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perf tools: Fix AAAAARGH64 memory barriers

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commit f428ebd184 upstream.

Someone got the load and store barriers mixed up for AAAAARGH64.  Turn
them the right side up.

Reported-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Fixes: a94d342b9c ("tools/perf: Add required memory barriers")
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Will Deacon <will.deacon@arm.com>
Link: http://lkml.kernel.org/r/20140124154002.GF31570@twins.programming.kicks-ass.net
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Zijlstra 2014-01-24 16:40:02 +01:00 committed by Greg Kroah-Hartman
parent 7357468beb
commit 8603303044
1 changed files with 2 additions and 2 deletions
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4
tools/perf/perf.h
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@ -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