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Date: Tue, 24 Nov 2009 18:05:52 +0200
From: "Michael S. Tsirkin" <mst@redhat.com>
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Subject: [Qemu-devel] Re: Live migration protocol, device features,
	ABIs and other beasts
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To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Paolo Bonzini <pbonzini@redhat.com>, Eduardo Habkost <ehabkost@redhat.com>, qemu-devel <qemu-devel@nongnu.org>

On Tue, Nov 24, 2009 at 08:33:11AM -0600, Anthony Liguori wrote:
> Michael S. Tsirkin wrote:
>> It's very easy: if their guest runs fine on the old qemu,
>> it should be safe to migrate there.
>>   
>
> "Runs fine" is a qualitative statement.  There is no way for qemu to  
> know whether a guest runs fine or not.

The entity between the keyboard and chair is best placed to decide that.
That entity has already expressed the decision taken by running
the appropriate qemu monitor command.

>  There is no way that we can make  
> that statement either.  It has to be something that is controlled higher  
> in the stack.
> Regards,
>
> Anthony Liguori
>