Received: by 2002:ac0:a594:0:0:0:0:0 with SMTP id m20-v6csp3942728imm; Thu, 17 May 2018 18:28:46 -0700 (PDT) X-Google-Smtp-Source: AB8JxZqlK5Yt3KQBLwLe+WzkzXNSgMhGMAdvc1+EW7kWwMu5D1XibBIK/qnWRsNtOuzXM8txwOby X-Received: by 2002:a63:65c4:: with SMTP id z187-v6mr5675921pgb.180.1526606926124; Thu, 17 May 2018 18:28:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1526606926; cv=none; d=google.com; s=arc-20160816; b=pDdNpaMjTAyUE9W7f6WbxIRA4Li0NNl4d8YPqhr5NwVp9in8OR/TFjdSGXSJDsHK/b 6wbZMpipP/ixx6BV8PgXn9VAfw+u5u5QxxN8C9BkKIW8uFR8yLL0fWvvDha4KVU9FHqh kZNdLfSjCbpakrcMTmZIW4lLfDEyQUhYK20dBAJzUtz1sSGQE+Asjnjc+oj1M5ZiDTuD 5XC1NHg0gf1kj2vi+7xkV3O8g7JNGiiMNvA65wHVC1e13t0DPjoFdQ5woreSeD2GKoAT ruinpSXEkp8UBiyFYUKiBQMY2Uoa97JURdXCh+wg9nqcAE5tl9yJeRJFVuKre+eKTGOa xhPw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-id:spamdiagnosticmetadata:spamdiagnosticoutput :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:cc:to:from:dkim-signature :arc-authentication-results; bh=OU3WwfExgBsteCEU70Y119YwkqEx0OJqynDbintdDTg=; b=uIlX72D8JXSFTh4YgoO/bsUyphYZ6OjVvVJ87sqSi4+wKcOJzBMiihj24kfEP+x5Ex YzyfYti0Nm5WthpPZaP/9GDbl6FfNx9+YbCKrONPZ/y5gPvPAI1nrTUmbfZ83tmzyyzb s/ybnmepvUwZOC1G0IXCdsF87l3FoGHFndFVBx8+qQYJZjBkwVBMwKnkvxSKKhuuEwOx rVDNDVN79jXj6OL9sDQCSjjGpbN3VJ7gicEThwTiWt0abVBHq6OYDW8F2/MmxX9WHV8Y z+mc7A/oymOjqxR4D2POeXFcutIhxCbGV+Rp5i8sq0y0VoEIV7kh/hIZE2Lc9F3RtJy0 2afg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@impinj.com header.s=selector1 header.b=LPBE9GAM; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=REJECT dis=NONE) header.from=impinj.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id c10-v6si6318878pla.127.2018.05.17.18.28.31; Thu, 17 May 2018 18:28:46 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@impinj.com header.s=selector1 header.b=LPBE9GAM; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=REJECT dis=NONE) header.from=impinj.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752202AbeERB1F (ORCPT + 99 others); Thu, 17 May 2018 21:27:05 -0400 Received: from mail-co1nam03on0105.outbound.protection.outlook.com ([104.47.40.105]:12258 "EHLO NAM03-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751839AbeERB1E (ORCPT ); Thu, 17 May 2018 21:27:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=impinj.