diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2014-03-13 22:00:35 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-04-18 16:20:44 +0400 |
| commit | 603228bcb8da90f8f8a5cdd8de74178f6c3e7e13 (patch) | |
| tree | 2ddad6025a8730a51301df725a18519721230e55 /arch/sh | |
| parent | 57aa6a76864dfbb5450728199c37c02f401586ec (diff) | |
| download | linux-603228bcb8da90f8f8a5cdd8de74178f6c3e7e13.tar.xz | |
arch,sh: Convert smp_mb__*()
SH can use the asm-generic/barrier.h implementation since that uses
smp_mb().
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-2z962by2ppzcd984ybw2mwdw@git.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-sh@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/include/asm/atomic.h | 6 | ||||
| -rw-r--r-- | arch/sh/include/asm/bitops.h | 7 |
2 files changed, 2 insertions, 11 deletions
diff --git a/arch/sh/include/asm/atomic.h b/arch/sh/include/asm/atomic.h index f4c1c20bcdf6..f57b8a6743b3 100644 --- a/arch/sh/include/asm/atomic.h +++ b/arch/sh/include/asm/atomic.h @@ -10,6 +10,7 @@ #include <linux/compiler.h> #include <linux/types.h> #include <asm/cmpxchg.h> +#include <asm/barrier.h> #define ATOMIC_INIT(i) { (i) } @@ -62,9 +63,4 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) return c; } -#define smp_mb__before_atomic_dec() smp_mb() -#define smp_mb__after_atomic_dec() smp_mb() -#define smp_mb__before_atomic_inc() smp_mb() -#define smp_mb__after_atomic_inc() smp_mb() - #endif /* __ASM_SH_ATOMIC_H */ diff --git a/arch/sh/include/asm/bitops.h b/arch/sh/include/asm/bitops.h index ea8706d94f08..fc8e652cf173 100644 --- a/arch/sh/include/asm/bitops.h +++ b/arch/sh/include/asm/bitops.h @@ -9,6 +9,7 @@ /* For __swab32 */ #include <asm/byteorder.h> +#include <asm/barrier.h> #ifdef CONFIG_GUSA_RB #include <asm/bitops-grb.h> @@ -22,12 +23,6 @@ #include <asm-generic/bitops/non-atomic.h> #endif -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ -#define smp_mb__before_clear_bit() smp_mb() -#define smp_mb__after_clear_bit() smp_mb() - #ifdef CONFIG_SUPERH32 static inline unsigned long ffz(unsigned long word) { |