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From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Use correct x86 reboot vector
Date: 13 May 2003 11:45:00 -0700	[thread overview]
Message-ID: <b9refc$qmd$1@cesium.transmeta.com> (raw)
In-Reply-To: 200305130851_MC3-1-38A3-A3B4@compuserve.com

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

  reply	other threads:[~2003-05-13 18:32 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-13 12:49 [PATCH] Use correct x86 reboot vector Chuck Ebbert
2003-05-13 18:45 ` H. Peter Anvin [this message]
2003-05-13 19:04   ` Richard B. Johnson
2003-05-13 19:27     ` H. Peter Anvin
  -- strict thread matches above, loose matches on Subject: below --
2003-05-10  2:56 Andi Kleen
2003-05-10  3:35 ` CaT
2003-05-10  3:58   ` H. Peter Anvin
2003-05-10 14:49   ` Alan Cox
2003-05-10 16:17     ` Jamie Lokier
2003-05-10 18:47       ` Jos Hulzink
2003-05-11 18:01     ` Eric W. Biederman
2003-05-11 17:24       ` Alan Cox
2003-05-11 19:04         ` Eric W. Biederman
2003-05-10 16:15 ` Jamie Lokier
2003-05-10 17:09   ` Randy.Dunlap
2003-05-10 19:41   ` Jos Hulzink
2003-05-10 18:10     ` Jamie Lokier
2003-05-10 20:55       ` Jos Hulzink
2003-05-11  3:50       ` Linus Torvalds
2003-05-11  9:37         ` Jos Hulzink
2003-05-11 14:01           ` Jamie Lokier
2003-05-11 17:38             ` Davide Libenzi
2003-05-11 17:56               ` Eric W. Biederman
2003-05-11 18:23                 ` Davide Libenzi
2003-05-11 19:12                   ` Eric W. Biederman
2003-05-12 15:36                     ` Maciej W. Rozycki
2003-05-13  6:35                     ` H. Peter Anvin
2003-05-11 18:38                 ` Linus Torvalds
2003-05-11 19:00                   ` Matt Mackall
2003-05-11 19:16                     ` Eric W. Biederman
2003-05-12  1:07                     ` H. Peter Anvin
2003-05-11 19:10                   ` Eric W. Biederman
2003-05-11 18:43                 ` Christer Weinigel
2003-05-11 20:22                   ` wingel
2003-05-11 20:26                     ` Davide Libenzi
2003-05-11 17:54         ` Eric W. Biederman

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