From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757489AbXIFL3B (ORCPT ); Thu, 6 Sep 2007 07:29:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754395AbXIFL2x (ORCPT ); Thu, 6 Sep 2007 07:28:53 -0400 Received: from gw.goop.org ([64.81.55.164]:43292 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753322AbXIFL2x (ORCPT ); Thu, 6 Sep 2007 07:28:53 -0400 Message-ID: <46DFE46F.5020001@goop.org> Date: Thu, 06 Sep 2007 12:28:47 +0100 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.5 (X11/20070719) MIME-Version: 1.0 To: Avi Kivity CC: Rik van Riel , linux-mm@kvack.org, shaohua.li@intel.com, kvm-devel , general@lists.openfabrics.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH][RFC]: pte notifiers -- support for external page tables References: <11890103283456-git-send-email-avi@qumranet.com> <46DEFDF4.5000900@redhat.com> <46DF0013.4060804@qumranet.com> <46DF0234.7090504@redhat.com> <46DF045F.4020806@qumranet.com> In-Reply-To: <46DF045F.4020806@qumranet.com> X-Enigmail-Version: 0.95.3 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Avi Kivity wrote: > It is, but the hooks are in much the same places. It could be argued > that you'd embed pte notifiers in paravirt_ops for a host kernel, but > that's not doable because pte notifiers use higher-level data > strutures (like vmas). Also, I wouldn't like to preclude the possibility of having a kernel that's both a guest and a host (ie, nested vmms). J