Re: [Qemu-devel] Re: [PATCH 0/4] Machine config files

[Avi Kivity]

On 07/06/2009 07:47 PM, Paul Brook wrote:
> > Slight change: instead of serializing into a tree, have a qdev callback
> > which generates an add event that can be sent over the wire.  While
> > migrating, additional hotplug simply call the same callback and the
> > hotplug is migrated in real time.
> >      
>
> I think this is just going to cause you problems. Way simpler to just disable
> changing the machine configuration while migration is in progress.
>    

These features are logically orthogonal and initiated by different 
users, so it will be seen as if hotplug randomly has high latency.

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.