Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 9 Mar 2001 20:16:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 9 Mar 2001 20:16:23 -0500 Received: from router-100M.swansea.linux.org.uk ([194.168.151.17]:56070 "EHLO the-village.bc.nu") by vger.kernel.org with ESMTP id ; Fri, 9 Mar 2001 20:16:22 -0500 Subject: Re: [PATCH]: allow notsc option for buggy cpus To: anton@linuxcare.com.au (Anton Blanchard) Date: Sat, 10 Mar 2001 01:19:03 +0000 (GMT) Cc: alan@lxorguk.ukuu.org.uk, linux-kernel@vger.kernel.org In-Reply-To: <20010310115828.A7514@linuxcare.com> from "Anton Blanchard" at Mar 10, 2001 11:58:29 AM X-Mailer: ELM [version 2.5 PL1] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: From: Alan Cox Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > My IBM Thinkpad 600E changes between 100MHz and 400MHz depending if the > power is on. This means gettimeofday goes backwards if you boot with the Intel speedstep CPU. > Even so, we should really catch these cpus at run time. Intel are being remarkably reluctant on the documentation front. We have the AMD speed change docs, but the intel ones (chipset not cpu based primarily) don't seem to be publically available. In fact the 815M manual looks like someone quite pointedly went through and removed the relevant material before publication - 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/