Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752503AbYKRDbS (ORCPT ); Mon, 17 Nov 2008 22:31:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751794AbYKRDbI (ORCPT ); Mon, 17 Nov 2008 22:31:08 -0500 Received: from terminus.zytor.com ([198.137.202.10]:48091 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751657AbYKRDbI (ORCPT ); Mon, 17 Nov 2008 22:31:08 -0500 Message-ID: <4922361F.3000608@zytor.com> Date: Mon, 17 Nov 2008 19:27:27 -0800 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.16 (X11/20080723) MIME-Version: 1.0 To: Arjan van de Ven CC: Venki Pallipadi , Ingo Molnar , Thomas Gleixner , linux-kernel Subject: Re: [PATCH] x86: Support always running TSC on Intel CPUs References: <20081118001137.GA12350@linux-os.sc.intel.com> <492208BE.2000001@zytor.com> <7E82351C108FA840AB1866AC776AEC464291B456@orsmsx505.amr.corp.intel.com> <492209C8.7040602@zytor.com> <20081118004918.GA19416@linux-os.sc.intel.com> <492211C5.7090302@zytor.com> <20081118010528.GA22044@linux-os.sc.intel.com> <4922154E.4050108@zytor.com> <20081117192629.664fc364@infradead.org> In-Reply-To: <20081117192629.664fc364@infradead.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 601 Lines: 18 Arjan van de Ven wrote: >>> >> I believe there are CPUs -- again, in the P3-era range at least -- >> which invoke C2 from the chipset on thermal conditions (and basically >> PWM the CPU.) I'd like to get that clarified so we don't trip up on >> that. > > p3-era cpus didn't stop tsc in c2 afaik. > OK, that's an important distinction too, then. -hpa -- 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/