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Donenfeld" , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthew Wilcox , Peter Zijlstra , Ingo Molnar , Will Deacon , Boqun Feng , Waiman Long , Dennis Zhou , Tejun Heo , Christoph Lameter , "Paul E. McKenney" , Frederic Weisbecker , Neeraj Upadhyay , Joel Fernandes , Josh Triplett , Uladzislau Rezki , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , Zqiang , Onur =?iso-8859-1?Q?=D6zkan?= , Kees Cook , Joel Granados , Anna-Maria Behnsen , Thomas Gleixner , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Valentin Schneider , K Prateek Nayak , Mike Rapoport , "Liam R. Howlett" , Lorenzo Stoakes , Vlastimil Babka , Jann Horn , Pedro Falcato , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , Eugenio =?iso-8859-1?Q?P=E9rez?= , Sebastian Andrzej Siewior , Clark Williams , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, wireguard@lists.zx2c4.com, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, rcu@vger.kernel.org, virtualization@lists.linux.dev, linux-rt-devel@lists.linux.dev, llvm@lists.linux.dev, Yury Norov Subject: Re: [PATCH 00/17] Treewide: enforce static storage for object initializers Message-ID: References: <20260915030336.1192299-1-ynorov@nvidia.com> <20260914231418.b15ec01f7225cf460f6e515a@linux-foundation.org> <20260915102401.3c56aa95@pumpkin> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260915102401.3c56aa95@pumpkin> X-ClientProxiedBy: LV3P220CA0016.NAMP220.PROD.OUTLOOK.COM (2603:10b6:408:234::32) To LV3PR12MB9356.namprd12.prod.outlook.com (2603:10b6:408:20c::21) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV3PR12MB9356:EE_|CH3PR12MB8329:EE_ X-MS-Office365-Filtering-Correlation-Id: 96645693-18de-43b5-1df4-08df13418132 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|23010399003|1800799024|7416014|376014|10067099003|6133799003|18002099003|22082099003|4143699003|56012099006|11063799006; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?4OFgHVTW8HAL8iD3NNGVIKY6JppEMbxl8qtf4EYb6qhyOWuhn+LWbG1vTehz?= =?us-ascii?Q?Y/CK2tjNc0sXtu7Tvpc4C1S1WSmENYCkRzloS53zF4AJd/qNih8r55pafUNn?= =?us-ascii?Q?6AHi2/4wbprvnZCk6ireeqVY9v+YFSnTq6XhGdXeR5mtegrRyYfQaes4L/KX?= =?us-ascii?Q?IgihDqM0Wg8tCc7lS0MaMorClUeSQE1KDusBJJylC3+wgMhmqN3FdwuwnEMe?= =?us-ascii?Q?HJcj8+INyJcwneNu3sbtUmaFwZ4vBEjwDnp24u/h2zcgaA3BmJxNnLawrlyY?= =?us-ascii?Q?B4RecEybkxf1jWnooyUo3NEx7oHcdxfZDCSZg6boItTmlZJkgHAPtAo12Iar?= =?us-ascii?Q?6CftdUZ8Pt7bXs4rGh5ZuGaPc8AyCIm1NuIPUmZHmLbT/cDqzSH2km9a8KzE?= =?us-ascii?Q?p7hJgcq97gdVxh4DORSDz5m+p3sGYVFsvUKLDTrFxoKF5FXkwQzD3RNVe5NS?= =?us-ascii?Q?W67J4eSYJi/2oJf2tD3UmFefEq2wRl9+tyknv5R6DclTqeiJ+qTBQxjoGXd5?= =?us-ascii?Q?cwotGdP3CCEys1mR/9eKQcQdFHvNnj/ahTrM2zbfUfeu7iIo+9z7dFnCYHzy?= =?us-ascii?Q?Pfg+SHCdE3vu1jT23szVOjjsdnxb8yWZM/+Bqf7R7hrAeeGXsgzld7xqa+I0?