Commit-ID: f428ebd184c82a7914b2aa7e9f868918aaf7ea78 Gitweb: http://git.kernel.org/tip/f428ebd184c82a7914b2aa7e9f868918aaf7ea78 Author: Peter Zijlstra <[email protected]> AuthorDate: Fri, 24 Jan 2014 16:40:02 +0100 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Wed, 29 Jan 2014 15:50:57 -0300
perf tools: Fix AAAAARGH64 memory barriers 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]> --- tools/perf/perf.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/perf.h b/tools/perf/perf.h index 7daa806..e84fa26 100644 --- 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/

