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| author | Peter Zijlstra <peterz@infradead.org> | 2014-03-12 17:11:00 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-04-18 11:40:31 +0200 |
| commit | d594ffa94b7efdd8c6da5ee48aea8ae229809b55 (patch) | |
| tree | a48a795a19120e0434d901a402e0baeb5082a18e | |
| parent | 6ae11028a62b2f82ee283392a84f33da599a81e7 (diff) | |
| download | linux-d594ffa94b7efdd8c6da5ee48aea8ae229809b55.tar.gz linux-d594ffa94b7efdd8c6da5ee48aea8ae229809b55.tar.bz2 linux-d594ffa94b7efdd8c6da5ee48aea8ae229809b55.zip | |
arch,arc: Convert smp_mb__*()
The arc mb() implementation is a compiler barrier(), therefore it all
doesn't matter one way or the other. Simply remove the existing
definitions and use whatever is generated by the defaults.
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-ua48a59wri3ybz1rz8i7uvbr@git.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | arch/arc/include/asm/atomic.h | 5 | ||||
| -rw-r--r-- | arch/arc/include/asm/bitops.h | 5 |
2 files changed, 1 insertions, 9 deletions
diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h index 03e494f695d1..83f03ca6caf6 100644 --- a/arch/arc/include/asm/atomic.h +++ b/arch/arc/include/asm/atomic.h @@ -190,11 +190,6 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) #endif /* !CONFIG_ARC_HAS_LLSC */ -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - /** * __atomic_add_unless - add unless the number is a given value * @v: pointer of type atomic_t diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h index 647a83a8e756..ebc0cf3164dc 100644 --- a/arch/arc/include/asm/bitops.h +++ b/arch/arc/include/asm/bitops.h @@ -19,6 +19,7 @@ #include <linux/types.h> #include <linux/compiler.h> +#include <asm/barrier.h> /* * Hardware assisted read-modify-write using ARC700 LLOCK/SCOND insns. @@ -496,10 +497,6 @@ static inline __attribute__ ((const)) int __ffs(unsigned long word) */ #define ffz(x) __ffs(~(x)) -/* TODO does this affect uni-processor code */ -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() - #include <asm-generic/bitops/hweight.h> #include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/sched.h> |