Re: [Xen-users] Issues with vcpu-set

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2014-01-29 at 12:18 +0000, Anthony PERARD wrote:
> On Wed, Jan 29, 2014 at 10:11:44AM +0000, Ian Campbell wrote:
> > On Tue, 2014-01-28 at 18:44 -0700, Yun Wang wrote:
> > > Sorry for the so late reply.
> > > I had this issue in Xen-4.3.0 (official release) and 
> > > Xen-4.4.0-rc1-25-g9a80d50
> > 
> > And are you using the version of qemu-xen which ships with those
> > releases or your own version, perhaps from upstream?
> > 
> > ISTR that vcpu hotplug for HVM guests was missing from qemu-xen in Xen
> > 4.3.x but I thought it had been added during the 4.4.x development
> > cycle. Adding Anthony + xen-devel to confirm.
> 
> We've added vcpu hotplug to our tree in Xen 4.3.
> 
> QEMU upstream is able to do vcpu hotplug with Xen only with the last
> release, 1.7. The two previous release (1.5 and 1.6) miss two patches,
> and any QEMU release before that those not support cpu hotplug.

OK. IIRC Xen 4.3 included qemu 1.3 or so?

4.4-rc1 should have had the 1.6 merge in it, but not 1.7, correct? So it
also misses those patches.

Are we planning to backport those two patches for 4.4?

Ian.


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