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-rw-r--r--include/asm-sh/processor.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-sh/processor.h b/include/asm-sh/processor.h
index fa5bd2d8803..eeb0f48bb99 100644
--- a/include/asm-sh/processor.h
+++ b/include/asm-sh/processor.h
@@ -9,6 +9,7 @@
#define __ASM_SH_PROCESSOR_H
#ifdef __KERNEL__
+#include <linux/compiler.h>
#include <asm/page.h>
#include <asm/types.h>
#include <asm/cache.h>
@@ -263,7 +264,7 @@ extern unsigned long get_wchan(struct task_struct *p);
#define KSTK_ESP(tsk) ((tsk)->thread.sp)
#define cpu_sleep() __asm__ __volatile__ ("sleep" : : : "memory")
-#define cpu_relax() do { } while (0)
+#define cpu_relax() barrier()
#endif /* __KERNEL__ */
#endif /* __ASM_SH_PROCESSOR_H */