linux-kernel - Re: [PATCH] x86/pci: exclude mrst pci code for other platform

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Message-ID: <4B85A8B8.3000608@zytor.com>
Date:	Wed, 24 Feb 2010 14:31:20 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Yinghai Lu <yinghai@...nel.org>
CC:	"Pan, Jacob jun" <jacob.jun.pan@...el.com>,
	"mingo@...hat.com" <mingo@...hat.com>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Du, Alek" <alek.du@...el.com>,
	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: Re: [PATCH] x86/pci: exclude mrst pci code for other platform

On 02/24/2010 02:10 PM, Yinghai Lu wrote:
> On 02/24/2010 01:44 PM, H. Peter Anvin wrote:
>> On 02/24/2010 01:03 PM, Pan, Jacob jun wrote:
>>> Our goal is to have a binary compatible kernel runs on Moorestown and PC, can
>>> we keep the Moorestown PCI code for this purpose?
>>
>> CONFIG_X86_MRST is supposed to reflect the *ability* to run on
>> Moorestown, not the *requirement* of running on Moorestown.  As such,
>> Yinghai's patch seems correct to me.
>>
>> If you cannot boot a kernel with CONFIG_X86_MRST=y on PC hardware, that
>> is a bug which should be fixed.
> 
> yes, at 64 bit doesn't need that code yet.
> 
> that pci_fixed_bar_fixup cause my nehalem-ex box warm reset...
> 

There was a fix for that earlier today, did you pick that up?

	-hpa

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