9 years agoMerge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
David S. Miller [Sun, 11 Apr 2010 21:53:53 +0000]
Merge branch 'master' of /linux/kernel/git/davem/net-2.6

Conflicts:
drivers/net/stmmac/stmmac_main.c
drivers/net/wireless/wl12xx/wl1271_cmd.c
drivers/net/wireless/wl12xx/wl1271_main.c
drivers/net/wireless/wl12xx/wl1271_spi.c
net/core/ethtool.c
net/mac80211/scan.c

9 years agoMerge branch 'master' of /home/davem/src/GIT/linux-2.6/
David S. Miller [Sun, 11 Apr 2010 09:44:30 +0000]
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

9 years agoRevert "tcp: Set CHECKSUM_UNNECESSARY in tcp_init_nondata_skb"
David S. Miller [Sun, 11 Apr 2010 09:40:49 +0000]
Revert "tcp: Set CHECKSUM_UNNECESSARY in tcp_init_nondata_skb"

This reverts commit 2626419ad5be1a054d350786b684b41d23de1538.

It causes regressions for people with IGB cards.  Connection
requests don't complete etc.  The true cause of the issue is
still not known, but we should sort this out in net-next-2.6
not net-2.6

Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...
Linus Torvalds [Fri, 9 Apr 2010 18:53:06 +0000]
Merge branch 'for-linus' of git://git./linux/kernel/git/roland/infiniband

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  IB/mlx4: Check correct variable for allocation failure
  RDMA/nes: Correct cap.max_inline_data assignment in nes_query_qp()
  RDMA/cm: Set num_paths when manually assigning path records
  IB/cm: Fix device_create() return value check

9 years agoMerge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
Linus Torvalds [Fri, 9 Apr 2010 18:52:48 +0000]
Merge branch 'for-linus' of git://git390.marist.edu/linux-2.6

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] Update default configuration.
  [S390] nss: add missing .previous statement to asm function
  [S390] increase default size of vmalloc area
  [S390] s390: disable change bit override
  [S390] fix io_return critical section cleanup
  [S390] sclp_async: potential buffer overflow
  [S390] arch/s390/kernel: Add missing unlock

9 years agoMerge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
Linus Torvalds [Fri, 9 Apr 2010 18:50:29 +0000]
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block

* 'for-linus' of git://git.kernel.dk/linux-2.6-block: (34 commits)
  cfq-iosched: Fix the incorrect timeslice accounting with forced_dispatch
  loop: Update mtime when writing using aops
  block: expose the statistics in blkio.time and blkio.sectors for the root cgroup
  backing-dev: Handle class_create() failure
  Block: Fix block/elevator.c elevator_get() off-by-one error
  drbd: lc_element_by_index() never returns NULL
  cciss: unlock on error path
  cfq-iosched: Do not merge queues of BE and IDLE classes
  cfq-iosched: Add additional blktrace log messages in CFQ for easier debugging
  i2o: Remove the dangerous kobj_to_i2o_device macro
  block: remove 16 bytes of padding from struct request on 64bits
  cfq-iosched: fix a kbuild regression
  block: make CONFIG_BLK_CGROUP visible
  Remove GENHD_FL_DRIVERFS
  block: Export max number of segments and max segment size in sysfs
  block: Finalize conversion of block limits functions
  block: Fix overrun in lcm() and move it to lib
  vfs: improve writeback_inodes_wb()
  paride: fix off-by-one test
  drbd: fix al-to-on-disk-bitmap for 4k logical_block_size
  ...

9 years agoMerge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
Linus Torvalds [Fri, 9 Apr 2010 18:50:01 +0000]
Merge branch 'drm-linus' of git://git./linux/kernel/git/airlied/drm-2.6

* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (29 commits)
  drm/nouveau: bail out of auxch transaction if we repeatedly recieve defers
  drm/nv50: implement gpio set/get routines
  drm/nv50: parse/use some more de-magiced parts of gpio table entries
  drm/nouveau: store raw gpio table entry in bios gpio structs
  drm/nv40: Init some tiling-related PGRAPH state.
  drm/nv50: Add NVA3 support in ctxprog/ctxvals generator.
  drm/nv50: another dodgy DP hack
  drm/nv50: punt hotplug irq handling out to workqueue
  drm/nv50: preserve an unknown SOR_MODECTRL value for DP encoders
  drm/nv50: Allow using the NVA3 new compute class.
  drm/nv50: cleanup properly if PDISPLAY init fails
  drm/nouveau: fixup the init failure paths some more
  drm/nv50: fix instmem init on IGPs if stolen mem crosses 4GiB mark
  drm/nv40: add LVDS table quirk for Dell Latitude D620
  drm/nv40: rework lvds table parsing
  drm/nouveau: detect vram amount once, and save the value
  drm/nouveau: remove some unused members from drm_nouveau_private
  drm/nouveau: Make use of TTM busy_placements.
  drm/nv50: add more 0x100c80 flushy magic
  drm/nv50: fix fbcon when framebuffer above 4GiB mark
  ...

9 years agoradix_tree_tag_get() is not as safe as the docs make out [ver #2]
David Howells [Tue, 6 Apr 2010 21:36:20 +0000]
radix_tree_tag_get() is not as safe as the docs make out [ver #2]

radix_tree_tag_get() is not safe to use concurrently with radix_tree_tag_set()
or radix_tree_tag_clear().  The problem is that the double tag_get() in
radix_tree_tag_get():

if (!tag_get(node, tag, offset))
saw_unset_tag = 1;
if (height == 1) {
int ret = tag_get(node, tag, offset);

may see the value change due to the action of set/clear.  RCU is no protection
against this as no pointers are being changed, no nodes are being replaced
according to a COW protocol - set/clear alter the node directly.

The documentation in linux/radix-tree.h, however, says that
radix_tree_tag_get() is an exception to the rule that "any function modifying
the tree or tags (...) must exclude other modifications, and exclude any
functions reading the tree".

