Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763037AbYCFVUu (ORCPT ); Thu, 6 Mar 2008 16:20:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752355AbYCFVUG (ORCPT ); Thu, 6 Mar 2008 16:20:06 -0500 Received: from jbanks.dsl.xmission.com ([204.228.152.159]:48105 "EHLO mail.bakbone.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752068AbYCFVUF (ORCPT ); Thu, 6 Mar 2008 16:20:05 -0500 X-Greylist: delayed 2566 seconds by postgrey-1.27 at vger.kernel.org; Thu, 06 Mar 2008 16:20:04 EST From: Justin Banks Date: Thu, 6 Mar 2008 13:38:41 -0700 To: "Miller, Mike (OS Dev)" Cc: linux-kernel@vger.kernel.org Subject: Re: FW: Linux question Message-ID: <20080306203841.GA4282@bleen.domain.actdsltmp> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 663 Lines: 20 Miller, Mike (OS Dev) wrote > Is there a way in to limit the kernel to seeing only the cores on a > single processor and ignore all other processor cores (eg. leave > them in HALT)? Can't you just echo 0 into /sys/devices/system/cpu/cpuN/online where the /sys/devices/system/cpu/cpuN/topology/physical_package_id isn't the one you want to keep online? -justinb -- Justin Banks BakBone Software justinb@bakbone.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/