From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: [PATCH] xen: mask XSAVE in cpuid since we  don't
	allowguests to use it
Date: Mon, 09 Mar 2009 09:40:45 -0700
Message-ID: <49B5468D.8050808@goop.org>
References: <C5DAAE0B.488A%keir.fraser@eu.citrix.com>
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To: Keir Fraser <keir.fraser@eu.citrix.com>
Cc: Boris Derzhavets <bderzhavets@yahoo.com>, Xen-devel <xen-devel@lists.xensource.com>, "Marc - A. Dahlhaus [ Administration | Westermann GmbH ]" <mad@wol.de>
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Keir Fraser wrote:
> It seems reasonable to mask XSAVE for now though. I don't think it can
> usefully be used without some Xen support.
>   

You mean Xen support to deal with a new CPU context structure, or 
something requiring specific guest code, like what's needed to support 
sysenter/syscall?

    J