#endif /* CONFIG_X86_PPRO_FENCE */
#define dma_wmb() barrier()
-#ifdef CONFIG_SMP
-
-#define smp_mb() mb()
-#define smp_rmb() dma_rmb()
-#define smp_wmb() barrier()
-#define set_mb(var, value) do { (void)xchg(&var, value); } while (0)
-
-#else /* CONFIG_SMP */
-
#define smp_mb() barrier()
#define smp_rmb() barrier()
#define smp_wmb() barrier()
#define set_mb(var, value) do { var = value; barrier(); } while (0)
-#endif /* CONFIG_SMP */
-
#define read_barrier_depends() do { } while (0)
#define smp_read_barrier_depends() do { } while (0)