diff options
Diffstat (limited to 'arch/avr32/include/asm/barrier.h')
| -rw-r--r-- | arch/avr32/include/asm/barrier.h | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/arch/avr32/include/asm/barrier.h b/arch/avr32/include/asm/barrier.h index 0961275373db..715100790fd0 100644 --- a/arch/avr32/include/asm/barrier.h +++ b/arch/avr32/include/asm/barrier.h @@ -8,22 +8,15 @@ #ifndef __ASM_AVR32_BARRIER_H #define __ASM_AVR32_BARRIER_H -#define nop() asm volatile("nop") - -#define mb() asm volatile("" : : : "memory") -#define rmb() mb() -#define wmb() asm volatile("sync 0" : : : "memory") -#define read_barrier_depends() do { } while(0) -#define set_mb(var, value) do { var = value; mb(); } while(0) +/* + * Weirdest thing ever.. no full barrier, but it has a write barrier! + */ +#define wmb() asm volatile("sync 0" : : : "memory") #ifdef CONFIG_SMP # error "The AVR32 port does not support SMP" -#else -# define smp_mb() barrier() -# define smp_rmb() barrier() -# define smp_wmb() barrier() -# define smp_read_barrier_depends() do { } while(0) #endif +#include <asm-generic/barrier.h> #endif /* __ASM_AVR32_BARRIER_H */ |