From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262639AbVG2Q2w (ORCPT ); Fri, 29 Jul 2005 12:28:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262653AbVG2Q0o (ORCPT ); Fri, 29 Jul 2005 12:26:44 -0400 Received: from zproxy.gmail.com ([64.233.162.195]:59574 "EHLO zproxy.gmail.com") by vger.kernel.org with ESMTP id S262664AbVG2QZh convert rfc822-to-8bit (ORCPT ); Fri, 29 Jul 2005 12:25:37 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=eUYc80Olec8Rp/IZHS9oQVrlhPGNaEc1/4u3WhAn3gUt5IkNhSjorTmZ591AtuiDfWm38nclqbsWFuEgQg9cHU0W0R+uYuBydnlFsFPMavGym6XUEq6VDOjfViKPIztMiig+/MXx2HulQ6dty1wl7C2E4v+Zxi16zLS4kjQFD+c= Message-ID: <5a67a16f05072909245ae1c44c@mail.gmail.com> Date: Fri, 29 Jul 2005 12:24:49 -0400 From: Athul Acharya Reply-To: Athul Acharya To: linux-kernel@vger.kernel.org Subject: Determining if the current processor is Hyperthreaded Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hey folks, Is there a quick way to determine if the current processor is Hyperthreaded, and if so, which logical processor represents the other thread on the chip? Please cc replies to me as I am not subscribed to the list :-) Thanks, Athul