Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751708Ab3JEK5f (ORCPT ); Sat, 5 Oct 2013 06:57:35 -0400 Received: from mail-wi0-f174.google.com ([209.85.212.174]:49542 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751502Ab3JEK5d (ORCPT ); Sat, 5 Oct 2013 06:57:33 -0400 MIME-Version: 1.0 In-Reply-To: References: <20131004011806.GE20450@dangermouse.emea.sgi.com> Date: Sat, 5 Oct 2013 18:57:32 +0800 Message-ID: Subject: Re: Commit 07f9b61 breaks systems that don't implement a _CBA method From: Ethan Zhao To: Yinghai Lu Cc: Bjorn Helgaas , "linux-pci@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Ethan Zhao Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1065 Lines: 23 On Sat, Oct 5, 2013 at 7:55 AM, Yinghai Lu wrote: > On Fri, Oct 4, 2013 at 3:11 PM, Bjorn Helgaas wrote: >> On Thu, Oct 3, 2013 at 7:18 PM, Hedi Berriche wrote: > >> It's regrettable that the code is so subtle. The obvious thing to do >> would be to check for _CBA, and if it doesn't exist, look for an MCFG >> entry. But for various historical reasons, the code is a mess, and we >> haven't figured out how to safely simplify it. >> >> Ethan, Yinghai, any objections to reverting 07f9b61? > > yes, that is right solution. > -- Thanks, pull it out from the trap. > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- 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/