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Tue, 15 Apr 2025 21:35:31 +0000 Date: Tue, 15 Apr 2025 14:35:27 -0700 From: Alison Schofield To: Robert Richter CC: Vishal Verma , Ira Weiny , Dan Williams , Jonathan Cameron , Dave Jiang , "Davidlohr Bueso" , , , Gregory Price , "Fabio M. De Francesco" , Terry Bowman Subject: Re: [PATCH v4 12/14] cxl/region: Add a dev_err() on missing target list entries Message-ID: References: <20250306164448.3354845-1-rrichter@amd.com> <20250306164448.3354845-13-rrichter@amd.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20250306164448.3354845-13-rrichter@amd.com> X-ClientProxiedBy: MW4PR04CA0226.namprd04.prod.outlook.com (2603:10b6:303:87::21) To SA1PR11MB8794.namprd11.prod.outlook.com (2603:10b6:806:46a::5) Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA1PR11MB8794:EE_|CH0PR11MB5252:EE_ X-MS-Office365-Filtering-Correlation-Id: 9a38c0f2-1ca5-4605-d139-08dd7c657262 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|376014|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?Sk9JxKlu8Oa+7tlpOdEgOLx0yxofbmOVru/f+ABoDJj0RfwxwBaKM04vK79z?= =?us-ascii?Q?buEulUq/ZZ41yB3wj+3YAkb3jLh7uncf1WoQzAWHqt8tNZdhIdaKqF5hQiMl?= =?us-ascii?Q?yp8wDRLL1PRvIHLYiQQMNomyAtfRlxXoNpdA1inUzYUCRsllKMFH0XgblDeb?= =?us-ascii?Q?wdCqqrG53REtsuswsj/ZdzWbyq1yFspBDdZj0rW9HhzjOpSscs/sXWUpYN8K?= =?us-ascii?Q?3p2ZnMkU9l934ULKU/9dR9z3fmPHSOGhr6ccY7fN8P5ciJZU6tbAJkMkQWw0?= =?us-ascii?Q?C9EYLXJeENJcTaPAybnzZADA48PNxivwYH+CdGZl8fxgTjvPGml6LHHR0PGF?= =?us-ascii?Q?gclLqLaChXvQSL49UPu6fxfJgQWnv2hwjv85Rvey5vofebLkLmNibMtknmo1?= =?us-ascii?Q?rUVQc3X4e3AC83O4BYIi1vfP1m8W66uyYusWtCuP2M9TiS1jIKH0ES8ADUoA?= =?us-ascii?Q?tB3IiXptR/mSSK9I4qHYsJc6bUeXjAcYorkCswUglGWoKGvmvgXf9A5nqSU1?= =?us-ascii?Q?oQU6r+1zZAI+g9vKVQJZULrwNCzPrUpWwmq9mvAL4UJdU4wm5nGz6wYirb2O?= =?us-ascii?Q?wPTJAR6l8c2FfDrJVjruadScCASeLhrVEXdOh2cvDnQiFVHKGOdX4ldHjXVN?= =?us-ascii?Q?GSqrgOAg+9q+EMG3v7BjQYn4QCjZ20E7alVy3Nj9+vxyUOe1SVYXfIiletfe?= =?us-ascii?Q?k83oGGegoxyj7CJI27n2Vo78noicNVrgqsIJ228QUJK81/8M3OTpjblizOFa?= =?us-ascii?Q?C7Q9K8Um/pea0aHXCCDjSMtGamaWLrrYktixya4rdHJDWnNVysVIZHY9ztEU?= =?us-ascii?Q?6j2zRwSKq88a9jSHfgYAQKtk3s4k+QieJorMKEm0kUQI7jfDPaEdUoPrtlj3?= =?us-ascii?Q?70R6RXvpuqYbILbScJiHL/7oGs5edd5k/TzNiSoMEQctEwVwCJ7GxLf/WJLD?= =?us-ascii?Q?+5TyXK7gimsm4+CzYen/bidNVaUkrYl3h9KDAUh7jV/qmyInJOutbB/gBlHK?= =?us-ascii?Q?pjmL0KP03Y+jnyCAXkTSv0xrO9+PuB9SzSPIccbPUKU06IcsC6uHL4SpkyAb?= =?us-ascii?Q?fCjINrjUvjn6XT+NezUlY4aLJ+WS6AhG0+mUdl6uaXJ+dPGpgV4oIK2fE33s?= =?us-ascii?Q?gmzQ4D7JfYTIgZ/FY4wAdUsVU190zLFUwQeVDaRwXKSczJdKrU+eHdc9eJ3H?= =?us-ascii?Q?ZBc5zRUAYQWuAVDuYc/kv4efmkFlVLycD7U6U+ES995CCegJsM3y1OkgNaf7?= =?us-ascii?Q?98f7bnaNVxtaQaFeYkTGPJ/zlr95E/C3Pcf5CXDfQLxOzgNi5bObg8MIlhhh?= =?us-ascii?Q?JROvdGW4zdYe3ESe2KJhoCI4IGk9r4l1/VGCI3qXJ/37nbGmaGWhKCzin09T?= =?us-ascii?Q?BBwp9xULJzvUe9mIudqoQvTO7nbBCU4tkQBR26LlnOdYvcbyrTYMHXBvS3Db?= =?us-ascii?Q?OWwPIJGiyS0=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SA1PR11MB8794.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(376014)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?JvEsse+PmalZq7+gs3+MXRP8Qzh4pWIdyHh0cpjXI/fFx71x1IREmxQprHa5?