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

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> 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.

Jan


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