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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2765C433F5 for ; Sat, 8 Oct 2022 21:54:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229598AbiJHVyG (ORCPT ); Sat, 8 Oct 2022 17:54:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47006 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229379AbiJHVyF (ORCPT ); Sat, 8 Oct 2022 17:54:05 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5562A32B92 for ; Sat, 8 Oct 2022 14:54:03 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-322-B0KkuonxN4-iDxIJpOcDbw-1; Sat, 08 Oct 2022 22:53:36 +0100 X-MC-Unique: B0KkuonxN4-iDxIJpOcDbw-1 Received: from AcuMS.Aculab.com (10.202.163.6) by AcuMS.aculab.com (10.202.163.6) with Microsoft SMTP Server (TLS) id 15.0.1497.38; Sat, 8 Oct 2022 22:53:33 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.040; Sat, 8 Oct 2022 22:53:33 +0100 From: David Laight To: "'Jason A. Donenfeld'" , Kees Cook CC: Christophe Leroy , "linux-kernel@vger.kernel.org" , "patches@lists.linux.dev" , Andreas Noever , Andrew Morton , "Andy Shevchenko" , Borislav Petkov , Catalin Marinas , =?utf-8?B?Q2hyaXN0b3BoIELDtmhtd2FsZGVy?= , Christoph Hellwig , Daniel Borkmann , "Dave Airlie" , Dave Hansen , "David S . Miller" , Eric Dumazet , Florian Westphal , Greg Kroah-Hartman , "H . Peter Anvin" , "Heiko Carstens" , Helge Deller , Herbert Xu , Huacai Chen , "Hugh Dickins" , Jakub Kicinski , "James E . J . Bottomley" , Jan Kara , Jason Gunthorpe , Jens Axboe , Johannes Berg , Jonathan Corbet , "Jozsef Kadlecsik" , KP Singh , Marco Elver , Mauro Carvalho Chehab , "Michael Ellerman" , Pablo Neira Ayuso , "Paolo Abeni" , Peter Zijlstra , "Richard Weinberger" , Russell King , "Theodore Ts'o" , Thomas Bogendoerfer , "Thomas Gleixner" , Thomas Graf , Ulf Hansson , Vignesh Raghavendra , WANG Xuerui , Will Deacon , Yury Norov , "dri-devel@lists.freedesktop.org" , "kasan-dev@googlegroups.com" , "kernel-janitors@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-block@vger.kernel.org" , "linux-crypto@vger.kernel.org" , "linux-doc@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "linux-media@vger.kernel.org" , "linux-mips@vger.kernel.org" , "linux-mm@kvack.org" , "linux-mmc@vger.kernel.org" , "linux-mtd@lists.infradead.org" , "linux-nvme@lists.infradead.org" , "linux-parisc@vger.kernel.org" , "linux-rdma@vger.kernel.org" , "linux-s390@vger.kernel.org" , "linux-um@lists.infradead.org" , "linux-usb@vger.kernel.org" , "linux-wireless@vger.kernel.org" , "linuxppc-dev@lists.ozlabs.org" , "loongarch@lists.linux.dev" , "netdev@vger.kernel.org" , "sparclinux@vger.kernel.org" , "x86@kernel.org" , =?utf-8?B?VG9rZSBIw7hpbGFuZC1Kw7hyZ2Vuc2Vu?