Re: [Qemu-devel] [RFC] More robust migration

[Jamie Lokier]

Paul Brook wrote:
> I never said you need the same host. All the save/restore code
> should be host independent. It should be possible to save state on
> (say) i386 and restore on ppc64. Anything that prevents this is IMO
> a bug.
>
> For KVM you're likely to need a cpu with at least as many features
> as the old one, but that's the price you pay for using host hardware
> features.

I'd prefer the "host hardware features" to be an acceleration
mechanism, than something which makes a VM dependent on the specific
host it's running on.

Can't KVM invoke QEMU's emulation capabilities for those things it
cannot provide itself because of missing host abilities?

-- Jamie