Re: [Xen-devel] live migrating hvm from 4.4 to 4.7 fails in ioreq server

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: Konrad Rzeszutek Wilk [mailto:konrad.wilk@xxxxxxxxxx]
> Sent: 25 May 2016 21:58
> To: Paul Durrant; zhigang.x.wang@xxxxxxxxxx
> Cc: Wei Liu; Olaf Hering; Stefano Stabellini; Andrew Cooper; xen-
> devel@xxxxxxxxxxxxx; Anthony Perard
> Subject: Re: [Xen-devel] live migrating hvm from 4.4 to 4.7 fails in ioreq
> server
> 
> On Thu, May 12, 2016 at 02:13:21PM +0000, Paul Durrant wrote:
> > > -----Original Message-----
> > [snip]
> > > >
> > > > Ok. Do you regard this as a critical issue for 4.7?
> > > >
> > >
> > > Our general support statement is to support N->N+1 migration, so it is
> > > not really critical for me. On the other hand, if the fix is not overly
> > > complex, it would be nice to have for 4.7.
> > >
> > > Note that the fix will need to be in upstream QEMU first before it can
> > > be cherry-picked to our tree, so there is risk that it might just be
> > > blocked on QEMU side (I haven't checked their schedule). So I wouldn't
> > > really block xen release just for that.
> > >
> >
> > Ok.
> >
> > > If for some reason (either you don't have time or the patch is blocked
> > > on QEMU side) the fix doesn't make 4.7.0 I would suggest QEMU
> maintainer
> > > to backport to 4.7.1 etc.
> > >
> >
> > I'll try to get to it as soon as I can, but my guess is that it will miss 
> > 4.7.0.
> 
> +CC Zhigang.
> 
> Any ideas on the timeline for this fix? Thanks!

It's likely to be a while before I could find some time for this; rough guess 
would be a month... It depends how other stuff pans out.

  Paul

> >
> >   Paul
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxx
> > http://lists.xen.org/xen-devel

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