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 B06BEC433DF for ; Fri, 16 Oct 2020 08:24:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5F66F20878 for ; Fri, 16 Oct 2020 08:24:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390709AbgJPIYo (ORCPT ); Fri, 16 Oct 2020 04:24:44 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.86.151]:31779 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390417AbgJPIYn (ORCPT ); Fri, 16 Oct 2020 04:24:43 -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-273-i6wHZgkwOuCyd54uBSAOqg-1; Fri, 16 Oct 2020 09:24:39 +0100 X-MC-Unique: i6wHZgkwOuCyd54uBSAOqg-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; Fri, 16 Oct 2020 09:24:38 +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; Fri, 16 Oct 2020 09:24:38 +0100 From: David Laight To: 'Ian Rogers' , "hpa@zytor.com" CC: Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86 , "Peter Zijlstra (Intel)" , Masami Hiramatsu , "Josh Poimboeuf" , LKML , "Adrian Hunter" , Arnaldo Carvalho de Melo , Numfor Mbiziwo-Tiapo Subject: RE: [PATCH v2] x86/insn, tools/x86: Fix some potential undefined behavior. Thread-Topic: [PATCH v2] x86/insn, tools/x86: Fix some potential undefined behavior. Thread-Index: AQHWozzR0vhHSt8IyUOTNiEuTh8IJamZ40Kw Date: Fri, 16 Oct 2020 08:24:38 +0000 Message-ID: <699073ad09bf4882861003a5da6d6b3c@AcuMS.aculab.com> References: <20201015161216.1563600-1-irogers@google.com> <5E711F64-A9BF-48EC-83A3-3C644D80F848@zytor.com> In-Reply-To: Accept-Language: en-GB, 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 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogSWFuIFJvZ2Vycw0KPiBTZW50OiAxNSBPY3RvYmVyIDIwMjAgMjI6NDcNCi4uLg0KPiBU aGUgZGVjb2RlciBpcyBhIHNoYXJlZCBjb2RlIGFuZCB1c2luZyB1bmFsaWduZWQgbWFjcm9zIG1h a2VzIGxpZmUNCj4gaGFyZCBmb3IgdGhlIG90aGVyIHVzZXJzIG9mIHRoZSBjb2RlLiBNZW1jcHkg aXMgdGhlICJzdGFuZGFyZCINCj4gd29ya2Fyb3VuZCBmb3IgdGhpcyBraW5kIG9mIHVuZGVmaW5l ZCBiZWhhdmlvci4NCj4gaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvbGttbC9lNDI2OWNiMi1kOGU2 LWRhMjYtNmFmZC1hOWRmNzJkNGJlMzZAaW50ZWwuY29tLw0KDQpZb3UgY2FuJ3QgYWx3YXlzIHVz ZSBtZW1jcHkoKSB0byBjb3B5IHVuYWxpZ25lZCBkYXRhLg0KSWYgdGhlIGNvbXBpbGVyIGNhbiBm aW5kIGFueSByZWFzb24gd2h5IHRoZSBtaXNhbGlnbmVkIGFkZHJlc3MNCnNob3VsZCBiZSBhbGln bmVkIChlZyBiZWNhdXNlIGl0J3MgdHlwZSBwcmlvciB0byBzb21lIGNhc3RzDQpyZXF1aXJlcyBh bGlnbm1lbnQpIGl0IHdpbGwgdXNlIHdvcmQtc2l6ZWQgYWNjZXNzZXMgdGhhdCB3aWxsIGZhdWx0 Lg0KDQpOb3cgaW4gdGhpcyBzcGVjaWZpYyBjb2RlIHRoZSBwb2ludGVycyBhcmUgcHJvYmFibHkg YWxsICdjaGFyIConDQpzbyBoYXZlIGFsaWdubWVudCAxIC0gc28gbWVtY3B5KCkgd2lsbCBEVFJU Lg0KDQpCdXQgaXQgbWF5IGdlbmVyYXRlIGFuIGV4cGVuc2l2ZSBmdW5jdGlvbiBjYWxsLg0KDQpU aGVyZSBhcmUgJ3JlYWQgdW5hbGlnbmVkIDMyYml0JyAoZXRjKSBtYWNyb3Mgb3V0IHRoZXJlLg0K DQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQs IE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86 IDEzOTczODYgKFdhbGVzKQ0K