3.13-stable review patch. If anyone has any objections, please let me know.
------------------ From: Peter Zijlstra <[email protected]> commit f428ebd184c82a7914b2aa7e9f868918aaf7ea78 upstream. Someone got the load and store barriers mixed up for AAAAARGH64. Turn them the right side up. Reported-by: Will Deacon <[email protected]> Signed-off-by: Peter Zijlstra <[email protected]> Fixes: a94d342b9cb0 ("tools/perf: Add required memory barriers") Cc: Ingo Molnar <[email protected]> Cc: Will Deacon <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- tools/perf/perf.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -100,8 +100,8 @@ #ifdef __aarch64__ #define mb() asm volatile("dmb ish" ::: "memory") -#define wmb() asm volatile("dmb ishld" ::: "memory") -#define rmb() asm volatile("dmb ishst" ::: "memory") +#define wmb() asm volatile("dmb ishst" ::: "memory") +#define rmb() asm volatile("dmb ishld" ::: "memory") #define cpu_relax() asm volatile("yield" ::: "memory") #endif -- 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/
