linux-kernel - Re: [PATCH 19/20] x86/pci: ioh new version read all at same time

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Message-ID: <4BA7C5D3.2040804@kernel.org>
Date:	Mon, 22 Mar 2010 12:32:35 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
CC:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 19/20] x86/pci: ioh new version read all at same time

On 03/22/2010 09:16 AM, Jesse Barnes wrote:
> On Sun, 21 Mar 2010 00:13:20 -0700
> Yinghai Lu <yinghai@...nel.org> wrote:
> 
>> also it will add back default range to legacy IOH
>>
> 
> This patch is a bit short on details.  Are we fixing a real bug here
> that _CRS fails to cover?  Or is it just for debug purposes?
> 

yes for debug purpose. anyway BIOS need to keep them the same.

one from HW register reading, and one from acpi.

Yinghai
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