diff options
Diffstat (limited to 'include/linux/atomic.h')
| -rw-r--r-- | include/linux/atomic.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/atomic.h b/include/linux/atomic.h index 5b08a8540ecf..fef3a809e7cf 100644 --- a/include/linux/atomic.h +++ b/include/linux/atomic.h @@ -3,6 +3,42 @@ #define _LINUX_ATOMIC_H #include <asm/atomic.h> +/* + * Provide __deprecated wrappers for the new interface, avoid flag day changes. + * We need the ugly external functions to break header recursion hell. + */ +#ifndef smp_mb__before_atomic_inc +static inline void __deprecated smp_mb__before_atomic_inc(void) +{ + extern void __smp_mb__before_atomic(void); + __smp_mb__before_atomic(); +} +#endif + +#ifndef smp_mb__after_atomic_inc +static inline void __deprecated smp_mb__after_atomic_inc(void) +{ + extern void __smp_mb__after_atomic(void); + __smp_mb__after_atomic(); +} +#endif + +#ifndef smp_mb__before_atomic_dec +static inline void __deprecated smp_mb__before_atomic_dec(void) +{ + extern void __smp_mb__before_atomic(void); + __smp_mb__before_atomic(); +} +#endif + +#ifndef smp_mb__after_atomic_dec +static inline void __deprecated smp_mb__after_atomic_dec(void) +{ + extern void __smp_mb__after_atomic(void); + __smp_mb__after_atomic(); +} +#endif + /** * atomic_add_unless - add unless the number is already a given value * @v: pointer of type atomic_t |