diff options
| author | Thomas Hellstrom <thellstrom@vmware.com> | 2012-06-01 15:39:11 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-10 00:33:02 +0900 |
| commit | 166ab4d1f2a1fae8f2cbe43da0e35befadc1e90b (patch) | |
| tree | 373d9b385e3b49aa2879a1a30b014ccd119833ec | |
| parent | df1dadab46b1a1deec017dc4bb20c6325f6fbd23 (diff) | |
drm/ttm: Fix spinlock imbalance
commit a8ff3ee211fccf708e1911bbc096625453ebf759 upstream.
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>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 81b68508dc13..7632edb2f46e 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1809,6 +1809,7 @@ 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; } |