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Re: [Xen-devel] Xen 4.3 development update

On Thu, 2013-04-11 at 10:28 +0100, George Dunlap wrote:
> On 10/04/13 17:41, Konrad Rzeszutek Wilk wrote:
> >> = Timeline =
> >>
> >> We are planning on a 9-month release cycle.  Based on that, below are
> >> our estimated dates:
> >> * Feature freeze: 25 March 2013
> >> * Code freezing point: 15 April 2013
> > Is it possible to extend this? One of the reviewers (Ian) is just
> > now able to look at code and review. That means the developers have
> > only 3 business days to repost the changes.
> So when I said "freezing point", I meant, "we will start rejecting 
> features".  Each feature will need to be considered individually.  I 
> think, for example, that PVH is not going to make it -- it touches too 
> much code, and is just not in good enough shape to get in as it is.  But 
> AFAICT the TMEM stuff should be fine next week.
> IanC knows that he's on the hot path, and so will be working double-time 
> over the next few days to review / commit patches.

FWIW for the tmem stuff specifically IanJ seems to have a handle on the
review so it's not high in my queue.

> We had a talk yesterday about the Linux stubdomain stuff -- that's a bit 
> less clear.  Changes to libxl should be in "linux-stubdom-only" paths, 
> so little risk of breaking libxl functionality.  On the other hand, it 
> makes a lot of changes to the build system, adding moderate risk to an 
> important component; and it hasn't had wide public testing yet, so 
> there's no telling how reliable it will be.  On the other other hand, 
> it's a blocker for being able to switch to qemu-upstream by default, 
> which was one of our key goals for 4.3; that may or may not be worth 
> risking slipping the release a bit for.

I think we switched the default for the non-stubdom case already (or
were planning too!). I think this is sufficient for 4.3.


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