diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2014-03-13 22:00:36 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-04-18 16:20:38 +0400 |
| commit | 91bbefe6b0fcd2968c34a5a566bda870477afc82 (patch) | |
| tree | 47dafcecaefe7838ab8aea458bd85fde3131b453 /arch/mips/include/asm/barrier.h | |
| parent | 40074dece684fc61ab72cfc1689d564cba1c5f64 (diff) | |
| download | linux-91bbefe6b0fcd2968c34a5a566bda870477afc82.tar.xz | |
arch,mips: Convert smp_mb__*()
MIPS is interesting and has hardware variants that reorder over ll/sc
as well as those that do not.
Implement the 2 new barrier functions as per the old barriers.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/n/tip-9ph49jbae3hol9v721sbc2g6@git.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Maciej W. Rozycki" <macro@codesourcery.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/mips/include/asm/barrier.h')
| -rw-r--r-- | arch/mips/include/asm/barrier.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/include/asm/barrier.h b/arch/mips/include/asm/barrier.h index e1aa4e4c2984..d0101dd0575e 100644 --- a/arch/mips/include/asm/barrier.h +++ b/arch/mips/include/asm/barrier.h @@ -195,4 +195,7 @@ do { \ ___p1; \ }) +#define smp_mb__before_atomic() smp_mb__before_llsc() +#define smp_mb__after_atomic() smp_llsc_mb() + #endif /* __ASM_BARRIER_H */ |