From owner-freebsd-current@FreeBSD.ORG Tue Jul 8 04:36:24 2003 Return-Path: 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 167C537B401 for ; Tue, 8 Jul 2003 04:36:24 -0700 (PDT) Received: from mailbox.univie.ac.at (mailbox.univie.ac.at [131.130.1.27]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1668343F85 for ; Tue, 8 Jul 2003 04:36:23 -0700 (PDT) (envelope-from l.ertl@univie.ac.at) Received: from pcle2.cc.univie.ac.at (pcle2.cc.univie.ac.at [131.130.2.177]) by mailbox.univie.ac.at (8.12.2/8.12.2) with ESMTP id h68BaESB062528; Tue, 8 Jul 2003 13:36:16 +0200 Date: Tue, 8 Jul 2003 13:36:14 +0200 (CEST) From: Lukas Ertl To: Marco Wertejuk In-Reply-To: <20030708102928.GA12503@maeko> Message-ID: <20030708133504.L16193@pcle2.cc.univie.ac.at> References: <20030708110627.X16193@pcle2.cc.univie.ac.at> <20030708102928.GA12503@maeko> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE X-DCC-ZID-Univie-Metrics: mx1 4261; Body=0 Fuz1=0 Fuz2=0 cc: freebsd-current@freebsd.org Subject: Re: HTT on single CPU? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Jul 2003 11:36:24 -0000 On Tue, 8 Jul 2003, Marco Wertejuk wrote: > Hi Lukas, > > | how do I enable Hyperthreading on a box that has just a single CPU? > > you just have to enable Hyperthreading in the computers > BIOS and compile a SMP Kernel with options HTT. I would need to look a second time, but there is no such BIOS option, and "options HTT" was nuked in 5.1, replaced by machdep.hlt_logical_cpus, which I don't have on my system. regards, le --=20 Lukas Ertl eMail: l.ertl@univie.ac.at UNIX-Systemadministrator Tel.: (+43 1) 4277-14073 Zentraler Informatikdienst (ZID) Fax.: (+43 1) 4277-9140 der Universit=E4t Wien http://mailbox.univie.ac.at/~le/