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Diffstat (limited to 'arch/x86/um/asm/barrier.h')
-rw-r--r--arch/x86/um/asm/barrier.h11
1 files changed, 0 insertions, 11 deletions
diff --git a/arch/x86/um/asm/barrier.h b/arch/x86/um/asm/barrier.h
index 2d7d9a1f5b53..aec75a5d8722 100644
--- a/arch/x86/um/asm/barrier.h
+++ b/arch/x86/um/asm/barrier.h
@@ -36,22 +36,11 @@
#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)