X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Fasm-s390%2Fatomic.h;h=2d184655bc5d9b3cad0e9c1bddec672af404c042;hb=cec03afcb62fbbb0eaf943f6349ade61b89d7d40;hp=c17bdbf220672bb522b0a81d241c703d157b0427;hpb=a22a0fab32e1216df56e4b9a577dc5c922cf7524;p=linux-2.6-omap-h63xx.git diff --git a/include/asm-s390/atomic.h b/include/asm-s390/atomic.h index c17bdbf2206..2d184655bc5 100644 --- a/include/asm-s390/atomic.h +++ b/include/asm-s390/atomic.h @@ -24,7 +24,7 @@ */ typedef struct { - volatile int counter; + int counter; } __attribute__ ((aligned (4))) atomic_t; #define ATOMIC_INIT(i) { (i) } @@ -67,8 +67,17 @@ typedef struct { #endif /* __GNUC__ */ -#define atomic_read(v) ((v)->counter) -#define atomic_set(v,i) (((v)->counter) = (i)) +static inline int atomic_read(const atomic_t *v) +{ + barrier(); + return v->counter; +} + +static inline void atomic_set(atomic_t *v, int i) +{ + v->counter = i; + barrier(); +} static __inline__ int atomic_add_return(int i, atomic_t * v) { @@ -141,7 +150,7 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) #ifdef __s390x__ typedef struct { - volatile long long counter; + long long counter; } __attribute__ ((aligned (8))) atomic64_t; #define ATOMIC64_INIT(i) { (i) } @@ -182,8 +191,17 @@ typedef struct { #endif /* __GNUC__ */ -#define atomic64_read(v) ((v)->counter) -#define atomic64_set(v,i) (((v)->counter) = (i)) +static inline long long atomic64_read(const atomic64_t *v) +{ + barrier(); + return v->counter; +} + +static inline void atomic64_set(atomic64_t *v, long long i) +{ + v->counter = i; + barrier(); +} static __inline__ long long atomic64_add_return(long long i, atomic64_t * v) {