From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 13DAEC33CB6 for ; Thu, 23 Jan 2020 14:12:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DE0732051A for ; Thu, 23 Jan 2020 14:12:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727590AbgAWOM5 (ORCPT ); Thu, 23 Jan 2020 09:12:57 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:40191 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726227AbgAWOM5 (ORCPT ); Thu, 23 Jan 2020 09:12:57 -0500 Received: from [5.158.153.53] (helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1iudE0-0001Ni-7q; Thu, 23 Jan 2020 15:12:48 +0100 Received: by nanos.tec.linutronix.de (Postfix, from userid 1000) id 897AF1017FA; Thu, 23 Jan 2020 15:12:47 +0100 (CET) From: Thomas Gleixner To: vipul kumar Cc: Daniel Lezcano , linux-kernel@vger.kernel.org, Stable , Srikanth Krishnakar , Cedric Hombourger , x86@kernel.org, Bin Gao , Andy Shevchenko , Len Brown , Vipul Kumar Subject: Re: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC In-Reply-To: References: <1579617717-4098-1-git-send-email-vipulk0511@gmail.com> <87eevs7lfd.fsf@nanos.tec.linutronix.de> <878slzeeim.fsf@nanos.tec.linutronix.de> Date: Thu, 23 Jan 2020 15:12:47 +0100 Message-ID: <87muaep8gw.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Vipul, please disable HTML mixed mode completely in your mail client when posting on LKML. Such mails are silently dropped on the list server and never reach the public archives. vipul kumar writes: >> > On Tue, Jan 21, 2020 at 11:15 PM Thomas Gleixner >> wrote: >> What's the frequency which is determined from the MSR? Something like >> ... > > tsc: Detected 1832.600 MHz processor vs. > tsc: Refined TSC clocksource calibration: 1833.333 MHz So the MSR readout is off by 0.4% > Attached full logs with patch and without patch. I can't find the debug output in them. Also: > [ 0.000000] Linux version 4.14.139-rt66 .... Can you please run that patch on top of current mainline please? I really want to see the debug output. Thanks, tglx