diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h index e8eb3d53a241614dac724103806ce94e296954da..37b2befe651a5e3b1c2ea2e37486065f24911867 100644 --- a/arch/mips/include/asm/atomic.h +++ b/arch/mips/include/asm/atomic.h @@ -761,13 +761,4 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) #endif /* CONFIG_64BIT */ -/* - * atomic*_return operations are serializing but not the non-*_return - * versions. - */ -#define smp_mb__before_atomic_dec() smp_mb__before_llsc() -#define smp_mb__after_atomic_dec() smp_llsc_mb() -#define smp_mb__before_atomic_inc() smp_mb__before_llsc() -#define smp_mb__after_atomic_inc() smp_llsc_mb() - #endif /* _ASM_ATOMIC_H */ diff --git a/arch/mips/include/asm/barrier.h b/arch/mips/include/asm/barrier.h index e1aa4e4c2984230e2353760a4b9863387d90ad24..d0101dd0575eecce92dbda6f03b6daada470fb47 100644 --- a/arch/mips/include/asm/barrier.h +++ b/arch/mips/include/asm/barrier.h @@ -195,4 +195,7 @@ do { \ ___p1; \ }) +#define smp_mb__before_atomic() smp_mb__before_llsc() +#define smp_mb__after_atomic() smp_llsc_mb() + #endif /* __ASM_BARRIER_H */ diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h index 6a65d49e2c0d4e5284173189b3f33316d4e069bb..7c8816f7b7c4a8d86f571a9f034e8af122a0786d 100644 --- a/arch/mips/include/asm/bitops.h +++ b/arch/mips/include/asm/bitops.h @@ -37,13 +37,6 @@ #define __EXT "dext " #endif -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ -#define smp_mb__before_clear_bit() smp_mb__before_llsc() -#define smp_mb__after_clear_bit() smp_llsc_mb() - - /* * These are the "slower" versions of the functions and are in bitops.c. * These functions call raw_local_irq_{save,restore}(). @@ -120,7 +113,7 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr) * * clear_bit() is atomic and may not be reordered. However, it does * not contain a memory barrier, so if it is used for locking purposes, - * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit() + * you should call smp_mb__before_atomic() and/or smp_mb__after_atomic() * in order to ensure changes are visible on other processors. */ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) @@ -175,7 +168,7 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) */ static inline void clear_bit_unlock(unsigned long nr, volatile unsigned long *addr) { - smp_mb__before_clear_bit(); + smp_mb__before_atomic(); clear_bit(nr, addr); } diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c index d1fea7a054be6bc3024ef3e8496e7d44f01d0cbf..1818da4dbb855620c481014f974eba0c7f3ec0bb 100644 --- a/arch/mips/kernel/irq.c +++ b/arch/mips/kernel/irq.c @@ -62,9 +62,9 @@ void __init alloc_legacy_irqno(void) void free_irqno(unsigned int irq) { - smp_mb__before_clear_bit(); + smp_mb__before_atomic(); clear_bit(irq, irq_map); - smp_mb__after_clear_bit(); + smp_mb__after_atomic(); } /*