Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759504AbYAHOlU (ORCPT ); Tue, 8 Jan 2008 09:41:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755288AbYAHOlM (ORCPT ); Tue, 8 Jan 2008 09:41:12 -0500 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:43925 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753413AbYAHOlK (ORCPT ); Tue, 8 Jan 2008 09:41:10 -0500 Date: Tue, 8 Jan 2008 14:38:14 +0000 From: Alan Cox To: Bodo Eggert <7eggert@gmx.de> Cc: Bodo Eggert <7eggert@gmx.de>, "H. Peter Anvin" , Christer Weinigel , Ingo Molnar , "David P. Reed" , Rene Herman , Paul Rolland , Pavel Machek , Thomas Gleixner , linux-kernel@vger.kernel.org, Ingo Molnar , rol@witbe.net Subject: Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay override. Message-ID: <20080108143814.472711ab@lxorguk.ukuu.org.uk> In-Reply-To: References: <9BdU5-1YW-9@gated-at.bofh.it> <9BeZN-3Gf-5@gated-at.bofh.it> <9BnTB-1As-31@gated-at.bofh.it> <9BrX4-8go-1@gated-at.bofh.it> <9BuBG-4eR-51@gated-at.bofh.it> <9BvRd-6aL-71@gated-at.bofh.it> <9GRQW-1DX-13@gated-at.bofh.it> <9GSah-23W-1@gated-at.bofh.it> <9GSDy-2GD-23@gated-at.bofh.it> <9GTpK-40d-15@gated-at.bofh.it> <9GUvy-5H2-11@gated-at.bofh.it> <9GVKU-7SS-25@gated-at.bofh.it> <478281A6.1000704@zytor.com> <20080107232514.699155d6@lxorguk.ukuu.org.uk> X-Mailer: Claws Mail 3.2.0 (GTK+ 2.12.3; x86_64-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 519 Lines: 10 > As long as there is no port 80 card or a similar device using it. If > there is a port 80 card, ISA acess needing the delay does break Such cards are very unusual on ISA machines and it hasn't been a problem in fifteen years. All the alternatives are vastly higher risk -- 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/