Commit-ID: 1da34daf24823f19cfd56c97973334cd95635926 Gitweb: http://git.kernel.org/tip/1da34daf24823f19cfd56c97973334cd95635926 Author: Pranith Kumar <[email protected]> AuthorDate: Tue, 23 Sep 2014 10:55:08 -0400 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Fri, 26 Sep 2014 12:36:03 -0300
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 <[email protected]> Acked-by: Namhyung Kim <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: David Ahern <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- 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 */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
