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Mon, 16 Apr 2018 11:39:08 -0400 From: Sasha Levin To: Linus Torvalds CC: Steven Rostedt , 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 , Pavel Machek 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: AQHTz5h7IvK2v80d0k6VVqDoPwJEM6P4GK8AgAnYKwCAAX5DAIAAHfKAgAAF1gA= Date: Mon, 16 Apr 2018 15:39:04 +0000 Message-ID: <20180416153902.GW2341@sasha-vm> References: <20180409001936.162706-1-alexander.levin@microsoft.com> <20180409001936.162706-15-alexander.levin@microsoft.com> <20180409082246.34hgp3ymkfqke3a4@pathway.suse.cz> <20180415144248.GP2341@sasha-vm> <20180416093058.6edca0bb@gandalf.local.home> In-Reply-To: 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;DM5PR2101MB1062;7:q41MAdJ+lWTPHHF1ldINFlHU3whP0NuO2Rqxqt+2IGudYUmHsb6M8DbjOSfiBoB6gcnRz47aU0FmurwdQAIt8AqI0oPsAznW/icQa36Uz0jjhPJPUZuQqLTLWVcZCzE7TUkVacf0Lh6GbNUQn4j4lhw6TYAJxhaigWPjkoVfIOSQJ7rUhObHGDy5JLf+Bfxh5EpOR6OTzT4iDF+2z4o4aEXioFZo/x9Hb8roPXsQmGXXOOn8rBCTucni4mhuSM3w;20:gc3/67AGBYGdOWTG2nXF+G2h0CJfuCrXvDzLplJ6OygivyyfGUT8fSZ+UljkCoD7cO7AaPNEdvLy0fLlFfmaoR6MvxKMdm0ptkwXOxzu4Gaw8tWfKR0ntOQHVTihXW+qTGbP6BdHsJl5WvxRp2n1R5SJztyxEFxQARtkSnLLsT4= 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:DM5PR2101MB1062; x-ms-traffictypediagnostic: DM5PR2101MB1062: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(271806183753584); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(61425038)(6040522)(2401047)(8121501046)(5005006)(10201501046)(3002001)(3231232)(944501347)(52105095)(93006095)(93001095)(6055026)(61426038)(61427038)(6041310)(20161123562045)(20161123558120)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123560045)(20161123564045)(6072148)(201708071742011);SRVR:DM5PR2101MB1062;BCL:0;PCL:0;RULEID:;SRVR:DM5PR2101MB1062; x-forefront-prvs: 0644578634 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(7916004)(396003)(376002)(39380400002)(366004)(346002)(39860400002)(54094003)(199004)(189003)(9686003)(6512007)(1076002)(10090500001)(3846002)(6116002)(6246003)(66066001)(72206003)(39060400002)(53936002)(33716001)(2900100001)(8676002)(76176011)(11346002)(305945005)(2906002)(105586002)(446003)(25786009)(186003)(26005)(7736002)(81156014)(4326008)(33896004)(102836004)(97736004)(478600001)(10290500003)(14454004)(106356001)(316002)(6916009)(54906003)(22452003)(7416002)(486006)(6506007)(6436002)(229853002)(33656002)(3660700001)(81166006)(6486002)(5250100002)(5660300001)(86612001)(476003)(99286004)(93886005)(86362001)(68736007)(3280700002)(8936002)(217873001);DIR:OUT;SFP:1102;SCL:1;SRVR:DM5PR2101MB1062;H:DM5PR2101MB1032.namprd21.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; x-microsoft-antispam-message-info: UuwoSBSrFVx+XfOmNx/7IVameMbY0ozn2iH/UvN/811RO4GqlxF5xnKQGge/LhwFXiy0kzSVNIkt2IVw6w8791yGq9UmfMcpDKKdpHKE65Bfh0Z/gsMU1H2jmFhTqW9grlv8IIcFOkj7jtRN4dawKU/LrVsEPAEjzU11glkd44M5tzcYW7TREjWjlVAM4fLD spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-ID: <6232387AC99B4C40BAA80F3AC774256D@namprd21.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Office365-Filtering-Correlation-Id: 4787f0c4-f0a1-4386-554e-08d5a3b02f97 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4787f0c4-f0a1-4386-554e-08d5a3b02f97 X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Apr 2018 15:39:04.8980 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1062 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 08:18:09AM -0700, Linus Torvalds wrote: >On Mon, Apr 16, 2018 at 6:30 AM, Steven Rostedt wrot= e: >> >> I wonder if the "AUTOSEL" patches should at least have an "ack-by" from >> someone before they are pulled in. Otherwise there may be some subtle >> issues that can find their way into stable releases. > >I don't know about anybody else, but I get so many of the patch-bot >patches for stable etc that I will *not* reply to normal cases. Only >if there's some issue with a patch will I reply. > >I probably do get more than most, but still - requiring active >participation for the steady flow of normal stable patches is almost >pointless. > >Just look at the subject line of this thread. The numbers are so big >that you almost need exponential notation for them. > > Linus I would be more than happy to make this an opt-in process on my end, but given the responses I've been seeing from folks so far I doubt it'll work for many people. Humans don't scale :) There are a few statistics that suggest that the current workflow is "good enough": 1. The rejection rate (commits fixed or reverted) for AUTOSEL commits is similar (actually smaller) than commits tagged for -stable. 2. Human response rate on review requests is higher than the rate Greg is getting with his review mails. This is somewhat expected, but it shows that people do what Linus does and reply just when they see something wrong. I also think that using mailing lists for these is bringing up the limitations of mailing lists. It's hard to go through the amount of patches AUTOSEL is generating this way, but right now we don't have a better alternative.=