Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756161Ab1F2NDm (ORCPT ); Wed, 29 Jun 2011 09:03:42 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:64540 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1755535Ab1F2NDk (ORCPT ); Wed, 29 Jun 2011 09:03:40 -0400 Message-ID: <4E0B231B.4070808@cn.fujitsu.com> Date: Wed, 29 Jun 2011 21:05:31 +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 v2 19/22] KVM: MMU: lockless walking shadow page table References: <4E01FBC9.3020009@cn.fujitsu.com> <4E01FDB4.60306@cn.fujitsu.com> <4E0AED86.2060908@redhat.com> <4E0B0997.4090206@cn.fujitsu.com> <4E0B09EA.1040304@redhat.com> <4E0B1191.6040100@cn.fujitsu.com> <4E0B182C.1090402@redhat.com> <4E0B1A75.4070705@cn.fujitsu.com> <4E0B1A4E.2030301@redhat.com> <4E0B1CE8.2060803@cn.fujitsu.com> <4E0B2220.3050602@redhat.com> In-Reply-To: <4E0B2220.3050602@redhat.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-06-29 21:03:01, Serialize by Router on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-06-29 21:03:02, Serialize complete at 2011-06-29 21:03:02 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 Content-Length: 736 Lines: 18 On 06/29/2011 09:01 PM, Avi Kivity wrote: > On 06/29/2011 03:39 PM, Xiao Guangrong wrote: >> > >> > Ok. Let's drop the two paths, and put this improvement on the TODO instead. >> > >> >> Avi, i am sorry, i do not understand it clearly, it means keep the patch as the >> original way and do the improvement after it merged? > > I mean, do all freeing using RCU and improve fork detection after merge. I don't like the extra complexity and the extra atomic ops. > Oh, i see, thanks! :-) -- 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/