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=-0.8 required=3.0 tests=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 2BB03C04EBF for ; Mon, 23 Sep 2019 11:55:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 040BE207FD for ; Mon, 23 Sep 2019 11:55:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730235AbfIWLzW (ORCPT ); Mon, 23 Sep 2019 07:55:22 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([146.101.78.151]:47208 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729656AbfIWLzV (ORCPT ); Mon, 23 Sep 2019 07:55:21 -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-27-s_lDrj5TMTGaATnbftqtUA-1; Mon, 23 Sep 2019 12:55:18 +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; Mon, 23 Sep 2019 12:55:17 +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; Mon, 23 Sep 2019 12:55:17 +0100 From: David Laight To: 'Linus Torvalds' , "Theodore Y. Ts'o" CC: "Ahmed S. Darwish" , Lennart Poettering , "Eric W. Biederman" , "Alexander E. Patrakov" , Michael Kerrisk , lkml , "linux-ext4@vger.kernel.org" , "linux-man@vger.kernel.org" Subject: RE: [PATCH RFC v4 1/1] random: WARN on large getrandom() waits and introduce getrandom2() Thread-Topic: [PATCH RFC v4 1/1] random: WARN on large getrandom() waits and introduce getrandom2() Thread-Index: AQHVbyVve2HSE4CfFUa5FrGzj/69Mac5KmJw Date: Mon, 23 Sep 2019 11:55:17 +0000 Message-ID: <619e578cdfad4dca904eb9db9bf626c0@AcuMS.aculab.com> References: <20190912034421.GA2085@darwi-home-pc> <20190912082530.GA27365@mit.edu> <20190914122500.GA1425@darwi-home-pc> <008f17bc-102b-e762-a17c-e2766d48f515@gmail.com> <20190915052242.GG19710@mit.edu> <20190918211503.GA1808@darwi-home-pc> <20190918211713.GA2225@darwi-home-pc> <20190919143427.GQ6762@mit.edu> 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: s_lDrj5TMTGaATnbftqtUA-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 RnJvbTogTGludXMgVG9ydmFsZHMNCj4gU2VudDogMTkgU2VwdGVtYmVyIDIwMTkgMjE6MDQNCi4u Lg0KPiBOb3RlIHNtYWxsIGRldGFpbCBhYm92ZTogSSBjaGFuZ2VkIHRoZSBePSB0byBhICs9LiBB ZGRpdGlvbiB0ZW5kcyB0bw0KPiBiZSBiZXR0ZXIgKGR1ZSB0byBjYXJyeSBiZXR3ZWVuIGJpdHMp IHdoZW4gdGhlcmUgbWlnaHQgYmUgYml0DQo+IGNvbW1vbmFsaXRpZXMuICBQYXJ0aWN1bGFybHkg d2l0aCBzb21ldGhpbmcgbGlrZSBhIGN5Y2xlIGNvdW50IHdoZXJlDQo+IHR3byB4b3JzIGNhbiBt b3N0bHkgY2FuY2VsIG91dCBwcmV2aW91cyBiaXRzIHJhdGhlciB0aGFuIG1vdmUgYml0cw0KPiBh cm91bmQgaW4gdGhlIHdvcmQuDQoNClRoZXJlIGlzIGNvZGUgaW4gb25lIG9uIHRoZSBrZXJuZWwg Uk5HIHRoYXQgWE9ScyB0b2dldGhlciB0aGUgb3V0cHV0DQpvZiAzIExGU1IgKENSQykgZ2VuZXJh dG9ycy4NCkkgdGhpbmsgaXQgaXMgdXNlZCBmb3IgJ2xvdyBxdWFsaXR5JyByYW5kb21uZXNzIGFu ZCByZXNlZWRlZCBmcm9tIHRoZSBtYWluIFJORy4NClVzaW5nIFhPUiBtYWtlcyB0aGUgZW50aXJl IGdlbmVyYXRvciAnbGluZWFyJyBhbmQgdGh1cyB0cml2aWFsbHkgcmV2ZXJzaWJsZS4NCldpdGgg YSByZWxhdGl2ZWx5IHNtYWxsIG51bWJlciBvZiBjb25zZWN1dGl2ZSBvdXRwdXRzIHlvdSBjYW4g ZGV0ZXJtaW5lIHRoZSBzdGF0ZQ0Kb2YgYWxsIDMgTEZTUi4NCk1lcmdlIHRoZSByZXN1bHRzIHdp dGggYWRkaXRpb24gYW5kIHRoZSBwcm9jZXNzIGlzIGltbWVuc2VseSBoYXJkZXIuDQoNCkkndmUg YWxzbyB3b25kZXJlZCB3aGV0aGVyIHRoZSBSQzQgZ2VuZXJhdG9yIGlzIGEgdXNlZnVsIGVudHJv cHkgc3RvcmU/DQpJdCBoYXMgYSBsb3Qgb2Ygc3RhdGUgYW5kIHlvdSBjYW4gZmFpcmx5IGVhc2ls eSBmZWVkIGluIHZhbHVlcyB0aGF0IG1pZ2h0IChvcg0KbWlnaHQgbm90KSBjb250YWluIGFueSBy YW5kb21uZXNzIHdpdGhvdXQgbG9zaW5nIGFueSBzdG9yZWQgZW50cm9weS4NCg0KCURhdmlkDQoN Ci0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJt LCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChX YWxlcykNCg==