The problem is that the next statement in radix_tree_tag_get() checks that the
tag doesn't vary over time:

BUG_ON(ret && saw_unset_tag);

This has been seen happening in FS-Cache:

https://www.redhat.com/archives/linux-cachefs/2010-April/msg00013.html

To this end, remove the BUG_ON() from radix_tree_tag_get() and note in various
comments that the value of the tag may change whilst the RCU read lock is held,
and thus that the return value of radix_tree_tag_get() may not be relied upon
unless radix_tree_tag_set/clear() and radix_tree_delete() are excluded from
running concurrently with it.

Reported-by: Romain DEGEZ <romain.degez@smartjog.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

9 years agoslub: Fix kmem_ptr_validate() for non-kernel pointers
Pekka Enberg [Wed, 7 Apr 2010 16:23:41 +0000]
slub: Fix kmem_ptr_validate() for non-kernel pointers

As suggested by Linus, fix up kmem_ptr_validate() to handle non-kernel pointers
more graciously. The patch changes kmem_ptr_validate() to use the newly
introduced kern_ptr_validate() helper to check that a pointer is a valid kernel
pointer before we attempt to convert it into a 'struct page'.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Nick Piggin <npiggin@suse.de>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

9 years agoslab: Generify kernel pointer validation
Pekka Enberg [Wed, 7 Apr 2010 16:23:40 +0000]
slab: Generify kernel pointer validation

As suggested by Linus, introduce a kern_ptr_validate() helper that does some
sanity checks to make sure a pointer is a valid kernel pointer.  This is a
preparational step for fixing SLUB kmem_ptr_validate().

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Nick Piggin <npiggin@suse.de>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

9 years agoRevert "memory-hotplug: add 0x prefix to HEX block_size_bytes"
Linus Torvalds [Fri, 9 Apr 2010 17:05:33 +0000]
Revert "memory-hotplug: add 0x prefix to HEX block_size_bytes"

This reverts commit ba168fc37dea145deeb8fa9e7e71c748d2e00d74.

It changes user-visible sysfs interfaces, and breaks some existing user
space applications which apparently rely on the fact that the output
does not contain the "0x" prefix.

Requested-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

9 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
David S. Miller [Fri, 9 Apr 2010 17:03:35 +0000]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-2.6

9 years agoMerge branches 'cma', 'misc', 'mlx4' and 'nes' into for-linus
Roland Dreier [Fri, 9 Apr 2010 16:14:21 +0000]
Merge branches 'cma', 'misc', 'mlx4' and 'nes' into for-linus

9 years ago[S390] Update default configuration.
Martin Schwidefsky [Fri, 9 Apr 2010 11:43:04 +0000]
[S390] Update default configuration.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

9 years ago[S390] nss: add missing .previous statement to asm function
Heiko Carstens [Fri, 9 Apr 2010 11:43:03 +0000]
[S390] nss: add missing .previous statement to asm function

The savesys_ipl_nss asm function is put into the .init.text section
however it is missing a ".previous" section which would restore the
previous section.
Luckily all functions in early.c are init functions so it doesn't
matter currently.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

9 years ago[S390] increase default size of vmalloc area
Martin Schwidefsky [Fri, 9 Apr 2010 11:43:02 +0000]
[S390] increase default size of vmalloc area

The default size of the vmalloc area is currently 1 GB. The memory resource
controller uses about 10 MB of vmalloc space per gigabyte of memory. That
turns a system with more than ~100 GB memory unbootable with the default
vmalloc size. It costs us nothing to increase the default size to some
more adequate value, e.g. 128 GB.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

9 years ago[S390] s390: disable change bit override
Christian Borntraeger [Fri, 9 Apr 2010 11:43:01 +0000]
[S390] s390: disable change bit override

commit 6a985c6194017de2c062916ad1cd00dee0302c40
([S390] s390: use change recording override for kernel mapping)
deactivated the change bit recording for the kernel mapping to
improve the performance. This works most of the time, but there
are cases (e.g. kernel runs in home space, futex atomic compare xcmg)
where we modify user memory with the kernel mapping instead of the
user mapping.
Instead of fixing these cases, this patch just deactivates change bit
override to avoid future problems with other kernel code that might
use the kernel mapping for user memory.

CC: stable@kernel.org
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

9 years ago[S390] fix io_return critical section cleanup
Martin Schwidefsky [Fri, 9 Apr 2010 11:43:00 +0000]
[S390] fix io_return critical section cleanup

If a machine check interrupts the io interrupt handler on one of the
instructions between io_return and io_leave the critical section
cleanup code will move the return psw to io_work_loop. By doing that
the switch from the asynchronous interrupt stack to the process stack
is skipped. If e.g. TIF_NEED_RESCHED is set things break because
the scheduler is called with the asynchronous interrupts stack.
Moving the psw back to io_return instead fixes the problem.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

9 years ago[S390] sclp_async: potential buffer overflow
Dan Carpenter [Fri, 9 Apr 2010 11:42:59 +0000]
[S390] sclp_async: potential buffer overflow

"len" hasn't been properly range checked so we shouldn't use it as an
array offset.  This can only be written to by root but it would still be
annoying to accidentally write more than 3 characters and corrupt your
memory.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

9 years ago[S390] arch/s390/kernel: Add missing unlock
Julia Lawall [Fri, 9 Apr 2010 11:42:58 +0000]
[S390] arch/s390/kernel: Add missing unlock

In the default case the lock is not unlocked.  The return is
converted to a goto, to share the unlock at the end of the function.

