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perf tools: Move ACCESS_ONCE from perf.h header

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Into tools/include/linux/compiler.h header.

Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@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/n/tip-9sk90owm370kuq3f0ssjjui2@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
This commit is contained in:
Jiri Olsa 2014-05-05 13:16:41 +02:00
commit 73a31b7c6a
2 changed files with 2 additions and 2 deletions
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2
tools/include/linux/compiler.h
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@ -35,4 +35,6 @@
# define unlikely(x) __builtin_expect(!!(x), 0)
#endif
#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
#endif /* _TOOLS_LINUX_COMPILER_H */