From owner-freebsd-sparc64@FreeBSD.ORG Tue Jan 17 17:08:56 2006 Return-Path: X-Original-To: freebsd-sparc@freebsd.org Delivered-To: freebsd-sparc64@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BA94F16A420; Tue, 17 Jan 2006 17:08:56 +0000 (GMT) (envelope-from jhb@freebsd.org) Received: from speedfactory.net (mail6.speedfactory.net [66.23.216.219]) by mx1.FreeBSD.org (Postfix) with ESMTP id B997743D46; Tue, 17 Jan 2006 17:08:55 +0000 (GMT) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (unverified [66.23.211.162]) by speedfactory.net (SurgeMail 3.5b3) with ESMTP id 6278750 for multiple; Tue, 17 Jan 2006 12:07:30 -0500 Received: from localhost (john@localhost [127.0.0.1]) by server.baldwin.cx (8.13.4/8.13.4) with ESMTP id k0HH8oig038993; Tue, 17 Jan 2006 12:08:51 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-sparc64@freebsd.org Date: Tue, 17 Jan 2006 12:06:46 -0500 User-Agent: KMail/1.9.1 References: <20060116185354.GA22674@SDF.LONESTAR.ORG> <20060116192146.GA16298@ra.aabs> <84dead720601162002j3fad952ar73c3be8b6197aaa9@mail.gmail.com> In-Reply-To: <84dead720601162002j3fad952ar73c3be8b6197aaa9@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200601171206.48133.jhb@freebsd.org> X-Virus-Scanned: ClamAV 0.87.1/1244/Tue Jan 17 03:46:07 2006 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-1.4 required=4.2 tests=ALL_TRUSTED autolearn=failed version=3.1.0 X-Spam-Checker-Version: SpamAssassin 3.1.0 (2005-09-13) on server.baldwin.cx X-Server: High Performance Mail Server - http://surgemail.com r=1653887525 Cc: freebsd-sparc@freebsd.org Subject: Re: Command to start and stop a cpu X-BeenThere: freebsd-sparc64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the Sparc List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Jan 2006 17:08:56 -0000 On Monday 16 January 2006 23:02, Joseph Koshy wrote: > hb> To my knowledge FreeBSD does not support that feature on any platform. > > However, you can disable CPUs using the 'machdep.hlt_cpus' sysctl knob, > ensuring that no thread is scheduled on such a CPU. This knob is described > in smp(4). I think that is x86-only though. I don't think there is support for that on sparc64. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org