From owner-freebsd-current@FreeBSD.ORG Tue Nov 16 04:52:31 2004 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 993E816A4CE for ; Tue, 16 Nov 2004 04:52:31 +0000 (GMT) Received: from digger1.defence.gov.au (digger1.defence.gov.au [203.5.217.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id CEA2343D39 for ; Tue, 16 Nov 2004 04:52:25 +0000 (GMT) (envelope-from wilkinsa@squash.dsto.defence.gov.au) Received: from ednmsw503.dsto.defence.gov.au (ednmsw503.dsto.defence.gov.au [131.185.2.150]) by digger1.defence.gov.au with ESMTP id iAG4pNZg007121 for ; Tue, 16 Nov 2004 15:21:23 +1030 (CST) Received: from muttley.dsto.defence.gov.au (unverified) by ednmsw503.dsto.defence.gov.au (Content Technologies SMTPRS 4.3.10) with ESMTP id for ; Tue, 16 Nov 2004 15:22:14 +1030 Received: from ednex501.dsto.defence.gov.au (ednex501.dsto.defence.gov.au [131.185.2.81]) by muttley.dsto.defence.gov.au (8.11.3/8.11.3) with ESMTP id iAG4mIh14542 for ; Tue, 16 Nov 2004 15:18:18 +1030 (CST) Received: from squash.dsto.defence.gov.au ([131.185.40.212]) by ednex501.dsto.defence.gov.au with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2653.13) id RZJDNB37; Tue, 16 Nov 2004 15:18:11 +1030 Received: from squash.dsto.defence.gov.au (localhost [127.0.0.1]) by squash.dsto.defence.gov.au (8.12.11/8.12.11) with ESMTP id iAG4n70q057897 for ; Tue, 16 Nov 2004 15:19:07 +1030 (CST) (envelope-from wilkinsa@squash.dsto.defence.gov.au) Received: (from wilkinsa@localhost) by squash.dsto.defence.gov.au (8.12.11/8.12.11/Submit) id iAG4n7t0057896 for freebsd-current@freebsd.org; Tue, 16 Nov 2004 15:19:07 +1030 (CST) (envelope-from wilkinsa) Date: Tue, 16 Nov 2004 15:19:06 +1030 From: "Wilkinson, Alex" To: freebsd-current@freebsd.org Message-ID: <20041116044906.GC57615@squash.dsto.defence.gov.au> Mail-Followup-To: freebsd-current@freebsd.org References: <200411160308.10451.michaelnottebrock@gmx.net> <20041116022926.GB57056@squash.dsto.defence.gov.au> <20041115.204608.13771454.imp@bsdimp.com> <41998127.5090506@freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <41998127.5090506@freebsd.org> User-Agent: Mutt/1.5.6i Subject: Re: Detection of HTT 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, 16 Nov 2004 04:52:31 -0000 Cool, thanks Scott. Question: What is an MSR ? [I'm suspecting the R is 'Register']. - aW 0n Mon, Nov 15, 2004 at 09:25:11PM -0700, Scott Long wrote: M. Warner Losh wrote: >In message: <20041116022926.GB57056@squash.dsto.defence.gov.au> > "Wilkinson, Alex" writes: >: Yes you're right ! This sux ! What the hell is Intel claiming that I >have a >: HTT capable CPU, but really I have only 1 core ! > >I seem to recall at the time HTT was introduced that you could put an >HTT into a non-HTT ready mobo. Maybe that's what's happend? > >Warner The HTT flag in the CPUID word only says that the CPU supports the MSRs that tell you how many logical cores are in the CPU. A value of 1 in these registers is perfectly acceptable, and doesn't mean that Intel is ripping you off or that your BIOS is wrong or whatever. This really needs to be made into a FAQ, I guess. Scott