Subject: Re: SOC project idea
To: Rhialto <rhialto@falu.nl>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: netbsd-users
Date: 03/17/2007 11:58:05
On Sat, Mar 17, 2007 at 12:01:21AM +0100, Rhialto wrote:
> On Thu 15 Mar 2007 at 20:25:04 +0100, Manuel Bouyer wrote:
> > It does. But it's not the guest that is doing the work; the dom0
> > is. It's a lot like APM's suspend/resume to disk, where it's the
> > BIOS which is dumping/restoring the RAM content. Here we're talking about
> > the OS itself dumping/restoring its states, which makes it at lot more
> > difficult.
> 
> Well yes, but I was thinking to reduce the problem to a known solved
> one. Why not "simply" require Xen if you want suspend-to-disk? How much
> overhead is there if you only run 1 VM?

Xen's suspend/migrate only works for domU; the problem is the
same as plain x86 for dom0.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--