux 3.6
Linus Torvalds [Sun, 30 Sep 2012 23:47:46 +0000 (16:47 -0700)]
Linux 3.6

12 years agovfs: dcache: fix deadlock in tree traversal
Miklos Szeredi [Mon, 17 Sep 2012 20:23:30 +0000 (22:23 +0200)]
vfs: dcache: fix deadlock in tree traversal

IBM reported a deadlock in select_parent().  This was found to be caused
by taking rename_lock when already locked when restarting the tree
traversal.

There are two cases when the traversal needs to be restarted:

 1) concurrent d_move(); this can only happen when not already locked,
    since taking rename_lock protects against concurrent d_move().

 2) racing with final d_put() on child just at the moment of ascending
    to parent; rename_lock doesn't protect against this rare race, so it
    can happen when already locked.

Because of case 2, we need to be able to handle restarting the traversal
when rename_lock is already held.  This patch fixes all three callers of
try_to_ascend().

IBM reported that the deadlock is gone with this patch.

[ I rewrote the patch to be smaller and just do the "goto again" if the
  lock was already held, but credit goes to Miklos for the real work.
   - Linus ]

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoMerge tag 'iommu-fixes-v3.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Sat, 29 Sep 2012 17:37:04 +0000 (10:37 -0700)]
Merge tag 'iommu-fixes-v3.6-rc7' of git://git./linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:
 "Two small patches:

* One patch to fix the function declarations for
  !CONFIG_IOMMU_API. This is causing build errors
  in linux-next and should be fixed for v3.6.

* Another patch to fix an IOMMU group related NULL pointer
  dereference."

* tag 'iommu-fixes-v3.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/amd: Fix wrong assumption in iommu-group specific code
  iommu: static inline iommu group stub functions

12 years agoMerge git://git.infradead.org/users/willy/linux-nvme
Linus Torvalds [Sat, 29 Sep 2012 17:31:52 +0000 (10:31 -0700)]
Merge git://git.infradead.org/users/willy/linux-nvme

Pull NVMe driver fixes from Matthew Wilcox:
 "Now that actual hardware has been released (don't have any yet
  myself), people are starting to want some of these fixes merged."

Willy doesn't have hardware? Guys...

* git://git.infradead.org/users/willy/linux-nvme:
  NVMe: Cancel outstanding IOs on queue deletion
  NVMe: Free admin queue memory on initialisation failure
  NVMe: Use ida for nvme device instance
  NVMe: Fix whitespace damage in nvme_init
  NVMe: handle allocation failure in nvme_map_user_pages()
  NVMe: Fix uninitialized iod compiler warning
  NVMe: Do not set IO queue depth beyond device max
  NVMe: Set block queue max sectors
  NVMe: use namespace id for nvme_get_features
  NVMe: replace nvme_ns with nvme_dev for user admin
  NVMe: Fix nvme module init when nvme_major is set
  NVMe: Set request queue logical block size

12 years agomtdchar: fix offset overflow detection
Linus Torvalds [Sat, 8 Sep 2012 19:57:30 +0000 (12:57 -0700)]
mtdchar: fix offset overflow detection

Sasha Levin has been running trinity in a KVM tools guest, and was able
to trigger the BUG_ON() at arch/x86/mm/pat.c:279 (verifying the range of
the memory type).  The call trace showed that it was mtdchar_mmap() that
created an invalid remap_pfn_range().

The problem is that mtdchar_mmap() does various really odd and subtle
things with the vma page offset etc, and uses the wrong types (and the
wrong overflow) detection for it.

For example, the page offset may well be 32-bit on a 32-bit
architecture, but after shifting it up by PAGE_SHIFT, we need to use a
potentially 64-bit resource_size_t to correctly hold the full value.

Also, we need to check that the vma length plus offset doesn't overflow
before we check that it is smaller than the length of the mtdmap region.

This fixes things up and tries to make the code a bit easier to read.

