Re: [Qemu-devel] Re: [PATCH v2 9/9] Add -kvm option

[Avi Kivity]

On 10/08/2009 04:23 PM, Anthony Liguori wrote:
> > > What I'd like to see in the interim is a kvm specific machine type 
> > > that's defaulted to if kvm is enabled.  I think this would be useful 
> > > not only for enabling things like in-kernel apic, but also for 
> > > selecting a default cpu model.
> >
> > We should make a distinction between guest-visible changes and 
> > accelerators like kvm-irqchip and vhost.
>
> They are different device models that happen to implement the same 
> guest-visible device. 

I think this separation is artificial.  From both the guest's view and 
the user's view, there's no difference between qemu ioapic and kvm 
ioapic (modulo bugs).  To me this indicates they're the same device.

We'll have the same problem with vhost-net, only there the duplication 
will be much greater if we split the implementation.

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