Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752760AbYKRASk (ORCPT ); Mon, 17 Nov 2008 19:18:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751232AbYKRASb (ORCPT ); Mon, 17 Nov 2008 19:18:31 -0500 Received: from terminus.zytor.com ([198.137.202.10]:53122 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750893AbYKRASa (ORCPT ); Mon, 17 Nov 2008 19:18:30 -0500 Message-ID: <492209C8.7040602@zytor.com> Date: Mon, 17 Nov 2008 16:18:16 -0800 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.16 (X11/20080723) MIME-Version: 1.0 To: "Pallipadi, Venkatesh" CC: 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> In-Reply-To: <7E82351C108FA840AB1866AC776AEC464291B456@orsmsx505.amr.corp.intel.com> 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: 418 Lines: 15 Pallipadi, Venkatesh wrote: > > All C-states higher than C1. > Including C2? If so, the TSC is unusable since C2 can be invoked asynchronously by the chipset. -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/