Reported-and-tested-by: Sasha Levin <levinsasha928@gmail.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Acked-by: Artem Bityutskiy <dedekind1@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Fri, 28 Sep 2012 17:09:33 +0000 (10:09 -0700)]
Merge git://git./linux/kernel/git/davem/net

Pull networking fixes from David S Miller:

 1) Netfilter xt_limit module can use uninitialized rules, from Jan
    Engelhardt.

 2) Wei Yongjun has found several more spots where error pointers were
    treated as NULL/non-NULL and vice versa.

 3) bnx2x was converted to pci_io{,un}map() but one remaining plain
    iounmap() got missed.  From Neil Horman.

 4) Due to a fence-post type error in initialization of inetpeer entries
    (which is where we store the ICMP rate limiting information), we can
    erroneously drop ICMPs if the inetpeer was created right around when
    jiffies wraps.

    Fix from Nicolas Dichtel.

 5) smsc75xx resume fix from Steve Glendinnig.

 6) LAN87xx smsc chips need an explicit hardware init, from Marek Vasut.

 7) qlcnic uses msleep() with locks held, fix from Narendra K.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  netdev: octeon: fix return value check in octeon_mgmt_init_phy()
  inetpeer: fix token initialization
  qlcnic: Fix scheduling while atomic bug
  bnx2: Clean up remaining iounmap
  net: phy: smsc: Implement PHY config_init for LAN87xx
  smsc75xx: fix resume after device reset
  netdev: pasemi: fix return value check in pasemi_mac_phy_init()
  team: fix return value check
  l2tp: fix return value check
  netfilter: xt_limit: have r->cost != 0 case work

12 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Linus Torvalds [Fri, 28 Sep 2012 17:02:53 +0000 (10:02 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/viro/vfs

Pull vfs fixes from Al Viro:
 "A couple of fixes; one for automount/lazy umount race, another a
  classic "we don't protect the refcount transition to zero with the
  lock that protects looking for object in hash" kind of crap in lockd."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  close the race in nlmsvc_free_block()
  do_add_mount()/umount -l races

12 years agoMerge branch 'for-linus-3.6-rc-final' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 28 Sep 2012 17:00:52 +0000 (10:00 -0700)]
Merge branch 'for-linus-3.6-rc-final' of git://git./linux/kernel/git/rw/uml

Pull UML fixes from Richard Weinberger.

* 'for-linus-3.6-rc-final' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
  um: Preinclude include/linux/kern_levels.h
  um: Fix IPC on um
  um: kill thread->forking
  um: let signal_delivered() do SIGTRAP on singlestepping into handler
  um: don't leak floating point state and segment registers on execve()
  um: take cleaning singlestep to start_thread()

12 years agoMerge tag 'dm-3.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm
Linus Torvalds [Fri, 28 Sep 2012 17:00:01 +0000 (10:00 -0700)]
Merge tag 'dm-3.6-fixes' of git://git./linux/kernel/git/agk/linux-dm

Pull dm fixes from Alasdair G Kergon:
 "A few fixes for problems discovered during the 3.6 cycle.

  Of particular note, are fixes to the thin target's discard support,
  which I hope is finally working correctly; and fixes for multipath
  ioctls and device limits when there are no paths."

* tag 'dm-3.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm:
  dm verity: fix overflow check
  dm thin: fix discard support for data devices
  dm thin: tidy discard support
  dm: retain table limits when swapping to new table with no devices
  dm table: clear add_random unless all devices have it set
  dm: handle requests beyond end of device instead of using BUG_ON
  dm mpath: only retry ioctl when no paths if queue_if_no_path set
  dm thin: do not set discard_zeroes_data

12 years agothp: avoid VM_BUG_ON page_count(page) false positives in __collapse_huge_page_copy
Andrea Arcangeli [Fri, 28 Sep 2012 12:35:31 +0000 (14:35 +0200)]
thp: avoid VM_BUG_ON page_count(page) false positives in __collapse_huge_page_copy

