To: linux-kernel@vger.kernel.org
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH] Use correct x86 reboot vector
Date: 13 May 2003 11:45:00 -0700
Organization: Transmeta Corporation, Santa Clara CA
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Followup to:  <200305130851_MC3-1-38A3-A3B4@compuserve.com>
By author:    Chuck Ebbert <76306.1226@compuserve.com>
In newsgroup: linux.dev.kernel
>
> Christer Weinigel wrote:
> 
> > BTW, what does Windows do here?  Whatever Windows is using should work
> > with Linux too.
> 
>   I've only ever seen NT4/2K do a warm reboot, if that's relevant.
> 
>   FreeBSD unmaps every page in the machine and then flushes the
> TLB as its last-resort reboot attempt.  I assume this causes a
> triplefault...
> 

So it does.  It's easier, though, to set the limit on the IDTR to zero
and then trap.

	-hpa
-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
Architectures needed: ia64 m68k mips64 ppc ppc64 s390 s390x sh v850 x86-64
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