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 E2315C433E9 for ; Tue, 2 Feb 2021 14:28:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A1CCF64EAC for ; Tue, 2 Feb 2021 14:28:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234462AbhBBO2E (ORCPT ); Tue, 2 Feb 2021 09:28:04 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:58846 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234326AbhBBO02 (ORCPT ); Tue, 2 Feb 2021 09:26:28 -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-274-flNrt4sAPICkZEemnUm5Og-1; Tue, 02 Feb 2021 14:24:34 +0000 X-MC-Unique: flNrt4sAPICkZEemnUm5Og-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; Tue, 2 Feb 2021 14:24:32 +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; Tue, 2 Feb 2021 14:24:32 +0000 From: David Laight To: 'Josh Poimboeuf' , Nick Desaulniers CC: Julien Thierry , Ard Biesheuvel , Mark Brown , Catalin Marinas , Kees Cook , Linux ARM , linux-efi , "linux-hardening@vger.kernel.org" , LKML , "Mark Rutland" , Masahiro Yamada , Michal Marek , Peter Zijlstra , "raphael.gault@arm.com" , Will Deacon , clang-built-linux , Bill Wendling Subject: RE: [RFC PATCH 12/17] gcc-plugins: objtool: Add plugin to detect switch table on arm64 Thread-Topic: [RFC PATCH 12/17] gcc-plugins: objtool: Add plugin to detect switch table on arm64 Thread-Index: AQHW+Pb1TwqrTbfiDUONrIh7m3kiG6pE6I/Q Date: Tue, 2 Feb 2021 14:24:32 +0000 Message-ID: <7c14b5b8b11241cd8271ba5b3f785c51@AcuMS.aculab.com> References: <20210120173800.1660730-13-jthierry@redhat.com> <20210127221557.1119744-1-ndesaulniers@google.com> <20210127232651.rj3mo7c2oqh4ytsr@treble> <20210201214423.dhsma73k7ccscovm@treble> <20210202000203.rk7lh5mx4aflgkwr@treble> In-Reply-To: <20210202000203.rk7lh5mx4aflgkwr@treble> 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-efi@vger.kernel.org U3RpcnJpbmcgbW9yZSBnb29wIGludG8gdGhlIGhvbGUgLi4uLg0KDQpSZXF1aXJpbmcgZ2NjLXBs dWdpbnMsIG1hdGNoaW5nIGNvbXBpbGVyIHZlcnNpb25zIGFuZCB0aGUNCnNhbWUgJ2R3YXJmJyBm b3JtYXQgZm9yIE9PVCBtb2R1bGVzIGlzIHByb2JhYmx5IHZlcnkgcGFpbmZ1bC4NCg0KSW4gbWFu eSBjYXNlcyAoYW5kIHRoaXMgbWF5IGluY2x1ZGUgZHJpdmVycyByZWxlYXNlZCBieSBzb21lDQpk aXN0cmlidXRpb25zKSBhbiBPT1QgZHJpdmVyIGhhcyB0d28gc2VwYXJhdGUgcGFydHMuDQoNCk9u ZSBwYXJ0IGlzIEMgc291cmNlIHRoYXQgaXMgY29tcGlsZWQgd2hlbiB0aGUgbW9kdWxlIGlzIGJ1 aWx0DQpvbiB0aGUgdGFyZ2V0IHN5c3RlbSBhbmQgYWdhaW5zdCB0aGUgaW5zdGFsbGVkIGtlcm5l bCBoZWFkZXJzLg0KR2V0dGluZyB0aGlzIHRvIG1hdGNoICdqdXN0JyByZWxpZXMgb24gaGF2aW5n IHRoZSBjb3JyZWN0DQpjb21waWxlciAoZXRjKSBpbnN0YWxsZWQgYW5kIGluICRQQVRILg0KDQpU aGUgc2Vjb25kIHBhcnQgaXMgbXVjaCBtb3JlIHByb2JsZW1hdGljLg0KVGhpcyBpcyBqdXN0IGFu IG9iamVjdCBmaWxlIGNvbXBpbGVkIGJ5IGEgdGhpcmQgcGFydHkuDQpJdCBkb2Vzbid0IGRpcmVj dGx5IGRlcGVuZCBvbiBhbnl0aGluZyBkZWZpbmVkIGluIHRoZQ0Ka2VybmVsIGhlYWRlcnMgLSBz byBjYW4gKGN1cnJlbnRseSkgYmUgbGlua2VkIGludG8gYW55DQprZXJuZWwgdmVyc2lvbi4NCg0K SW4gdGhlIHBhc3Qgc29tZSBncmFwaGljcyBkcml2ZXJzIGhhdmUgaGFkIGEgdGhpcmQgcGFydHkN Cm9iamVjdCBmaWxlLg0KSSB0aGluayBzb21lIG9mIHRoZSBsYXB0b3Agd2lmaSBkcml2ZXJzIG1p Z2h0IGFzIHdlbGwuDQoNCk5vdyBJIHNvbWUgcGVvcGxlIHRoaW5rIGV2ZXJ5dGhpbmcgc2hvdWxk IGJlIGZyZWUgc291cmNlLg0KQnV0IHRoZXJlIGFyZSB2YXJpb3VzIGNvbW1lcmNpYWwgYW5kIHBy YWN0aWNhbCByZWFzb25zDQpmb3IgYm90aCBPT1QgZHJpdmVycyBhbmQgb2JqZWN0IGZpbGUgJ2Js b2JzJyBpbiBPT1QgZHJpdmVycy4NCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBM YWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBU LCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==