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 4edd4dc40c5b..aad7aad026b3 100644 --- a/include/asm-arm/bitops.h +++ b/include/asm-arm/bitops.h | |||
@@ -21,8 +21,8 @@ | |||
21 | 21 | ||
22 | #include <asm/system.h> | 22 | #include <asm/system.h> |
23 | 23 | ||
24 | #define smp_mb__before_clear_bit() do { } while (0) | 24 | #define smp_mb__before_clear_bit() mb() |
25 | #define smp_mb__after_clear_bit() do { } while (0) | 25 | #define smp_mb__after_clear_bit() mb() |
26 | 26 | ||
27 | /* | 27 | /* |
28 | * These functions are the basis of our bit ops. | 28 | * 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); | |||
229 | extern int _find_first_bit_be(const unsigned long *p, unsigned size); | 229 | extern int _find_first_bit_be(const unsigned long *p, unsigned size); |
230 | extern int _find_next_bit_be(const unsigned long *p, int size, int offset); | 230 | extern int _find_next_bit_be(const unsigned long *p, int size, int offset); |
231 | 231 | ||
232 | #ifndef CONFIG_SMP | ||
232 | /* | 233 | /* |
233 | * The __* form of bitops are non-atomic and may be reordered. | 234 | * The __* form of bitops are non-atomic and may be reordered. |
234 | */ | 235 | */ |
@@ -241,6 +242,10 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset); | |||
241 | (__builtin_constant_p(nr) ? \ | 242 | (__builtin_constant_p(nr) ? \ |
242 | ____atomic_##name(nr, p) : \ | 243 | ____atomic_##name(nr, p) : \ |
243 | _##name##_be(nr,p)) | 244 | _##name##_be(nr,p)) |
245 | #else | ||
246 | #define ATOMIC_BITOP_LE(name,nr,p) _##name##_le(nr,p) | ||
247 | #define ATOMIC_BITOP_BE(name,nr,p) _##name##_be(nr,p) | ||
248 | #endif | ||
244 | 249 | ||
245 | #define NONATOMIC_BITOP(name,nr,p) \ | 250 | #define NONATOMIC_BITOP(name,nr,p) \ |
246 | (____nonatomic_##name(nr, p)) | 251 | (____nonatomic_##name(nr, p)) |