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

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Message-ID: <87hbzdngi3.fsf@basil.nowhere.org>
Date:	Fri, 22 May 2009 20:23:48 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	lkml@...eThan.org
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [BUG FIX] Make x86_32 uni-processor Atomic ops, Atomic

"Michael S. Zick" <lkml@...ethan.org> writes:

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

Actually uni processor should not use the lock prefix 
because it doesn't need it; the only exception are some special
ops used in para-virtualization which are special cased.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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