From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261883AbTDHRTd (for ); Tue, 8 Apr 2003 13:19:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261884AbTDHRTd (for ); Tue, 8 Apr 2003 13:19:33 -0400 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:10405 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S261883AbTDHRTb (for ); Tue, 8 Apr 2003 13:19:31 -0400 Date: Tue, 8 Apr 2003 18:31:09 +0100 From: Matthew Wilcox To: Ivan Kokshaysky Cc: Matthew Wilcox , linux-kernel@vger.kernel.org, grundler@parisc-linux.org Subject: Re: [PATCH] [3/3] PCI segment support Message-ID: <20030408173109.GD23430@parcelfarce.linux.theplanet.co.uk> References: <20030407234411.GT23430@parcelfarce.linux.theplanet.co.uk> <20030408203824.A27019@jurassic.park.msu.ru> <20030408165026.GA23430@parcelfarce.linux.theplanet.co.uk> <20030408212119.A783@jurassic.park.msu.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030408212119.A783@jurassic.park.msu.ru> User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 08, 2003 at 09:21:19PM +0400, Ivan Kokshaysky wrote: > On Tue, Apr 08, 2003 at 05:50:26PM +0100, Matthew Wilcox wrote: > > Because it's possible to have multiple pci root bridges in the same > > pci domain. This is true on at least HP's ia64 & parisc boxes. > > I believe each PCI controller on these ia64/parisc boxes has its > own config space, and can support up to 256 bridged PCI buses, right? > Whether or not these PCI controllers share the same IO or MEM space is > irrelevant (because it's entirely implementation specific). I think hardware _could_ work like that, but it's never set up to work like that in practice. -- "It's not Hollywood. War is real, war is primarily not about defeat or victory, it is about death. I've seen thousands and thousands of dead bodies. Do you think I want to have an academic debate on this subject?" -- Robert Fisk