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Mon, 16 Apr 2018 14:35:48 -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 , Greg KH 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: AQHTz5h7IvK2v80d0k6VVqDoPwJEM6P4GK8AgAnYKwCAAX5DAIAAHfKAgAADdYCAAAWWgIAABF0AgAAD94CAAAIigIAAA1WAgAAA7ICAAALHgIAABJsAgAAGo4CAAAKVAIAADGCAgAACdgA= Date: Mon, 16 Apr 2018 18:35:44 +0000 Message-ID: <20180416183542.GN2341@sasha-vm> References: <20180416160608.GA7071@amd> <20180416122019.1c175925@gandalf.local.home> <20180416162757.GB2341@sasha-vm> <20180416163952.GA8740@amd> <20180416164310.GF2341@sasha-vm> <20180416125307.0c4f6f28@gandalf.local.home> <20180416170936.GI2341@sasha-vm> <20180416133321.40a166a4@gandalf.local.home> <20180416174236.GL2341@sasha-vm> <20180416142653.0f017647@gandalf.local.home> In-Reply-To: <20180416142653.0f017647@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;DM5PR2101MB1128;7:O6NClnmYqsKB2cLncAU/yGrSyqKNEUdh35QphY1DNIvLe2L86ykvPldZYWNz9U/e6kfk4WiO4C4WloEpGkcECawOkxEs7RW5Bt3QeM3lWKKP1Afkghwknl6Gwa68S+TN4ao8tamSItF6GfLgu7K00RX3juRCqJIJO3YDDGci5yr9d37beDI/in+psA/dWgy+08+Rlu4jWonwKC5DrfQMmdZTugFW4zriRlRJlhsKgnSdETn+XimqhHElG11HWpr2;20:QJ+4zx8KAqKrloOCIT8Rhjk9e6FExMwdCYn4u3+0Ovv3Ou8U+GPMW2pcsdsFpXqbDK2+L9EXbgJ975q5SWKw1GC8iYGgLoY9/eyTACUzfOMbsjtms7oIM7FqguWRUxe4ffaMqmJl5+VhI7MDZNMrQ9IUwhQLaBxd0Hol6cezDAo= x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(4534165)(4627221)(201703031133081)(201702281549075)(5600026)(2017052603328)(7193020);SRVR:DM5PR2101MB1128; 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x-microsoft-antispam-message-info: /TIDYhxsbBe28yyH7L8wnTPgqlVTkpJVO11NoNnpvAZwmqNr7l5QoLlS4UvuX1uHD1UP37SqF+oUQVcSi9GQxNPH3k4kxy27VFzzHzDCRT4l3XeV0NHeC5jOD4UKLTQN84M3dLxue+afcQlIBdg+2EpVqCA0XEpNw/7C5JxtUUbDKXcc0RUdVy5rkrAVTOGH 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: 04a4fde5-94e2-49d2-59b7-08d5a3c8dd9f X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 04a4fde5-94e2-49d2-59b7-08d5a3c8dd9f X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Apr 2018 18:35:44.7336 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1128 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 02:26:53PM -0400, Steven Rostedt wrote: >On Mon, 16 Apr 2018 17:42:38 +0000 >Sasha Levin wrote: >> Also note that all of these patches were tagged for stable and actually >> ended up in at least one tree. >> >> This is why I'm basing a lot of my decision making on the rejection rate= . >> If the AUTOSEL process does the job well enough as the "regular" >> process did before, why push it back? > >Because I think we are adding too many patches to stable. And >automating it may just make things worse. Your examples above back my >argument more than they refute it. If people can't determine what is >"obviously correct" how is automation going to do any better? I don't understand that statament, it sounds illogical to me. If I were to tell you that I have a crack team of 10 kernel hackers who dig through all mainline commits to find commits that should be backported to stable, and they do it with less mistakes than authors/maintainers make when they tag their own commits, would I get the same level of objection? On the correctness side, I have another effort to improve the quality of testing -stable commits get, but this is somewhat unrelated to the whole automatic selection process.=