diff options
-rw-r--r-- | arch/arm/lib/bitops.h | 2 | ||||
-rw-r--r-- | include/asm-arm/bitops.h | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h index 5382a3023602..2036ff15bda9 100644 --- a/arch/arm/lib/bitops.h +++ b/arch/arm/lib/bitops.h | |||
@@ -7,7 +7,7 @@ | |||
7 | 1: ldrexb r2, [r1] | 7 | 1: ldrexb r2, [r1] |
8 | \instr r2, r2, r3 | 8 | \instr r2, r2, r3 |
9 | strexb r0, r2, [r1] | 9 | strexb r0, r2, [r1] |
10 | cmpne r0, #0 | 10 | cmp r0, #0 |
11 | bne 1b | 11 | bne 1b |
12 | mov pc, lr | 12 | mov pc, lr |
13 | .endm | 13 | .endm |
diff --git a/include/asm-arm/bitops.h b/include/asm-arm/bitops.h index c1adc6b3e86d..aad7aad026b3 100644 --- a/include/asm-arm/bitops.h +++ b/include/asm-arm/bitops.h | |||
@@ -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)) |