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

// <smpl>
@r exists@
expression E1;
identifier f;
@@

f (...) { <+...
* spin_lock_irq (E1,...);
... when != E1
* return ...;
...+> }
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

9 years agocfq-iosched: Fix the incorrect timeslice accounting with forced_dispatch
Divyesh Shah [Fri, 9 Apr 2010 07:29:57 +0000]
cfq-iosched: Fix the incorrect timeslice accounting with forced_dispatch

When CFQ dispatches requests forcefully due to a barrier or changing iosched,
it runs through all cfqq's dispatching requests and then expires each queue.
However, it does not activate a cfqq before flushing its IOs resulting in
using stale values for computing slice_used.
This patch fixes it by calling activate queue before flushing reuqests from
each queue.

This is useful mostly for barrier requests because when the iosched is changing
it really doesnt matter if we have incorrect accounting since we're going to
break down all structures anyway.

We also now expire the current timeslice before moving on with the dispatch
to accurately account slice used for that cfqq.

Signed-off-by: Divyesh Shah<dpshah@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

9 years agoMerge remote branch 'nouveau/for-airlied' of ../drm-nouveau-next into drm-linus
Dave Airlie [Fri, 9 Apr 2010 04:27:51 +0000]
Merge remote branch 'nouveau/for-airlied' of ../drm-nouveau-next into drm-linus

* 'nouveau/for-airlied' of ../drm-nouveau-next: (21 commits)
  drm/nouveau: bail out of auxch transaction if we repeatedly recieve defers
  drm/nv50: implement gpio set/get routines
  drm/nv50: parse/use some more de-magiced parts of gpio table entries
  drm/nouveau: store raw gpio table entry in bios gpio structs
  drm/nv40: Init some tiling-related PGRAPH state.
  drm/nv50: Add NVA3 support in ctxprog/ctxvals generator.
  drm/nv50: another dodgy DP hack
  drm/nv50: punt hotplug irq handling out to workqueue
  drm/nv50: preserve an unknown SOR_MODECTRL value for DP encoders
  drm/nv50: Allow using the NVA3 new compute class.
  drm/nv50: cleanup properly if PDISPLAY init fails
  drm/nouveau: fixup the init failure paths some more
  drm/nv50: fix instmem init on IGPs if stolen mem crosses 4GiB mark
  drm/nv40: add LVDS table quirk for Dell Latitude D620
  drm/nv40: rework lvds table parsing
  drm/nouveau: detect vram amount once, and save the value
  drm/nouveau: remove some unused members from drm_nouveau_private
  drm/nouveau: Make use of TTM busy_placements.
  drm/nv50: add more 0x100c80 flushy magic
  drm/nv50: fix fbcon when framebuffer above 4GiB mark
  ...

9 years agodrm/nouveau: bail out of auxch transaction if we repeatedly recieve defers
Ben Skeggs [Mon, 15 Mar 2010 22:45:07 +0000]
drm/nouveau: bail out of auxch transaction if we repeatedly recieve defers

There's one known case where we never stop recieving DEFER, and loop here
forever.  Lets not do that..

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv50: implement gpio set/get routines
Ben Skeggs [Wed, 7 Apr 2010 02:57:35 +0000]
drm/nv50: implement gpio set/get routines

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv50: parse/use some more de-magiced parts of gpio table entries
Ben Skeggs [Wed, 7 Apr 2010 02:05:32 +0000]
drm/nv50: parse/use some more de-magiced parts of gpio table entries

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nouveau: store raw gpio table entry in bios gpio structs
Ben Skeggs [Wed, 7 Apr 2010 02:00:14 +0000]
drm/nouveau: store raw gpio table entry in bios gpio structs

And use our own version of the GPIO table for the INIT_GPIO opcode.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv40: Init some tiling-related PGRAPH state.
Francisco Jerez [Tue, 6 Apr 2010 19:11:58 +0000]
drm/nv40: Init some tiling-related PGRAPH state.

Fixes garbled 3D on an nv46 card.

Reported-by: Francesco Marella <francesco.marella@gmail.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv50: Add NVA3 support in ctxprog/ctxvals generator.
Marcin Kościelnicki [Fri, 2 Apr 2010 10:28:18 +0000]
drm/nv50: Add NVA3 support in ctxprog/ctxvals generator.

Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv50: another dodgy DP hack
Ben Skeggs [Tue, 30 Mar 2010 06:01:41 +0000]
drm/nv50: another dodgy DP hack

Allows *some* DP cards to keep working in some corner cases that most
people shouldn't hit.  I hit it all the time with development, so this
can stay for now.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv50: punt hotplug irq handling out to workqueue
Ben Skeggs [Tue, 30 Mar 2010 05:14:41 +0000]
drm/nv50: punt hotplug irq handling out to workqueue

On DP outputs we'll likely end up running vbios init tables here, which
may sleep.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv50: preserve an unknown SOR_MODECTRL value for DP encoders
Ben Skeggs [Mon, 29 Mar 2010 00:06:09 +0000]
drm/nv50: preserve an unknown SOR_MODECTRL value for DP encoders

This value interacts with some registers we don't currently know how to
program properly ourselves.  The default of 5 that we were using matches
what the VBIOS on early DP cards do, but later ones use 6, which would
cause nouveau to program an incorrect mode on these chips.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv50: Allow using the NVA3 new compute class.
Marcin Kościelnicki [Wed, 24 Mar 2010 13:43:16 +0000]
drm/nv50: Allow using the NVA3 new compute class.

Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv50: cleanup properly if PDISPLAY init fails
Ben Skeggs [Thu, 25 Mar 2010 06:01:04 +0000]
drm/nv50: cleanup properly if PDISPLAY init fails

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nouveau: fixup the init failure paths some more
Ben Skeggs [Thu, 25 Mar 2010 06:00:09 +0000]
drm/nouveau: fixup the init failure paths some more

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv50: fix instmem init on IGPs if stolen mem crosses 4GiB mark
Ben Skeggs [Fri, 19 Mar 2010 02:49:59 +0000]
drm/nv50: fix instmem init on IGPs if stolen mem crosses 4GiB mark

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv40: add LVDS table quirk for Dell Latitude D620
Ben Skeggs [Thu, 18 Mar 2010 03:38:04 +0000]
drm/nv40: add LVDS table quirk for Dell Latitude D620

Should fix:
 https://bugzilla.redhat.com/show_bug.cgi?id=505132
 https://bugzilla.redhat.com/show_bug.cgi?id=543091
 https://bugzilla.redhat.com/show_bug.cgi?id=530425
 https://bugs.edge.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/
 +bug/539730

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv40: rework lvds table parsing
Ben Skeggs [Thu, 18 Mar 2010 02:05:43 +0000]
drm/nv40: rework lvds table parsing

All indications seem to be that the version 0x30 table should be handled
the same way as 0x40 (as used on G80), at least for the parts that we
currently try use.

