Files
Linux/tools/include/linux/compiler.h
T
Jiri Olsa 73a31b7c6a perf tools: Move ACCESS_ONCE from perf.h header
Into tools/include/linux/compiler.h header.

Acked-by: Arnaldo Carvalho de Melo <[email protected]>
Acked-by: Peter Zijlstra <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Corey Ashford <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Jiri Olsa <[email protected]>
2014-05-05 17:49:07 +02:00

41 lines
734 B
C

#ifndef _TOOLS_LINUX_COMPILER_H_
#define _TOOLS_LINUX_COMPILER_H_
#ifndef __always_inline
# define __always_inline inline __attribute__((always_inline))
#endif
#define __user
#ifndef __attribute_const__
# define __attribute_const__
#endif
#ifndef __maybe_unused
# define __maybe_unused __attribute__((unused))
#endif
#ifndef __packed
# define __packed __attribute__((__packed__))
#endif
#ifndef __force
# define __force
#endif
#ifndef __weak
# define __weak __attribute__((weak))
#endif
#ifndef likely
# define likely(x) __builtin_expect(!!(x), 1)
#endif
#ifndef unlikely
# define unlikely(x) __builtin_expect(!!(x), 0)
#endif
#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
#endif /* _TOOLS_LINUX_COMPILER_H */