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Re: [Qemu-devel] [PATCH 0/3] Migrate with destination version
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From: |
Dr. David Alan Gilbert |
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Subject: |
Re: [Qemu-devel] [PATCH 0/3] Migrate with destination version |
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Date: |
Wed, 4 Jun 2014 19:51:43 +0100 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
* Paolo Bonzini (address@hidden) wrote:
> Il 02/06/2014 19:44, Dr. David Alan Gilbert ha scritto:
> >>> If the version-based interface turns out to be not enough, we've done the
> >>> work for nothing. In fact, we already know that it is not enough to solve
> >>> 2.0->1.6 migration with -M pc-1.5.
> >Remind me, why doesn't it solve that?
> >(It would be a pain to implement but if this is just the pci host format
> >I believe it would be doable)
>
> Sorry, it does solve 2.0->1.6 but it would not solve 1.6->2.0.
Right, I'm only intending this to solve the problem of allowing you to migrate
to an earlier broken version while not having to keep that breakage as you
migrate forward.
The easy example would be 1.6.2->1.6.1 while also allowing 1.6.2->2.0.
Dave
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK