From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cedric Le Goater Subject: Re: [RFC] Network namespaces a path to mergable code. Date: Wed, 28 Jun 2006 12:20:50 +0200 Message-ID: <44A25802.3030006@fr.ibm.com> References: <20060626134945.A28942@castle.nmd.msu.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Andrey Savochkin , dlezcano@fr.ibm.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, serue@us.ibm.com, haveblue@us.ibm.com, Andrew Morton , dev@sw.ru, herbert@13thfloor.at, devel@openvz.org, sam@vilain.net, viro@ftp.linux.org.uk Return-path: Received: from e3.ny.us.ibm.com ([32.97.182.143]:26295 "EHLO e3.ny.us.ibm.com") by vger.kernel.org with ESMTP id S1422641AbWF1KVA (ORCPT ); Wed, 28 Jun 2006 06:21:00 -0400 To: "Eric W. Biederman" In-Reply-To: Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Hello, Eric W. Biederman wrote: > Thinking about this I am going to suggest a slightly different direction > for get a patchset we can merge. > > First we concentrate on the fundamentals. > - How we mark a device as belonging to a specific network namespace. > - How we mark a socket as belonging to a specific network namespace. > > As part of the fundamentals we add a patch to the generic socket code > that by default will disable it for protocol families that do not indicate > support for handling network namespaces, on a non-default network namespace. > > I think that gives us a path that will allow us to convert the network stack > one protocol family at a time instead of in one big lump. > > Stubbing off the sysfs and sysctl interfaces in the first round for the > non-default namespaces as you have done should be good enough. > > The reason for the suggestion is that most of the work for the protocol > stacks ipv4 ipv6 af_packet af_unix is largely noise, and simple > replacement without real design work happening. Mostly it is just > tweaking the code to remove global variables, and doing a couple > lookups. How that proposal differs from the initial Daniel's patchset ? how far was that patchset to reach a similar agreement ? OK, i wear blue socks :), but I'm not advocating a patchset more than another i'm just looking for a shorter path. thanks, C.