linux-kernel - [BUG FIX] Make x86_32 uni-processor Atomic ops, Atomic

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Message-Id: <200905221139.26941.lkml@morethan.org>
Date:	Fri, 22 May 2009 11:39:24 -0500
From:	"Michael S. Zick" <lkml@...ethan.org>
To:	linux-kernel@...r.kernel.org
Subject: [BUG FIX] Make x86_32 uni-processor Atomic ops, Atomic

Found in the bit-rot for 32-bit, x86, Uni-processor builds:

diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index f6aa18e..3c790ef 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -35,7 +35,7 @@
                "661:\n\tlock; "

 #else /* ! CONFIG_SMP */
-#define LOCK_PREFIX ""
+#define LOCK_PREFIX "\n\tlock; "
 #endif

 /* This must be included *after* the definition of LOCK_PREFIX */

Submitted: M. S. Zick
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