From owner-freebsd-smp  Mon Dec  2 17:06:02 1996
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To: Peter Wemm <peter@spinner.dialix.com>
cc: "J.M. Chuang" <smp@bluenose.na.tuns.ca>,
        erich@lodgenet.com (Eric L. Hernes), smp@freebsd.org
Subject: Re: Status report... 
In-reply-to: Your message of "Tue, 03 Dec 1996 08:49:46 +0800."
             <199612030049.IAA02845@spinner.DIALix.COM> 
From: David Greenman <dg@Root.COM>
Reply-To: dg@Root.COM
Date: Mon, 02 Dec 1996 17:05:38 -0800
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>> Besides, if the system is rebooted, I always got the message like:
>> 
>> I'm on cpu #1, I need to be on cpu #0!
>
>Yes, according to the MPSPEC, the only cpu that is allowed to reboot or
>halt the system is the primary CPU.  The reboot code has to try and
>shift itself onto cpu#0 if it starts elsewhere.  

   If one doesn't already exist, a mechanism needs to be created for shutting
down individual CPUs. A shutdown hook should then be added that shuts down
all of the CPUs except 0.

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project