linux-kernel - [PATCH] MN10300: Make cpu

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Message-ID: <20080507143154.16216.80041.stgit@warthog.procyon.org.uk>
Date:	Wed, 07 May 2008 15:31:54 +0100
From:	David Howells <dhowells@...hat.com>
To:	torvalds@...l.org, akpm@...ux-foundation.org,
	bhutchings@...arflare.com
Cc:	linux-am33-list@...hat.com, linux-kernel@...r.kernel.org
Subject: [PATCH] MN10300: Make cpu_relax() invoke barrier()

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

Signed-off-by: David Howells <dhowells@...hat.com>
---

 include/asm-mn10300/processor.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)


diff --git a/include/asm-mn10300/processor.h b/include/asm-mn10300/processor.h
index f1b081f..7323927 100644
--- a/include/asm-mn10300/processor.h
+++ b/include/asm-mn10300/processor.h
@@ -58,7 +58,7 @@ extern struct mn10300_cpuinfo boot_cpu_data;
 extern void identify_cpu(struct mn10300_cpuinfo *);
 extern void print_cpu_info(struct mn10300_cpuinfo *);
 extern void dodgy_tsc(void);
-#define cpu_relax() do {} while (0)
+#define cpu_relax() barrier()
 
 /*
  * User space process size: 1.75GB (default).

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