From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: Does Xen support nested VM migration Date: Wed, 01 Jul 2015 08:50:23 +0100 Message-ID: <55939BBF.6010300@citrix.com> References: <1435718964.3287.17.camel@huaitong-MOBL.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1435718964.3287.17.camel@huaitong-MOBL.ccr.corp.intel.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: "Han, Huaitong" , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org On 01/07/2015 03:49, Han, Huaitong wrote: > Hi, all, > > When I create a L1 guest with nestedhvm=1, and create a L2 guest in L1 > guest, then migrate L1 guest, but the operation fails, and I find the > bugfix requires a lot of work. Fails in what way? > Does Xen support the operation? I guess the nestedvm migration feature > is not at all implemented. Nested virtualisation is still experimental, and there are areas with known issues, and scenarios which I expect have never been tried. Having said that, there is nothing I am of with migration which I would expect to break or need further fixing in a nested scenario. ~Andrew