From: Vladimir Murzin <murzin.v@gmail.com>
Date: Mon, 17 Sep 2012 16:57:08 +0000 (+0400)
Subject: openrisc: Make cpu_relax() invoke barrier()
X-Git-Tag: upstream/snapshot3+hdmi~6433^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9b76beb071be6fbfd0743feedfdd844f57d4f345;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

openrisc: Make cpu_relax() invoke barrier()

Make cpu_relax() invoke barrier() to be the same as other arches.

Signed-off-by: Vladimir Murzin <murzin.v@gmail.com>
Signed-off-by: Jonas Bonn <jonas@southpole.se>
---

diff --git a/arch/openrisc/include/asm/processor.h b/arch/openrisc/include/asm/processor.h
index 30462f1..43decdb 100644
--- a/arch/openrisc/include/asm/processor.h
+++ b/arch/openrisc/include/asm/processor.h
@@ -103,7 +103,7 @@ extern unsigned long thread_saved_pc(struct task_struct *t);
 
 #define init_stack      (init_thread_union.stack)
 
-#define cpu_relax()     do { } while (0)
+#define cpu_relax()     barrier()
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ASM_OPENRISC_PROCESSOR_H */