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Message-Id: <1411484109-10442-1-git-send-email-bobby.prani@gmail.com> Date: Tue, 23 Sep 2014 10:55:08 -0400 From: Pranith Kumar <bobby.prani@...il.com> To: Peter Zijlstra <a.p.zijlstra@...llo.nl>, Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, Jiri Olsa <jolsa@...nel.org>, David Ahern <dsahern@...il.com>, Adrian Hunter <adrian.hunter@...el.com>, Namhyung Kim <namhyung@...nel.org>, linux-kernel@...r.kernel.org (open list:PERFORMANCE EVENT...) Subject: [PATCH] perf: 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@...il.com> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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