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 197B3C3F68F for ; Wed, 29 Jan 2020 15:14:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E4F5B20732 for ; Wed, 29 Jan 2020 15:14:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726902AbgA2POM convert rfc822-to-8bit (ORCPT ); Wed, 29 Jan 2020 10:14:12 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:33245 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726795AbgA2POM (ORCPT ); Wed, 29 Jan 2020 10:14:12 -0500 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-88-Q3tD76DDPH-PeBm5aDekKg-1; Wed, 29 Jan 2020 15:14:06 +0000 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Wed, 29 Jan 2020 15:14:05 +0000 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Wed, 29 Jan 2020 15:14:05 +0000 From: David Laight To: 'Hans de Goede' , Andy Shevchenko CC: Thomas Gleixner , vipul kumar , Daniel Lezcano , "linux-kernel@vger.kernel.org" , Stable , "Srikanth Krishnakar" , Cedric Hombourger , "x86@kernel.org" , Len Brown , Vipul Kumar Subject: RE: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC Thread-Topic: [v3] x86/tsc: Unset TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Bay Trail SoC Thread-Index: AQHV1rBGPy/8IrcoPUazhYLIIVdqQagBv6/g Date: Wed, 29 Jan 2020 15:14:05 +0000 Message-ID: References: <20200123144108.GU32742@smile.fi.intel.com> <87iml11ccf.fsf@nanos.tec.linutronix.de> <87ftg5131x.fsf@nanos.tec.linutronix.de> <30d49be8-67ad-6f32-37a8-0cdd26f0852e@redhat.com> <87sgjz434v.fsf@nanos.tec.linutronix.de> <20200129130350.GD32742@smile.fi.intel.com> <0d361322-87aa-af48-492c-e8c4983bb35b@redhat.com> <20200129141444.GE32742@smile.fi.intel.com> <91cdda7a-4194-ebe7-225d-854447b0436e@redhat.com> In-Reply-To: <91cdda7a-4194-ebe7-225d-854447b0436e@redhat.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-MC-Unique: Q3tD76DDPH-PeBm5aDekKg-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hans de Goede > Sent: 29 January 2020 14:28 ... > > Btw, why we are mentioning 20 / 6 and 28 / 6 when arithmetically > > it's the same as 10 / 3 and 14 / 3? > > I copied the BYT values from Thomas' email and I guess he did not > get around to simplifying them, I'll use the simplified versions > for my patch. If those multiplier/divider values came from either official docs or hardware registers I'd not simplify them. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)