On Sat, 2007-09-22 at 10:28 -0600, Robert Hancock wrote:
> Yinghai Lu wrote:
> > No!
> >
> > MMCONFIG will not work with acpi=off any more.
>
> I don't think this is unreasonable. The ACPI MCFG table is how we are
> supposed to learn about the area in the first place. If we can't get the
> table location via an approved mechanism, and can't validate it doesn't
> overlap with another memory reservation or something, I really don't
> think we should be using it.
We all know how correct ACPI tables are. Specifications are nice,
reality tells a different story.
> I don't think it's much of an issue anyway - the chances that somebody
> will want to run without ACPI on a system with MCFG are pretty low given
> that you'll end up losing a bunch of functionality (not least of which
> is multi-cores).
acpi=off is an often used debug switch and it _is_ quite useful. Taking
away debug functionality is not a good idea.
tglx
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