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| author | Peter Zijlstra <peterz@infradead.org> | 2014-03-13 19:00:35 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-04-18 14:20:45 +0200 |
| commit | ce3609f93445846f7b5a5b4bacb236a9bdc35216 (patch) | |
| tree | 89b4eb5b7ae0b9e0dd8b003b481f1a253a1dd0fd /arch/tile/include/asm/bitops_32.h | |
| parent | 56d3648948c202e8b89cd786a004c451a3eb264f (diff) | |
| download | op-kernel-dev-ce3609f93445846f7b5a5b4bacb236a9bdc35216.zip op-kernel-dev-ce3609f93445846f7b5a5b4bacb236a9bdc35216.tar.gz | |
arch,tile: Convert smp_mb__*()
Implement the new smp_mb__* ops as per the old ones.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Link: http://lkml.kernel.org/n/tip-euuabnf5a3u23fy4fq8m3jcg@git.kernel.org
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Chen Gang <gang.chen@asianux.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/tile/include/asm/bitops_32.h')
| -rw-r--r-- | arch/tile/include/asm/bitops_32.h | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/tile/include/asm/bitops_32.h b/arch/tile/include/asm/bitops_32.h index 386865ad..bbf7b66 100644 --- a/arch/tile/include/asm/bitops_32.h +++ b/arch/tile/include/asm/bitops_32.h @@ -49,8 +49,8 @@ static inline void set_bit(unsigned nr, volatile unsigned long *addr) * restricted to acting on a single-word quantity. * * clear_bit() may not contain a memory barrier, so if it is used for - * locking purposes, you should call smp_mb__before_clear_bit() and/or - * smp_mb__after_clear_bit() to ensure changes are visible on other cpus. + * locking purposes, you should call smp_mb__before_atomic() and/or + * smp_mb__after_atomic() to ensure changes are visible on other cpus. */ static inline void clear_bit(unsigned nr, volatile unsigned long *addr) { @@ -121,10 +121,6 @@ static inline int test_and_change_bit(unsigned nr, return (_atomic_xor(addr, mask) & mask) != 0; } -/* See discussion at smp_mb__before_atomic_dec() in <asm/atomic_32.h>. */ -#define smp_mb__before_clear_bit() smp_mb() -#define smp_mb__after_clear_bit() do {} while (0) - #include <asm-generic/bitops/ext2-atomic.h> #endif /* _ASM_TILE_BITOPS_32_H */ |
