From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754091AbZBJD1t (ORCPT ); Mon, 9 Feb 2009 22:27:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752417AbZBJD1k (ORCPT ); Mon, 9 Feb 2009 22:27:40 -0500 Received: from ozlabs.org ([203.10.76.45]:37071 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752117AbZBJD1k (ORCPT ); Mon, 9 Feb 2009 22:27:40 -0500 From: Rusty Russell To: Shawn Bohrer Subject: Re: [PATCH 5/6] module: make modversion_info contain a pointer, not an array. Date: Tue, 10 Feb 2009 13:57:34 +1030 User-Agent: KMail/1.11.0 (Linux/2.6.27-11-generic; KDE/4.2.0; i686; ; ) Cc: linux-kernel@vger.kernel.org, Jon Masters References: <200901290005.52819.rusty@rustcorp.com.au> <200902071254.28824.rusty@rustcorp.com.au> <20090209175050.GB9486@mediacenter> In-Reply-To: <20090209175050.GB9486@mediacenter> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200902101357.34716.rusty@rustcorp.com.au> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 10 February 2009 04:20:50 Shawn Bohrer wrote: > This also results in a taint flag of 3. So I'm thinking the regression > here is that somewhere between 2.6.25 (I know openSUSE 11 worked too) > and 2.6.27 the kernel stopped allowing modules to load if they didn't > build with modversion support and the kernel was built with > CONFIG_MODVERSIONS=y. Before 2.6.26, the kernel ignored the vermagic field when CONFIG_MODVERSIONS=y. I changed it to only ignore vermagic *if* there were CRCs. If you use modprobe --force, you should be able to load a non-modversions module into a modversions kernel. > > And anyway, what was the symbol name which is over 56 characters long which > > started this? > > Yeah, that is an interesting question isn't it? Let me just say that > namespaces and name mangling make it really easy to have names longer > than 56 characters. Yes, C++. This is one reason we don't support it. Hope that helps, Rusty.