Re: [Xen-devel] Xen 4.4 development update: Is PVH a blocker?

[Tim Deegan <tim@xxxxxxx>]

At 08:47 +0000 on 16 Dec (1387180027), Jan Beulich wrote:
> >>> On 13.12.13 at 20:21, George Dunlap <George.Dunlap@xxxxxxxxxxxxx> wrote:
> > This information will be mirrored on the Xen 4.4 Roadmap wiki page:
> >  http://wiki.xen.org/wiki/Xen_Roadmap/4.4 
> > 
> > Our timeline had us start the code freeze last Friday.  However, we
> > have not released an RC0 because we have been waiting for PVH dom0
> > support.  Adding bug fixes during RCs makes sense, but RC0 should
> > contain all of the functionality we expect to be in the final release.
> > 
> > PVH dom0 support is making progress, however it's not that clear when
> > it will actually be ready to be checked in.  The current discussion is
> > about refcounting the new p2m type, which is a tricky and delicate
> > operation (though luckily one which should be limited to domains which
> > use that type -- at the moment, exclusively PVH dom0s).
> > 
> > If we continue to wait, it is likely that the release will slip.  The 
> > question
> > then is, how long should we continue to wait before we cut our losses and
> > say we'll wait for PVH dom0 until 4.5?
> 
> Even if likely unpopular, given the condition the one critical patch
> is in I'd favor not waiting any longer at all, deferring the feature
> to 4.5 and cutting RC1 e.g. based on what got pushed over the
> weekend.

+1.  The remeining changes that I'm aware of touch non-pvh code and
refcounting code, neither of which seems like a good idea at this
point, even if they were complete.

Tim.

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