Commit 1da34daf authored Sep 23, 2014 by Pranith Kumar Committed by Arnaldo Carvalho de Melo Sep 26, 2014

perf tools: Use ACCESS_ONCE() instead of volatile cast



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@gmail.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1411484109-10442-1-git-send-email-bobby.prani@gmail.com


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 52e02834

tools/perf/util/session.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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 */