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SubjectRe: Linux 2.4.0test11-ac1
On Wed, 22 Nov 2000, Alan Cox wrote:

> I think it reports 1.1 apics from memory. Its simply hardcoded in the bios
> rather than the configurable flash area.

So we might check for it. Good!

> The following change should make all of this work
> if(vendor!=INTEL && !has_apic)
> /* No SMP */

And suddenly certain i486 systems do not work anymore? Well, I haven't
actually heard of an i486 SMP system running Linux so far (maybe they just
work fine, so no reports). But we could try the following, instead:

if (boot_cpu_id != -1U
&& APIC_INTEGRATED(apic_version[boot_cpu_id]) && !has_apic)
/* No SMP */

It should filter broken MP-tables and work fine on all 82489DX-based
systems. I'll have a patch soon if we agree on this solution.


+ Maciej W. Rozycki, Technical University of Gdansk, Poland +
+ e-mail:, PGP key available +

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