Speculative cache pagecache lookups can elevate the refcount from
under us, so avoid the false positive. If the refcount is < 2 we'll be
notified by a VM_BUG_ON in put_page_testzero as there are two
put_page(src_page) in a row before returning from this function.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Petr Holasek <pholasek@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoiommu/amd: Fix wrong assumption in iommu-group specific code
Joerg Roedel [Fri, 28 Sep 2012 14:14:44 +0000 (16:14 +0200)]
iommu/amd: Fix wrong assumption in iommu-group specific code

The new IOMMU groups code in the AMD IOMMU driver makes the
assumption that there is a pci_dev struct available for all
device-ids listed in the IVRS ACPI table. Unfortunatly this
assumption is not true and so this code causes a NULL
pointer dereference at boot on some systems.

Fix it by making sure the given pointer is never NULL when
passed to the group specific code. The real fix is larger
and will be queued for v3.7.

Reported-by: Florian Dazinger <florian@dazinger.net>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
12 years agonetdev: octeon: fix return value check in octeon_mgmt_init_phy()
Wei Yongjun [Thu, 27 Sep 2012 19:04:21 +0000 (19:04 +0000)]
netdev: octeon: fix return value check in octeon_mgmt_init_phy()

In case of error, the function of_phy_connect() returns NULL
pointer not ERR_PTR(). The IS_ERR() test in the return value
check should be replaced with NULL test.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Thu, 27 Sep 2012 23:51:14 +0000 (16:51 -0700)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "The three nouveau fixes quiten unneeded dmesg spam that people are
   seeing and pondering,

  The udl fix stops it from trying to driver monitors that are too big,
  where we get a black screen.

  And a vmware memory alloc problem."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/nvc0/fifo: ignore bits in PFIFO_INTR that aren't set in PFIFO_INTR_EN
  drm/udl: limit modes to the sku pixel limits.
  vmwgfx: corruption in vmw_event_fence_action_create()
  drm/nvc0/ltcg: mask off intr 0x10
  drm/nouveau: silence a debug message triggered by newer userspace

12 years agoMerge tag 'usb-3.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Linus Torvalds [Thu, 27 Sep 2012 23:49:15 +0000 (16:49 -0700)]
Merge tag 'usb-3.6-rc7' of git://git./linux/kernel/git/gregkh/usb

Pull USB fixes from Greg Kroah-Hartman:
 "Here are two USB bugfixes for your 3.6-rc7 tree.

  The OHCI fix has been reported a number of times and is a regression
  from 3.5, and the patch that causes the regression was on the way to
  the -stable trees before I was reminded (again) that this fix needed
  to get to your tree soon.

  The host controller bugfix was reported in older kernels as being
  pretty easy to trigger, and has been tested by Red Hat and their
  customers.

  Both have been in the usb-next branch in the -next tree for a while
  now, I just cherry-picked them out to get to you in time for the 3.6
  release.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'usb-3.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  USB: Fix race condition when removing host controllers
  USB: ohci-at91: fix null pointer in ohci_hcd_at91_overcurrent_irq

12 years agoALSA: snd-usb: fix next_packet_size calls for pause case
Daniel Mack [Thu, 27 Sep 2012 08:26:01 +0000 (10:26 +0200)]
ALSA: snd-usb: fix next_packet_size calls for pause case

Also fix the calls to next_packet_size() for the pause case. This was
missed in 245baf983 ("ALSA: snd-usb: fix calls to next_packet_size").

Signed-off-by: Daniel Mack <zonque@gmail.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Reported-and-tested-by: Christian Tefzer <ctrefzer@gmx.de>
Cc: stable@kernel.org
[ Taking directly because Takashi is on vacation  - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoMerge tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound
Linus Torvalds [Thu, 27 Sep 2012 23:42:35 +0000 (16:42 -0700)]
Merge tag 'asoc-3.6' of git://git./linux/kernel/git/broonie/sound

Pull ASoC update from Mark Brown:
 "One small and obvious driver-specific fix.

