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

From: Jamie Lokier
Subject: Re: [Qemu-devel] [RFC] More robust migration
Date: Mon, 23 Feb 2009 22:07:08 +0000
User-agent: Mutt/1.5.13 (2006-08-11)

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

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