This commit cleans up the parsing to make it clearer about what we're
actually trying to achieve, and unifies the 0x30/0x40 parsing.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nouveau: detect vram amount once, and save the value
Ben Skeggs [Wed, 17 Mar 2010 23:45:20 +0000]
drm/nouveau: detect vram amount once, and save the value

As opposed to repeatedly reading the amount back from the GPU every
time we need to know the VRAM size.

We should now fail to load gracefully on detecting no VRAM, rather than
something potentially messy happening.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nouveau: remove some unused members from drm_nouveau_private
Ben Skeggs [Wed, 17 Mar 2010 23:23:19 +0000]
drm/nouveau: remove some unused members from drm_nouveau_private

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nouveau: Make use of TTM busy_placements.
Francisco Jerez [Thu, 18 Mar 2010 12:07:47 +0000]
drm/nouveau: Make use of TTM busy_placements.

Previously we were filling it the same as "placements", but in some
cases there're valid alternatives that we were ignoring completely.
Keeping a back-up memory type helps on several low-mem situations.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv50: add more 0x100c80 flushy magic
Ben Skeggs [Mon, 15 Mar 2010 06:43:47 +0000]
drm/nv50: add more 0x100c80 flushy magic

Fixes the !vbo_fifo path in the 3D driver on certain chipsets.  Still not
really any good idea of what exactly the magic achieves, but it makes
things work.

While we're at it, in the PCIEGART path, flush on unbinding also.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv50: fix fbcon when framebuffer above 4GiB mark
Ben Skeggs [Tue, 16 Mar 2010 03:20:58 +0000]
drm/nv50: fix fbcon when framebuffer above 4GiB mark

This can't actually happen right now, but lets fix it anyway.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agodrm/nv50: Fix NEWCTX_DONE flag number
Marcin Kościelnicki [Wed, 17 Mar 2010 00:58:47 +0000]
drm/nv50: Fix NEWCTX_DONE flag number

Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

9 years agoiwlwifi: need check for valid qos packet before free
Wey-Yi Guy [Thu, 8 Apr 2010 20:17:37 +0000]
iwlwifi: need check for valid qos packet before free

For 4965, need to check it is valid qos frame before free, only valid
QoS frame has the tid used to free the packets.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

9 years agoloop: Update mtime when writing using aops
Nikanth Karthikesan [Thu, 8 Apr 2010 19:39:31 +0000]
loop: Update mtime when writing using aops

Update mtime when writing to backing filesystem using the address space
operations write_begin and write_end.

Signed-off-by: Nikanth Karthikesan <knikanth@suse.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

9 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
Linus Torvalds [Thu, 8 Apr 2010 18:58:14 +0000]
Merge git://git./linux/kernel/git/sfrench/cifs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  not overwriting file_lock structure after GET_LK
  cifs: Fix a kernel BUG with remote OS/2 server (try #3)
  [CIFS] initialize nbytes at the beginning of CIFSSMBWrite()
  [CIFS] Add mmap for direct, nobrl cifs mount types

9 years agotcp: Set CHECKSUM_UNNECESSARY in tcp_init_nondata_skb
David S. Miller [Thu, 8 Apr 2010 18:32:30 +0000]
tcp: Set CHECKSUM_UNNECESSARY in tcp_init_nondata_skb

Back in commit 04a0551c87363f100b04d28d7a15a632b70e18e7
("loopback: Drop obsolete ip_summed setting") we stopped
setting CHECKSUM_UNNECESSARY in the loopback xmit.

This is because such a setting was a lie since it implies that the
checksum field of the packet is properly filled in.

Instead what happens normally is that CHECKSUM_PARTIAL is set and
skb->csum is calculated as needed.

But this was only happening for TCP data packets (via the
skb->ip_summed assignment done in tcp_sendmsg()).  It doesn't
happen for non-data packets like ACKs etc.

Fix this by setting skb->ip_summed in the common non-data packet
constructor.  It already is setting skb->csum to zero.

But this reminds us that we still have things like ip_output.c's
ip_dev_loopback_xmit() which sets skb->ip_summed to the value
CHECKSUM_UNNECESSARY, which Herbert's patch teaches us is not
valid.  So we'll have to address that at some point too.

Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agoudp: fix for unicast RX path optimization
Jorge Boncompte [DTI2] [Thu, 8 Apr 2010 04:56:48 +0000]
udp: fix for unicast RX path optimization

Commits 5051ebd275de672b807c28d93002c2fb0514a3c9 and
5051ebd275de672b807c28d93002c2fb0514a3c9 ("ipv[46]: udp: optimize unicast RX
path") broke some programs.

After upgrading a L2TP server to 2.6.33 it started to fail, tunnels going up an
down, after the 10th tunnel came up. My modified rp-l2tp uses a global
unconnected socket bound to (INADDR_ANY, 1701) and one connected socket per
tunnel after parameter negotiation.

After ten sockets were open and due to mixed parameters to
udp[46]_lib_lookup2() kernel started to drop packets.

Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agoxfrm: Fix crashes in xfrm_lookup()
Timo Teräs [Thu, 8 Apr 2010 18:27:42 +0000]
xfrm: Fix crashes in xfrm_lookup()

From: Timo Teräs <timo.teras@iki.fi>

Happens because CONFIG_XFRM_SUB_POLICY is not enabled, and one of
the helper functions I used did unexpected things in that case.

Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agoMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzi...
Linus Torvalds [Thu, 8 Apr 2010 17:02:02 +0000]
Merge branch 'upstream-linus' of git://git./linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  libata: Fix accesses at LBA28 boundary (old bug, but nasty) (v2)

9 years agolibata: Fix accesses at LBA28 boundary (old bug, but nasty) (v2)
Mark Lord [Wed, 7 Apr 2010 17:52:08 +0000]
libata: Fix accesses at LBA28 boundary (old bug, but nasty) (v2)

Most drives from Seagate, Hitachi, and possibly other brands,
do not allow LBA28 access to sector number 0x0fffffff (2^28 - 1).
So instead use LBA48 for such accesses.

This bug could bite a lot of systems, especially when the user has
taken care to align partitions to 4KB boundaries. On misaligned systems,
it is less likely to be encountered, since a 4KB read would end at
0x10000000 rather than at 0x0fffffff.

Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

9 years agoMerge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Thu, 8 Apr 2010 15:37:05 +0000]
Merge branch 'sched-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  sched: Fix sched_getaffinity()

9 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6
Linus Torvalds [Thu, 8 Apr 2010 14:45:36 +0000]
Merge git://git./linux/kernel/git/davem/ide-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6:
  ide: Fix IDE taskfile with cfq scheduler
  ide: Must hold queue lock when requeueing
  ide: Requeue request after DMA timeout

9 years agoMerge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux...
Linus Torvalds [Thu, 8 Apr 2010 14:44:53 +0000]
Merge branch 'release' of git://git./linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  ACPI / PM: Move ACPI video resume to a PM notifier
  ACPI: Reduce ACPI resource conflict message to KERN_WARNING, printk cleanup
  ACPI: battery drivers should call power_supply_changed()
  ACPI: battery: Fix CONFIG_ACPI_SYSFS_POWER=n
  PNPACPI: truncate _CRS windows with _LEN > _MAX - _MIN + 1
  ACPI: Don't send KEY_UNKNOWN for random video notifications
  ACPI: NUMA: map pxms to low node ids
  ACPI: use _HID when supplied by root-level devices
  ACPI / ACPICA: Do not check reference counters in acpi_ev_enable_gpe()
  ACPI: fixes a false alarm from lockdep
  ACPI dock: support multiple ACPI dock devices
  ACPI: EC: Allow multibyte access to EC

9 years agovxge: Version update.
Sreenivasa Honnur [Thu, 8 Apr 2010 08:49:19 +0000]
vxge: Version update.

- Version update.

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@exar.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@exar.com>

9 years agovxge: Pass correct number of VFs value to pci_sriov_enable().
Sreenivasa Honnur [Thu, 8 Apr 2010 08:48:57 +0000]
vxge: Pass correct number of VFs value to pci_sriov_enable().

-  max_config_dev loadable parameter is set to 0xFF by default. Pass correct
   number of VFs value to pci_sriov_enable() if max_config_dev is set to its
   default value.

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@exar.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agovxge: Allow driver load for all enumerated pci functions.
Sreenivasa Honnur [Thu, 8 Apr 2010 08:48:30 +0000]
vxge: Allow driver load for all enumerated pci functions.

- Allow all instances of the driver be loaded when multiple pci functions are
enumerated. The max_config_dev driver loadable option limits the driver
load instances if required. The X3100's function configuration of single/multi
function, SR and MR IOV allows the user to select the number of pci functions.

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@exar.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agovxge: Fix a possible memory leak in vxge_hw_device_initialize().
Sreenivasa Honnur [Thu, 8 Apr 2010 08:44:39 +0000]
vxge: Fix a possible memory leak in vxge_hw_device_initialize().

- Fix a possible memory leak in vxge_hw_device_initialize(). Free hldev if
vxge_hw_device_reg_addr_get() fails.

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@exar.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agoRevert "Add non-Virtex5 support for LL TEMAC driver"
David S. Miller [Thu, 8 Apr 2010 06:28:28 +0000]
Revert "Add non-Virtex5 support for LL TEMAC driver"

This reverts commit 459569145516f7967b916c57445feb02c600668c.

Uses virt_to_bus() and breaks the build.

Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agomyri10ge: fix rx_pause in myri10ge_set_pauseparam
Brice Goglin [Thu, 8 Apr 2010 05:23:45 +0000]
myri10ge: fix rx_pause in myri10ge_set_pauseparam

Fix rx_pause management in myri10ge_set_pauseparam().

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agonet: fix ethtool coding style errors and warnings
chavey [Thu, 8 Apr 2010 04:54:42 +0000]
net: fix ethtool coding style errors and warnings

Fix coding style errors and warnings output while running checkpatch.pl
on the files net/core/ethtool.c and include/linux/ethtool.h

Signed-off-by: chavey <chavey@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agomacb: allow reception of large (>1518 bytes) frames
Peter Korsgaard [Thu, 8 Apr 2010 04:53:41 +0000]
macb: allow reception of large (>1518 bytes) frames

Enable BIG bit in the network configuration register, so the MAC
doesn't reject big frames (E.G. when vlans are used).

Signed-off-by: Peter Korsgaard <peter.korsgaard@barco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agonet: corrected documentation for hardware time stamping
Patrick Loschmidt [Thu, 8 Apr 2010 04:52:07 +0000]
net: corrected documentation for hardware time stamping

The current documentation for hardware time stamping does not
correctly specify the available kernel functions since the
implementation was changed later on.

Signed-off-by: Patrick Loschmidt <Patrick.Loschmidt@oeaw.ac.at>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agostmmac: use resource_size()
Dan Carpenter [Thu, 8 Apr 2010 04:50:08 +0000]
stmmac: use resource_size()

Resource size should be calculated as end - start + 1 because we start
counting at zero.  I changed the code to resource_size() to do the
calculation.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agox.25 attempts to negotiate invalid throughput
John Hughes [Sun, 4 Apr 2010 06:48:10 +0000]
x.25 attempts to negotiate invalid throughput

The current X.25 code has some bugs in throughput negotiation:

   1. It does negotiation in all cases, usually there is no need
   2. It incorrectly attempts to negotiate the throughput class in one
      direction only.  There are separate throughput classes for input
      and output and if either is negotiated both mist be negotiates.

This is bug https://bugzilla.kernel.org/show_bug.cgi?id=15681

This bug was first reported by Daniel Ferenci to the linux-x25 mailing
list on 6/8/2004, but is still present.

The current (2.6.34) x.25 code doesn't seem to know that the X.25
throughput facility includes two values, one for the required
throughput outbound, one for inbound.

This causes it to attempt to negotiate throughput 0x0A, which is
throughput 9600 inbound and the illegal value "0" for inbound
throughput.

Because of this some X.25 devices (e.g. Cisco 1600) refuse to connect
to Linux X.25.

The following patch fixes this behaviour.  Unless the user specifies a
required throughput it does not attempt to negotiate.  If the user
does not specify a throughput it accepts the suggestion of the remote
X.25 system.  If the user requests a throughput then it validates both
the input and output throughputs and correctly negotiates them with
the remote end.

Signed-off-by: John Hughes <john@calva.com>
Tested-by: Andrew Hendry <andrew.hendry@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agox25: Patch to fix bug 15678 - x25 accesses fields beyond end of packet.
John Hughes [Thu, 8 Apr 2010 04:29:25 +0000]
x25: Patch to fix bug 15678 - x25 accesses fields beyond end of packet.

Here is a patch to stop X.25 examining fields beyond the end of the packet.

For example, when a simple CALL ACCEPTED was received:

10 10 0f

x25_parse_facilities was attempting to decode the FACILITIES field, but this
packet contains no facilities field.

Signed-off-by: John Hughes <john@calva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agobridge: Fix IGMP3 report parsing
Herbert Xu [Thu, 8 Apr 2010 04:20:47 +0000]
bridge: Fix IGMP3 report parsing

The IGMP3 report parsing is looking at the wrong address for
group records.  This patch fixes it.

Reported-by: Banyeer <banyeer@yahoo.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agobnx2x: use the DMA API instead of the pci equivalents
FUJITA Tomonori [Sun, 4 Apr 2010 01:51:03 +0000]
bnx2x: use the DMA API instead of the pci equivalents

The DMA API is preferred.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Vladislav Zolotarov <vladz@broadcom.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agobnx2: use the dma state API instead of the pci equivalents
FUJITA Tomonori [Thu, 1 Apr 2010 16:56:57 +0000]
bnx2: use the dma state API instead of the pci equivalents

The DMA API is preferred.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agovirtio-net: move sg off stack
Michael S. Tsirkin [Thu, 8 Apr 2010 04:01:41 +0000]
virtio-net: move sg off stack

Move sg structure off stack and into virtnet_info structure.
This helps remove extra sg_init_table calls as well as reduce
stack usage.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agobenet: fix the misusage of zero dma address
FUJITA Tomonori [Sun, 4 Apr 2010 21:40:18 +0000]
benet: fix the misusage of zero dma address

benet driver wrongly assumes that zero is an invalid dma address
(calls dma_unmap_page for only non zero dma addresses). Zero is a
valid dma address on some architectures. The dma length can be used
here.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agobenet: use the dma state API instead of the pci equivalents
FUJITA Tomonori [Thu, 1 Apr 2010 16:53:22 +0000]
benet: use the dma state API instead of the pci equivalents

The DMA API is preferred.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years ago3c503: Fix IRQ probing
Ben Hutchings [Thu, 8 Apr 2010 03:55:47 +0000]
3c503: Fix IRQ probing

The driver attempts to select an IRQ for the NIC automatically by
testing which of the supported IRQs are available and then probing
each available IRQ with probe_irq_{on,off}().  There are obvious race
conditions here, besides which:
1. The test for availability is done by passing a NULL handler, which
   now always returns -EINVAL, thus the device cannot be opened:
   <http://bugs.debian.org/566522>
2. probe_irq_off() will report only the first ISA IRQ handled,
   potentially leading to a false negative.

There was another bug that meant it ignored all error codes from
request_irq() except -EBUSY, so it would 'succeed' despite this
(possibly causing conflicts with other ISA devices).  This was fixed
by ab08999d6029bb2c79c16be5405d63d2bedbdfea 'WARNING: some
request_irq() failures ignored in el2_open()', which exposed bug 1.

This patch:
1. Replaces the use of probe_irq_{on,off}() with a real interrupt handler
2. Adds a delay before checking the interrupt-seen flag
3. Disables interrupts on all failure paths
4. Distinguishes error codes from the second request_irq() call,
   consistently with the first

Compile-tested only.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agocnic: Fix crash during bnx2x MTU change.
Michael Chan [Thu, 8 Apr 2010 03:53:54 +0000]
cnic: Fix crash during bnx2x MTU change.

cnic_service_bnx2x() irq handler can be called during chip reset from
MTU change.  Need to check that the cnic's device state is up before
handling the irq.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
Linus Torvalds [Thu, 8 Apr 2010 01:49:20 +0000]
Merge git://git./linux/kernel/git/rusty/linux-2.6-for-linus

* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
  hvc_console: Fix race between hvc_close and hvc_remove
  virtio: disable multiport console support.
  virtio: console makes incorrect assumption about virtio API
  virtio: console: Fix early_put_chars usage
  MAINTAINERS: Put the virtio-console entry in correct alphabetical order

9 years agohvc_console: Fix race between hvc_close and hvc_remove
Anton Blanchard [Tue, 6 Apr 2010 11:42:38 +0000]
hvc_console: Fix race between hvc_close and hvc_remove

I don't claim to understand the tty layer, but it seems like hvc_open and
hvc_close should be balanced in their kref reference counting.

