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Re: [Xen-devel] pv_ops dom0 kernel and VT cpu extensions

To: Gerry Reno <greno@xxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] pv_ops dom0 kernel and VT cpu extensions
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Tue, 29 Dec 2009 09:03:21 +0000
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On 29/12/2009 04:53, "Gerry Reno" <greno@xxxxxxxxxxx> wrote:

> My question is how can I get pv_ops dom0 kernel or Xen 3.4.1 to pass the
> cpu VT flags through so that existing KVM guests will run with cpu VT
> acceleration at full speed?

No, because of the way PV Xen guests (like dom0) run, they cannot make use
of VT even if we advertised the VT feature to them.

 -- Keir

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