From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner+w=401wt.eu-S932079AbZIQRqK@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S932079AbZIQRqK (ORCPT <rfc822;w@1wt.eu>);
	Thu, 17 Sep 2009 13:46:10 -0400
Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758728AbZIQRqH
	(ORCPT <rfc822;linux-kernel-outgoing>);
	Thu, 17 Sep 2009 13:46:07 -0400
Received: from hera.kernel.org ([140.211.167.34]:60698 "EHLO hera.kernel.org"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1758721AbZIQRqG (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
	Thu, 17 Sep 2009 13:46:06 -0400
Message-ID: <4AB275A1.8020005@kernel.org>
Date: Thu, 17 Sep 2009 10:45:05 -0700
From: Yinghai Lu <yinghai@kernel.org>
User-Agent: Thunderbird 2.0.0.22 (X11/20090605)
MIME-Version: 1.0
To: Ingo Molnar <mingo@elte.hu>
CC: Jesse Barnes <jbarnes@virtuousgeek.org>,
       Rusty Russell <rusty@rustcorp.com.au>, Tejun Heo <tj@kernel.org>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
       Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [git pull] first round of PCI updates for 2.6.32
References: <20090915132105.2fdd1d45@jbarnes-g45> <20090917173012.GA11155@elte.hu>
In-Reply-To: <20090917173012.GA11155@elte.hu>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Ingo Molnar wrote:
> * Jesse Barnes <jbarnes@virtuousgeek.org> wrote:
> 
>> The following changes since commit 332a3392188e0ad966543c87b8da2b9d246f301d:
>>   Linus Torvalds (1):
>>         Merge git://git.kernel.org/.../herbert/crypto-2.6
> 
> Since this went upstream -tip tests have been triggering nasty bootup 
> crashes in the PCI code:
> 
> [    4.366174] initcall pci_proc_init+0x0/0x7a returned 0 after 976 usecs
> [    4.373009] calling  pcie_portdrv_init+0x0/0x60 @ 1
> [    4.378368] bus: 'pci_express': registered
> [    4.382009] bus: 'pci': add driver pcieport-driver
> [    4.387058] bus: 'pci': driver_probe_device: matched device 0000:00:0b.0 with driver pcieport-driver
> [    4.396005] bus: 'pci': really_probe: probing driver pcieport-driver with device 0000:00:0b.0
> [    4.404056] cpumask_of_node(255): node > nr_node_ids(16)

please check

[PATCH] x86/pci: retore 32bit to node0 as default node

to fix crash on 32bit system

diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 5db96d4..e562ade 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -646,9 +646,7 @@ int get_mp_bus_to_node(int busnum)
 
 #else /* CONFIG_X86_32 */
 
-static unsigned char mp_bus_to_node[BUS_NR] = {
-	[0 ... BUS_NR - 1] = -1
-};
+static unsigned char mp_bus_to_node[BUS_NR];
 
 void set_mp_bus_to_node(int busnum, int node)
 {