From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH v2 1/7] KVM: MMU: optimize pte write path if don't have protected sp Date: Mon, 16 May 2011 14:25:02 +0300 Message-ID: <4DD1098E.2070701@redhat.com> References: <4DCFEF3B.5060806@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Marcelo Tosatti , LKML , KVM To: Xiao Guangrong Return-path: In-Reply-To: <4DCFEF3B.5060806@cn.fujitsu.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org 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