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DateWed, 22 Sep 2010 15:53:39 -0700
From"H. Peter Anvin" <>
SubjectRe: [tip:x86/pci] x86, pci: Ignore any PCI BARs that match an HPET we already know about
On 09/22/2010 03:41 PM, Bjorn Helgaas wrote:
>>
>> It seems there is some problem here:
>>
>> hpet_res is inserted to resource with late_initcall().
>> so if you don't touch that hpet address in bar and not put in the resource.
>> kernel could allocate that address to other devices that doesn't get resource from BIOS.
>
> Hmm, yes, that's a problem. Let me look into it tomorrow; maybe we
> can do something like setting IORESOURCE_PCI_FIXED instead of just
> clearing out the resource.
>
> Bjorn

OK, dropping the patch for now.

-hpa


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