Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755605Ab0DIWji (ORCPT ); Fri, 9 Apr 2010 18:39:38 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:50932 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754295Ab0DIWjf (ORCPT ); Fri, 9 Apr 2010 18:39:35 -0400 Date: Fri, 9 Apr 2010 23:42:45 +0100 From: Alan Cox To: "H. Peter Anvin" Cc: guenter.roeck@ericsson.com, linux-kernel@vger.kernel.org, Yinghai , Linus Torvalds , Bjorn Helgaas , Thomas Gleixner , Ingo Molnar , "linux-pci@vger.kernel.org" , "x86@kernel.org" , Andy Isaacson , Thomas Renninger Subject: Re: [PATCH] x86: Reserve legacy VGA MMIO area for x86_64 as well as x86_32 Message-ID: <20100409234245.4081994a@lxorguk.ukuu.org.uk> In-Reply-To: <4BBF91C6.9090701@zytor.com> References: <20100407210628.28364.96982.stgit@bob.kio> <201004071705.07176.bjorn.helgaas@hp.com> <4BBD13C3.2060404@oracle.com> <201004091004.39857.bjorn.helgaas@hp.com> <4BBF5987.3010100@zytor.com> <4BBF626A.3060800@oracle.com> <4BBF70BC.3080809@zytor.com> <1270839357.1477.758.camel@groeck-laptop> <4BBF89FE.5040909@zytor.com> <1270845108.1477.784.camel@groeck-laptop> <4BBF91C6.9090701@zytor.com> X-Mailer: Claws Mail 3.7.5 (GTK+ 2.18.9; x86_64-redhat-linux-gnu) 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: 606 Lines: 14 > "Don't use legacy fixed-function addresses for nonstandard purposes." > > There, there is your documentation. It's probably a good idea to only reserve it if the space is actually being used. There are a variety of legitimate reasons to use that space for other things on embedded x86 boards. They are only "legacy fixed function" if you have a PCI bus... -- 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/