> > If say the BSP supports cpuid but an AP does not (possible for an
> > i486 setup)
>
> It's also possible on any SMP aware system, but with the warning
Nope, anything that provides cpuid will update the model and the stepping
correctly.
> "you use asymetric CPUs, you get to keep the pieces". I don't recall
> 486's being any exception to this rule.
Cpuid vs non-cpuid is a non-issue for the i486 -- the glue logic is
external as well as APICs and we don't care about the SMM, so no need to
unsupport it explicitly.
-- + Maciej W. Rozycki, Technical University of Gdansk, Poland + +--------------------------------------------------------------+ + e-mail: macro@ds2.pg.gda.pl, PGP key available +- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/