Right now we get a kref every call to hvc_open:

        if (hp->count++ > 0) {
                tty_kref_get(tty); <----- here
                spin_unlock_irqrestore(&hp->lock, flags);
                hvc_kick();
                return 0;
        } /* else count == 0 */

        tty->driver_data = hp;

        hp->tty = tty_kref_get(tty); <------ or here if hp->count was 0

But hvc_close has:

        tty_kref_get(tty);

        if (--hp->count == 0) {
...
                /* Put the ref obtained in hvc_open() */
                tty_kref_put(tty);
...
        }

        tty_kref_put(tty);

Since the outside kref get/put balance we only do a single kref_put when
count reaches 0.

The patch below changes things to call tty_kref_put once for every
hvc_close call, and with that my machine boots fine.

Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

9 years agovirtio: disable multiport console support.
Michael S. Tsirkin [Wed, 31 Mar 2010 18:56:42 +0000]
virtio: disable multiport console support.

Move MULTIPORT feature and related config changes
out of exported headers, and disable the feature
at runtime.

At this point, it seems less risky to keep code around
until we can enable it than rip it out completely.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

9 years agovirtio: console makes incorrect assumption about virtio API
Rusty Russell [Thu, 8 Apr 2010 15:46:16 +0000]
virtio: console makes incorrect assumption about virtio API

The get_buf() API sets the second arg to the number of bytes *written*
by the other side; in this case it should be zero as these are output buffers.

lguest gets this right (obviously kvm's console doesn't), resulting in
continual buildup of console writes.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Amit Shah <amit.shah@redhat.com>

9 years agovirtio: console: Fix early_put_chars usage
François Diakhaté [Tue, 23 Mar 2010 12:53:15 +0000]
virtio: console: Fix early_put_chars usage

Currently early_put_chars is not used by virtio_console because it can
only be used once a port has been found, at which point it's too late
because it is no longer needed. This patch should fix it.

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

9 years agoMAINTAINERS: Put the virtio-console entry in correct alphabetical order
Amit Shah [Tue, 23 Mar 2010 12:53:09 +0000]
MAINTAINERS: Put the virtio-console entry in correct alphabetical order

Move around the entry for virtio-console to keep the file sorted.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

9 years agoMerge branch 'vhost' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
David S. Miller [Wed, 7 Apr 2010 23:52:29 +0000]
Merge branch 'vhost' of git://git./linux/kernel/git/mst/vhost

9 years agoqlcnic: fix set mac addr
Amit Kumar Salecha [Wed, 7 Apr 2010 23:51:49 +0000]
qlcnic: fix set mac addr

If interface is down, mac address request are not sent to fw
but it is getting add in driver mac list.
Driver mac list should be in sync with fw i.e addresses communicated
to fw.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agor6040: fix r6040_multicast_list
Florian Fainelli [Wed, 7 Apr 2010 23:50:58 +0000]
r6040: fix r6040_multicast_list

As reported in <https://bugzilla.kernel.org/show_bug.cgi?id=15355>, r6040_
multicast_list currently crashes. This is due a wrong maximum of multicast
entries. This patch fixes the following issues with multicast:

- number of maximum entries if off-by-one (4 instead of 3)

- the writing of the hash table index is not necessary and leads to invalid
values being written into the MCR1 register, so the MAC is simply put in a non
coherent state

- when we exceed the maximum number of mutlticast address, writing the
broadcast address should be done in registers MID_1{L,M,H} instead of
MID_O{L,M,H}, otherwise we would loose the adapter's MAC address

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agocaif: tty's are kref objects so take a reference
Alan Cox [Wed, 7 Apr 2010 23:50:00 +0000]
caif: tty's are kref objects so take a reference

I don't think this can be abused in this case but do things properly.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agocaif: check write operations
Alan Cox [Wed, 7 Apr 2010 23:49:31 +0000]
caif: check write operations

write is optional for a tty device. Check that we have a write op rather
than calling NULL.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agonet: include linux/proc_fs.h in dev_addr_lists.c
Eric Dumazet [Wed, 7 Apr 2010 23:46:36 +0000]
net: include linux/proc_fs.h in dev_addr_lists.c

As pointed by Randy Dunlap, we must include linux/proc_fs.h in
net/core/dev_addr_lists.c, regardless of CONFIG_PROC_FS

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>,
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
David S. Miller [Wed, 7 Apr 2010 23:41:03 +0000]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-2.6

9 years agonet: fix definition of netdev_for_each_mc_addr()
Pavel Roskin [Wed, 7 Apr 2010 23:40:09 +0000]
net: fix definition of netdev_for_each_mc_addr()

The first argument should be called ha, not mclist.  All callers use the
name "ha", but if they used a different name, there would be a compile
error.

Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

9 years agorwsem generic spinlock: use IRQ save/restore spinlocks
Kevin Hilman [Wed, 7 Apr 2010 18:52:46 +0000]
rwsem generic spinlock: use IRQ save/restore spinlocks

rwsems can be used with IRQs disabled, particularily in early boot
before IRQs are enabled.  Currently the spin_unlock_irq() usage in the
slow-patch will unconditionally enable interrupts and cause problems
since interrupts are not yet initialized or enabled.

This patch uses save/restore versions of IRQ spinlocks in the slowpath
to ensure interrupts are not unintentionally disabled.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

9 years agoHave nfs ->d_revalidate() report errors properly
Al Viro [Wed, 7 Apr 2010 23:06:07 +0000]
Have nfs ->d_revalidate() report errors properly

If nfs atomic open implementation ends up doing open request from
->d_revalidate() codepath and gets an error from server, return that error
to caller explicitly and don't bother with lookup_instantiate_filp() at all.
->d_revalidate() can return an error itself just fine...

