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Mon, 16 Apr 2018 12:31:12 -0400 From: Sasha Levin To: Steven Rostedt CC: Pavel Machek , 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 , Jan Kara , 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: AQHTz5h7IvK2v80d0k6VVqDoPwJEM6P4GK8AgAnYKwCAAX5DAIAAHfKAgAADdYCAAAWWgIAABF0AgAACQQCAAAJjAIAAAleA Date: Mon, 16 Apr 2018 16:31:09 +0000 Message-ID: <20180416163107.GC2341@sasha-vm> References: <20180409001936.162706-15-alexander.levin@microsoft.com> <20180409082246.34hgp3ymkfqke3a4@pathway.suse.cz> <20180415144248.GP2341@sasha-vm> <20180416093058.6edca0bb@gandalf.local.home> <20180416153031.GA5039@amd> <20180416155031.GX2341@sasha-vm> <20180416160608.GA7071@amd> <20180416161412.GZ2341@sasha-vm> <20180416122244.146aec48@gandalf.local.home> In-Reply-To: <20180416122244.146aec48@gandalf.local.home> 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;DM5PR2101MB1031;7:buqyOXTlrJjUAYA6Z5JbDOF/eDBqm937GVnsCzTYOIJbjdZJRZJLqeBB6QWO5w1u77BzHLQ0JC1/R39D3PyPqJIbMvnlNu+0ezEoN+ORdaK0dTFWxExJFUAjetXY69UVRI27c8cOLOgiZfGodCJS5exhMWOEVQ95Ajjq8W/5ooN8NFWNyaubIO2YtQmSKBO33EgUZOwMu47RLelAxs8J5m8PiEkITThcaG9JQQX28GKllXvyOP82XKdf6uOpvspJ;20:Oc3KlSwh1ZhNy3H+a74PbWkdEWUoD1hTWkpEsFjAztVp2qUggqb9xaEIFxwcZRTufG88UpTT0pAdx0csBecYQPLN5PeCumd8o/BqY1N5g551Hwmd33iHIUdi7UrD0ZJRSGvEhcw7wMVNN4TlzV/9H5YyjF+9tHbeQVtiMjL9Itc= 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:DM5PR2101MB1031; x-ms-traffictypediagnostic: DM5PR2101MB1031: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(28532068793085)(89211679590171); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(61425038)(6040522)(2401047)(8121501046)(5005006)(3231232)(944501347)(52105095)(93006095)(93001095)(10201501046)(3002001)(6055026)(61426038)(61427038)(6041310)(20161123560045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123564045)(20161123558120)(20161123562045)(6072148)(201708071742011);SRVR:DM5PR2101MB1031;BCL:0;PCL:0;RULEID:;SRVR:DM5PR2101MB1031; x-forefront-prvs: 0644578634 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(7916004)(39860400002)(346002)(39380400002)(366004)(376002)(396003)(189003)(199004)(305945005)(10290500003)(33656002)(76176011)(478600001)(105586002)(25786009)(22452003)(54906003)(72206003)(316002)(26005)(86612001)(33716001)(446003)(11346002)(33896004)(93886005)(102836004)(476003)(6506007)(486006)(7416002)(5660300001)(2900100001)(10090500001)(66066001)(6436002)(81166006)(6916009)(6486002)(2906002)(229853002)(5250100002)(99286004)(68736007)(186003)(8936002)(81156014)(8676002)(97736004)(6512007)(3846002)(106356001)(9686003)(6116002)(1076002)(6246003)(3280700002)(4326008)(86362001)(3660700001)(7736002)(14454004)(53936002)(39060400002)(217873001);DIR:OUT;SFP:1102;SCL:1;SRVR:DM5PR2101MB1031;H:DM5PR2101MB1032.namprd21.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; x-microsoft-antispam-message-info: eVoR2GUw/F1rD/EXhdCay2PlQWy+oqzhqqHrBdBxm24N2azEmEN6xoC6zwjChIQJ7t1DxgPFd3IncmsvLgOyn/7H9BkPEss980LeowHfhaXtfW0bKJrRm2rC28HsqhoV/7yS3fyMZeBXKmzhKTFcpj7GXvUsnGBKpyhAC5IpBEBR54SdBSDa8koowAAUV4kQ spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-ID: <3D3EE2D0120A1F489CBC47A8BCC33396@namprd21.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Office365-Filtering-Correlation-Id: 935dfcf6-935a-4be5-902b-08d5a3b775d8 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 935dfcf6-935a-4be5-902b-08d5a3b775d8 X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Apr 2018 16:31:09.2821 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1031 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 Mon, Apr 16, 2018 at 12:22:44PM -0400, Steven Rostedt wrote: >On Mon, 16 Apr 2018 16:14:15 +0000 >Sasha Levin wrote: > >> Since the rate we're seeing now with AUTOSEL is similar to what we were >> seeing before AUTOSEL, what's the problem it's causing? > >Does that mean we just doubled the rate of regressions? That's the >problem. No, the rate stayed the same :) If before ~2% of stable commits were buggy, this is still the case with AUTOSEL. >> >> How do you know if a bug bothers someone? >> >> If a user is annoyed by a LED issue, is he expected to triage the bug, >> report it on LKML and patiently wait for the appropriate patch to be >> backported? > >Yes. I'm honestly not sure how to respond. Let me ask my wife (who is happy using Linux as a regular desktop user) how comfortable she would be with triaging kernel bugs...=