diff options
Diffstat (limited to 'arch/arm64/include/asm/atomic_ll_sc.h')
| -rw-r--r-- | arch/arm64/include/asm/atomic_ll_sc.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/atomic_ll_sc.h b/arch/arm64/include/asm/atomic_ll_sc.h index 66e992a58f6b..c33fa2cd399e 100644 --- a/arch/arm64/include/asm/atomic_ll_sc.h +++ b/arch/arm64/include/asm/atomic_ll_sc.h @@ -21,6 +21,10 @@ #ifndef __ASM_ATOMIC_LL_SC_H #define __ASM_ATOMIC_LL_SC_H +#ifndef __ARM64_IN_ATOMIC_IMPL +#error "please don't include this file directly" +#endif + /* * AArch64 UP and SMP safe atomic ops. We use load exclusive and * store exclusive to ensure that these are atomic. We may loop @@ -41,6 +45,10 @@ #define __LL_SC_PREFIX(x) x #endif +#ifndef __LL_SC_EXPORT +#define __LL_SC_EXPORT(x) +#endif + #define ATOMIC_OP(op, asm_op) \ __LL_SC_INLINE void \ __LL_SC_PREFIX(atomic_##op(int i, atomic_t *v)) \ @@ -56,6 +64,7 @@ __LL_SC_PREFIX(atomic_##op(int i, atomic_t *v)) \ : "=&r" (result), "=&r" (tmp), "+Q" (v->counter) \ : "Ir" (i)); \ } \ +__LL_SC_EXPORT(atomic_##op); #define ATOMIC_OP_RETURN(op, asm_op) \ __LL_SC_INLINE int \ @@ -75,7 +84,8 @@ __LL_SC_PREFIX(atomic_##op##_return(int i, atomic_t *v)) \ \ smp_mb(); \ return result; \ -} +} \ +__LL_SC_EXPORT(atomic_##op##_return); #define ATOMIC_OPS(op, asm_op) \ ATOMIC_OP(op, asm_op) \ @@ -115,6 +125,7 @@ __LL_SC_PREFIX(atomic_cmpxchg(atomic_t *ptr, int old, int new)) smp_mb(); return oldval; } +__LL_SC_EXPORT(atomic_cmpxchg); #define ATOMIC64_OP(op, asm_op) \ __LL_SC_INLINE void \ @@ -131,6 +142,7 @@ __LL_SC_PREFIX(atomic64_##op(long i, atomic64_t *v)) \ : "=&r" (result), "=&r" (tmp), "+Q" (v->counter) \ : "Ir" (i)); \ } \ +__LL_SC_EXPORT(atomic64_##op); #define ATOMIC64_OP_RETURN(op, asm_op) \ __LL_SC_INLINE long \ @@ -150,7 +162,8 @@ __LL_SC_PREFIX(atomic64_##op##_return(long i, atomic64_t *v)) \ \ smp_mb(); \ return result; \ -} +} \ +__LL_SC_EXPORT(atomic64_##op##_return); #define ATOMIC64_OPS(op, asm_op) \ ATOMIC64_OP(op, asm_op) \ @@ -190,6 +203,7 @@ __LL_SC_PREFIX(atomic64_cmpxchg(atomic64_t *ptr, long old, long new)) smp_mb(); return oldval; } +__LL_SC_EXPORT(atomic64_cmpxchg); __LL_SC_INLINE long __LL_SC_PREFIX(atomic64_dec_if_positive(atomic64_t *v)) @@ -211,5 +225,6 @@ __LL_SC_PREFIX(atomic64_dec_if_positive(atomic64_t *v)) return result; } +__LL_SC_EXPORT(atomic64_dec_if_positive); #endif /* __ASM_ATOMIC_LL_SC_H */ |