From owner-cvs-all Wed Jan 8 10:53:19 2003 Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D586B37B401 for ; Wed, 8 Jan 2003 10:53:17 -0800 (PST) Received: from mail.speakeasy.net (mail16.speakeasy.net [216.254.0.216]) by mx1.FreeBSD.org (Postfix) with ESMTP id 60C4A43E4A for ; Wed, 8 Jan 2003 10:53:17 -0800 (PST) (envelope-from jhb@FreeBSD.org) Received: (qmail 22125 invoked from network); 8 Jan 2003 18:53:22 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) by mail16.speakeasy.net (qmail-ldap-1.03) with DES-CBC3-SHA encrypted SMTP for ; 8 Jan 2003 18:53:22 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.6/8.12.6) with ESMTP id h08IrEUT083918; Wed, 8 Jan 2003 13:53:14 -0500 (EST) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.5.2 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <15900.24024.800260.88293@grasshopper.cs.duke.edu> Date: Wed, 08 Jan 2003 13:53:23 -0500 (EST) From: John Baldwin To: Andrew Gallatin Subject: Re: cvs commit: src/sys/i386/i386 mp_machdep.c Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On 08-Jan-2003 Andrew Gallatin wrote: > > John Baldwin writes: > > > > BTW, I'm surprised as hell that HT is enabled on my cpu. I did not > > > think that the "older" 2.53Ghz/533MHz FSB P4s had HT.. this box is 2 > > > months old. The board is an Intel Desktop D845EBG2. > > > > Well, it might not be. You would need to check your new dmesg to see > > if it is. Currently HT is only available on P4 Xeons. The acpi_cpu > > And the 3.06GHz P4s. > > Anyway, what's confusing me is that my cpu has CPU_HTT set in the > features: > > Features=0x3febfbff H,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM> > > I guess what you're saying is that even though it has hyperthreading > set in the features list, it may not have multiple hyperthreading > cores, so HTT in the features might just be a red herring. Yes. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message