Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261179AbUKDOV2 (ORCPT ); Thu, 4 Nov 2004 09:21:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262229AbUKDOTp (ORCPT ); Thu, 4 Nov 2004 09:19:45 -0500 Received: from mx1.redhat.com ([66.187.233.31]:18080 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S261179AbUKDOMw (ORCPT ); Thu, 4 Nov 2004 09:12:52 -0500 Date: Thu, 4 Nov 2004 09:12:33 -0500 From: Dave Jones To: Matt Domsch Cc: Carl-Daniel Hailfinger , Linux Kernel Mailing List Subject: Re: boot option for CONFIG_EDD_SKIP_MBR? Message-ID: <20041104141233.GA32342@redhat.com> Mail-Followup-To: Dave Jones , Matt Domsch , Carl-Daniel Hailfinger , Linux Kernel Mailing List References: <418A303E.1050709@gmx.net> <20041104134534.GA5360@lists.us.dell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041104134534.GA5360@lists.us.dell.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1300 Lines: 30 On Thu, Nov 04, 2004 at 07:45:34AM -0600, Matt Domsch wrote: > On Thu, Nov 04, 2004 at 02:35:58PM +0100, Carl-Daniel Hailfinger wrote: > > [please CC: me on replies] > > having had problems (inifinte hang on boot) with some Fujitsu > > Siemens Scenic computers when EDD was enabled, I asked myself > > if it would be possible to add a boot option edd=nombr and > > possibly also another boot option edd=off to the EDD code in > > the kernel. These would correspond to CONFIG_EDD_SKIP_MBR > > and CONFIG_EDD, respectively. > > > > Yes, option parsing before entering protected mode is ugly, > > but the vga setup code does it, too. > > > > What do you think? > > I'd love it. I hadn't done it as I thought it would be ugly, and so > far I could blame buggy BIOSes for the delay. If you want to work up > a patch, I'll gladly review and apply something that does such. But would this actually be useful for the cases where EDD has been broken so far ? AFAIR, the bootparam parsing happens /after/ we do the 16-bit EDD asm foo. Dave - 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/