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Message-ID: <46924116.1080901@amd.com>
Date: Mon, 09 Jul 2007 16:07:18 +0200
From: "Matthias Lenk" <matthias.lenk@....com>
To: "Andi Kleen" <ak@...e.de>
cc: "Aaron Durbin" <adurbin@...gle.com>, linux-kernel@...r.kernel.org,
akpm@...l.org
Subject: Re: [PATCH] i386/x86_64: Insert HPET firmware resource after
PCI enumeration has completed
Andi, Aaron,
I retested the patch with Andi's patch not reverted (that's the way it's
meant to be I guess) and then it works! I can now boot with HPET enabled.
Thanks,
Matthias
Matthias Lenk wrote:
> Aaron, I tested the patch on my affected system and unfortunately it
> did not work. The BAR1 resource still gets overridden and hence the
> same effects as before.
>
> Thanks,
>
> Matthias
>
> Andi Kleen wrote:
>> On Friday 06 July 2007 00:27:24 Aaron Durbin wrote:
>>
>>> Insert HPET resources after pci probing has been completed in order
>>> to avoid
>>> resource conflicts with PCI resource reservation. With this change the
>>> HPET firmware resources will be identified, but it should also not
>>> cause
>>> issues when the HPET address falls on a BAR in a PCI device, and the
>>> PCI
>>> enumeration cannot reserve the resources.
>>>
>>
>> But what advantage does it have when it's already reserved by PCI?
>>
>> That's only a cosmetic change, isn't it? A lot of code for cosmetics.
>>
>> -Andi
>>
>>
>>
>
>
>
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