From: DervishD <raul@pleyades.net>
To: Helge Hafting <helgehaf@aitel.hist.no>
Cc: linux-kernel@vger.kernel.org
Subject: Re: SMP or UP???
Date: Mon, 12 Jan 2004 17:21:23 +0100 [thread overview]
Message-ID: <20040112162123.GG18408@DervishD> (raw)
In-Reply-To: <4002A296.4010305@aitel.hist.no>
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 :)
Raúl Núñez de Arenas Coronado
--
Linux Registered User 88736
http://www.pleyades.net & http://raul.pleyades.net/
next prev parent reply other threads:[~2004-01-12 16:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-12 12:11 SMP or UP??? Mikael Pettersson
2004-01-12 12:25 ` DervishD
2004-01-12 13:35 ` Helge Hafting
2004-01-12 16:21 ` DervishD [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-01-12 10:20 DervishD
2004-01-12 15:30 ` Matthew D. Pitts
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