Re: [Qemu-devel] [PATCH 0/3] Migrate with destination version

[Dr. David Alan Gilbert]

* Paolo Bonzini (address@hidden) wrote:
> Il 02/06/2014 15:50, Dr. David Alan Gilbert ha scritto:
> >However, it gets trickier since the destination libvirt has to know to send
> >the version information to the source; so we can only use this trick between
> >versions where the libvirt on both ends knows about it; so if we suddenly hit
> >a compatibility issue where we need it then we'd have to update libvirt on 
> >both
> >sides, which is too late.
> >
> >So putting this in now, and getting it into libvirt means everyone has the 
> >info.
> 
> It also means we have a higher risk of getting it wrong, and having to do
> the work twice.

That's why all this is does is provide the interface; it doesn't do anything 
behind
it and just allows us to wire in libvirt etc.

Dave
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK