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| author | Peter Zijlstra <peterz@infradead.org> | 2014-03-13 19:00:37 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-04-18 14:20:34 +0200 |
| commit | d038c0e8380fa8cae049bee8d81a5672cd159013 (patch) | |
| tree | 65184d702e55a9518b39c2724450af6eb278c1dc /arch/frv | |
| parent | 17b40213ab2b091fd5d2a9337eae62312608ad3d (diff) | |
| download | blackbird-op-linux-d038c0e8380fa8cae049bee8d81a5672cd159013.tar.gz blackbird-op-linux-d038c0e8380fa8cae049bee8d81a5672cd159013.zip | |
arch,frv: Convert smp_mb__*()
Because:
arch/frv/include/asm/smp.h:#error SMP not supported
smp_mb() is barrier() and we can use the default implementation 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-n296g51yzdu5ru1vp7mccxmf@git.kernel.org
Cc: David Howells <dhowells@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/frv')
| -rw-r--r-- | arch/frv/include/asm/atomic.h | 7 | ||||
| -rw-r--r-- | arch/frv/include/asm/bitops.h | 6 |
2 files changed, 1 insertions, 12 deletions
diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h index b86329d0e316..f6c3a1690101 100644 --- a/arch/frv/include/asm/atomic.h +++ b/arch/frv/include/asm/atomic.h @@ -17,6 +17,7 @@ #include <linux/types.h> #include <asm/spr-regs.h> #include <asm/cmpxchg.h> +#include <asm/barrier.h> #ifdef CONFIG_SMP #error not SMP safe @@ -29,12 +30,6 @@ * We do not have SMP systems, so we don't have to deal with that. */ -/* Atomic operations are already serializing */ -#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() - #define ATOMIC_INIT(i) { (i) } #define atomic_read(v) (*(volatile int *)&(v)->counter) #define atomic_set(v, i) (((v)->counter) = (i)) diff --git a/arch/frv/include/asm/bitops.h b/arch/frv/include/asm/bitops.h index 57bf85db893f..96de220ef131 100644 --- a/arch/frv/include/asm/bitops.h +++ b/arch/frv/include/asm/bitops.h @@ -25,12 +25,6 @@ #include <asm-generic/bitops/ffz.h> -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() - #ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS static inline unsigned long atomic_test_and_ANDNOT_mask(unsigned long mask, volatile unsigned long *v) |
