Xen devel - Nov 2006 - RE: Re: Getting rid of xenbus_suspend(): tpmfrontdriver impacted?

>From: Keir Fraser [mailto:Keir.Fraser@cl.cam.ac.uk]
>Sent: 2006年11月6日 21:40
>On 6/11/06 13:15, "Tian, Kevin" <kevin.tian@intel.com>
wrote:
>
>> For the migration case, the connection may still exist to the
xenstored.
>> However for save/restore case, we destroy the domain once saved,
>> right? In that case, the connection is broken and next time you still
>> need to re-bind inter-domain xenbus channel (although local event
>> port is same) after resume, just like what''s done for
xenconsole.
>> Xenbus_suspend_cancel can save local state resume, but inter-
>> domain re-connection is inevitable, IMO. :-)
>
>Yes, we continue to require full re-connection if the save/restore or
>migration is successful and the guest is resumed in a new domain
>context.
>There''s no question about that. Our aim here is to allow a
save/restore or
>migration to fail gracfully by resuming execution in the original domain
>context. Currently that is simply not possible, but it''s not hard
to fix.
>
> -- Keir
I see, and it''s a good enhancement. :-)

Thanks,
Kevin

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