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Mon, 16 Apr 2018 12:19:17 -0400 From: Sasha Levin To: Steven Rostedt CC: 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 , 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: AQHTz5h7IvK2v80d0k6VVqDoPwJEM6P4GK8AgAnYKwCAAX5DAIAAHfKAgAAFIICAAAchAIAAAugAgAAB5YA= Date: Mon, 16 Apr 2018 16:19:14 +0000 Message-ID: <20180416161911.GA2341@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> <20180416113629.2474ae74@gandalf.local.home> <20180416160200.GY2341@sasha-vm> <20180416121224.2138b806@gandalf.local.home> In-Reply-To: <20180416121224.2138b806@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;DM5PR2101MB0983;7:wEUpt89hXqYgYtgdCieDWHw9KoclvzgbtPaGYk4TCea53O1oLAb9E4kkGdymtYfA76S50G5IamXCP+ZqiaEnSohrNbTN1oRkDrArqT93k1RvDZ25FncL9G8PHOc03/ODb+XBWjWQ8RWpRF7LdSdVf8dfVoO559OZYesFJe0Vt0iAFLvNUSFWnmUWDdauakl1A8RAN6GxiLs+yF1BgtK9izBlkh+Wf3LOpjtG1ZpxUhSQaekgAbjUD8v+1TE20qmX;20:hRXB4I1/0jJ8wp/cqSuKLTXqSQPeFIyjJib8doIhDTJTzexXzjaviTgVHQorKL60YpfJ8U/rGeZvk0iu2WUc6+gYzOt/ef20Of70XrjckHu6vBO3IO+dIjZhKSj/pDBrkkSVY3M5CQLEWf8IkObYhRc9Z47/NATC6YezSVQLZ1U= x-ms-exchange-antispam-srfa-diagnostics: SOS; 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x-microsoft-antispam-message-info: gay74AjbAldG1EKPfBri77kdPndFxcpauv0dJsY3z0FnVcGOgc0hq71GVvq87ZOPHEXBIDHMd97bnkJezzOl5hJ51IbkOS86jYTybp3fxxTiYuvyiPmYsuKGXayYdH4Wc/dUgXe7TcYvSNsBjf8VoEONwDZCMDVg7kS2vVL2uzEBtUZD2W+t0KFQs47eZfSd 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: dc21e5aa-97c7-43fb-d9f1-08d5a3b5cbd6 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: dc21e5aa-97c7-43fb-d9f1-08d5a3b5cbd6 X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Apr 2018 16:19:14.5185 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB0983 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 12:12:24PM -0400, Steven Rostedt wrote: >On Mon, 16 Apr 2018 16:02:03 +0000 >Sasha Levin wrote: > >> One of the things Greg is pushing strongly for is "bug compatibility": >> we want the kernel to behave the same way between mainline and stable. >> If the code is broken, it should be broken in the same way. > >Wait! What does that mean? What's the purpose of stable if it is as >broken as mainline? This just means that if there is a fix that went in mainline, and the fix is broken somehow, we'd rather take the broken fix than not. In this scenario, *something* will be broken, it's just a matter of what. We'd rather have the same thing broken between mainline and stable.=