>From what I remember "-cpu" is to tell the vm what cpu extensions are
available. I always just use "-cpu host" which has kvm pass in all the
cpu extensions that the host processor has.
Using WindowsXP mode on a windows 7 VM sounds dirty. XP mode used to
require virtualization hardware, now it doesn't. Perhaps passing in a
cpu that doesn't have virtualization extensions is the way to make
windows go the non-hardware route. I would expect the performance to be
abysmal, but it would be a neat trick.
Patrick
> -----Original Message-----
> From: centos-bounces@xxxxxxxxxx [mailto:centos-bounces@xxxxxxxxxx] On
> Behalf Of Jerry Geis
> Sent: Wednesday, January 05, 2011 8:09 AM
> To: CentOS ML
> Subject: Re: using kvm
>
> >
> > I have not tried a VM within a VM (nested) although I have heard
that
> > it is possible.
> >
> > I guess the correct processor type could be passed with the "-cpu "
> parameter.
> >
> > -- Arun Khan
> >
> I have tried "-cpu phenum" which does not run at all.
> and I tried "-cpu core2duo" which runs the guest but does not run the
> VM
> within a VM.
>
> Thanks,
>
> Jerry
>
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