From: "Jan Beulich" <jbeulich@novell.com>
Subject: Re: [PATCH] x86: avoid LOCK prefix where possible
Date: Mon, 10 Dec 2007 11:09:13 +0000
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	<C382CA88.19A25%Keir.Fraser@cl.cam.ac.uk>
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>>> Keir Fraser <Keir.Fraser@cl.cam.ac.uk> 10.12.07 11:50 >>>
>If these are changed in upstream then I'll pull the changes down. I don;t
>think any of these extra LOCK prefixes are on critical paths.

Could you take the changes to xen/arch/x86/hvm/vlapic.c and
xen/arch/x86/traps.c then at least? These look like they could be used on
(kernel) critical paths.

Jan