Re: [Xen-devel] Xen 4.3 development update

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 17/06/13 13:35, Fabio Fantoni wrote:
> Il 17/06/2013 12:58, George Dunlap ha scritto:
> > There are basically two issues we're waiting to sort out (see below
> > for more info):
> >   * cpu hotplug in qemu-upsream
> >   * The MMIO hole issue
> >
> > Anthony has patches for cpu hot-plug, and we have plans for how to
> > work around the MMIO hole issue, so we're getting really close.
> >
> > Also note that we have slipped the release date a week, to the 26th,
> > to make sure we have enough time to catch any potential bugs in the
> > recent check-ins.
> >
> > This information will be mirrored on the Xen 4.3 Roadmap wiki page:
> >   http://wiki.xen.org/wiki/Xen_Roadmap/4.3
> >
> > The key goals we're focusing on now, in order, are as follows:
> >   1. Have a bug-free 4.3 release
> >   2. Have an awesome 4.3 release
> >   3. Have a 4.3 release that happens on schedule (ready by June 15th)
> >
> > The most important thing in making a case is to answer the question,
> > "If there are bugs in this patch, will they be discovered before the
> > June 17th release?"  The second most important thing is to consider the
> > cost/benefit analysis of bugs that are found: what is the risk of
> > introducing a bug which will delay the release, vs the benefit it will
> > have in making the release better?
> >
> > = 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
> > * First RC: 6 May 2013 <== WE ARE HERE
> > * Release: 26 June 2013
> >
> > The RCs and release will of course depend on stability and bugs, and
> > will therefore be fairly unpredictable.  Each new feature will be
> > considered on a case-by-case basis.
> >
> > The June 17th release is both an estimate and a goal.  At this point,
> > Xen 4.3 can be released whenever it's actually ready.  In fact, the
> > sooner we release, the sooner we can open the tree up for new
> > development and get on to 4.4 -- so keep fixing those bugs!
> >
> > Last updated: 17 June 2013
> >
> > == Completed ==
> >
> > * Default to QEMU upstream (partial)
> >   - pci pass-thru (external)
> >   - enable dirtybit tracking during migration (external)
> >   - xl cd-{insert,eject}
> Tested and working. No more bugs found.
>
> > * openvswitch toostack integration
> >    To label "tech-preview" unless we get good testing (>10 individuals)
> Tested and working. It also works with hvm domUs that didn't work on 
> initial version of vif script. No bugs found for now.
Great, thanks for testing.

 -George


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