Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753974AbXLIIJ5 (ORCPT ); Sun, 9 Dec 2007 03:09:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751459AbXLIIJu (ORCPT ); Sun, 9 Dec 2007 03:09:50 -0500 Received: from pasmtpb.tele.dk ([80.160.77.98]:34162 "EHLO pasmtpB.tele.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751009AbXLIIJu (ORCPT ); Sun, 9 Dec 2007 03:09:50 -0500 Date: Sun, 9 Dec 2007 09:11:38 +0100 From: Sam Ravnborg To: Tejun Heo Cc: Linux Kernel , notting@redhat.com, rusty@rustcorp.com.au, kay.sievers@vrfy.org, Greg KH Subject: Re: [PATCH] kbuild: implement modules.order, take #2 Message-ID: <20071209081138.GB4954@uranus.ravnborg.org> References: <475936CE.70703@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <475936CE.70703@gmail.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1681 Lines: 39 On Fri, Dec 07, 2007 at 09:04:30PM +0900, Tejun Heo wrote: > When multiple built-in modules (especially drivers) provide the same > capability, they're prioritized by link order specified by the order > listed in Makefile. This implicit ordering is lost for loadable > modules. > > When driver modules are loaded by udev, what comes first in > modules.alias file is selected. However, the order in this file is > indeterministic (depends on filesystem listing order of installed > modules). This causes confusion. > > The solution is two-parted. This patch updates kbuild such that it > generates and installs modules.order which contains the name of > modules ordered according to Makefile. The second part is update to > depmod such that it generates output files according to this file. > > Note that both obj-y and obj-m subdirs can contain modules and > ordering information between those two are lost from beginning. > Currently obj-y subdirs are put before obj-m subdirs. > > Sam Ravnborg cleaned up Makefile modifications and suggested using awk > to remove duplicate lines from modules.order instead of using separate > C program. > > Signed-off-by: Tejun Heo > Cc: Sam Ravnborg > Cc: Bill Nottingham > Cc: Rusty Russell > Cc: Greg Kroah-Hartman > Cc: Kay Sievers Applied to kbuild.git. Sam -- 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/