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=OU3WwfExgBsteCEU70Y119YwkqEx0OJqynDbintdDTg=; b=LPBE9GAMBbjgNdiHNrWTt12yFz1iV0FlfFu+Vv3V+cK7zJrwJDiQQDGf4Yvh1VTUgR1H8Oa/Orpkg1FF9o+xw4ORWVrX/uaU9O2JogyZ196czLrioSNnLjNB3romU9o+hysbdxktGhDAX0B+NqK+F/D2RQDH0LvT0D4TWC36aGI= Received: from MWHPR0601MB3708.namprd06.prod.outlook.com (10.167.236.38) by MWHPR0601MB3723.namprd06.prod.outlook.com (10.167.236.140) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.776.11; Fri, 18 May 2018 01:27:03 +0000 Received: from MWHPR0601MB3708.namprd06.prod.outlook.com ([fe80::5559:9fbf:bd40:733c]) by MWHPR0601MB3708.namprd06.prod.outlook.com ([fe80::5559:9fbf:bd40:733c%13]) with mapi id 15.20.0776.010; Fri, 18 May 2018 01:27:03 +0000 From: Trent Piepho To: "sultanxda@gmail.com" , "tytso@MIT.EDU" CC: "jannh@google.com" , "linux-kernel@vger.kernel.org" Subject: Re: Linux messages full of `random: get_random_u32 called from` Thread-Topic: Linux messages full of `random: get_random_u32 called from` Thread-Index: AQHT7kdToFVQBFTDwEKKqlsN6SNLmg== Date: Fri, 18 May 2018 01:27:03 +0000 Message-ID: <1526606822.30073.64.camel@impinj.com> References: <20180427201036.GL5965@thunk.org> In-Reply-To: <20180427201036.GL5965@thunk.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=tpiepho@impinj.com; x-originating-ip: [216.207.205.253] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;MWHPR0601MB3723;7:Kg2uaW+ZhX9dgueVp7A81YK+XSoEjqpFYl+pBp9sSAjibV4ZDf2MvHTb5zXyocKU4dk98Fzk+SAa9t1/e8E+h+9HAHe3qnGw+bVpZKco47WgpKTAocKzzgnzFLErFKMbPoGPfyegKey72fPb2rYIPc+dVSCkDrpqiyKvX1f5djGhPCEVDOLYVCcTritToXvcnU90gpZmW75GxWZnU1AYe+V+FiWnJeF2qg+BRYVdNn8qzMFC9AOi2Ckb2nMgAV9f x-ms-exchange-antispam-srfa-diagnostics: SOS; x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(5600026)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7153060)(7193020);SRVR:MWHPR0601MB3723; x-ms-traffictypediagnostic: MWHPR0601MB3723: x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(6040522)(2401047)(8121501046)(5005006)(10201501046)(93006095)(93001095)(3002001)(3231254)(944501410)(52105095)(149027)(150027)(6041310)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123558120)(20161123564045)(20161123562045)(20161123560045)(6072148)(201708071742011)(7699016);SRVR:MWHPR0601MB3723;BCL:0;PCL:0;RULEID:;SRVR:MWHPR0601MB3723; x-forefront-prvs: 0676F530A9 