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| author | Thomas Hellstrom <thellstrom@vmware.com> | 2012-06-01 15:39:11 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-06-01 17:00:19 +0100 |
| commit | a8ff3ee211fccf708e1911bbc096625453ebf759 (patch) | |
| tree | 8780763ddef18c1877331c9b97782c7a3d49e1a9 | |
| parent | 416a2bd274566a6f607a271f524b2dc0b84d9106 (diff) | |
| download | linux-a8ff3ee211fccf708e1911bbc096625453ebf759.tar.bz2 | |
drm/ttm: Fix spinlock imbalance
This imbalance may cause hangs when TTM is trying to swap out a buffer
that is already on the delayed delete list.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 36792bd4da77..b67cfcaa661f 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1834,6 +1834,7 @@ static int ttm_bo_swapout(struct ttm_mem_shrink *shrink) spin_unlock(&glob->lru_lock); (void) ttm_bo_cleanup_refs(bo, false, false, false); kref_put(&bo->list_kref, ttm_bo_release_list); + spin_lock(&glob->lru_lock); continue; } |