Messages in this thread Patch in this message | | | Date | Fri, 18 Apr 2014 06:12:02 -0700 | From | tip-bot for Peter Zijlstra <> | Subject | [tip:locking/core] arch,sh: Convert smp_mb__*() |
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Commit-ID: 603228bcb8da90f8f8a5cdd8de74178f6c3e7e13 Gitweb: http://git.kernel.org/tip/603228bcb8da90f8f8a5cdd8de74178f6c3e7e13 Author: Peter Zijlstra <peterz@infradead.org> AuthorDate: Thu, 13 Mar 2014 19:00:35 +0100 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Fri, 18 Apr 2014 14:20:44 +0200
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> --- arch/sh/include/asm/atomic.h | 6 +----- 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 f4c1c20..f57b8a6 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 ea8706d..fc8e652 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) {
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