On Wednesday, May 23, 2007 5:21:13 Linus Torvalds wrote:
> On Wed, 23 May 2007, Jesse Barnes wrote:
> > After I sent my last message I realized the same thing... though I
> > occasionally hear people talk about removing it (I seriously doubt that
> > will ever happen). I don't even think there's a way to disable type 1
> > config access on Intel chipsets...
>
> Considering that the chipsets still have support for features that
> *really* aren't used (and haven't been used in over a decade), I doubt the
> conf1 thing is going away any time soon.
>
> Things like: A20 gate, 15-16MB holes, i387 FP exception on irq 13 are
> totally pointless in this day and age. Things like the DMA controller are
> getting there, along with PS/2 keyboard support.
>
> So there's a lot of things that are likely to be removed before conf1
> accesses would. Removing CONF1 accesses would break every single current
> OS, they'll do that ten years from now at the earliest.
So what do you think? You ok with enabling mmconfig if it's available as long
as we use type 1 accesses for non-extended stuff? If so, I think the patches
are pretty much ready...
Thanks,
Jesse
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