From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750774AbVH3Fcm (ORCPT ); Tue, 30 Aug 2005 01:32:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750777AbVH3Fcm (ORCPT ); Tue, 30 Aug 2005 01:32:42 -0400 Received: from dsl027-180-168.sfo1.dsl.speakeasy.net ([216.27.180.168]:50615 "EHLO sunset.davemloft.net") by vger.kernel.org with ESMTP id S1750774AbVH3Fcl (ORCPT ); Tue, 30 Aug 2005 01:32:41 -0400 Date: Mon, 29 Aug 2005 22:32:38 -0700 (PDT) Message-Id: <20050829.223238.18109086.davem@davemloft.net> To: jonsmirl@gmail.com Cc: benh@kernel.crashing.org, linux-kernel@vger.kernel.org, greg@kroah.com, helgehaf@aitel.hist.no, torvalds@osdl.org Subject: Re: Ignore disabled ROM resources at setup From: "David S. Miller" In-Reply-To: <9e47339105082921356543098c@mail.gmail.com> References: <200508261859.j7QIxT0I016917@hera.kernel.org> <1125369485.11949.27.camel@gaston> <9e47339105082921356543098c@mail.gmail.com> X-Mailer: Mew version 4.2 on Emacs 21.4 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Jon Smirl Date: Tue, 30 Aug 2005 00:35:11 -0400 > As far as I can tell no one has built recent hardware this way. But I > believe there are some old SCSI controllers that do this. I provided a > ROM API for disabling sysfs access, if we identify one of these cards > we should just add a call to it's driver to disable ROM access instead > of bothering with the copy. Currently the copy is not being used > anywhere in the kernel. Qlogic ISP is one such card, but there are several others. I think enabling the ROM is a very bad idea, since we in fact know it disables the I/O and MEM space decoders on a non-empty set of PCI cards.