From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: [PATCH] x86/mm: remove the linear mapping of the p2m tables Date: Thu, 13 Sep 2012 22:14:16 +0100 Message-ID: References: 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: Konrad Rzeszutek Wilk , Keir Fraser , mukesh.rathor@oracle.com Cc: Tim Deegan , Jan Beulich , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On 13/09/2012 21:43, "Konrad Rzeszutek Wilk" wrote: >> Auto-translated PV seems to be one of those unsupported things that never >> quite dies. With PVH just round the corner, let's definitively call it dead. >> :) > > I thought we discussed that we need this as backup for running older guests? Don't think so, since we'll continue to run old guests as pure PV. There was a backup for running on older CPUs, and that was to allow PVH guests to run on shadow page tables. That's a totally separate compatibility concern however. > BTW, the auto-xlat is what PVH is advertising to the PV guest. Yes, but it's auto-xlat in an HVM container. Pure PV auto-xlat is what we're looking to kill here. -- Keir > CC-ing Mukesh here