linux-kernel - [PATCH 1/9] remove volatile keyword from clflush.

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Message-Id: <1196867319253-git-send-email-gcosta@redhat.com>
Date:	Wed,  5 Dec 2007 13:08:25 -0200
From:	Glauber de Oliveira Costa <gcosta@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...ux-foundation.org, glommer@...il.com, tglx@...utronix.de,
	mingo@...e.hu, ehabkost@...hat.com, jeremy@...p.org,
	avi@...ranet.com, anthony@...emonkey.ws,
	virtualization@...ts.linux-foundation.org, rusty@...tcorp.com.au,
	ak@...e.de, chrisw@...s-sol.org, rostedt@...dmis.org,
	hpa@...or.com, Glauber de Oliveira Costa <gcosta@...hat.com>
Subject: [PATCH 1/9] remove volatile keyword from clflush.

the p parameter is an explicit memory reference, and is
enough to prevent gcc to being nasty here. The volatile
seems completely not needed.

Signed-off-by: Glauber de Oliveira Costa <gcosta@...hat.com>
---
 include/asm-x86/system_32.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/asm-x86/system_32.h b/include/asm-x86/system_32.h
index ef84688..27e106d 100644
--- a/include/asm-x86/system_32.h
+++ b/include/asm-x86/system_32.h
@@ -161,7 +161,7 @@ static inline void native_wbinvd(void)
 	asm volatile("wbinvd": : :"memory");
 }
 
-static inline void clflush(volatile void *__p)
+static inline void clflush(void *__p)
 {
 	asm volatile("clflush %0" : "+m" (*(char __force *)__p));
 }
-- 
1.4.4.2

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