= =?us-ascii?Q?6NQ1b9uAaboNnK0S/PTxC+D0NduNkaOmg0RRuTLft1t0KshPO1R1o9ykbWOw?= =?us-ascii?Q?EIkHlpDe+wF/cBxhfHcENmHcj2kkpK54b+NiWFVBpNglhdp4NjghXWQRxgHm?= =?us-ascii?Q?Oe1m4ylKmX/GEXKiAQATinWShKIvPnDAhhZpna3BhtfL0fnxlUx/9aH4jokg?= =?us-ascii?Q?YFdegILTiOde/kGBG2mpJmj/dUaMxdB+CoeH0OA2G73Qk6C3isEs5+iesOgM?= =?us-ascii?Q?8LzDY1IuJ4sCN22ylp2Rbre/Zm2hjZ7h+2VbrYJwmy+bPg1YQb3mRn7GjMfr?= =?us-ascii?Q?UkYEjJRsTY4+lxZaoJllbLSCxkz2XjYRVXCibzBC9FP7RwPrLbcGHKjsmbHg?= =?us-ascii?Q?I7010S1Te8CxAHN+TCryeVEsBd6/0uQ9CdDIgmApRn5VFeY8odwFI8tA6nqf?= =?us-ascii?Q?F4XB470z6jWGRTuy1maa3MfHOUWH9Ey5cS2tEvKGb7xOcmd5j+eXRCKQyrNT?= =?us-ascii?Q?jrEpkorQmnMPSyL94UcKEOk9MPujJQROZUYg8JVVQA5wd8m6ZLYX9V+q1OjZ?= =?us-ascii?Q?WhvhSGtNzx5sNBff+0CDIOs1Gh7fN5UrQChPYT3UtzLcoBo5Jqs9y8HRkaKc?= =?us-ascii?Q?gU0dlwujYqqQFVsBwPbVg4Vwe9mXA/2FlvMD6g39sNEjv9j/Qzi+vcj1YA5O?= =?us-ascii?Q?flS6FTgKJZutwRPwSN5rrVqf1SreBN1oeYBiRgr0oT2kx9w9z/X4cF8sH+nz?= =?us-ascii?Q?uDelL37dv1DgD6yvif4zvxxDgsoNMXz0cbo6JpTCYmTBrrS4AlGv3E8iY3cs?= =?us-ascii?Q?aPO2ZHlA5gRjb8DItbyHpgpNVbXUSo3T3YMLLTX0AJzfZwDM81s8pTUy18hJ?= =?us-ascii?Q?Y3oL5W22CZ7mkTjqgPUfm6CfI5wDXuTzgFaq8LtqFGR8Fago0H9wjj4QqYEi?= =?us-ascii?Q?fCZLRV92dmcnbrurBb+Fo/5ancLlTH5mUEvfVQrgSRe9HVufb7Rdr4yfngeT?= =?us-ascii?Q?kooUd9JTx9GSDWxftxy0iSb6cTJoHBZ3YhgySpjfytoNknB6iZiy+2u/uGMM?= =?us-ascii?Q?KtynlmPIpHKry05Oud9421qjc/3kgAILlOUozwVJsvWuDqkZrLCygy969H8f?= =?us-ascii?Q?Ovt2EgGwjzC2+VvhZivbsH6Aw7V4ocjG6179KmlK0bnDXhcJD5BEuTo4xJsP?= =?us-ascii?Q?EDm6GLtrTStGQJiv44J8xe7rvszhigPXAFq6bVxvTd4jMp+Xdl9TGbjDGUQ+?= =?us-ascii?Q?SpgMsxmmu+MPxarCnignBnT6OlFBG9LJi8my3F1hnIiUJkL9/xSsBjufvZNc?= =?us-ascii?Q?TeWmdFlSwY0RBo9rd+CX0ei3feTS/9TrA1st/h8kBfft5lH+YQbt0uolv4X5?= =?us-ascii?Q?Z3YREYtogDjY+4T2ztkDhdbaLX1ADhKqknZxbeAvsLgBSo32/fewNWZS/Bd4?= =?us-ascii?Q?cAFXLpkOzs3sw/RwevYO1OY4462zbMwFX1tqhm8MVIa01v3D/pDZZ//Re/dp?= =?us-ascii?Q?QBsDV+U1XwW2Ex6jKLNENlEbR4LgVAa4dipWFdKGe89PGfPsJm5D35gc0c4+?= =?us-ascii?Q?ZnFVg98389+FiPGNiiOXpMK50xF0ZOmhu6IK0bc2JVJ4qYLAxhgxmzsfc+MO?= =?us-ascii?Q?LQ=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 9a38c0f2-1ca5-4605-d139-08dd7c657262 X-MS-Exchange-CrossTenant-AuthSource: SA1PR11MB8794.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Apr 2025 21:35:31.0618 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: YskpHM1RFRMkuDqEXksyyI1ec6MZ53k5O9KOHPR6ex4lkuFoiMf24PltnN7jkhPH2dl4yxx/V72HwWzrIc/mHIrztHBfb6Vz2Ivkk8thWgE= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR11MB5252 X-OriginatorOrg: intel.com On Thu, Mar 06, 2025 at 05:44:46PM +0100, Robert Richter wrote: > Broken target lists are hard to discover as the driver fails at a > later initialization stage. Add an error message for this. > > Example log messages: > > cxl_mem mem1: failed to find endpoint6:0000:e0:01.3 in target list of decoder1.1 > cxl_port endpoint6: failed to register decoder6.0: -6 > cxl_port endpoint6: probe: 0 > > Signed-off-by: Robert Richter > Reviewed-by: Gregory Price > Reviewed-by: Jonathan Cameron > Reviewed-by: Dave Jiang > Tested-by: Gregory Price > --- Reviewed-by: Alison Schofield