Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964921AbWBTO0A (ORCPT ); Mon, 20 Feb 2006 09:26:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964923AbWBTO0A (ORCPT ); Mon, 20 Feb 2006 09:26:00 -0500 Received: from mailhub.sw.ru ([195.214.233.200]:18516 "EHLO relay.sw.ru") by vger.kernel.org with ESMTP id S964921AbWBTOZ7 (ORCPT ); Mon, 20 Feb 2006 09:25:59 -0500 Message-ID: <43F9D185.8020906@sw.ru> Date: Mon, 20 Feb 2006 17:26:13 +0300 From: Kirill Korotaev User-Agent: Mozilla/5.0 (X11; U; Linux i686; ru-RU; rv:1.2.1) Gecko/20030426 X-Accept-Language: ru-ru, en MIME-Version: 1.0 To: Herbert Poetzl CC: Hubertus Franke , "Eric W. Biederman" , "Serge E. Hallyn" , Sam Vilain , Rik van Riel , Kirill Korotaev , Linus Torvalds , Andrew Morton , linux-kernel@vger.kernel.org, clg@fr.ibm.com, haveblue@us.ibm.com, greg@kroah.com, alan@lxorguk.ukuu.org.uk, arjan@infradead.org, kuznet@ms2.inr.ac.ru, saw@sawoct.com, devel@openvz.org, Dmitry Mishin , Andi Kleen Subject: Re: The issues for agreeing on a virtualization/namespaces implementation. References: <43E7C65F.3050609@openvz.org> <43E83E8A.1040704@vilain.net> <43E8D160.4040803@watson.ibm.com> <20060207201908.GJ6931@sergelap.austin.ibm.com> <43E90716.4020208@watson.ibm.com> <43E92EDC.8040603@watson.ibm.com> <43F9B1F4.4040907@sw.ru> <20060220124103.GB17478@MAIL.13thfloor.at> In-Reply-To: <20060220124103.GB17478@MAIL.13thfloor.at> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1267 Lines: 31 > as does Linux-VServer currently, but do you have > any proof that putting all the fields together in > one big structure actually has any (dis)advantage > over separate structures? have no proof and don't mind if there are many pointers. Though this doesn't look helpful to me as well. >>mmm, how do you plan to pass additional flags to clone()? >>e.g. strong or weak isolation of pids? > do you really have to pass them at clone() time? > would shortly after be more than enough? > what if you want to change those properties later? I don't think it is always suiatable to do configuration later. We had races in OpenVZ on VPS create/stop against exec/enter etc. (even introduced flag is_running). So I have some experience to believe it will be painfull place. >>this syscalls will start handling this new namespace and that's all. >>this is not different from many syscalls approach. > well, let's defer the 'how amny syscalls' issue to > a later time, when we know what we want to implement :) agreed. Kirill - 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/