linux-toradex.git, branch v3.2.25

Linux 3.2.25

2012-08-02T13:38:04+00:00

mm: fix wrong argument of migrate_huge_pages() in soft_offline_huge_page()

2012-08-02T13:38:03+00:00

commit dc32f63453f56d07a1073a697dcd843dd3098c09 upstream.

Commit a6bc32b89922 ("mm: compaction: introduce sync-light migration for
use by compaction") changed the declaration of migrate_pages() and
migrate_huge_pages().

But it missed changing the argument of migrate_huge_pages() in
soft_offline_huge_page().  In this case, we should call
migrate_huge_pages() with MIGRATE_SYNC.

Additionally, there is a mismatch between type the of argument and the
function declaration for migrate_pages().

Signed-off-by: Joonsoo Kim 
Cc: Christoph Lameter 
Cc: Mel Gorman 
Acked-by: David Rientjes 
Cc: "Aneesh Kumar K.V" 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds 
Signed-off-by: Ben Hutchings

nouveau: Fix alignment requirements on src and dst addresses

2012-08-02T13:38:02+00:00

commit ce806a30470bcd846d148bf39d46de3ad7748228 upstream.

Linear copy works by adding the offset to the buffer address,
which may end up not being 16-byte aligned.

Some tests I've written for prime_pcopy show that the engine
allows this correctly, so the restriction on lowest 4 bits of
address can be lifted safely.

The comments added were by envyas, I think because I used
a newer version.

Signed-off-by: Maarten Lankhorst 
[bwh: Backported to 3.2: no # prefixes in nva3_copy.fuc]
Signed-off-by: Ben Hutchings

Btrfs: call the ordered free operation without any locks held

2012-08-02T13:38:02+00:00

commit e9fbcb42201c862fd6ab45c48ead4f47bb2dea9d upstream.

Each ordered operation has a free callback, and this was called with the
worker spinlock held.  Josef made the free callback also call iput,
which we can't do with the spinlock.

This drops the spinlock for the free operation and grabs it again before
moving through the rest of the list.  We'll circle back around to this
and find a cleaner way that doesn't bounce the lock around so much.

Signed-off-by: Chris Mason 
Signed-off-by: Ben Hutchings

drm/radeon: on hotplug force link training to happen (v2)

2012-08-02T13:38:01+00:00

commit ca2ccde5e2f24a792caa4cca919fc5c6f65d1887 upstream.

To have DP behave like VGA/DVI we need to retrain the link
on hotplug. For this to happen we need to force link
training to happen by setting connector dpms to off
before asking it turning it on again.

v2: agd5f
- drop the dp_get_link_status() change in atombios_dp.c
  for now.  We still need the dpms OFF change.

Signed-off-by: Jerome Glisse 
Signed-off-by: Alex Deucher 
Signed-off-by: Dave Airlie 
Signed-off-by: Ben Hutchings

drm/radeon: fix hotplug of DP to DVI|HDMI passive adapters (v2)

2012-08-02T13:38:01+00:00

commit 266dcba541a1ef7e5d82d9e67c67fde2910636e8 upstream.

No need to retrain the link for passive adapters.

v2: agd5f
- no passive DP to VGA adapters, update comments
- assign radeon_connector_atom_dig after we are sure
  we have a digital connector as analog connectors
  have different private data.
- get new sink type before checking for retrain.  No
  need to check if it's no longer a DP connection.

Signed-off-by: Jerome Glisse 
Signed-off-by: Alex Deucher 
Signed-off-by: Dave Airlie 
Signed-off-by: Ben Hutchings

drm/radeon: fix non revealent error message

2012-08-02T13:38:01+00:00

commit 8d1c702aa0b2c4b22b0742b72a1149d91690674b upstream.

We want to print link status query failed only if it's
an unexepected fail. If we query to see if we need
link training it might be because there is nothing
connected and thus link status query have the right
to fail in that case.

To avoid printing failure when it's expected, move the
failure message to proper place.

Signed-off-by: Jerome Glisse 
Signed-off-by: Dave Airlie 
Signed-off-by: Ben Hutchings

drm/radeon: fix bo creation retry path

2012-08-02T13:38:00+00:00

commit d1c7871ddb1f588b8eb35affd9ee1a3d5e11cd0c upstream.

Retry label was at wrong place in function leading to memory
leak.

Signed-off-by: Jerome Glisse 
Reviewed-by: Michel Dänzer 
Reviewed-by: Christian König 
Signed-off-by: Dave Airlie 
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings

ACPI/AC: prevent OOPS on some boxes due to missing check power_supply_register() return value check

2012-08-02T13:38:00+00:00

commit f197ac13f6eeb351b31250b9ab7d0da17434ea36 upstream.

In the ac.c, power_supply_register()'s return value is not checked.

As a result, the driver's add() ops may return success
even though the device failed to initialize.

For example, some BIOS may describe two ACADs in the same DSDT.
The second ACAD device will fail to register,
but ACPI driver's add() ops returns sucessfully.
The ACPI device will receive ACPI notification and cause OOPS.

https://bugzilla.redhat.com/show_bug.cgi?id=772730

Signed-off-by: Lan Tianyu 
Signed-off-by: Len Brown 
Signed-off-by: Ben Hutchings

locks: fix checking of fcntl_setlease argument

2012-08-02T13:37:59+00:00

commit 0ec4f431eb56d633da3a55da67d5c4b88886ccc7 upstream.

The only checks of the long argument passed to fcntl(fd,F_SETLEASE,.)
are done after converting the long to an int.  Thus some illegal values
may be let through and cause problems in later code.

[ They actually *don't* cause problems in mainline, as of Dave Jones's
  commit 8d657eb3b438 "Remove easily user-triggerable BUG from
  generic_setlease", but we should fix this anyway.  And this patch will
  be necessary to fix real bugs on earlier kernels. ]

Signed-off-by: J. Bruce Fields 
Signed-off-by: Linus Torvalds 
Signed-off-by: Ben Hutchings