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

[Chris <tknchris@xxxxxxxxx>]

Following that logic we will need to start working on a vmmm (virtual  
machine monitor monitor) to handle multiple vmm's :)
Skickat frÃn min iPhone

Dec 28, 2009 kl. 11:01 PM skrev Gerry Reno <greno@xxxxxxxxxxx>:

> Fajar A. Nugraha wrote:
> > On Tue, Dec 29, 2009 at 8:11 AM, 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?
> > AFAIK you can't. The same reason why you can't get Virtualbox and KVM
> > to use VT together.
> > Only one virtualization technology can use VT at the same time.
> As physical boxes gain more and more processing capability it makes  
> no sense to restrict a physical machine to only a single hypervisor.
> Libvirt will support nested VM's that pass through the VT  
> capabilities to the next level.  So it makes sense that Xen should  
> be able to do the same thing and pass through the cpu VT  
> capabilities to other hypervisors.  Is there some law of the  
> universe that prevents this?
> -Gerry
>
>
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