See
http://bugzilla.kernel.org/show_bug.cgi?id=15674
http://marc.info/?l=linux-kernel&m=126988782722711&w=2

for original report.

Reported-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

9 years agoIB/mlx4: Check correct variable for allocation failure
Dan Carpenter [Wed, 7 Apr 2010 09:39:01 +0000]
IB/mlx4: Check correct variable for allocation failure

The intent here is to check the "mfrpl->mapped_page_list" allocation.
We checked "mfrpl->ibfrpl.page_list" earlier.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

9 years agoRDMA/nes: Correct cap.max_inline_data assignment in nes_query_qp()
Chien Tung [Thu, 25 Mar 2010 13:39:50 +0000]
RDMA/nes: Correct cap.max_inline_data assignment in nes_query_qp()

cap.max_inline_data is incorrectly set in init_attr instead of attr.
Set it in attr so subsequent init_attr.cap assignment will get the
correct value.

Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

9 years agoRDMA/cm: Set num_paths when manually assigning path records
Sean Hefty [Thu, 25 Mar 2010 19:12:36 +0000]
RDMA/cm: Set num_paths when manually assigning path records

When manually assigning the path records to use for a connection, save
the number of paths that were set.  Otherwise, checks against num_path
will show 0, even though path record data is available.

This was discovered by manually setting the path records from user
space, then querying the kernel to see if the correct path records
were assigned, only to discover that the kernel returned 0 path
records to the query.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

9 years agoMerge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 7 Apr 2010 21:01:51 +0000]
Merge branch 'perf-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf, x86: Enable Nehalem-EX support
  perf kmem: Fix breakage introduced by 5a0e3ad slab.h script

9 years agoMerge branch 'davinci-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 7 Apr 2010 18:03:06 +0000]
Merge branch 'davinci-fixes-for-linus' of git://git./linux/kernel/git/khilman/linux-davinci

* 'davinci-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci:
  davinci: fix compile warning: <mach/da8xx.h>: #include <linux/platform_device.h>
  davinci: DM365: fix duplicate default IRQ priorities
  davinci: edma: clear events in edma_start()
  davinci: da8xx/omap-l1: fix build error when CONFIG_DAVINCI_MUX is undefined
  davinci: timers: don't enable timer until clocksource is initialized

9 years agoMerge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 7 Apr 2010 18:02:23 +0000]
Merge branch 'x86-fixes-for-linus' of git://git./linux/kernel/git/x86/linux-2.6-tip

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip:
  x86: Fix double enable_IR_x2apic() call on SMP kernel on !SMP boards
  x86: Increase CONFIG_NODES_SHIFT max to 10
  ibft, x86: Change reserve_ibft_region() to find_ibft_region()
  x86, hpet: Fix bug in RTC emulation
  x86, hpet: Erratum workaround for read after write of HPET comparator
  bootmem, x86: Fix 32bit numa system without RAM on node 0
  nobootmem, x86: Fix 32bit numa system without RAM on node 0
  x86: Handle overlapping mptables
  x86: Make e820_remove_range to handle all covered case
  x86-32, resume: do a global tlb flush in S4 resume

9 years agodavinci: fix compile warning: <mach/da8xx.h>: #include <linux/platform_device.h>
Sergei Shtylyov [Fri, 26 Mar 2010 14:56:58 +0000]
davinci: fix compile warning: <mach/da8xx.h>: #include <linux/platform_device.h>

This hushes the following warning:

arch/arm/mach-davinci/include/mach/da8xx.h:104: warning: ‘struct platform_device’
declared inside parameter list
arch/arm/mach-davinci/include/mach/da8xx.h:104: warning: its scope is only this
definition or declaration, which is probably not what you want

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

9 years agoMerge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze
Linus Torvalds [Wed, 7 Apr 2010 15:48:39 +0000]
Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze

* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: Remove unused variable from ptrace
  microblaze: io.h: Add io big-endian function
  microblaze: Enable memory leak detector
  microblaze: Fix futex code
  microblaze: Fix ftrace_update_ftrace_func panic

9 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
Linus Torvalds [Wed, 7 Apr 2010 15:42:25 +0000]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: mixart: range checking proc file
  ALSA: hda - Fix a wrong array range check in patch_realtek.c
  ALSA: ASoC: move dma_data from snd_soc_dai to snd_soc_pcm_stream
  ALSA: hda - Enable amplifiers on Acer Inspire 6530G
  ASoC: Only do WM8994 bias off transition from standby
  ASoC: Don't use DCS_DATAPATH_BUSY for WM hubs devices
  ASoC: Don't do runtime wm_hubs DC servo updates if using offset correction
  ASoC: Support second DC servo readback method for wm_hubs
  ASoC: Avoid wraparound in wm_hubs DC servo correction
  ALSA: echoaudio - Eliminate use after free
  ALSA: i2c: cleanup: change parameter to pointer
  ALSA: hda - Add MSI blacklist for Aopen MZ915-M
  ASoC: OMAP: Fix capture pointer handling for OMAP1510 to work correctly with recent ALSA PCM code
  ALSA: hda - Update document about MSI and interrupts
  ALSA: hda: Fix 0 dB offset for Lenovo Thinkpad models using AD1981
  ALSA: hda - Add missing printk argument in previous patch
  ASoC: Fix passing platform_data to ac97 bus users and fix a leak
  ALSA: hda - Fix ADC/MUX assignment of ALC269 codec
  ALSA: hda - Fix invalid bit values passed to snd_hda_codec_amp_stereo()
  ASoC: wm8994: playback => capture

9 years agoMerge branch 'slabh' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc
Linus Torvalds [Wed, 7 Apr 2010 15:38:27 +0000]
Merge branch 'slabh' of git://git./linux/kernel/git/tj/misc

* 'slabh' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc:
  nodemask: include slab.h from drivers/base/node.c