diff options
Diffstat (limited to 'arch/riscv/include/asm/cmpxchg.h')
| -rw-r--r-- | arch/riscv/include/asm/cmpxchg.h | 59 |
1 files changed, 23 insertions, 36 deletions
diff --git a/arch/riscv/include/asm/cmpxchg.h b/arch/riscv/include/asm/cmpxchg.h index d969bab4a26b..2fee65cc8443 100644 --- a/arch/riscv/include/asm/cmpxchg.h +++ b/arch/riscv/include/asm/cmpxchg.h @@ -8,7 +8,6 @@ #include <linux/bug.h> -#include <asm/barrier.h> #include <asm/fence.h> #define __xchg_relaxed(ptr, new, size) \ @@ -37,7 +36,7 @@ __ret; \ }) -#define xchg_relaxed(ptr, x) \ +#define arch_xchg_relaxed(ptr, x) \ ({ \ __typeof__(*(ptr)) _x_ = (x); \ (__typeof__(*(ptr))) __xchg_relaxed((ptr), \ @@ -72,7 +71,7 @@ __ret; \ }) -#define xchg_acquire(ptr, x) \ +#define arch_xchg_acquire(ptr, x) \ ({ \ __typeof__(*(ptr)) _x_ = (x); \ (__typeof__(*(ptr))) __xchg_acquire((ptr), \ @@ -107,14 +106,14 @@ __ret; \ }) -#define xchg_release(ptr, x) \ +#define arch_xchg_release(ptr, x) \ ({ \ __typeof__(*(ptr)) _x_ = (x); \ (__typeof__(*(ptr))) __xchg_release((ptr), \ _x_, sizeof(*(ptr))); \ }) -#define __xchg(ptr, new, size) \ +#define __arch_xchg(ptr, new, size) \ ({ \ __typeof__(ptr) __ptr = (ptr); \ __typeof__(new) __new = (new); \ @@ -140,22 +139,22 @@ __ret; \ }) -#define xchg(ptr, x) \ +#define arch_xchg(ptr, x) \ ({ \ __typeof__(*(ptr)) _x_ = (x); \ - (__typeof__(*(ptr))) __xchg((ptr), _x_, sizeof(*(ptr))); \ + (__typeof__(*(ptr))) __arch_xchg((ptr), _x_, sizeof(*(ptr))); \ }) #define xchg32(ptr, x) \ ({ \ BUILD_BUG_ON(sizeof(*(ptr)) != 4); \ - xchg((ptr), (x)); \ + arch_xchg((ptr), (x)); \ }) #define xchg64(ptr, x) \ ({ \ BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ - xchg((ptr), (x)); \ + arch_xchg((ptr), (x)); \ }) /* @@ -179,7 +178,7 @@ " bnez %1, 0b\n" \ "1:\n" \ : "=&r" (__ret), "=&r" (__rc), "+A" (*__ptr) \ - : "rJ" (__old), "rJ" (__new) \ + : "rJ" ((long)__old), "rJ" (__new) \ : "memory"); \ break; \ case 8: \ @@ -199,7 +198,7 @@ __ret; \ }) -#define cmpxchg_relaxed(ptr, o, n) \ +#define arch_cmpxchg_relaxed(ptr, o, n) \ ({ \ __typeof__(*(ptr)) _o_ = (o); \ __typeof__(*(ptr)) _n_ = (n); \ @@ -224,7 +223,7 @@ RISCV_ACQUIRE_BARRIER \ "1:\n" \ : "=&r" (__ret), "=&r" (__rc), "+A" (*__ptr) \ - : "rJ" (__old), "rJ" (__new) \ + : "rJ" ((long)__old), "rJ" (__new) \ : "memory"); \ break; \ case 8: \ @@ -245,7 +244,7 @@ __ret; \ }) -#define cmpxchg_acquire(ptr, o, n) \ +#define arch_cmpxchg_acquire(ptr, o, n) \ ({ \ __typeof__(*(ptr)) _o_ = (o); \ __typeof__(*(ptr)) _n_ = (n); \ @@ -270,7 +269,7 @@ " bnez %1, 0b\n" \ "1:\n" \ : "=&r" (__ret), "=&r" (__rc), "+A" (*__ptr) \ - : "rJ" (__old), "rJ" (__new) \ + : "rJ" ((long)__old), "rJ" (__new) \ : "memory"); \ break; \ case 8: \ @@ -291,7 +290,7 @@ __ret; \ }) -#define cmpxchg_release(ptr, o, n) \ +#define arch_cmpxchg_release(ptr, o, n) \ ({ \ __typeof__(*(ptr)) _o_ = (o); \ __typeof__(*(ptr)) _n_ = (n); \ @@ -313,10 +312,10 @@ " bne %0, %z3, 1f\n" \ " sc.w.rl %1, %z4, %2\n" \ " bnez %1, 0b\n" \ - " fence rw, rw\n" \ + RISCV_FULL_BARRIER \ "1:\n" \ : "=&r" (__ret), "=&r" (__rc), "+A" (*__ptr) \ - : "rJ" (__old), "rJ" (__new) \ + : "rJ" ((long)__old), "rJ" (__new) \ : "memory"); \ break; \ case 8: \ @@ -325,7 +324,7 @@ " bne %0, %z3, 1f\n" \ " sc.d.rl %1, %z4, %2\n" \ " bnez %1, 0b\n" \ - " fence rw, rw\n" \ + RISCV_FULL_BARRIER \ "1:\n" \ : "=&r" (__ret), "=&r" (__rc), "+A" (*__ptr) \ : "rJ" (__old), "rJ" (__new) \ @@ -337,7 +336,7 @@ __ret; \ }) -#define cmpxchg(ptr, o, n) \ +#define arch_cmpxchg(ptr, o, n) \ ({ \ __typeof__(*(ptr)) _o_ = (o); \ __typeof__(*(ptr)) _n_ = (n); \ @@ -345,31 +344,19 @@ _o_, _n_, sizeof(*(ptr))); \ }) -#define cmpxchg_local(ptr, o, n) \ +#define arch_cmpxchg_local(ptr, o, n) \ (__cmpxchg_relaxed((ptr), (o), (n), sizeof(*(ptr)))) -#define cmpxchg32(ptr, o, n) \ -({ \ - BUILD_BUG_ON(sizeof(*(ptr)) != 4); \ - cmpxchg((ptr), (o), (n)); \ -}) - -#define cmpxchg32_local(ptr, o, n) \ -({ \ - BUILD_BUG_ON(sizeof(*(ptr)) != 4); \ - cmpxchg_relaxed((ptr), (o), (n)) \ -}) - -#define cmpxchg64(ptr, o, n) \ +#define arch_cmpxchg64(ptr, o, n) \ ({ \ BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ - cmpxchg((ptr), (o), (n)); \ + arch_cmpxchg((ptr), (o), (n)); \ }) -#define cmpxchg64_local(ptr, o, n) \ +#define arch_cmpxchg64_local(ptr, o, n) \ ({ \ BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ - cmpxchg_relaxed((ptr), (o), (n)); \ + arch_cmpxchg_relaxed((ptr), (o), (n)); \ }) #endif /* _ASM_RISCV_CMPXCHG_H */ |