From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754306Ab1G0KDQ (ORCPT ); Wed, 27 Jul 2011 06:03:16 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:61125 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751175Ab1G0KDP (ORCPT ); Wed, 27 Jul 2011 06:03:15 -0400 Message-ID: <4E2FE2DA.9040209@cn.fujitsu.com> Date: Wed, 27 Jul 2011 18:05:14 +0800 From: Xiao Guangrong User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc15 Thunderbird/3.1.10 MIME-Version: 1.0 To: Avi Kivity CC: Marcelo Tosatti , LKML , KVM Subject: Re: [PATCH 09/11] KVM: MMU: remove the mismatch shadow page References: <4E2EA3DB.7040403@cn.fujitsu.com> <4E2EA58B.1030503@cn.fujitsu.com> <4E2FD65C.9000402@redhat.com> <4E2FD6AD.5010902@redhat.com> In-Reply-To: <4E2FD6AD.5010902@redhat.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-07-27 18:02:19, Serialize by Router on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-07-27 18:02:20, Serialize complete at 2011-07-27 18:02:20 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/27/2011 05:13 PM, Avi Kivity wrote: > On 07/27/2011 12:11 PM, Avi Kivity wrote: >> On 07/26/2011 02:31 PM, Xiao Guangrong wrote: >>> If the shadow page has different cpu mode with current vcpu, we do better >>> remove them since the OS does not changes cpu mode frequently >>> >> >> This is true > > It's actually not true. With nested virtualization the cpu changes modes all the time. > Oh, yes, i forgot this, thanks point it out!