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

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

On Tue, 2011-01-11 at 14:10 +0000, Jan Beulich wrote:
> >>> 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?

No I'm working with 2.6.37 final and it is broken there.

> >> 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?

You mean 2.6.5? That's old enough to be the cut off IMHO.

I'm not sure how much actual use these drivers get these days though.

Ian.



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