  Takashi is on vacation now so he asked me to send directly, it's a
  pretty bad bug with low regression risk."

* tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound:
  ASoC: wm2000: Correct register size

12 years agoinetpeer: fix token initialization
Nicolas Dichtel [Thu, 27 Sep 2012 04:11:00 +0000 (04:11 +0000)]
inetpeer: fix token initialization

When jiffies wraps around (for example, 5 minutes after the boot, see
INITIAL_JIFFIES) and peer has just been created, now - peer->rate_last can be
< XRLIM_BURST_FACTOR * timeout, so token is not set to the maximum value, thus
some icmp packets can be unexpectedly dropped.

Fix this case by initializing last_rate to 60 seconds in the past.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoqlcnic: Fix scheduling while atomic bug
Narendra K [Tue, 25 Sep 2012 07:53:19 +0000 (07:53 +0000)]
qlcnic: Fix scheduling while atomic bug

In the device close path, 'qlcnic_fw_destroy_ctx' and
'qlcnic_poll_rsp' call msleep. But  'qlcnic_fw_destroy_ctx' and
'qlcnic_poll_rsp' are called with 'adapter->tx_clean_lock' spin lock
held resulting in scheduling while atomic bug causing the following
trace.

I observed that the commit 012dc19a45b2b9cc2ebd14aaa401cf782c2abba4
from John Fastabend addresses a similar issue in ixgbevf driver.
Adopting the same approach used in the commit, this patch uses mdelay
to address the issue.

