From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [patch] remove vcpu_info array v5 Date: Wed, 12 Nov 2008 15:14:29 +0200 Message-ID: <491AD6B5.7070308@redhat.com> References: <4909C00F.8050704@sgi.com> <5d6222a80811040635j70c57efev1f3abc5096803b29@mail.gmail.com> <49105ED8.107@redhat.com> <4918376D.6060201@sgi.com> <491839CF.9060105@redhat.com> <491857A7.1040909@sgi.com> <49185932.9010006@redhat.com> <49185A12.9000105@sgi.com> <49194FE0.4030003@redhat.com> <491AD3E4.3040603@sgi.com> <5d6222a80811120509l51b66322xd7f456ba9e9d366d@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Jes Sorensen , Anthony Liguori , Hollis Blanchard , "kvm@vger.kernel.org" , "kvm-ia64@vger.kernel.org" To: Glauber Costa Return-path: Received: from mx2.redhat.com ([66.187.237.31]:38685 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753487AbYKLNOk (ORCPT ); Wed, 12 Nov 2008 08:14:40 -0500 In-Reply-To: <5d6222a80811120509l51b66322xd7f456ba9e9d366d@mail.gmail.com> Sender: kvm-owner@vger.kernel.org List-ID: Glauber Costa wrote: > I think the main point here is that currently, one of the showstopers > for scalability, > is the lack of fine grained locking. And we don't really know how the > code will look like > after that. It can very well change completely, rendering this work as > totally void. > I don't think it will be that bad. Fine-graining locks is an art that is well known, and it's usually not too painful except to those who have to divine the locking rules from the code afterwards. -- error compiling committee.c: too many arguments to function