Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752582AbXLaQHT (ORCPT ); Mon, 31 Dec 2007 11:07:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751109AbXLaQHG (ORCPT ); Mon, 31 Dec 2007 11:07:06 -0500 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:51885 "EHLO the-village.bc.nu" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1750797AbXLaQHD (ORCPT ); Mon, 31 Dec 2007 11:07:03 -0500 Date: Mon, 31 Dec 2007 15:56:57 +0000 From: Alan Cox To: Bodo Eggert <7eggert@gmx.de> Cc: "H. Peter Anvin" , 7eggert@gmx.de, Ingo Molnar , Linus Torvalds , Rene Herman , dpreed@reed.com, Islam Amer , Pavel Machek , Ingo Molnar , Andi Kleen , Thomas Gleixner , Linux Kernel Subject: Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay override Message-ID: <20071231155657.59fe8494@the-village.bc.nu> In-Reply-To: References: <9FXbU-3M4-11@gated-at.bofh.it> <9G2Om-4hg-1@gated-at.bofh.it> <9G7O3-3O2-7@gated-at.bofh.it> <9G8qN-4TX-13@gated-at.bofh.it> <4778052E.8000808@zytor.com> <20071230213114.25139163@the-village.bc.nu> X-Mailer: Claws Mail 3.1.0 (GTK+ 2.10.14; i386-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: 685 Lines: 15 On Mon, 31 Dec 2007 15:39:02 +0100 (CET) > > Actually there were, and I sent numerous people patches for that back in > > ISA days. > > Are you talking about VGA cards requiring a delay between outb index/outb > data, VGA cards barfing on outw or systems barfing on outb(0x80,42)? VGA cards barfing on outw - on some trident at least it would cause weird display messups when scrolling the text console that went right the next scroll. -- 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/