Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754645Ab3GCVb6 (ORCPT ); Wed, 3 Jul 2013 17:31:58 -0400 Received: from mail-qa0-f51.google.com ([209.85.216.51]:36020 "EHLO mail-qa0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752082Ab3GCVb4 (ORCPT ); Wed, 3 Jul 2013 17:31:56 -0400 MIME-Version: 1.0 In-Reply-To: <51D49655.8030206@suse.cz> References: <87ehfhtftn.fsf@rustcorp.com.au> <87sj3tsawh.fsf@rustcorp.com.au> <87hak8qfu5.fsf@rustcorp.com.au> <87sj3qpwdz.fsf@rustcorp.com.au> <87a9m6sri3.fsf@rustcorp.com.au> <9F26321B-7088-4D16-80D5-72EB388F8E49@redhat.com> <51D491AD.7050008@suse.cz> <51D49655.8030206@suse.cz> From: Lucas De Marchi Date: Wed, 3 Jul 2013 18:31:35 -0300 Message-ID: Subject: Re: [RFC PATCH] Allow optional module parameters To: Michal Marek Cc: Andy Lutomirski , Jonathan Masters , Rusty Russell , "linux-kernel@vger.kernel.org" , Ben Hutchings , "linux-kbuild@vger.kernel.org" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1438 Lines: 37 On Wed, Jul 3, 2013 at 6:23 PM, Michal Marek wrote: > Dne 3.7.2013 23:17, Andy Lutomirski napsal(a): >> On Wed, Jul 3, 2013 at 2:03 PM, Michal Marek wrote: >>> Dne 1.7.2013 18:33, Jonathan Masters napsal(a): >>>> One caveat. Sometimes we have manufactured parameters intentionally >>>> to cause a module to fail. We should standardize that piece. >>> >>> You have: >>> >>> blacklist foo >>> >>> to prevent udev from loading a module and >>> >>> install foo /bin/true >>> >>> to prevent modprobe from loading the module at all. What is the >>> motivation for inventing a third way, through adding invalid parameters? >>> >> >> FWIW, I've occasionally booted with modulename.garbage=1 to prevent >> modulename from loading at boot. It may be worth adding a more >> intentional way to do that. > > Hm, right, there seems to be no clean way to achieve this via a > commandline argument. Maybe define a magic module option to tell the > module loader not to load a module? modprobe.blacklist=modname1,modname2,... is already there, though all the silliness of blacklist applies unless "-b" is passed (that's the equivalent behavior of udev) Lucas De Marchi -- 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/