Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266167AbUAGJbx (ORCPT ); Wed, 7 Jan 2004 04:31:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266168AbUAGJbx (ORCPT ); Wed, 7 Jan 2004 04:31:53 -0500 Received: from caramon.arm.linux.org.uk ([212.18.232.186]:29456 "EHLO caramon.arm.linux.org.uk") by vger.kernel.org with ESMTP id S266167AbUAGJbw (ORCPT ); Wed, 7 Jan 2004 04:31:52 -0500 Date: Wed, 7 Jan 2004 09:31:43 +0000 From: Russell King To: "Eric W. Biederman" Cc: Linus Torvalds , Andi Kleen , Mika Penttil? , Andi Kleen , David Hinds , linux-kernel@vger.kernel.org Subject: Re: PCI memory allocation bug with CONFIG_HIGHMEM Message-ID: <20040107093143.A29200@flint.arm.linux.org.uk> Mail-Followup-To: "Eric W. Biederman" , Linus Torvalds , Andi Kleen , Mika Penttil? , Andi Kleen , David Hinds , linux-kernel@vger.kernel.org References: <20040106040546.GA77287@colin2.muc.de> <20040106081203.GA44540@colin2.muc.de> <3FFA7BB9.1030803@kolumbus.fi> <20040106094442.GB44540@colin2.muc.de> <20040106153706.GA63471@colin2.muc.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: ; from ebiederm@xmission.com on Tue, Jan 06, 2004 at 09:58:23PM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 909 Lines: 21 On Tue, Jan 06, 2004 at 09:58:23PM -0700, Eric W. Biederman wrote: > ffff0000-ffffffff : reserved > > That last reserved region is 64K. Which looking at the pci registers > is technically correct at the moment. Only 64K happen to be decoded. We already have this distinction between in use (or busy) resources and allocated resources. Surely the BIOS ROM region should be an allocation resource not a busy resource, so that the MTD driver can obtain a busy resource against it? -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/ 2.6 Serial core - 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/