Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757910AbXJ2KN6 (ORCPT ); Mon, 29 Oct 2007 06:13:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753475AbXJ2KNv (ORCPT ); Mon, 29 Oct 2007 06:13:51 -0400 Received: from mtagate5.de.ibm.com ([195.212.29.154]:3551 "EHLO mtagate5.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753445AbXJ2KNu (ORCPT ); Mon, 29 Oct 2007 06:13:50 -0400 Message-ID: <4725B256.3020807@fr.ibm.com> Date: Mon, 29 Oct 2007 11:13:42 +0100 From: Cedric Le Goater User-Agent: Thunderbird 2.0.0.5 (X11/20070727) MIME-Version: 1.0 To: "Eric W. Biederman" CC: Adrian Bunk , Jeremy Fitzhardinge , Kir Kolyshkin , containers@lists.osdl.org, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, kir@openvz.org Subject: Re: [Devel] [PATCH] pidns: Place under CONFIG_EXPERIMENTAL (take 2) References: <20071027002448.GH30533@stusta.de> <4724B4F2.7070500@goop.org> <20071028170008.GD7227@stusta.de> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1502 Lines: 33 Eric W. Biederman wrote: > Adrian Bunk writes: > >> On Sun, Oct 28, 2007 at 09:12:34AM -0700, Jeremy Fitzhardinge wrote: >>> Eric W. Biederman wrote: >>>> Roughly that sounds like CONFIG_EXPERIMENTAL to me. But I would >>>> be happy to hear if someone has a better idea. >>> Rather than overload an existing config option, why not add one with the >>> specific semantics you want: CONFIG_UNSTABLE_UABI. The problem seems >>> like one which which may occur again, though one hopes not too often. I >>> guess the risk is that people will leave their subsystems depending on >>> it permanently (sysfs?), so it ends up being set all the time and >>> becomes as useless as EXPERIMENTAL... >> Then let SYSFS depend on UNSTABLE_UABI for the next 10 years and we have >> an excuse for breaking the ABI with each new kernel... >> >> Either the ABI is stable or it should not be exposed to users at all. > > If we need a new config for it. CONFIG_IMMATURE is the closest I > can think of. Pavel also has a CONFIG_NAMESPACES patch that he should be resending to andrew when 2.6.24-rc1-mm1 is released. pidns will go under this option, like all the other namespaces, and should protect the distros from shipping any immature namespace. C. - 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/