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(376002)(39380400002)(39850400004)(346002)(396003)(366004)(377424004)(189003)(199004)(103116003)(6436002)(8936002)(3280700002)(6486002)(2906002)(316002)(6116002)(105586002)(15650500001)(14454004)(3846002)(66066001)(5660300001)(106356001)(7736002)(54906003)(53936002)(2900100001)(86362001)(110136005)(68736007)(102836004)(2171002)(6246003)(5250100002)(229853002)(8676002)(478600001)(2616005)(486006)(551544002)(26005)(25786009)(6506007)(2501003)(6512007)(99286004)(4326008)(36756003)(305945005)(3660700001)(476003)(76176011)(59450400001)(186003)(97736004)(446003)(39060400002)(81156014)(81166006)(11346002)(81973001);DIR:OUT;SFP:1102;SCL:1;SRVR:MWHPR0601MB3723;H:MWHPR0601MB3708.namprd06.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: impinj.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: z8Dd/r3dUuvMcO4tegCYOf6ZwrdR2qhar/s+z7+6WV5BzDeHu0gEuwFyn54j1By/YhR38KOZ7BzH5t6Ng3ZNgqJnM4z42U0pDZWcv/B3V0cRIeeQxScy/zgsF/3ATz9m3qu+FJj4IF82znb7BeXx06yDT//BFAVUfY6RMNe8SQn7qDhwLUxJpZdmk8M7Z2w5 spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-ID: <2EB99662EB35B443A510FA156852A4EE@namprd06.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Office365-Filtering-Correlation-Id: 6f68de5a-f1c6-44f5-08b2-08d5bc5e75c2 X-OriginatorOrg: impinj.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6f68de5a-f1c6-44f5-08b2-08d5bc5e75c2 X-MS-Exchange-CrossTenant-originalarrivaltime: 18 May 2018 01:27:03.0766 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 6de70f0f-7357-4529-a415-d8cbb7e93e5e X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR0601MB3723 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org U2luY2UgSSB3YXNuJ3Qgb24gdGhpcyB0aHJlYWQgZnJvbSB0aGUgc3RhcnQsIEkgY2FuIG9ubHkg ZmluZCBhIHdheSB0bw0KcmVwbHkgdG8gbWVzc2FnZSBpbiBtYm94IGZvcm1hdCBvbiBwYXRjaHdv cmssIGFuZCB0aGlzIHNlZW1lZCB0aGUgYmVzdC4NCg0KT24gRnJpLCAyMDE4LTA0LTI3IGF0IDE2 OjEwIC0wNDAwLCBUaGVvZG9yZSBUc28gd3JvdGU6DQo+IA0KPiANCj4gVGhpcyBpcyB3aHkgdWx0 aW1hdGVseSwgd2UgZG8gbmVlZCB0byBhdHRhY2sgdGhpcyBwcm9ibGVtIGZyb20gYm90aA0KPiBl bmRzLCB3aGljaCBtZWFucyB0ZWFjaGluZyB1c2Vyc3BhY2UgcHJvZ3JhbXMgdG8gb25seSByZXF1 ZXN0DQo+IGNyeXB0b2dyYXBoaWMtZ3JhZGUgcmFuZG9tbmVzcyB3aGVuIGl0IGlzIHJlYWxseSBu ZWVkZWQgLS0tIGFuZCBtb3N0DQo+IG9mIHRoZSB0aW1lLCBpZiB0aGUgdXNlciBoYXMgbm90IGxv Z2dlZCBpbiB5ZXQsIHlvdSBwcm9iYWJseSBkb24ndA0KPiBuZWVkIGNyeXB0b2dyYXBoaWMtZ3Jh ZGUgcmFuZG9tbmVzcy4uLi4NCg0KSSd2ZSBoaXQgdGhpcyBvbiBhbiBlbWJlZGRlZCBzeXN0ZW0u ICBta2UyZnMgaGFuZ3MgdHJ5aW5nIHRvIGZvcm1hdCBhDQpwZXJzaXN0ZW50IHdyaXRhYmxlIGZp