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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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