From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751313AbWLNRtM (ORCPT ); Thu, 14 Dec 2006 12:49:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751646AbWLNRtL (ORCPT ); Thu, 14 Dec 2006 12:49:11 -0500 Received: from rwcrmhc11.comcast.net ([216.148.227.151]:44666 "EHLO rwcrmhc11.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751313AbWLNRtJ (ORCPT ); Thu, 14 Dec 2006 12:49:09 -0500 Message-ID: <458189FD.2080805@wolfmountaingroup.com> Date: Thu, 14 Dec 2006 10:29:33 -0700 From: "Jeff V. Merkey" User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20050921 Red Hat/1.7.12-1.4.1 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Alan CC: Bob , linux-kernel@vger.kernel.org Subject: Re: Need to enable caches in SMP ? (was Kernel 2.6 SMP very slow with ServerWorks LE Chipset) References: <4577AA11.6020906@homeurl.co.uk> <4580C054.2080902@homeurl.co.uk> <20061214110324.780b4bf0@localhost.localdomain> In-Reply-To: <20061214110324.780b4bf0@localhost.localdomain> Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Alan wrote: >>As per Alan's suggestion I decompressed the kernel source tree with the >>processes pegged to one CPU then the other, and as he predicted it took >>vastly longer on one CPU than the other, but I don't know what that >>implies, or how to fix it. >> >> > >>>From the timing it sounds like one processor cache is disabled which is a >little peculiar to say the least. > >Alan >- >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/ > > > enable the L1 cache in the processor. BIOS settings, no doubt. Jeff