| #ifndef _KVM_BARRIER_H_ | |
| #define _KVM_BARRIER_H_ | |
| #define barrier() asm volatile("": : :"memory") | |
| #define mb() asm volatile (".set push\n\t.set mips2\n\tsync\n\t.set pop": : :"memory") | |
| #define rmb() mb() | |
| #define wmb() mb() | |
| #ifdef CONFIG_SMP | |
| #define smp_mb() mb() | |
| #define smp_rmb() rmb() | |
| #define smp_wmb() wmb() | |
| #else | |
| #define smp_mb() barrier() | |
| #define smp_rmb() barrier() | |
| #define smp_wmb() barrier() | |
| #endif | |
| #endif /* _KVM_BARRIER_H_ */ |