Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1751271Ab0GGE2v (ORCPT <rfc822;w@1wt.eu>);
	Wed, 7 Jul 2010 00:28:51 -0400
Received: from mail-iw0-f174.google.com ([209.85.214.174]:62152 "EHLO
	mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1750768Ab0GGE2t convert rfc822-to-8bit (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Wed, 7 Jul 2010 00:28:49 -0400
DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=mime-version:in-reply-to:references:date:message-id:subject:from:to
         :cc:content-type:content-transfer-encoding;
        b=tN/ss+1GIXeqD+6Lt4JZKHE0xS36ao3khXPXXt14MUhc1xjhVafwpChGWOctHcqlCb
         yImyHxbAOOUVqygZGfbuB9NzjcmMoMMIv9ujSZ+SHou8YpdwzNKWN2kDxPJh6iiBQJuE
         rYOF4EZ/+1VlWjxh0L5gkX6ZVxiY7FK9KWhhk=
MIME-Version: 1.0
In-Reply-To: <4C33CF1C.7020803@kernel.org>
References: <20100630211516.GA25991@us.ibm.com>
	<AANLkTin6_LbGwRZm3GPDnyNb36v8G4DHqGno1mEXjmV0@mail.gmail.com>
	<20100630235949.GA5120@us.ibm.com>
	<20100702143515.2896d728@virtuousgeek.org>
	<4C33B883.6010206@kernel.org>
	<AANLkTiknAtUipCr64qwJXakD9VgqhHNp35KPq5x9_x8V@mail.gmail.com>
	<4C33CF1C.7020803@kernel.org>
Date: Wed, 7 Jul 2010 14:28:47 +1000
Message-ID: <AANLkTiksRIyTSBWPThUqhG-5-JXpZLlJ87fyxrXuXpbO@mail.gmail.com>
Subject: Re: [RFC PATCH 1/1] PCI: skip release and reallocation of io port 
	resources
From: Andrew Hendry <andrew.hendry@gmail.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
       Jesse Barnes <jbarnes@virtuousgeek.org>, Ram Pai <linuxram@us.ibm.com>,
       linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
       clemens@ladisch.de
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8BIT
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 2682
Lines: 67

Is this the same or related issue?

http://lkml.org/lkml/2010/7/6/108
New messages since -rc4, X and graphics really slow after.

[    1.387013] swapper:1 freeing invalid memtype bf788000-bf789000
[    1.387409] swapper:1 freeing invalid memtype bf789000-bf78a000
[    5.999675] modprobe:548 freeing invalid memtype d0000000-d0040000
[    6.068347] modprobe:548 freeing invalid memtype d0140000-d0150000
[    6.068647] modprobe:548 freeing invalid memtype d0150000-d0160000
[    6.069661] modprobe:548 freeing invalid memtype d0170000-d01f0000
[    6.085969] modprobe:548 freeing invalid memtype d01f0000-d0200000
[    6.087673] modprobe:548 freeing invalid memtype d0210000-d0220000
[    6.087900] modprobe:548 freeing invalid memtype d0220000-d0230000
[    6.088092] modprobe:548 freeing invalid memtype d0230000-d0240000
[    6.088317] modprobe:548 freeing invalid memtype d0240000-d0250000


On Wed, Jul 7, 2010 at 10:49 AM, Yinghai Lu <yinghai@kernel.org> wrote:
> On 07/06/2010 04:58 PM, Linus Torvalds wrote:
>> On Tue, Jul 6, 2010 at 4:13 PM, Yinghai Lu <yinghai@kernel.org> wrote:
>>>
>>> So you want to use pci=override_bios to reallocate all bios assigned resource include
>>> peer root buses resources and pci bridge resource and pci devices BAR?
>>
>> In a perfect world, we'd never need this at all, but sicne that's not
>> an option, the second-best alternative might be something like the
>> following:
>>
>> ? pci=override=off # default
>> ? pci=override=conflict # override only on conflicts
>> ? pci=override=<device> # clear BIOS allocations for <device> (and any
>> children, if it's a bus)
>
> current:
> if there is conflict, like pci bridge resources or pci devices resources is not in the scope of peer root bus resource range.
> or pci devices is not in pci bridge resources range.
> kernel would reject the resource and try to get new range in parent resource for the children.
>
> so current default is overriding the conflicts already.
>
> Maybe your conflicts have other meaning? like pci bridge resource size is not big enough?
>
> or we can have use
>
> pci=override=small_bridge
>
> or
>
> pci=override=bridges
>
> instead?
>
> Thanks
>
> Yinghai
> --
> 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/
>
--
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/