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Re: [Xen-devel] x86-64 32bit applications support discussion

To: Kurt Garloff <garloff@xxxxxxx>
Subject: Re: [Xen-devel] x86-64 32bit applications support discussion
From: Kip Macy <kip.macy@xxxxxxxxx>
Date: Mon, 14 Mar 2005 09:30:27 -0800
Cc: Jerone Young <jyoung5@xxxxxxxxxx>, Xen development list <xen-devel@xxxxxxxxxxxxxxxxxxxxx>
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Segment protection checks don't work in long mode. So - yes.

On Mon, 14 Mar 2005 18:20:27 +0100, Kurt Garloff <garloff@xxxxxxx> wrote:
> Hi,
> On Mon, Mar 14, 2005 at 11:02:27AM -0600, Jerone Young wrote:
> >       Since the virtual domain & applications are all running in ring 3.
> You mean the kernel is running in ring 3 as well?
> > Does
> > the hypervisor need to know how to tell the CPU when and when not to go
> > into compatibility mode to  run running 32bit applications properly
> > under virtual domains?
> I would think so.
> Regards,
> --
> Kurt Garloff, Director SUSE Labs, Novell Inc.

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