Date: Mon, 12 Jan 2004 17:21:23 +0100
From: DervishD <raul@pleyades.net>
To: Helge Hafting <helgehaf@aitel.hist.no>
Cc: linux-kernel@vger.kernel.org
Subject: Re: SMP or UP???
Message-ID: <20040112162123.GG18408@DervishD>
References: <200401121211.i0CCBg5u006677@harpo.it.uu.se> <20040112122538.GD18408@DervishD> <4002A296.4010305@aitel.hist.no>
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    Hi Helge :)

 * Helge Hafting <helgehaf@aitel.hist.no> 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 :)

    Ra?l N??ez de Arenas Coronado

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