From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759246AbXK0VKK (ORCPT ); Tue, 27 Nov 2007 16:10:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756698AbXK0VJz (ORCPT ); Tue, 27 Nov 2007 16:09:55 -0500 Received: from emailhub.stusta.mhn.de ([141.84.69.5]:53132 "EHLO mailhub.stusta.mhn.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755044AbXK0VJy (ORCPT ); Tue, 27 Nov 2007 16:09:54 -0500 Date: Tue, 27 Nov 2007 22:09:42 +0100 From: Adrian Bunk To: Dave Jones , Stephen Hemminger , Rusty Russell , Roland Dreier , Andi Kleen , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, sam@ravnborg.org Subject: Re: [PATCH RFC] [1/9] Core module symbol namespaces code and intro. Message-ID: <20071127210942.GF3406@stusta.de> References: <20071122343.446909000@suse.de> <200711261228.15155.rusty@rustcorp.com.au> <20071126102533.1c774870@freepuppy.rosehill.pdx.hemminger.net> <20071127190037.GB30057@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20071127190037.GB30057@redhat.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 27, 2007 at 02:00:37PM -0500, Dave Jones wrote: > On Mon, Nov 26, 2007 at 10:25:33AM -0800, Stephen Hemminger wrote: > > > 1) Why is everyone so concerned that export symbol space is large? > > - does it cost cpu or running memory? > > - does it cause bugs? > > - or are you just worried about "evil modules"? > > To clarify something here, by "evil", don't necessarily think "binary only". > > Out of tree modules are frequently using symbols that they shouldn't be. > Because they get no peer-review here, they 'get away with it' for the most part. > Until distro vendors push rebased kernel updates that removed exports that > should never have been exported, and suddenly people like me get bombed > with "Fedora broke my xyz driver" mails. >... The real problem is that these drivers are not in the upstream kernel. Are there common reasons why these drivers are not upstream? > Dave cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed