On Tue, 30 Oct 2007, Arjan van de Ven wrote:
>
> something like
> int pci_enable_mmconfig(struct pci_dev *pdev) ?
Yes, that looks fine. It also matches the kinds of things drivers already
have to do (ie enable DMA, MSI etc), both conceptually and from a purely
syntactic/practical standpoint.
I think mmconfig and MSI have a lot in common, in that both are relatively
new features and both have had issues that made them not work well.
> sounds like a very solid plan to me...
>
> > Maybe somebody inside Intel could just clarify the documentation, and
> > change it from "you're not supposed to mix" to "mix all you want".
>
> I'll see what I can do ;)
Well, let's see if "pci_enable_mmconfig()" works out first. There probably
aren't more than a few drivers that would be interested in this anyway, so
it's probably fine.
And by the time mmconfig is commonly used, probably all the teething
problems are long gone, so we could plan on a "in five years, maybe we
could even enable it by default" thing?
Linus
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