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Date:      Sat, 29 Apr 2000 21:50:47 -0600
From:      Steve Passe <smp@csn.net>
To:        Dave Boers <djb@ifa.au.dk>
Cc:        smp@FreeBSD.ORG
Subject:   Re: hlt instructions and temperature issues 
Message-ID:  <200004300350.VAA13194@Ilsa.StevesCafe.com>

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Hi,

> In <200004291445.IAA09070@Ilsa.StevesCafe.com> Steve Passe <smp@csn.net> wrote:
> > 
> > Did you use the version that had the explicit instruction between the sti
> > and hlt:
> >  ENTRY(default_halt)
> >  	sti
> > 	movl	$0, lapic_tpr
> > 	hlt
> >  	ret
> > or one of the other variations we discussed?
> > 
> > I would like to repeat your experiment.

> Yes, I used Luoqi Chen's original patch, no modifications.

This is very weird, my times improved with the hlt instruction in place:

http://people.FreeBSD.org/~fsmp/SMP/hltbenches.html
--
Steve Passe	| powered by 
smp@csn.net	|            Symmetric MultiProcessor FreeBSD




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