Re: [Qemu-devel] Re: [PATCH v2 4/9] provide in-kernel apic

[Anthony Liguori]

Avi Kivity wrote:
> On 10/09/2009 09:49 PM, Anthony Liguori wrote:
> > > If I've just been sent an image produced by someone running KVM, and
> > > my machine is not KVM-capable, or I cannot upgrade the KVM kernel
> > > module because it's in use by other VMs (had this problem a few
> > > times), there's no choice but to change the irqchipness.
> >
> >
> > You cannot migrate from KVM to TCG so this use-case is irrelevant.
>
> I agree it's mostly irrelevant, however nothing in principle prevents 
> such a migration, as long as the cpuid feature bits are implemented on 
> both sides.

Sure, in principle it's certainly possible but in practice, it isn't 
today and I don't see anything that's likely to happen in the near term 
future that would make it.

--
Regards,

Anthony Liguori