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-rw-r--r--arch/x86/include/asm/io.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index 686247db3106..a06a9f8294ea 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -90,8 +90,6 @@ build_mmio_write(__writel, "l", unsigned int, "r", )
#define __raw_writew __writew
#define __raw_writel __writel
-#define mmiowb() barrier()
-
#ifdef CONFIG_X86_64
build_mmio_read(readq, "q", u64, "=r", :"memory")