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Diffstat (limited to 'arch/x86/include/asm/io_32.h')
-rw-r--r--arch/x86/include/asm/io_32.h10
1 files changed, 2 insertions, 8 deletions
diff --git a/arch/x86/include/asm/io_32.h b/arch/x86/include/asm/io_32.h
index 685e3329346..e8177f3b87f 100644
--- a/arch/x86/include/asm/io_32.h
+++ b/arch/x86/include/asm/io_32.h
@@ -84,18 +84,12 @@ memcpy_toio(volatile void __iomem *dst, const void *src, size_t count)
* 2. Accidentally out of order processors (PPro errata #51)
*/
-#if defined(CONFIG_X86_OOSTORE) || defined(CONFIG_X86_PPRO_FENCE)
-
static inline void flush_write_buffers(void)
{
+#if defined(CONFIG_X86_OOSTORE) || defined(CONFIG_X86_PPRO_FENCE)
asm volatile("lock; addl $0,0(%%esp)": : :"memory");
-}
-
-#else
-
-#define flush_write_buffers() do { } while (0)
-
#endif
+}
#endif /* __KERNEL__ */