3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Thomas Hellstrom <thellst...@vmware.com>
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 <thellst...@vmware.com>
Reviewed-by: Jakob Bornecrantz <ja...@vmware.com>
Signed-off-by: Dave Airlie <airl...@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/gpu/drm/ttm/ttm_bo.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1821,6 +1821,7 @@ static int ttm_bo_swapout(struct ttm_mem
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;
}
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