From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753509AbYD2Vci (ORCPT ); Tue, 29 Apr 2008 17:32:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752161AbYD2Vca (ORCPT ); Tue, 29 Apr 2008 17:32:30 -0400 Received: from outbound-mail-113.bluehost.com ([69.89.24.3]:60940 "HELO outbound-mail-113.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751937AbYD2Vc3 (ORCPT ); Tue, 29 Apr 2008 17:32:29 -0400 From: Jesse Barnes To: Ingo Molnar Subject: Re: [git pull] PCI updates for 2.6.26 Date: Tue, 29 Apr 2008 14:32:19 -0700 User-Agent: KMail/1.9.9 Cc: Linus Torvalds , linux-kernel@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz, Kristen Carlson Accardi , Yinghai Lu References: <200804291012.21832.jbarnes@virtuousgeek.org> <20080429202632.GA4967@elte.hu> In-Reply-To: <20080429202632.GA4967@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200804291432.19653.jbarnes@virtuousgeek.org> X-Identified-User: {642:box128.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 75.111.27.49 authed with jbarnes@virtuousgeek.org} Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday, April 29, 2008 1:26 pm Ingo Molnar wrote: > * Jesse Barnes wrote: > > Nothing really major here: some bug fixes, documentation fixes and > > some trivial stuff for 2.6.26. Some of the more important changes are > > actually coming in through Ingo's "big box" tree, so the excitement > > (and risk) level here should be pretty low. > > i see they are now both upstream and the combination mixed well :) > > there are a few other PCI items in x86.git btw that you might want to > have a look at and which you might want to pick up into your tree - they > dont really belong into x86.git. > > one would be the patch below - it gives us a boot option to enable a lot > more port IO resource space on modern (large) systems, and increases the > maximum number of PCI cards that Linux can support. > > given that true ISA cards with port decode mirroring problems are > history on new systems, shouldnt this DMI opt-in feature be a > default-enabled thing instead somehow? DMI really sucks for sane > features, it does not scale at all as it always lags behind reality. > > Can we discover it in a robust way that the system has no chance for ISA > cards and turn the tighter non-ISA alignment of port resources on > automatically? [for cases where Linux does the port allocation and > sizing] Hm, there's some ISA stuff in ACPI, but I'm not sure how reliable that would be... I'll take a look through some chipset manuals. Jesse