Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755616AbZITTCo (ORCPT ); Sun, 20 Sep 2009 15:02:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754910AbZITTCl (ORCPT ); Sun, 20 Sep 2009 15:02:41 -0400 Received: from mx1.redhat.com ([209.132.183.28]:64118 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754723AbZITTCk (ORCPT ); Sun, 20 Sep 2009 15:02:40 -0400 Message-ID: <4AB67BB0.3020303@redhat.com> Date: Sun, 20 Sep 2009 22:00:00 +0300 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Lightning/1.0pre Thunderbird/3.0b3 MIME-Version: 1.0 To: Jeremy Fitzhardinge CC: Arjan van de Ven , Ingo Molnar , Alok Kataria , Thomas Gleixner , "H. Peter Anvin" , the arch/x86 maintainers , LKML , Chris Wright , Rusty Russell , "virtualization@lists.osdl.org" , Greg KH , Linus Torvalds , Andrew Morton Subject: Re: Paravirtualization on VMware's Platform [VMI]. References: <1253233028.19731.63.camel@ank32.eng.vmware.com> <20090919224430.GB9567@kroah.com> <1253419185.3253.21.camel@ank32.eng.vmware.com> <20090920074247.GA5733@elte.hu> <20090920095239.456ad6f2@infradead.org> <4AB5EF25.9070502@redhat.com> <4AB64EFC.10707@goop.org> In-Reply-To: <4AB64EFC.10707@goop.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 928 Lines: 24 On 09/20/2009 06:49 PM, Jeremy Fitzhardinge wrote: >> kvm will be removing the pvmmu support soon; and Xen is talking about >> running paravirtualized guests in a vmx/svm container where they don't >> need most of the hooks. >> >> > We have no plans to drop support for non-vmx/svm capable processors, let > alone require ept/npt. > Today, certainly; similarly kvm will host-side pvmmu support for a while to support live migration from older hosts. But in a few years it may make sense to run everything in a vmx/svm container even for Xen; we can then drop x86 pv_ops for good. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/