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

[Avi Kivity]

On 10/08/2009 01:00 AM, Anthony Liguori wrote:
> Glauber Costa wrote:
> > This option deprecates --enable-kvm. It is a more flexible option,
> > that makes use of qemu-opts, and allow us to pass on options to 
> > enable or
> > disable kernel irqchip, for example.
>
> With proper qdev support, you could select kvm device models based on 
> -device so I think this option isn't all that useful.

qdev (mostly?) is about the guest interface; this is more about the host 
implementation, so akin to -drive file= and cache=.

> 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.

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