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Date: Mon, 14 Jul 2003 13:32:15 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Message-Id: <200307141232.h6ECWFOu030968@hraefn.swansea.linux.org.uk>
To: linux-kernel@vger.kernel.org, marcelo@conectiva.com
Subject: PATCH: make rep-nop a barrier as in 2.5
Sender: linux-kernel-owner@vger.kernel.org
X-Mailing-List: linux-kernel@vger.kernel.org

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.22-pre5/include/asm-i386/processor.h linux.22-pre5-ac1/include/asm-i386/processor.h
--- linux.22-pre5/include/asm-i386/processor.h	2003-07-14 12:27:42.000000000 +0100
+++ linux.22-pre5-ac1/include/asm-i386/processor.h	2003-07-08 23:31:26.000000000 +0100
@@ -468,7 +471,7 @@
 /* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
 static inline void rep_nop(void)
 {
-	__asm__ __volatile__("rep;nop");
+	__asm__ __volatile__("rep;nop" ::: "memory");
 }
 
 #define cpu_relax()	rep_nop()