[PATCH 1/4] drm/syncobj: Mark up the fence as an RCU protected pointer

Ville Syrjala ville.syrjala at linux.intel.com
Thu Nov 2 20:03:33 UTC 2017


From: Chris Wilson <chris at chris-wilson.co.uk>

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

Cc: Dave Airlie <airlied at redhat.com>
Cc: Jason Ekstrand <jason at jlekstrand.net>
Cc: linaro-mm-sig at lists.linaro.org
Cc: linux-media at vger.kernel.org
Cc: Alex Deucher <alexander.deucher at amd.com>
Cc: Christian König <christian.koenig at amd.com>
Cc: Sumit Semwal <sumit.semwal at linaro.org>
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 43e2f382d2f0..9e8ba90c6784 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
-- 
2.13.6



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