Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755658AbXJ2BIR (ORCPT ); Sun, 28 Oct 2007 21:08:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752514AbXJ2BIG (ORCPT ); Sun, 28 Oct 2007 21:08:06 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:55526 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752805AbXJ2BIF (ORCPT ); Sun, 28 Oct 2007 21:08:05 -0400 Date: Sun, 28 Oct 2007 18:08:07 -0700 (PDT) Message-Id: <20071028.180807.165828961.davem@davemloft.net> To: gregkh@suse.de Cc: barak@neocleus.com, linux-kernel@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz, guy@neocleus.com Subject: Re: [PATCH] Align PCI memory regions to page size (4K) - Fix From: David Miller In-Reply-To: <20071028200336.GA14563@suse.de> References: <20071028193104.GA13956@suse.de> <9392A06CB0FDC847B3A530B3DC174E7B03C96F36@mse10be1.mse10.exchange.ms> <20071028200336.GA14563@suse.de> X-Mailer: Mew version 5.2 on Emacs 22.1 / 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 Content-Length: 752 Lines: 17 From: Greg KH Date: Sun, 28 Oct 2007 13:03:36 -0700 > But doesn't aligning such regions on that alignment break some devices > as that is not what the device is asking for in the BIOS? There are also platforms where bootup firmware chooses the allocations, and that is what we use no matter what. This is so that when breaking into the firmware for debugging the firmware can still access the console device where it had mapped it in the first place. We really can't do things this way. - 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/