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From: Peter Bergner <bergner@borg.umn.edu>
Date: Fri, 23 Feb 2001 15:34:47 -0600
To: Peter Samuelson <peter@cadcamlab.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [ANNOUNCE] Boot log for Linux PPC64 on POWER3 hardware
Message-ID: <20010223153447.A537283@brule.borg>
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Peter Samuelson wrote:
: Impressive.  One question, though --
: 
: > starting cpu /cpus/PowerPC,POWER3@1...ok
: > starting cpu /cpus/PowerPC,POWER3@2...ok
: > starting cpu /cpus/PowerPC,POWER3@3...ok
: 
: You have 4 CPUs?
: 
: > OpenPIC Version 1.2 (8 CPUs and 32 IRQ sources) at e000000001002000
: > OpenPIC timer frequency is 0 MHz
: 
: ...or is it 8 CPUs?
: 
: > swamsauger:~ # uname -a
: > Linux swamsauger 2.4.0-tg11 #188 Thu Feb 22 19:55:45 CST 2001 ppc64 unknown
: > swamsauger:~ # 
: > swamsauger:~ # cat /proc/cpuinfo 
: > processor       : 0
: 
: ...or just one CPU?

Olaf pretty much answered all your questions.  Yes we are running a
non-SMP kernel at the moment, but even non-SMP kernels need to place
an SMP's unused processors in a spin loop so they don't play havoc
with the system.

Peter

--
Peter Bergner
SLIC Optimizing Translator Development / Linux PPC64 Kernel Development
IBM Rochester, MN
bergner@us.ibm.com

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