= , Chuck Lever , Jan Kara Subject: RE: [PATCH v3 3/5] treewide: use get_random_u32() when possible Thread-Topic: [PATCH v3 3/5] treewide: use get_random_u32() when possible Thread-Index: AQHY2nYZ0LDp17FxT0u8eu+L+6kCF64FCBzw Date: Sat, 8 Oct 2022 21:53:33 +0000 Message-ID: <69080fb8cace486db4e28e2e90f1d550@AcuMS.aculab.com> References: <20221006165346.73159-1-Jason@zx2c4.com> <20221006165346.73159-4-Jason@zx2c4.com> <848ed24c-13ef-6c38-fd13-639b33809194@csgroup.eu> <6396875c-146a-acf5-dd9e-7f93ba1b4bc3@csgroup.eu> <501b0fc3-6c67-657f-781e-25ee0283bc2e@csgroup.eu> <202210071010.52C672FA9@keescook> 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 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-rdma@vger.kernel.org RnJvbTogSmFzb24gQS4gRG9uZW5mZWxkDQo+IFNlbnQ6IDA3IE9jdG9iZXIgMjAyMiAxODo1Ng0K Li4uDQo+ID4gR2l2ZW4gdGhlc2Uga2luZHMgb2YgbGVzcyBtZWNoYW5pY2FsIGNoYW5nZXMsIGl0 IG1heSBtYWtlIHNlbnNlIHRvIHNwbGl0DQo+ID4gdGhlc2UgZnJvbSB0aGUgInRyaXZpYWwiIGNv bnZlcnNpb25zIGluIGEgdHJlZXdpZGUgcGF0Y2guIFRoZSBjaGFuY2Ugb2YNCj4gPiBuZWVkaW5n IGEgcmV2ZXJ0IGZyb20gdGhlIHNpbXBsZSAxOjEgY29udmVyc2lvbnMgaXMgbXVjaCBsb3dlciB0 aGFuIHRoZQ0KPiA+IG5lZWQgdG8gcmV2ZXJ0IGJ5LWhhbmQgY2hhbmdlcy4NCj4gPg0KPiA+IFRo ZSBDb2NjaSBzY3JpcHQgSSBzdWdnZXN0ZWQgaW4gbXkgdjEgcmV2aWV3IGdldHMgODAlIG9mIHRo ZSBmaXJzdA0KPiA+IHBhdGNoLCBmb3IgZXhhbXBsZS4NCj4gDQo+IEknbGwgc3BsaXQgdGhpbmdz IHVwIGludG8gYSBtZWNoYW5pY2FsIHN0ZXAgYW5kIGEgbm9uLW1lY2hhbmljYWwgc3RlcC4NCj4g R29vZCBpZGVhLg0KDQpJJ2QgYWxzbyBkbyBzb21ldGhpbmcgYWJvdXQgdGhlICdnZXRfcmFuZG9t X2ludCgpICYgMycgY2FzZXMuDQooaWUgcmVtYWluZGVyIGJ5IDJebi0xKQ0KVGhlc2UgY2FuIGJl IGNvbnZlcnRlZCB0byAnZ2V0X3JhbmRvbV91OCgpICYgMycgKGV0YykuDQpTbyB0aGV5IG9ubHkg bmVlZCBvbmUgcmFuZG9tIGJ5dGUgKG5vdCA0KSBhbmQgbm8gbXVsdGlwbHkuDQoNClBvc3NpYmx5 IHNvbWV0aGluZyBiYXNlZCBvbiAodGhlIHF1aWNrbHkgdHlwZWQsIGFuZCBub3QgQyk6DQojZGVm aW5lIGdldF9yYW5kb21fYmVsb3codmFsKSBbDQoJaWYgKGJ1aWx0aW5fY29uc3RhbnQodmFsKSkN CgkJQlVJTERfQlVHX09OKCF2YWwgfHwgdmFsID4gMHgxMDAwMDAwMDB1bGwpDQoJCWlmICghKHZh bCAmICh2YWwgLSAxKSkgew0KCQkJaWYgKHZhbCA8PSAweDEwMCkNCgkJCQlyZXR1cm4gZ2V0X3Jh bmRvbV91OCgpICYgKHZhbCAtIDEpOw0KCQkJaWYgKHZhbCA8PSAweDEwMDAwKQ0KCQkJCXJldHVy biBnZXRfcmFuZG9tX3UxNigpICYgKHZhbCAtIDEpOw0KCQkJcmV0dXJuIGdldF9yYW5kb21fdTMy KCkgJiAodmFsIC0gMSk7DQoJCX0NCgl9DQoJQlVJTERfQlVHX09OKHNpemVvZiAodmFsKSA+IDQp Ow0KCXJldHVybiAoKHU2NClnZXRfcmFuZG9tX3UzMigpICogdmFsKSA+PiAzMjsNCn0NCg0KZ2V0 X3JhbmRvbV9iZWxvdygpIGlzIGEgbXVjaCBiZXR0ZXIgbmFtZSB0aGFuIHByYW5kb21fdTMyX21h eCgpLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5 IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRp b24gTm86IDEzOTczODYgKFdhbGVzKQ0K