Re: SMP or UP???

From: DervishD
Date: Mon Jan 12 2004 - 11:48:33 EST


Hi Helge :)

* Helge Hafting <helgehaf@xxxxxxxxxxxxx> dixit:
> > Excuse my ignorance but: why a UP system needs the MP table? Why
> >the I/O-APIC needs anything related with multiprocessor in an UP
> >system?. I lost my way on hardware back in the 486, I think...
> The MP table tells the kernel details about that I/O-APIC.
> (Advanced Programmable Interrupt Controller).
> This isn't really about SMP, but every SMP board has
> one or more APICs. They have to. It is optional
> on a uniprocessor board, but it is nice to have as it
> gives lower interrupt latency.

Thanks a lot for the information :)

Raúl Núñez de Arenas Coronado

--
Linux Registered User 88736
http://www.pleyades.net & http://raul.pleyades.net/
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