[79884.999115] BUG: scheduling while atomic: ip/30846/0x00000002
[79885.005562] INFO: lockdep is turned off.
[79885.009958] Modules linked in: qlcnic fuse nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE bnep bluetooth rfkill ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables iptable_nat nf_nat iptable_mangle ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables dcdbas coretemp kvm_intel kvm iTCO_wdt ixgbe iTCO_vendor_support crc32c_intel ghash_clmulni_intel nfsd microcode sb_edac pcspkr edac_core dca bnx2x shpchp auth_rpcgss nfs_acl lpc_ich mfd_core mdio lockd libcrc32c wmi acpi_pad acpi_power_meter sunrpc uinput sd_mod sr_mod cdrom crc_t10dif ahci libahci libata megaraid_sas usb_storage dm_mirror dm_region_hash dm_log dm_mod [last unloaded: qlcnic]
[79885.083608] Pid: 30846, comm: ip Tainted: G        W  O 3.6.0-rc7+ #1
[79885.090805] Call Trace:
[79885.093569]  [<ffffffff816764d8>] __schedule_bug+0x68/0x76
[79885.099699]  [<ffffffff8168358e>] __schedule+0x99e/0xa00
[79885.105634]  [<ffffffff81683929>] schedule+0x29/0x70
[79885.111186]  [<ffffffff81680def>] schedule_timeout+0x16f/0x350
[79885.117724]  [<ffffffff811afb7a>] ? init_object+0x4a/0x90
[79885.123770]  [<ffffffff8107c190>] ? __internal_add_timer+0x140/0x140
[79885.130873]  [<ffffffff81680fee>] schedule_timeout_uninterruptible+0x1e/0x20
[79885.138773]  [<ffffffff8107e830>] msleep+0x20/0x30
[79885.144159]  [<ffffffffa04c7fbf>] qlcnic_issue_cmd+0xef/0x290 [qlcnic]
[79885.151478]  [<ffffffffa04c8265>] qlcnic_fw_cmd_destroy_rx_ctx+0x55/0x90 [qlcnic]
[79885.159868]  [<ffffffffa04c92fd>] qlcnic_fw_destroy_ctx+0x2d/0xa0 [qlcnic]
[79885.167576]  [<ffffffffa04bf2ed>] __qlcnic_down+0x11d/0x180 [qlcnic]
[79885.174708]  [<ffffffffa04bf6f8>] qlcnic_close+0x18/0x20 [qlcnic]
[79885.181547]  [<ffffffff8153b4c5>] __dev_close_many+0x95/0xe0
[79885.187899]  [<ffffffff8153b548>] __dev_close+0x38/0x50
[79885.193761]  [<ffffffff81545101>] __dev_change_flags+0xa1/0x180
[79885.200419]  [<ffffffff81545298>] dev_change_flags+0x28/0x70
[79885.206779]  [<ffffffff815531b8>] do_setlink+0x378/0xa00
[79885.212731]  [<ffffffff81354fe1>] ? nla_parse+0x31/0xe0
[79885.218612]  [<ffffffff815558ee>] rtnl_newlink+0x37e/0x560
[79885.224768]  [<ffffffff812cfa19>] ? selinux_capable+0x39/0x50
[79885.231217]  [<ffffffff812cbf98>] ? security_capable+0x18/0x20
[79885.237765]  [<ffffffff81555114>] rtnetlink_rcv_msg+0x114/0x2f0
[79885.244412]  [<ffffffff81551f87>] ? rtnl_lock+0x17/0x20
[79885.250280]  [<ffffffff81551f87>] ? rtnl_lock+0x17/0x20
[79885.256148]  [<ffffffff81555000>] ? __rtnl_unlock+0x20/0x20
[79885.262413]  [<ffffffff81570fc1>] netlink_rcv_skb+0xa1/0xb0
[79885.268661]  [<ffffffff81551fb5>] rtnetlink_rcv+0x25/0x40
[79885.274727]  [<ffffffff815708bd>] netlink_unicast+0x19d/0x220
[79885.281146]  [<ffffffff81570c45>] netlink_sendmsg+0x305/0x3f0
[79885.287595]  [<ffffffff8152b188>] ? sock_update_classid+0x148/0x2e0
[79885.294650]  [<ffffffff81525c2c>] sock_sendmsg+0xbc/0xf0
[79885.300600]  [<ffffffff8152600c>] __sys_sendmsg+0x3ac/0x3c0
[79885.306853]  [<ffffffff8109be23>] ? up_read+0x23/0x40
[79885.312510]  [<ffffffff816896cc>] ? do_page_fault+0x2bc/0x570
[79885.318968]  [<ffffffff81191854>] ? sys_brk+0x44/0x150
[79885.324715]  [<ffffffff811c458c>] ? fget_light+0x24c/0x520
[79885.330875]  [<ffffffff815286f9>] sys_sendmsg+0x49/0x90
[79885.336707]  [<ffffffff8168e429>] system_call_fastpath+0x16/0x1b

Signed-off-by: Narendra K <narendra_k@dell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agobnx2: Clean up remaining iounmap
Neil Horman [Wed, 26 Sep 2012 07:22:02 +0000 (07:22 +0000)]
bnx2: Clean up remaining iounmap

commit c0357e975afdbbedab5c662d19bef865f02adc17 modified bnx2 to switch from
using ioremap/iounmap to pci_iomap/pci_iounmap.  They missed a spot in the error
path of bnx2_init_one though.  This patch just cleans that up.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Michael Chan <mcan@broadcom.com>
CC: "David S. Miller" <davem@davemloft.net>
Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoMerge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...
Linus Torvalds [Thu, 27 Sep 2012 22:47:24 +0000 (15:47 -0700)]
Merge tag 'fixes-for-linus' of git://git./linux/kernel/git/arm/arm-soc

Pull one more arm-soc bugfix from Olof Johansson:
 "Here's a bugfix for orion5x.  Without this, PCI doesn't initialize
  properly because of too small coherent pool to cover the allocations
  needed.

  A similar fix has already been done on kirkwood."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: Orion5x: Fix too small coherent pool.