Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757607AbZJLTYK (ORCPT ); Mon, 12 Oct 2009 15:24:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757428AbZJLTYJ (ORCPT ); Mon, 12 Oct 2009 15:24:09 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:46990 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756811AbZJLTYH (ORCPT ); Mon, 12 Oct 2009 15:24:07 -0400 Date: Mon, 12 Oct 2009 21:22:42 +0200 From: Ingo Molnar To: Yinghai Lu Cc: Bjorn Helgaas , Len Brown , Linus Torvalds , Jesse Barnes , Ricardo Jorge da Fonseca Marques Ferreira , Linux Kernel Mailing List , linux-acpi@vger.kernel.org, Yannick Roehlly , Ivan Kokshaysky , x86@kernel.org Subject: Re: [PATCH] pci: increase alignment to make more space for hidden code Message-ID: <20091012192242.GA2691@elte.hu> References: <200908072333.24631.storm@sys49152.net> <4ACAC8F1.1050706@kernel.org> <4AD24B5C.4050905@kernel.org> <200910121059.10366.bjorn.helgaas@hp.com> <4AD37CA4.90601@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4AD37CA4.90601@kernel.org> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 736 Lines: 20 * Yinghai Lu wrote: > > This feels like a hack that accidentally covers up the problem. I > > don't think we understand what's happening well enough. > > yes, we need to figure out why when acpi=on, those BAR are cleared, > before pci code try to scan and read BAR. (node early pic print out > untouched, but after APCI subsystem is enabled, those BAR got > clearred) I'm wondering, how did it get cleared - some AML script told the kernel to clear it? Ingo -- 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/