Re: smp + acpi

Andi Kleen
2006-07-26T17:15:08Z

> CONFIG_ACPI=y is necessary to parse the ACPI tables
> and discover HT siblings. Except for the rare BIOS
> that gives the option to enumerate HT via MPS
> (thus breaking some versions of Windows),
> enabling ACPI is the only way to enable HT.
>
> Yes, in the distant past, CONFIG_ACPI=n did not remove
> all ACPI code from your kernel, and that was a bug.

Ok thanks for the confirmation.

However the proposed change would be still wrong because
SMP can be without HT.

-Andi