From: Jamie Lokier <jamie@shareable.org>
To: Paul Brook <paul@codesourcery.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [RFC] More robust migration
Date: Mon, 23 Feb 2009 22:07:08 +0000 [thread overview]
Message-ID: <20090223220708.GA8471@shareable.org> (raw)
In-Reply-To: <200902231155.09093.paul@codesourcery.com>
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
next prev parent reply other threads:[~2009-02-23 22:07 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-20 14:36 [Qemu-devel] [RFC] More robust migration Andre Przywara
2009-02-20 15:15 ` Anthony Liguori
2009-02-20 16:09 ` Paul Brook
2009-02-20 16:38 ` Jamie Lokier
2009-02-20 16:47 ` Paul Brook
2009-02-23 3:51 ` Jamie Lokier
2009-02-23 11:55 ` Paul Brook
2009-02-23 22:07 ` Jamie Lokier [this message]
2009-02-23 23:21 ` Paul Brook
2009-02-24 1:15 ` Anthony Liguori
2009-02-24 10:18 ` Avi Kivity
2009-02-20 16:37 ` Jamie Lokier
2009-02-20 18:27 ` Anthony Liguori
2009-02-20 17:06 ` [Qemu-devel] " Charles Duffy
2009-02-23 3:54 ` Jamie Lokier
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