[git pull] drm fixes

[Dave Airlie]

This is the nasty race condition fix from Thomas, I've been running it and 
playing with firefox a lot and haven't seen any side effects of it, we 
have positive feedback on it fixing the actual problem of up 1GB of memory 
leaked in 5-10s of scrolling in the pathalogical cases.

Dave.

The following changes since commit e1d9694cae722d00a94fb58f901aa69c9c324a16:

  Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip (2010-10-05 13:07:43 -0700)

are available in the git repository at:

  ssh://master.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6.git drm-fixes

Thomas Hellstrom (1):
      drm/ttm: Fix two race conditions + fix busy codepaths

 drivers/gpu/drm/ttm/ttm_bo.c |   83 ++++++++++++++++++++++++++++++++++++------
 include/drm/ttm/ttm_bo_api.h |    4 ++-
 2 files changed, 74 insertions(+), 13 deletions(-)
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