From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH 08/18] PVH xen: tools changes to create PVH domain Date: Thu, 29 Aug 2013 12:29:44 +0100 Message-ID: <1377775784.11455.23.camel@kazak.uk.xensource.com> References: <1369445137-19755-1-git-send-email-mukesh.rathor@oracle.com> <1369445137-19755-9-git-send-email-mukesh.rathor@oracle.com> <1371049088.24512.450.camel@zakaz.uk.xensource.com> <20130614171437.49f55cea@mantra.us.oracle.com> <1371467494.23802.49.camel@zakaz.uk.xensource.com> <20130730164716.10969419@mantra.us.oracle.com> <1375272057.7382.24.camel@kazak.uk.xensource.com> <20130731190213.0b57efd0@mantra.us.oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: George Dunlap Cc: "Xen-devel@lists.xensource.com" , Ian Jackson List-Id: xen-devel@lists.xenproject.org On Thu, 2013-08-29 at 12:13 +0100, George Dunlap wrote: > On Thu, Aug 1, 2013 at 3:02 AM, Mukesh Rathor wrote: > >> I'm not sure how you are currently signalling to the hypervisor that a > >> new domain is a PVH domain? I had a look through this patch and must > >> be being thick because I don't see it. > > > > I had a flag set, but it was recommended during RFC to remove it. So, > > now in xen, a PV with HAP is a PVH guest: > > Why was it recommended to remove it? > > "PVH == PV + HAP" is a ridiculous interface, and one which will make > it hard to import shadow in the future. In my series I'm planning on > adding XEN_DOMCTL_CDF_pvh_guest, and using that instead. These are not stable ABI interfaces, so if someone wants to do PVH with Shadow then they can just change it.