diff options
Diffstat (limited to 'include/asm-arm/bitops.h')
| -rw-r--r-- | include/asm-arm/bitops.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/asm-arm/bitops.h b/include/asm-arm/bitops.h index 4edd4dc40c5..aad7aad026b 100644 --- a/include/asm-arm/bitops.h +++ b/include/asm-arm/bitops.h @@ -21,8 +21,8 @@ #include <asm/system.h> -#define smp_mb__before_clear_bit() do { } while (0) -#define smp_mb__after_clear_bit() do { } while (0) +#define smp_mb__before_clear_bit() mb() +#define smp_mb__after_clear_bit() mb() /* * These functions are the basis of our bit ops. @@ -229,6 +229,7 @@ extern int _find_next_zero_bit_be(const void * p, int size, int offset); extern int _find_first_bit_be(const unsigned long *p, unsigned size); extern int _find_next_bit_be(const unsigned long *p, int size, int offset); +#ifndef CONFIG_SMP /* * The __* form of bitops are non-atomic and may be reordered. */ @@ -241,6 +242,10 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset); (__builtin_constant_p(nr) ? \ ____atomic_##name(nr, p) : \ _##name##_be(nr,p)) +#else +#define ATOMIC_BITOP_LE(name,nr,p) _##name##_le(nr,p) +#define ATOMIC_BITOP_BE(name,nr,p) _##name##_be(nr,p) +#endif #define NONATOMIC_BITOP(name,nr,p) \ (____nonatomic_##name(nr, p)) |