Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752974Ab1EPLZo (ORCPT ); Mon, 16 May 2011 07:25:44 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38384 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751459Ab1EPLZH (ORCPT ); Mon, 16 May 2011 07:25:07 -0400 Message-ID: <4DD1098E.2070701@redhat.com> Date: Mon, 16 May 2011 14:25:02 +0300 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc14 Lightning/1.0b3pre Thunderbird/3.1.10 MIME-Version: 1.0 To: Xiao Guangrong CC: Marcelo Tosatti , LKML , KVM Subject: Re: [PATCH v2 1/7] KVM: MMU: optimize pte write path if don't have protected sp References: <4DCFEF3B.5060806@cn.fujitsu.com> In-Reply-To: <4DCFEF3B.5060806@cn.fujitsu.com> 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: 587 Lines: 16 On 05/15/2011 06:20 PM, Xiao Guangrong wrote: > Simply return from kvm_mmu_pte_write path if no shadow page is > write-protected, then we can avoid to walk all shadow pages and hold > mmu-lock Patchset looks like a very good cleanup (plus the nice optimization in patch 1). -- error compiling committee.c: too many arguments to function -- 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/