From owner-freebsd-current@FreeBSD.ORG  Tue Jun 22 21:08:01 2004
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id C92DF16A4CE
	for <current@FreeBSD.org>; Tue, 22 Jun 2004 21:08:01 +0000 (GMT)
Received: from mail5.speakeasy.net (mail5.speakeasy.net [216.254.0.205])
	by mx1.FreeBSD.org (Postfix) with ESMTP id A59CB43D58
	for <current@FreeBSD.org>; Tue, 22 Jun 2004 21:08:01 +0000 (GMT)
	(envelope-from jhb@FreeBSD.org)
Received: (qmail 7952 invoked from network); 22 Jun 2004 21:07:43 -0000
Received: from dsl027-160-063.atl1.dsl.speakeasy.net (HELO server.baldwin.cx)
	([216.27.160.63])          (envelope-sender <jhb@FreeBSD.org>)
	encrypted SMTP
	for <julian@elischer.org>; 22 Jun 2004 21:07:42 -0000
Received: from 10.50.41.233 (gw1.twc.weather.com [216.133.140.1])
	by server.baldwin.cx (8.12.11/8.12.11) with ESMTP id i5ML7Wck019666;
	Tue, 22 Jun 2004 17:07:32 -0400 (EDT)
	(envelope-from jhb@FreeBSD.org)
From: John Baldwin <jhb@FreeBSD.org>
To: current@FreeBSD.org
Date: Tue, 22 Jun 2004 17:08:32 -0400
User-Agent: KMail/1.6
References: <FE045D4D9F7AED4CBFF1B3B813C85337051D9018@mail.sandvine.com>
	<200406172333.i5HNXDpd010136@apollo.backplane.com>
In-Reply-To: <200406172333.i5HNXDpd010136@apollo.backplane.com>
MIME-Version: 1.0
Content-Disposition: inline
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Message-Id: <200406221708.32433.jhb@FreeBSD.org>
X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on server.baldwin.cx
cc: Julian Elischer <julian@elischer.org>
Subject: Re: STI, HLT in acpi_cpu_idle_c1
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 22 Jun 2004 21:08:01 -0000

On Thursday 17 June 2004 07:33 pm, Matthew Dillon wrote:
>     It kinda sounds like ACPI has bokered the other cpus.  I'm not sure
>     why one would even *want* to use ACPI to idle down Xeon's in an MP
>     system, actually :-)

Power and heat savings.

-- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org