Messages in this thread |  | | Date | Tue, 21 Nov 2000 20:08:43 +0100 (MET) | From | "Maciej W. Rozycki" <> | Subject | Re: Linux 2.4.0test11-ac1 |
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On Tue, 21 Nov 2000, Alan Cox wrote:
> Quite a few dual pentium socket 7 boards report dual cpu and apic in the > MP table regardless of the capabilities of the CPU installed. Its apparently > legal to do so. There is an apic capability flag that should be tested before
It's not legal -- the MPS is very explicit the MP-table must reflect a real configuration.
> making any assumptions about APIC availability on a processor.
OK, but how does it handle the 82489DX? There are valid configurations using this kind of APIC, including Pentium P54C ones...
> And yes some boards crash otherwise.
Hmm, the only solution I can see is to check the APIC version in the MP-table and only if an integrated version is reported then check capabilities. But can we trust the version reported given that amount of brokenness out there?
Maciej
-- + Maciej W. Rozycki, Technical University of Gdansk, Poland + +--------------------------------------------------------------+ + e-mail: macro@ds2.pg.gda.pl, PGP key available +
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