[PATCH] perf: Use ACCESS_ONCE() instead of volatile cast

[Pranith Kumar]

Use ACCESS_ONCE() instead of the cast to volatile and read. This is just a style
change which is reader friendly.

Signed-off-by: Pranith Kumar <bobby.prani@xxxxxxxxx>
---
 tools/perf/util/session.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 8dd41ca..ffb4404 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -126,5 +126,5 @@ int __perf_session__set_tracepoints_handlers(struct perf_session *session,
 
 extern volatile int session_done;
 
-#define session_done()	(*(volatile int *)(&session_done))
+#define session_done()	ACCESS_ONCE(session_done)
 #endif /* __PERF_SESSION_H */
-- 
2.1.0

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