From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony PERARD Subject: Re: [Xen-users] Issues with vcpu-set Date: Wed, 29 Jan 2014 13:04:34 +0000 Message-ID: <20140129130434.GD1775@perard.uk.xensource.com> References: <1380619471.925.49.camel@kazak.uk.xensource.com> <1390990304.31814.50.camel@kazak.uk.xensource.com> <20140129121827.GA1775@perard.uk.xensource.com> <1390998137.31814.92.camel@kazak.uk.xensource.com> <20140129123648.GB1775@perard.uk.xensource.com> <1390999187.31814.97.camel@kazak.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1390999187.31814.97.camel@kazak.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Campbell Cc: xen-users@lists.xen.org, Yun Wang , xen-devel List-Id: xen-devel@lists.xenproject.org On Wed, Jan 29, 2014 at 12:39:47PM +0000, Ian Campbell wrote: > On Wed, 2014-01-29 at 12:36 +0000, Anthony PERARD wrote: > > On Wed, Jan 29, 2014 at 12:22:17PM +0000, Ian Campbell wrote: > > > 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? > > > > That's right, qemu 1.3. > > > > > 4.4-rc1 should have had the 1.6 merge in it, but not 1.7, correct? > > > > That's correct. > > > > > So it also misses those patches. > > > > No, I've put those patches on top of the merge, otherwise, there would > > have been regression. > > So this functionality should work with xen 4.4.0-rc1 (using whatever > version was referenced by xen.git/Config.mk) or not? Yes, it should. You can go back to my first reply to this threads and read the all mail ;-). I reply to what appear to me the "error" that made someone think that somethings goes wrong. -- Anthony PERARD