Re: [Xen-devel] Will Xen 4.3 use upstream QEMU by default ?

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 21 Mar 2013, Ren, Yongjie wrote:
> > -----Original Message-----
> > From: Stefano Stabellini [mailto:stefano.stabellini@xxxxxxxxxxxxx]
> > Sent: Thursday, March 07, 2013 11:51 AM
> > To: Ren, Yongjie
> > Cc: xen-devel@xxxxxxxxxxxxx; George Dunlap; Ian Campbell; Stefano
> > Stabellini; Ian Jackson; Jan Beulich
> > Subject: Re: Will Xen 4.3 use upstream QEMU by default ?
> > 
> > On Thu, 7 Mar 2013, Ren, Yongjie wrote:
> > > Hi folks,
> > > >From the roadmap for Xen 4.3 development, Xen 4.3 will use upstream
> > QEMU (partially done).
> > > So I'd like to confirm the following questions.
> > >
> > > 1. Will Xen 4.3 really use upstream QEMU by default ?
> > >   I have the question because so far the xen.git tree still uses
> > qemu-xen-unstable by default.
> > 
> > Yes, Ian has just resubmitted a patch:
> > 
> > http://marc.info/?l=xen-devel&m=136215985105199
> > 
> > 
> > > 2. If 'yes' for 1st question, which QEMU upstream will be used in Xen
> > 4.3 ?
> > >   In xen.git, upstream QEMU URL is "
> > git://xenbits.xen.org/qemu-upstream-unstable.git".
> > >   but, the repository of pure QEMU upstream is "
> > git://git.qemu.org/qemu.git".
> > 
> > git://xenbits.xen.org/qemu-upstream-unstable.git is the tree that is
> > going to be used for the 4.3 release. However development should be done
> > on git://git.qemu.org/qemu.git first, and once the patches are upstream,
> > backports can be requested to get features and fixes in
> > git://xenbits.xen.org/qemu-upstream-unstable.git.
> thanks, Stefano.
> Is there a Xen related feature which works fine with 
> qemu-upstream-unstable.git
> tree but doesn't work with qemu.git tree?

I don't think so. If there are, they are probably just bugs introduced
in qemu.git that need to be fixed.

> I found qemu-upstream-unstable.git tree was based on QEMU 1.3.0 release and
> only added several bug fix commits after 1.3.0 release.
 
That's correct.

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