linux-kernel - Re: [PATCH] x86/pci: host mmconfig detect clean up v2

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Message-ID: <86802c440902051031l78e4cb25va1b0e6274205a3a0@mail.gmail.com>
Date:	Thu, 5 Feb 2009 10:31:58 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Ed Swierk <eswierk@...stanetworks.com>, tglx@...utronix.de,
	mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
	lenb@...nel.org, linux-acpi@...r.kernel.org,
	linux-pci@...r.kernel.org
Subject: Re: [PATCH] x86/pci: host mmconfig detect clean up v2

On Thu, Feb 5, 2009 at 10:15 AM, Ingo Molnar <mingo@...e.hu> wrote:
>
> * Yinghai Lu <yinghai@...nel.org> wrote:
>
>> Impact: not assume one place for mmconfig in nb
>>
>> prepare for following case: amd fam10h + mcp55
>> CPU MSR has some range, mcp55 pci config will have another one.
>>
>> also prepare for mcp55 + io55 system. every one will have one range.
>>
>> if it s mcp55 detect duties to execlude range that is used by CPU MSR
>> aka, if CPU state bus 0-255, range in mcp55 need to be dropped.
>> because HW in CPU will not route that mcp55 mmconfig to handle it.
>>
>> v2: fix e7520 exit path
>>
>> Signed-off-by: Yinghai Lu <yinghai.lu@...nel.org>
>>
>> ---
>>  arch/x86/pci/mmconfig-shared.c |   98 ++++++++++++++++++++++-------------------
>>  1 file changed, 54 insertions(+), 44 deletions(-)
>
> looks good to me. One for the PCI tree?
>
> Acked-by: Ingo Molnar <mingo@...e.hu>
>
should go with Ed's updated patch before.

to tip or pci tree.

YH
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