Commit-ID: d594ffa94b7efdd8c6da5ee48aea8ae229809b55 Gitweb: http://git.kernel.org/tip/d594ffa94b7efdd8c6da5ee48aea8ae229809b55 Author: Peter Zijlstra <pet...@infradead.org> AuthorDate: Wed, 12 Mar 2014 17:11:00 +0100 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Fri, 18 Apr 2014 11:40:31 +0200
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 <pet...@infradead.org> Acked-by: Paul E. McKenney <paul...@linux.vnet.ibm.com> Link: http://lkml.kernel.org/n/tip-ua48a59wri3ybz1rz8i7u...@git.kernel.org Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Vineet Gupta <vgu...@synopsys.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mi...@kernel.org> --- arch/arc/include/asm/atomic.h | 5 ----- arch/arc/include/asm/bitops.h | 5 +---- 2 files changed, 1 insertion(+), 9 deletions(-) diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h index 03e494f..83f03ca 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 647a83a..ebc0cf3 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> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
