Implement the new barriers; as per the old versions the metag atomic imply a full barrier. Signed-off-by: Peter Zijlstra --- arch/metag/include/asm/atomic.h | 6 +----- arch/metag/include/asm/barrier.h | 3 +++ arch/metag/include/asm/bitops.h | 6 ------ 3 files changed, 4 insertions(+), 11 deletions(-) --- a/arch/metag/include/asm/atomic.h +++ b/arch/metag/include/asm/atomic.h @@ -4,6 +4,7 @@ #include #include #include +#include #if defined(CONFIG_METAG_ATOMICITY_IRQSOFF) /* The simple UP case. */ @@ -39,11 +40,6 @@ #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - #endif #define atomic_dec_if_positive(v) atomic_sub_if_positive(1, v) --- a/arch/metag/include/asm/barrier.h +++ b/arch/metag/include/asm/barrier.h @@ -97,4 +97,7 @@ do { \ ___p1; \ }) +#define smp_mb__before_atomic() barrier() +#define smp_mb__after_atomic() barrier() + #endif /* _ASM_METAG_BARRIER_H */ --- a/arch/metag/include/asm/bitops.h +++ b/arch/metag/include/asm/bitops.h @@ -5,12 +5,6 @@ #include #include -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() - #ifdef CONFIG_SMP /* * These functions are the basis of our bit ops. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/