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| author | Pranith Kumar | 2014-09-23 16:55:08 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2014-09-26 17:36:03 +0200 |
| commit | 1da34daf24823f19cfd56c97973334cd95635926 (patch) | |
| tree | 33af8eb005eb7011d8eef987b914d20927d806e0 /tools/perf | |
| parent | perf tools: Modify error code for when perf_session__new() fails (diff) | |
| download | kernel-qcow2-linux-1da34daf24823f19cfd56c97973334cd95635926.tar.gz kernel-qcow2-linux-1da34daf24823f19cfd56c97973334cd95635926.tar.xz kernel-qcow2-linux-1da34daf24823f19cfd56c97973334cd95635926.zip | |
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>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/session.h | 2 |
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 */ |