bGVzeXN0ZW0sIHdoaWNoIGlzIHdoZXJlIHRoZSByYW5kb20gc2VlZCB0bw0KaW5pdGlhbGl6ZSB0 aGUga2VybmVsIGVudHJvcHkgcG9vbCB3b3VsZCBiZSBzdG9yZWQsIGJlY2F1c2UgaXQgd2FudHMg MTYNCmJ5dGVzIG9mIG5vbi1jcnlwdG9ncmFwaGljIHJhbmRvbSBkYXRhIGZvciBhIGZpbGVzeXN0 ZW0gVVVJRCwgYW5kIHV0aWwtDQpsaW51eCBsaWJ1dWlkIGNhbGxzIGdldHJhbmRvbSgxNiwgMCkg LSBubyBHUk5EX1JBTkRPTSBmbGFnIC0gYW5kIHRoaXMNCmhhbmdzIGZvciBvdmVyIGZvdXIgbWlu dXRlcy4NCg0KU29tZSB0aGluZ3MgSSd2ZSBzZWVuIGhlcmUgZG9uJ3Qgd29yayBpbiB0aGUgZW1i ZWRkZWQgd29ybGQuDQoNClRoZSB1c2VyIHdpbGwgbm90IGxvZyBpbi4gIE5vIG9uZSBsb2dzIGlu LiAgVGhlcmUgYXJlIG5vdCBldmVuIHVzZXINCmFjY291bnRzIHdpdGggYSB2YWxpZCBwYXNzd29y ZCB0aGF0IGNvdWxkIGxvZyBpbi4NCg0KVGhlIHN0b3JhZ2UgY29tZXMgcHJlLXdyaXR0ZW4gd2l0 aCBhIHN0YXRpYyBpbWFnZSBmcm9tIHRoZSBtYW51ZmFjdHVyZXINCm9yIGlzIHByb2dyYW1tZWQg ZnJvbSBhIHN0YXRpYyBpbWFnZSB2aWEgSlRBRyBvciBzb21lIG90aGVyIG91dCBvZiBiYW5kDQpz dGVwLiAgSXQgY2Fubm90IGJlIGRpZmZlcmVudCBmcm9tIGRldmljZSB0byBkZXZpY2Ugd2hlbiBp dCBmaXJzdA0KYm9vdHMuICBObyBzYXZlZCBlbnRyb3B5Lg0KDQpUaGUgYm9vdGxvYWRlciBnZXRz IGVudHJvcHkgZnJvbSB3cml0YWJsZSBzdG9yYWdlIHRvIGdpdmUgdG8gdGhlDQprZXJuZWw/ICBD YW4ndCBkbyB0aGF0LiAgVGhlIGJvb3Rsb2FkZXIgaGFzIG5vIGFjY2VzcyB0byB3cml0YWJsZQ0K c3RvcmFnZS4NCg0KSSB1bmRlcnN0YW5kIHRoYXQgaWYgc29tZW9uZSB3YW50cyBjcnlwdG9ncmFw aGljLWdyYWRlIHJhbmRvbW5lc3MgZWFybHkNCmluIGJvb3Qgd2hlbiB0aGF0IGp1c3QgaXNuJ3Qg YXZhaWxhYmxlIGFuZCBpc24ndCBnb2luZyB0byBiZSBhdmFpbGFibGUsDQp0aGVuIHRoYXQgaXNu J3QgZ29pbmcgdG8gaGFwcGVuIGFuZCBseWluZyB0byB0aGUgY29uc3VtZXIgYWJvdXQgdGhlDQpy YW5kb21uZXNzIG9mIHRoZSBkYXRhIGlzbid0IHRoZSBhbnN3ZXIuDQoNCkJ1dCBJIGp1c3Qgd2Fu dCBVVUlEcyBmb3IgYSBmaWxlc3lzdGVtLiAgQW5kIHRoZSBzeXN0ZW1kIG1hY2hpbmVpZCBmb3IN CnRoZSBqb3VybmFsIGZpbGUuICBJdCBzZWVtcyB0aGUgdXRpbC1saW51eCBhdXRob3JzIHRob3Vn aHQsIGFwcGFyZW50bHkNCmluY29ycmVjdGx5LCB0aGF0IGdldHJhbmRvbSgpIHdpdGhvdXQgR1JO RF9SQU5ET00gd2FzIGEgZ29vZCB3YXkgdG8gZG8NCmdldCBpdC4NCg0KV2hhdCBpcyB0aGUgcmln aHQgd2F5PyAgVGhlIGZhY3QgdGhhdCBzbyBtYW55IHVzZXJzcGFjZSBjb25zdW1lcnMgZ2V0DQpp dCB3cm9uZyBtaWdodCBiZSBhIHNpZ24gdGhhdCB0aGlzIGlzIGxhY2tpbmcgb3IgYXQgbGVhc3Qg dmVyeSBub24tDQpvYnZpb3VzLg0KDQpJIHdhbnQgcmFuZG9tIGRhdGEgYW5kIEkgd2FudCBpdCBu b3cuICBJdCdzIG9rIGlmIGl0J3MgbG93IGVudHJvcHkuIA0KVGhpcyBzZWVtcyB0byBiZSBhIHZl cnkgcmVhbCwgYW5kIHVuYXZvaWRhYmxlLCB0aGluZyBpbiBlYXJseSBib290LiANCkFuZCBjcm5n X2luaXQgPT0gMSBzZWVtcyB0byBiZSB0aGUgaW50ZW5kZWQgd2F5IHRvIGRvIHRoaXMuICBXaGF0 J3MgdGhlDQp3YXkgdG8gZ2V0IHJhbmRvbSBkYXRhIG9mIGNybmdfaW5pdD09MSBxdWFsaXR5IHdp dGhvdXQgYmxvY2tpbmc/DQoNCg==