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x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfGn9UxmGy2FzLroxZpt813lqLLYnv04blhHx0s8HTrgHrXK5etY2TTWqn49Swz6a8hht49Iv4wOkuQeJp8my7Acnl0Ripnyb5I2KxNi8UqkrATEGIUyU rf8y0XPwl8Kqv3iSLM3IpppGq9JtirdOQZwhdflciumlhYe13D4BNYyic9j7TCgXSI0ciYCaIhBB/I1tgR+Vsa14SKtoeijLWtCso4afGZjmKetSzGYeUcyE X-CM-Analysis: v=2.3 cv=E8HjW5Vl c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=wRwT6uffUbIA:10 a=t_PdEiP4ckcA:10 a=F7qjIGpQ-GgA:10 a=kj9zAlcOel0A:10 a=xqWC_Br6kY4A:10 a=Kd1tUaAdevIA:10 a=Lf-vpJhqX20A:10 a=qqUoZokZANNlDEwOpfwA:9 a=CjuIK1q_8ugA:10 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752206AbeDQS3b (ORCPT ); Tue, 17 Apr 2018 14:29:31 -0400 Received: from mail-cys01nam02on0129.outbound.protection.outlook.com ([104.47.37.129]:11307 "EHLO NAM02-CY1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752086AbeDQS3a (ORCPT ); Tue, 17 Apr 2018 14:29:30 -0400 From: Sasha Levin To: Jan Kara CC: Pavel Machek , Steven Rostedt , Linus Torvalds , Petr Mladek , "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "akpm@linux-foundation.org" , "linux-mm@kvack.org" , Cong Wang , Dave Hansen , Johannes Weiner , Mel Gorman , Michal Hocko , Vlastimil Babka , Peter Zijlstra , Mathieu Desnoyers , Tetsuo Handa , Byungchul Park , Tejun Heo Subject: Re: [PATCH AUTOSEL for 4.14 015/161] printk: Add console owner and waiter logic to load balance console writes Thread-Topic: [PATCH AUTOSEL for 4.14 015/161] printk: Add console owner and waiter logic to load balance console writes Thread-Index: AQHTz5h7IvK2v80d0k6VVqDoPwJEM6P4GK8AgAnYKwCAAX5DAIAAHfKAgAAFIICAAAchAIAAAugAgAAB5YCAAAMcgIAAAh8AgAAH3gCAAATcgIABMtsAgAAewoCAACg7gIAABqKAgAAbegCAAAiHgA== Date: Tue, 17 Apr 2018 18:28:27 +0000 Message-ID: <20180417182825.GA2341@sasha-vm> References: <20180416161911.GA2341@sasha-vm> <20180416123019.4d235374@gandalf.local.home> <20180416163754.GD2341@sasha-vm> <20180416170604.GC11034@amd> <20180416172327.GK2341@sasha-vm> <20180417114144.ov27khlig5thqvyo@quack2.suse.cz> <20180417133149.GR2341@sasha-vm> <20180417155549.6lxmoiwnlwtwdgld@quack2.suse.cz> <20180417161933.GY2341@sasha-vm> <20180417175754.w4slhmwtf46hq3hm@quack2.suse.cz> In-Reply-To: <20180417175754.w4slhmwtf46hq3hm@quack2.suse.cz> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR2101MB1096;7:qG8b288mK46tLy2Kp5U9G1Ljk1BILZPc8Az1qQUSFcpYefEWAOjx967nrO8wd+BT5QpGNx/SGkA5r0XZAi3Dn1ldSnkUnznqso8xlUuWLcrUOiHPGgVFP2gnON8j5izWXyN2tQJweh60UN6DIroKpRm/NOGxo11c4+tFxqUyywIvIKJrqAq8qmN2Id6unv55BKg/jZaVofh+GazvC+FHJcIGzYnh1n2xOTipUWq1gSmGS4c51LQd0KIwneANhp9b;20:YR7DHRx3jVn4NXEpMW1iFKP0OOHDWs2snk/ds7jIOEiO6XewyOugEED3E2wUosYnTzrmws/QERO/m7jbNBOTk1nWnpKWNfvHyzMEWglv1sKd8MliP5EbGzSZdzwKZLM3k8z9YLugmE3V9g199jtazzVszLZvSw7NUUd67IjVQNs= x-ms-exchange-antispam-srfa-diagnostics: SOS; x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7193020);SRVR:DM5PR2101MB1096; x-ms-traffictypediagnostic: DM5PR2101MB1096: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(61425038)(6040522)(2401047)(5005006)(8121501046)(3231232)(944501361)(52105095)(10201501046)(3002001)(93006095)(93001095)(6055026)(61426038)(61427038)(6041310)(20161123564045)(20161123560045)(20161123558120)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123562045)(6072148)(201708071742011);SRVR:DM5PR2101MB1096;BCL:0;PCL:0;RULEID:;SRVR:DM5PR2101MB1096; x-forefront-prvs: 0645BEB7AA x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(7916004)(346002)(39380400002)(366004)(376002)(396003)(39860400002)(189003)(199004)(86362001)(305945005)(6512007)(3846002)(99286004)(10090500001)(10290500003)(9686003)(7736002)(6916009)(229853002)(3280700002)(72206003)(6116002)(8936002)(4326008)(7416002)(478600001)(476003)(14454004)(102836004)(86612001)(97736004)(5250100002)(39060400002)(486006)(6436002)(316002)(81156014)(25786009)(33656002)(54906003)(11346002)(5660300001)(6246003)(93886005)(6486002)(105586002)(68736007)(81166006)(66066001)(76176011)(106356001)(33896004)(33716001)(2906002)(3660700001)(6506007)(446003)(22452003)(1076002)(26005)(2900100001)(186003)(53936002)(8676002)(217873001);DIR:OUT;SFP:1102;SCL:1;SRVR:DM5PR2101MB1096;H:DM5PR2101MB1032.namprd21.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; x-microsoft-antispam-message-info: OrFzHz4O/0bbq4ixWLabqzaLUUkrJrHNwHzqhAcEa2+bxvIJx3fMaFjPi4O3+sMcH2aLd+b0P0pUiT2QPDYTcMFAe7zOCA6jZFldUOFFFOHyacn/Of+iGofvsHBi4ND7fqlKiwpVyGuiqKRYg/xO8SBDGSS7yW1NqzFM7wB+GYFNxKWQHNaqGEE17IzusTLj spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Office365-Filtering-Correlation-Id: 53f35f80-24ff-443c-a826-08d5a4910342 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 53f35f80-24ff-443c-a826-08d5a4910342 X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Apr 2018 18:28:27.3335 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1096 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Tue, Apr 17, 2018 at 07:57:54PM +0200, Jan Kara wrote: >Actually I was careful enough to include only commits that got merged as >part of the stable process into 4.14.x but got later reverted in 4.14.y. >That's where the 0.4% number came from. So I believe all of those cases >(13 in absolute numbers) were user visible regressions during the stable >process. I looked at them, and there are 2 things in play here: - Quite a few of those reverts are because of the PTI work. I'm not sure how we treat it, but yes - it skews statistics here. - 2 of them were reverts for device tree changes for a device that didn't exist in 4.14, and shouldn't have had any user visible changes.=