= =?us-ascii?Q?Zl7ymI59DsjI1QbaHqh+MFARWNpgKtkkYdQHzD3BBceE3u2Zbbk5Ao+mVLT+?= =?us-ascii?Q?kGtow3S5L2KaI6B4+0zqJ0j3WhF8hHY4YErhej+l6SgrlkLmVOOuvHv0+hEF?= =?us-ascii?Q?8pVLxI9bp5bHZDaepRbHq6jcCjTW01yw+3BUndh5OJn+5bylWApJ+OBhNIi4?= =?us-ascii?Q?MaCJKmnh1ed9yfurltKdH68p3k0Zu7p5yyNCiAJoFkZ+jy3rwm8sk3ZAxhOJ?= =?us-ascii?Q?lT2ngdpu/aAkaJZomsiR+7L+I61Pxnmu+DS9cI0LT8EH7hCmFTz1lLgYm5v8?= =?us-ascii?Q?zhC9rgZ4Ieub9wjrXoMVuxX+9LsngHuViFTy5r8Lmtqi8wHCtKolGmbqy0uJ?= =?us-ascii?Q?HpmDH0XayFHZCiRZjPjhtl9XG32qgD0YJ/3x/1mG/OLcY0z46OelIBfZvIdI?= =?us-ascii?Q?ffZqdsCu3faqBWR9UpSGLHS0SGMA4MHOKgx7D7wGezffPiXjo0+wquUZbvK1?= =?us-ascii?Q?lhowiaEe+G2z7989dHevm2uE1yBxlSh8A+Cn3T9zqjj26K1vd8C2Je9JU08x?= =?us-ascii?Q?SHjJgxOpZrB1aj4hJC0mVj6Sgo0vXTbn7KEXFT0WQ74Ccw8FoxyDAmon8yz5?= =?us-ascii?Q?iIKar//b0xusBbOPu0mdg8Zx5OjQ/pGj2+qLocoSYQ49nxKVwtjbK/RsP9eT?= =?us-ascii?Q?RpFg8oYOH188PWJkD1eJq5cTNrld9ObVA25LhuM+cxj+5LpSJMRnv98uzJW6?= =?us-ascii?Q?bo8p/Swhf0+pN8I3eTbjJ1fyGvSe6YOY0wiaJrSxl8PYYvEfiYNCGU7pawwo?= =?us-ascii?Q?9teQYf/I2PjYUnxXOkc1gs/sa4N5NZMLuGbq8+hkqwZUGwpCFca81uOS6rT0?= =?us-ascii?Q?q9gNOEidBZx+DxRg9cHeVAxYWpnWJ2n1fnDXj4Y0AHLP2lGDoEAaDGfz522q?= =?us-ascii?Q?Xi6Hmv4amhJoPn4+hqKIwvpLCPddKy1mWdWlzE4tvdCS2xNTnogXm5frJosq?= =?us-ascii?Q?5l8V0kBc+opmFBvmEmyAN7zauZpy1HAmu9sUDbBU0ddN/3ug03/ll55hRAP9?= =?us-ascii?Q?nWP3ELw2jzBD05LlpPTkkkknAQ9JIq7rBVM2mFgNXkCjppM1215ExISy5MBH?= =?us-ascii?Q?0saeDTI2Ow=3D=3D?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 96645693-18de-43b5-1df4-08df13418132 X-MS-Exchange-CrossTenant-AuthSource: LV3PR12MB9356.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Sep 2026 15:53:37.3269 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: wOOEBUdiMPdo94hOTsWhrIBDwu1Hv5iXG48S7cL29VtakwzKnY1EzNnlDRkstcRcwqi9nwUlVC04YX1RhggatA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB8329 On Tue, Sep 15, 2026 at 10:24:01AM +0100, David Laight wrote: > On Mon, 14 Sep 2026 23:14:18 -0700 > Andrew Morton wrote: > > > On Mon, 14 Sep 2026 23:03:18 -0400 Yury Norov wrote: > > > > > Declaration macros that statically initialize embedded locks require static > > > storage when lockdep is enabled. Automatic objects must use runtime > > > initialization so lockdep receives a persistent class key. > > > > > > For automatic local objects, lockdep cannot use the lock address as a persistent > > > class key and reports "INFO: trying to register non-static key" before disabling > > > itself. > > > > So why haven't we been buried in reports about this warning coming out? I have no answer. Maybe because lockdep isn't enabled by major distros... The original report came from i386 randconfig. It looks like a combination of some luck and a new code, probably attracting more robots attention. > Are there any code changes outside of testing? ams_pmu_set/get_register in patch #6 for example.