Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758865AbXKBRqS (ORCPT ); Fri, 2 Nov 2007 13:46:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755731AbXKBRqJ (ORCPT ); Fri, 2 Nov 2007 13:46:09 -0400 Received: from smtp2.linux-foundation.org ([207.189.120.14]:43893 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755463AbXKBRqI (ORCPT ); Fri, 2 Nov 2007 13:46:08 -0400 Date: Fri, 2 Nov 2007 10:39:46 -0700 (PDT) From: Linus Torvalds To: Dave Hansen cc: Andrew Morton , Pavel Emelyanov , Ulrich Drepper , Ingo Molnar , linux-kernel@vger.kernel.org, "Dinakar Guniguntala [imap]" , Sripathi Kodi Subject: Re: [patch] PID namespace design bug, workaround In-Reply-To: <1194024622.6271.108.camel@localhost> Message-ID: References: <20071101144307.GA29566@elte.hu> <4729E7E4.8070208@openvz.org> <4729E936.4040400@redhat.com> <4729EB3C.9050102@openvz.org> <472A6D91.1020300@redhat.com> <472AD7D6.80900@openvz.org> <20071102010419.23f3db5c.akpm@linux-foundation.org> <1194024622.6271.108.camel@localhost> 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: 639 Lines: 18 On Fri, 2 Nov 2007, Dave Hansen wrote: > > There are certainly more of these, but here is one In the futex > userspace address, we install the current pid's vnr into a userspace > address. Now, realistically, why not just say "you can't use these things across namespaces"? Does anybody really care? After all, somebody who screws this up only screws himself, not anybody else. Linus - 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/