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Diffstat (limited to 'include/trace/events/dma_fence.h')
-rw-r--r--include/trace/events/dma_fence.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/trace/events/dma_fence.h b/include/trace/events/dma_fence.h
index a4de3df8500b..3abba45c0601 100644
--- a/include/trace/events/dma_fence.h
+++ b/include/trace/events/dma_fence.h
@@ -9,6 +9,11 @@
struct dma_fence;
+/*
+ * Safe only for call sites which are guaranteed to not race with fence
+ * signaling,holding the fence->lock and having checked for not signaled, or the
+ * signaling path itself.
+ */
DECLARE_EVENT_CLASS(dma_fence,
TP_PROTO(struct dma_fence *fence),