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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 4DE2FC28CC0 for ; Wed, 29 May 2019 11:21:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2A6D121670 for ; Wed, 29 May 2019 11:21:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726256AbfE2LVB (ORCPT ); Wed, 29 May 2019 07:21:01 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([146.101.78.151]:20192 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725894AbfE2LVA (ORCPT ); Wed, 29 May 2019 07:21:00 -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-175-n6S3TAExMKGEa1CSkKSjew-1; Wed, 29 May 2019 12:20:57 +0100 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 May 2019 12:20:56 +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; Wed, 29 May 2019 12:20:56 +0100 From: David Laight To: 'Dmitry Vyukov' , Peter Zijlstra CC: Marco Elver , Mark Rutland , Andrey Ryabinin , Alexander Potapenko , Andrey Konovalov , "Jonathan Corbet" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , the arch/x86 maintainers , Arnd Bergmann , Josh Poimboeuf , "open list:DOCUMENTATION" , LKML , linux-arch , kasan-dev Subject: RE: [PATCH 3/3] asm-generic, x86: Add bitops instrumentation for KASAN Thread-Topic: [PATCH 3/3] asm-generic, x86: Add bitops instrumentation for KASAN Thread-Index: AQHVFg1T4KMnNqJYZ0KJ/Gnew5X/QaaB8uxw Date: Wed, 29 May 2019 11:20:56 +0000 Message-ID: References: <20190528163258.260144-1-elver@google.com> <20190528163258.260144-3-elver@google.com> <20190528165036.GC28492@lakrids.cambridge.arm.com> <20190529100116.GM2623@hirez.programming.kicks-ass.net> <20190529103010.GP2623@hirez.programming.kicks-ass.net> In-Reply-To: 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: n6S3TAExMKGEa1CSkKSjew-1 X-Mimecast-Spam-Score: 0 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 RnJvbTogRG1pdHJ5IFZ5dWtvdg0KPiBTZW50OiAyOSBNYXkgMjAxOSAxMTo1Nw0KPiBPbiBXZWQs IE1heSAyOSwgMjAxOSBhdCAxMjozMCBQTSBQZXRlciBaaWpsc3RyYSA8cGV0ZXJ6QGluZnJhZGVh ZC5vcmc+IHdyb3RlOg0KPiA+DQo+ID4gT24gV2VkLCBNYXkgMjksIDIwMTkgYXQgMTI6MTY6MzFQ TSArMDIwMCwgTWFyY28gRWx2ZXIgd3JvdGU6DQo+ID4gPiBPbiBXZWQsIDI5IE1heSAyMDE5IGF0 IDEyOjAxLCBQZXRlciBaaWpsc3RyYSA8cGV0ZXJ6QGluZnJhZGVhZC5vcmc+IHdyb3RlOg0KPiA+ ID4gPg0KPiA+ID4gPiBPbiBXZWQsIE1heSAyOSwgMjAxOSBhdCAxMToyMDoxN0FNICswMjAwLCBN YXJjbyBFbHZlciB3cm90ZToNCj4gPiA+ID4gPiBGb3IgdGhlIGRlZmF1bHQsIHdlIGRlY2lkZWQg dG8gZXJyIG9uIHRoZSBjb25zZXJ2YXRpdmUgc2lkZSBmb3Igbm93LA0KPiA+ID4gPiA+IHNpbmNl IGl0IHNlZW1zIHRoYXQgZS5nLiB4ODYgb3BlcmF0ZXMgb25seSBvbiB0aGUgYnl0ZSB0aGUgYml0 IGlzIG9uLg0KPiA+ID4gPg0KPiA+ID4gPiBUaGlzIGlzIG5vdCBjb3JyZWN0LCBzZWUgZm9yIGlu c3RhbmNlIHNldF9iaXQoKToNCj4gPiA+ID4NCj4gPiA+ID4gc3RhdGljIF9fYWx3YXlzX2lubGlu ZSB2b2lkDQo+ID4gPiA+IHNldF9iaXQobG9uZyBuciwgdm9sYXRpbGUgdW5zaWduZWQgbG9uZyAq YWRkcikNCj4gPiA+ID4gew0KPiA+ID4gPiAgICAgICAgIGlmIChJU19JTU1FRElBVEUobnIpKSB7 DQo+ID4gPiA+ICAgICAgICAgICAgICAgICBhc20gdm9sYXRpbGUoTE9DS19QUkVGSVggIm9yYiAl MSwlMCINCj4gPiA+ID4gICAgICAgICAgICAgICAgICAgICAgICAgOiBDT05TVF9NQVNLX0FERFIo bnIsIGFkZHIpDQo+ID4gPiA+ICAgICAgICAgICAgICAgICAgICAgICAgIDogImlxIiAoKHU4KUNP TlNUX01BU0sobnIpKQ0KPiA+ID4gPiAgICAgICAgICAgICAgICAgICAgICAgICA6ICJtZW1vcnki KTsNCj4gPiA+ID4gICAgICAgICB9IGVsc2Ugew0KPiA+ID4gPiAgICAgICAgICAgICAgICAgYXNt IHZvbGF0aWxlKExPQ0tfUFJFRklYIF9fQVNNX1NJWkUoYnRzKSAiICUxLCUwIg0KPiA+ID4gPiAg ICAgICAgICAgICAgICAgICAgICAgICA6IDogUkxPTkdfQUREUihhZGRyKSwgIklyIiAobnIpIDog Im1lbW9yeSIpOw0KPiA+ID4gPiAgICAgICAgIH0NCj4gPiA+ID4gfQ0KPiA+ID4gPg0KPiA+ID4g PiBUaGF0IHJlc3VsdHMgaW46DQo+ID4gPiA+DQo+ID4gPiA+ICAgICAgICAgTE9DSyBCVFNRIG5y LCAoYWRkcikNCj4gPiA+ID4NCj4gPiA+ID4gd2hlbiBAbnIgaXMgbm90IGFuIGltbWVkaWF0ZS4N Cj4gPiA+DQo+ID4gPiBUaGFua3MgZm9yIHRoZSBjbGFyaWZpY2F0aW9uLiBHaXZlbiB0aGF0IGFy bTY0IGFscmVhZHkgaW5zdHJ1bWVudHMNCj4gPiA+IGJpdG9wcyBhY2Nlc3MgdG8gd2hvbGUgd29y ZHMsIGFuZCB4ODYgbWF5IGFsc28gZG8gc28gZm9yIHNvbWUgYml0b3BzLA0KPiA+ID4gaXQgc2Vl bXMgZmluZSB0byBpbnN0cnVtZW50IHdvcmQtc2l6ZWQgYWNjZXNzZXMgYnkgZGVmYXVsdC4gSXMg dGhhdA0KPiA+ID4gcmVhc29uYWJsZT8NCj4gPg0KPiA+IEVtaW5lbnRseSAtLSB0aGUgQVBJIGlz IGRlZmluZWQgc3VjaDsgZm9yIGJvbnVzIHBvaW50cyBLQVNBTiBzaG91bGQgYWxzbw0KPiA+IGRv IGFsaWdubWVudCBjaGVja3Mgb24gYXRvbWljIG9wcy4gRnV0dXJlIGhhcmR3YXJlIHdpbGwgI0FD IG9uIHVuYWxpZ25lZA0KPiA+IFsqXSBMT0NLIHByZWZpeCBpbnN0cnVjdGlvbnMuDQo+ID4NCj4g PiAoKikgbm90IGVudGlyZWx5IGFjY3VyYXRlLCBpdCB3aWxsIG9ubHkgdHJhcCB3aGVuIGNyb3Nz aW5nIGEgbGluZS4NCj4gPiAgICAgaHR0cHM6Ly9sa21sLmtlcm5lbC5vcmcvci8xNTU2MTM0Mzgy LTU4ODE0LTEtZ2l0LXNlbmQtZW1haWwtZmVuZ2h1YS55dUBpbnRlbC5jb20NCj4gDQo+IEludGVy ZXN0aW5nLiBEb2VzIGFuIGFkZHJlc3MgcGFzc2VkIHRvIGJpdG9wcyBhbHNvIHNob3VsZCBiZSBh bGlnbmVkLA0KPiBvciBhbGlnbm1lbnQgaXMgc3VwcG9zZWQgdG8gYmUgaGFuZGxlZCBieSBiaXRv cHMgdGhlbXNlbHZlcz8NCg0KVGhlIGJpdG9wcyBhcmUgZGVmaW5lZCBvbiAnbG9uZyBbXScgYW5k IGl0IGlzIGV4cGVjdGVkIHRvIGJlIGFsaWduZWQuDQpBbnkgY29kZSB0aGF0IGNhc3RzIHRoZSBh cmd1bWVudCBpcyBsaWtlbHkgdG8gYmUgYnJva2VuIG9uIGJpZy1lbmRpYW4uDQpJIGRpZCBhIHF1 aWNrIGdyZXAgYSBmZXcgd2Vla3MgYWdvIGFuZCBmb3VuZCBzb21lIHZlcnkgZHViaW91cyBjb2Rl Lg0KTm90IGFsbCB0aGUgY2FzdHMgc2VlbWVkIHRvIGJlIG9uIGNvZGUgdGhhdCB3YXMgTEUgb25s eSAoYWx0aG91Z2gNCkkgZGlkbid0IHRyeSB0byBmaW5kIG91dCB3aGF0IHRoZSBjYXN0cyB3ZXJl IGZyb20pLg0KDQpUaGUgYWxpZ25tZW50IHRyYXAgb24geDg2IGNvdWxkIGJlIGF2b2lkZWQgYnkg b25seSBldmVyIHJlcXVlc3RpbmcgMzJiaXQNCmN5Y2xlcyAtIGFuZCBhc3N1bWluZyB0aGUgYnVm ZmVyIGlzIGFsd2F5cyAzMmJpdCBhbGlnbmVkIChlZyBpbnQgW10pLg0KQnV0IG9uIEJFIHBhc3Np bmcgYW4gJ2ludCBbXScgaXMganVzdCBzbyB3cm9uZyAuLi4uDQoNCglEYXZpZA0KDQotDQpSZWdp c3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9u IEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo=