Re: [Xen-devel] [PATCH] xen: use PCI interfaces to request IO and MEM resources on platform device.

From: Jan Beulich
Date: Tue Jan 11 2011 - 09:11:01 EST


>>> On 11.01.11 at 14:01, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx> wrote:
> The old way was correct circa 2.6.37-rc5 but broken in 2.6.37 final,
> there were a bunch of (reverts of) PCI resource changes in that window,
> If I had to make a guess I'd say it was something in there which did it.

Was it perhaps broken somewhere between -rc5 and -final, but
not in -final itself?

>> I'm mainly asking because if it really addresses some problem,
>> then unmodified_drivers/linux-2.6/platform-pci/platform-pci.c
>> in -unstable should probably get updated too.
>
> Assuming the pci_* interfaces exist back as far as we care about for
> those drivers then I don't see why not to apply it.

I checked back to .5, where they exist; the question is - how far
back do we care?

Jan

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