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authorPranith Kumar <bobby.prani@gmail.com>2014-09-23 10:55:08 -0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-09-26 12:36:03 -0300
commit1da34daf24823f19cfd56c97973334cd95635926 (patch)
tree33af8eb005eb7011d8eef987b914d20927d806e0
parent52e0283497ccb1e675d56c9499cc2cc5ec271094 (diff)
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>
-rw-r--r--tools/perf/util/session.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 8dd41cad2d59..ffb440462008 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 */