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=-3.8 required=3.0 tests=BAYES_00, 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 9DEBFC433E1 for ; Sun, 23 Aug 2020 13:31:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 836DC20724 for ; Sun, 23 Aug 2020 13:31:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726752AbgHWNbK (ORCPT ); Sun, 23 Aug 2020 09:31:10 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:39116 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725884AbgHWNbI (ORCPT ); Sun, 23 Aug 2020 09:31:08 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-110-qqfqCzmdNDSN-PnAlo1h6w-1; Sun, 23 Aug 2020 14:31:04 +0100 X-MC-Unique: qqfqCzmdNDSN-PnAlo1h6w-1 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; Sun, 23 Aug 2020 14:31:03 +0100 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; Sun, 23 Aug 2020 14:31:03 +0100 From: David Laight To: 'Arvind Sankar' , Miguel Ojeda CC: Sedat Dilek , Segher Boessenkool , Thomas Gleixner , "Nick Desaulniers" , "Paul E. McKenney" , Ingo Molnar , Arnd Bergmann , Borislav Petkov , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , "H. Peter Anvin" , "Kirill A. Shutemov" , Zhenzhong Duan , Kees Cook , "Peter Zijlstra" , Juergen Gross , "Andy Lutomirski" , Andrew Cooper , LKML , clang-built-linux , Will Deacon , "Linus Torvalds" Subject: RE: [PATCH] x86: work around clang IAS bug referencing __force_order Thread-Topic: [PATCH] x86: work around clang IAS bug referencing __force_order Thread-Index: AQHWeMmchmXotIF5Tka9hwpvbqXx2alFrjuQ Date: Sun, 23 Aug 2020 13:31:03 +0000 Message-ID: References: <20200820130641.GA536306@rani.riverdale.lan> <87zh6ohm03.fsf@nanos.tec.linutronix.de> <20200821230435.GA56974@rani.riverdale.lan> <87eenzqzmr.fsf@nanos.tec.linutronix.de> <20200822035552.GA104886@rani.riverdale.lan> <20200822084133.GL28786@gate.crashing.org> <20200822211705.GA1382515@rani.riverdale.lan> In-Reply-To: <20200822211705.GA1382515@rani.riverdale.lan> 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 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogQXJ2aW5kIFNhbmthcg0KPiBTZW50OiAyMiBBdWd1c3QgMjAyMCAyMjoxNw0KLi4uDQo+ IEFzc3VtaW5nIHdlIGRvbid0IHdhbnQgdG8gcmlzayByZW1vdmluZyBmb3JjZV9vcmRlciwgSSdk IHN1Z2dlc3QNCj4gLSBtYWtlIGl0IGFuIGlucHV0L291dHB1dCBvcGVyYW5kLCBzbyBpdCBlbmZv cmNlcyBvcmRlcmluZyBmdWxseS4NCj4gLSBlaXRoZXIgcmVzdHJpY3QgaXQgdG8gZ2NjIDwgOCwg b3IganVzdCBwcm92aWRlIGEgcHJvcGVyIGRlZmluaXRpb24gaW4NCj4gICBzb21lIGZpbGUgKG1h eWJlIGFyY2gveDg2L2tlcm5lbC9jcHUvY29tbW9uLmMpPw0KDQpJcyBpdCBwb3NzaWJsZSB0byBy ZXBsYWNlIF9fZm9yY2Vfb3JkZXIgd2l0aCBhIHN5bWJvbCB0aGF0IHRoZQ0KbGlua2VyIHNjcmlw dHMgZGVmaW5lcz8NCk9yIGp1c3QgZGVmaW5lIF9fZm9yY2Vfb3JkZXIgaW4gdGhlIGxpbmtlciBz Y3JpcHQgdG8gc29tZQ0KJ3JhbmRvbScgY29uc3RhbnQgKGVnIDApLg0KDQpJU1RNIHRoYXQgYWRk aW5nICJtIihfX2ZvcmNlX29yZGVyKSB0byBhc20gdm9sYXRpbGUgY2FuIGRvIG5vIGhhcm0uDQpF c3BlY2lhbGx5IGZvciBhY2Nlc3NlcyB0byBDUm4gYW5kIE1TUm4gKGV0Yykgd2hpY2ggbWlnaHQg aGF2ZSBvYnNjdXJlDQpzaWRlIGVmZmVjdHMuDQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVkIEFk ZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5lcywg TUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo=