On Thu, 2006-10-05 at 15:45 -0700, Linus Torvalds wrote:
>
> On Thu, 5 Oct 2006, Jeff Garzik wrote:
>
> > Andi Kleen wrote:
> > > If the choice is between a secret NDA only card with dubious
> > > functionality and booting on lots of modern boards I know what to choose.
> >
> > That's a strawman argument. There is no need to choose. You can clearly boot
> > on lots of modern boards with mmconfig just fine. We just need to narrow down
> > which ones.
>
> Jeff, _that_ is the strawman argument.
>
> The thing is, nobody has been able to so far come up with a way to narrow
> down which ones.
>
> I think Andi's response was quite on the mark: if you have a patch to
> narrow it down, please share. Until then, the fact is, we don't know
> _how_, and you're barking up the wrong tree.
we can do a tiny bit better than the current code; some chipsets have
the address of the MMIO region stored in their config space; so we can
get to that using the old method and validate the acpi code with that.
I'm (in the background) working on collecting which chipsets have this;
it seems that at least several Intel ones do.
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