[Intel-gfx] [PATCH 1/2] drm/syncobj: Mark up the fence as an RCU protected pointer

Chris Wilson chris at chris-wilson.co.uk
Fri Sep 1 14:57:06 UTC 2017


We take advantage of that syncobj->fence is an RCU-protected pointer, and
so sparse complains that it is lacking annotation.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 include/drm/drm_syncobj.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/drm/drm_syncobj.h b/include/drm/drm_syncobj.h
index c00fee539822..455660673259 100644
--- a/include/drm/drm_syncobj.h
+++ b/include/drm/drm_syncobj.h
@@ -49,7 +49,7 @@ struct drm_syncobj {
 	 * This field should not be used directly.  Use drm_syncobj_fence_get
 	 * and drm_syncobj_replace_fence instead.
 	 */
-	struct dma_fence *fence;
+	struct dma_fence __rcu *fence;
 	/**
 	 * @cb_list:
 	 * List of callbacks to call when the fence gets replaced
-- 
2.14.1



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