Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964892AbWEUXUr (ORCPT ); Sun, 21 May 2006 19:20:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751547AbWEUXUr (ORCPT ); Sun, 21 May 2006 19:20:47 -0400 Received: from ebiederm.dsl.xmission.com ([166.70.28.69]:34775 "EHLO ebiederm.dsl.xmission.com") by vger.kernel.org with ESMTP id S1751422AbWEUXUr (ORCPT ); Sun, 21 May 2006 19:20:47 -0400 To: Pavel Machek Cc: Andrew Morton , Herbert Poetzl , serue@us.ibm.com, linux-kernel@vger.kernel.org, dev@sw.ru, devel@openvz.org, sam@vilain.net, xemul@sw.ru, haveblue@us.ibm.com, clg@fr.ibm.com Subject: Re: [PATCH 0/9] namespaces: Introduction References: <20060518154700.GA28344@sergelap.austin.ibm.com> <20060518103430.080e3523.akpm@osdl.org> <20060519124235.GA32304@MAIL.13thfloor.at> <20060519081334.06ce452d.akpm@osdl.org> <20060521225735.GA9048@elf.ucw.cz> From: ebiederm@xmission.com (Eric W. Biederman) Date: Sun, 21 May 2006 17:18:50 -0600 In-Reply-To: <20060521225735.GA9048@elf.ucw.cz> (Pavel Machek's message of "Mon, 22 May 2006 00:57:37 +0200") Message-ID: User-Agent: Gnus/5.1007 (Gnus v5.10.7) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 622 Lines: 17 Pavel Machek writes: > Well, if pid #1 virtualization is only needed for pstree, we may want > to fix pstree instead :-). One thing that is not clear is if isolation by permission checks is any easier to implement than isolation with a namespace. Isolation at permission checks may actually be more expensive in terms of execution time, and maintenance. Eric - 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/