diff options
-rw-r--r-- | arch/powerpc/include/asm/cmpxchg.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/powerpc/include/asm/cmpxchg.h b/arch/powerpc/include/asm/cmpxchg.h index ad6263cffb0f..d1a8d93cccfd 100644 --- a/arch/powerpc/include/asm/cmpxchg.h +++ b/arch/powerpc/include/asm/cmpxchg.h | |||
@@ -18,12 +18,12 @@ __xchg_u32(volatile void *p, unsigned long val) | |||
18 | unsigned long prev; | 18 | unsigned long prev; |
19 | 19 | ||
20 | __asm__ __volatile__( | 20 | __asm__ __volatile__( |
21 | PPC_RELEASE_BARRIER | 21 | PPC_ATOMIC_ENTRY_BARRIER |
22 | "1: lwarx %0,0,%2 \n" | 22 | "1: lwarx %0,0,%2 \n" |
23 | PPC405_ERR77(0,%2) | 23 | PPC405_ERR77(0,%2) |
24 | " stwcx. %3,0,%2 \n\ | 24 | " stwcx. %3,0,%2 \n\ |
25 | bne- 1b" | 25 | bne- 1b" |
26 | PPC_ACQUIRE_BARRIER | 26 | PPC_ATOMIC_EXIT_BARRIER |
27 | : "=&r" (prev), "+m" (*(volatile unsigned int *)p) | 27 | : "=&r" (prev), "+m" (*(volatile unsigned int *)p) |
28 | : "r" (p), "r" (val) | 28 | : "r" (p), "r" (val) |
29 | : "cc", "memory"); | 29 | : "cc", "memory"); |
@@ -61,12 +61,12 @@ __xchg_u64(volatile void *p, unsigned long val) | |||
61 | unsigned long prev; | 61 | unsigned long prev; |
62 | 62 | ||
63 | __asm__ __volatile__( | 63 | __asm__ __volatile__( |
64 | PPC_RELEASE_BARRIER | 64 | PPC_ATOMIC_ENTRY_BARRIER |
65 | "1: ldarx %0,0,%2 \n" | 65 | "1: ldarx %0,0,%2 \n" |
66 | PPC405_ERR77(0,%2) | 66 | PPC405_ERR77(0,%2) |
67 | " stdcx. %3,0,%2 \n\ | 67 | " stdcx. %3,0,%2 \n\ |
68 | bne- 1b" | 68 | bne- 1b" |
69 | PPC_ACQUIRE_BARRIER | 69 | PPC_ATOMIC_EXIT_BARRIER |
70 | : "=&r" (prev), "+m" (*(volatile unsigned long *)p) | 70 | : "=&r" (prev), "+m" (*(volatile unsigned long *)p) |
71 | : "r" (p), "r" (val) | 71 | : "r" (p), "r" (val) |
72 | : "cc", "memory"); | 72 | : "cc", "memory"); |
@@ -151,14 +151,14 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new) | |||
151 | unsigned int prev; | 151 | unsigned int prev; |
152 | 152 | ||
153 | __asm__ __volatile__ ( | 153 | __asm__ __volatile__ ( |
154 | PPC_RELEASE_BARRIER | 154 | PPC_ATOMIC_ENTRY_BARRIER |
155 | "1: lwarx %0,0,%2 # __cmpxchg_u32\n\ | 155 | "1: lwarx %0,0,%2 # __cmpxchg_u32\n\ |
156 | cmpw 0,%0,%3\n\ | 156 | cmpw 0,%0,%3\n\ |
157 | bne- 2f\n" | 157 | bne- 2f\n" |
158 | PPC405_ERR77(0,%2) | 158 | PPC405_ERR77(0,%2) |
159 | " stwcx. %4,0,%2\n\ | 159 | " stwcx. %4,0,%2\n\ |
160 | bne- 1b" | 160 | bne- 1b" |
161 | PPC_ACQUIRE_BARRIER | 161 | PPC_ATOMIC_EXIT_BARRIER |
162 | "\n\ | 162 | "\n\ |
163 | 2:" | 163 | 2:" |
164 | : "=&r" (prev), "+m" (*p) | 164 | : "=&r" (prev), "+m" (*p) |
@@ -197,13 +197,13 @@ __cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new) | |||
197 | unsigned long prev; | 197 | unsigned long prev; |
198 | 198 | ||
199 | __asm__ __volatile__ ( | 199 | __asm__ __volatile__ ( |
200 | PPC_RELEASE_BARRIER | 200 | PPC_ATOMIC_ENTRY_BARRIER |
201 | "1: ldarx %0,0,%2 # __cmpxchg_u64\n\ | 201 | "1: ldarx %0,0,%2 # __cmpxchg_u64\n\ |
202 | cmpd 0,%0,%3\n\ | 202 | cmpd 0,%0,%3\n\ |
203 | bne- 2f\n\ | 203 | bne- 2f\n\ |
204 | stdcx. %4,0,%2\n\ | 204 | stdcx. %4,0,%2\n\ |
205 | bne- 1b" | 205 | bne- 1b" |
206 | PPC_ACQUIRE_BARRIER | 206 | PPC_ATOMIC_EXIT_BARRIER |
207 | "\n\ | 207 | "\n\ |
208 | 2:" | 208 | 2:" |
209 | : "=&r" (prev), "+m" (*p) | 209 | : "=&r" (prev), "+m" (*p) |