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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?ukN/pi0h7srzeNKq0wkGsUr92HYlg9DDe50oz6xybN3i/98QM/LwEi7rrvYy?= =?us-ascii?Q?7yAEXKdTscmGOzy6Lf1nJ31R3tkiAzsE2hGetaGHXe0f2P1+qCUyF6pgKV3C?= =?us-ascii?Q?qNKXSScyRPBVBfBJakxTrz8iC8D0GPniL6CFY9fSqdXASKPb6UUkkakUIaIo?= =?us-ascii?Q?zMEU/GDQPSf5Lq36Sg24hKdvk8E2FN4NQxLEeE0r2dfRcfMKd47ZOYRTzlkO?= =?us-ascii?Q?bkLeBOJiUeq8emFv2B7erhLv5T44qDUpOdbsEkzcjo0uL+ejoPblHsx5QMfB?= =?us-ascii?Q?c6Lrbo8ZDP0bl0EjHBn+vBeBlrOOxmQIjaJeXMgTFcW9Q0bazuX5zvyGFMHN?= =?us-ascii?Q?MUDs6TPzRnk5B+rbSw+aE7iuY9Nr9dbMl96Kf5DwCJekf0CnsAqDdsUtqOax?= =?us-ascii?Q?5oSo3iKEXprYMY4KuySOlpV+WNOq0FjvHHy1Z/s3mJ1+rj3KPWVEj8wK6Mhm?= =?us-ascii?Q?g6tHcDaFo1HPkZIMkHQ58RmjCd94okgQ5jryPzY0NTGtOApB9og7Fs0FBZFT?= =?us-ascii?Q?gUJTc5eZD4uEBShy9MwhJ1dXFuEbfDwTTVxtIrVby1PifPOTLO9xGsrQt6xV?= =?us-ascii?Q?HN95i1OBpQWNi3KwZjqSEu7zaGJOEKCmw4k3HvrAlTR/F/hVXjcCMFPOken6?= =?us-ascii?Q?X+nG/CgPmqYz8rb9GJ/GVZ10igLi+JIvtDQGzgDtInkbsEGZh/jQ1CKF6uLw?= =?us-ascii?Q?v1mOYqfs43JD5YXH6uQMDH2tGVGhl3OmuFN8MwUgP9vku5wsg3PrJc6Wt6im?= =?us-ascii?Q?8FEs1JUIDKhBbNp1GxjAPx6UgnaiyTeswuVMnJ4T8+4C706LejHb7xBz014R?= =?us-ascii?Q?QgZvO8nS2etaouhbxlDcVck0bc7l1+lpit5Wu+h/a6AJOEtkBmWoVMbFNMSC?= =?us-ascii?Q?PwBr2EOZbWCu/JuvSFnqaooqDuufpmIBU5UgVFIxER40gxQFD7qwGY2x6f6v?= =?us-ascii?Q?SVtsZCONXJwh4ONCzi7fhmqLFvD2151l1oUsbeayFAC9s/yjJGADN0sReQdH?= =?us-ascii?Q?FHloDXFhTPzvsaOxjdnMdo9U+pGZJCRUR0ZC6tLGpYismlckIu6uGbYFw4+U?= =?us-ascii?Q?a09CWERNv2yVL57K/BjgnRszpkC4F2pCRlxblpsot8P4TmDPgxQBsGopWo6m?= =?us-ascii?Q?p9uBzUHxaG7o7ro4mq1QCL4u3EC7mcIcPjB7qabSNNVPm1efR1REcLyhtffd?= =?us-ascii?Q?sJXckYy4+2twpG5wSav1U5weokccVR3pYc9zyAFNM7yDQOfiZf23C+ge3auc?= =?us-ascii?Q?dmkS6o8hax8D/+7bgqoQGwH9MZX6kPL+7933Smiwjp16GFDUNQSJybgOCdol?= =?us-ascii?Q?+blRXJDoVQZIIZVpdwyaC/jCDA8fV95prvjjb4XlsNCLXMWlQZemmuQLAAGe?= =?us-ascii?Q?GqkYJTQkNeWfs9wziuR0x15TEMbknR6/UejEJ6Zgnv7mMTYO/WzgBSaGLmak?= =?us-ascii?Q?o1AE7Rz0tBhNKySxBOrt5zxgZOOXVCFLuFwYVzmeVgkOxkjwHapSDTpqXbnJ?= =?us-ascii?Q?sg6CdHEGoJLhR17OslTttUY7OtaLCdgl9dtJye9oie9b7bAFkgzdPyH8TdWO?= =?us-ascii?Q?zTlPrvGJjN//f78bx5WHeFFAAKhajfZmvJyKS1Ao?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: c3e6556f-3510-4506-e1ba-08ddc083cf63 X-MS-Exchange-CrossTenant-AuthSource: CH3PR12MB8659.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Jul 2025 14:04:11.0962 (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: Zhl6JabSqzxTY4s9krrG/Zee4GDBWlytSoMGDhAmJr/1QhuOt5dDQr9yyTWB72Rd X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB7840 On Fri, Jul 11, 2025 at 06:35:26PM +1000, Stephen Rothwell wrote: > Hi all, > > After merging the iommufd tree, today's linux-next build (htmldocs) > produced this warning: > > include/uapi/linux/iommufd.h:607: warning: cannot understand function prototype: 'struct iommu_hw_info_tegra241_cmdqv ' > > Introduced by commit > > b135de24cfc0 ("iommu/tegra241-cmdqv: Add user-space use support") > > You forgot the "struct" in the kerneldoc comment. I fixed it with this: --- a/include/uapi/linux/iommufd.h +++ b/include/uapi/linux/iommufd.h @@ -592,8 +592,9 @@ struct iommu_hw_info_arm_smmuv3 { }; /** - * iommu_hw_info_tegra241_cmdqv - NVIDIA Tegra241 CMDQV Hardware Information - * (IOMMU_HW_INFO_TYPE_TEGRA241_CMDQV) + * struct iommu_hw_info_tegra241_cmdqv - NVIDIA Tegra241 CMDQV Hardware + * Information (IOMMU_HW_INFO_TYPE_TEGRA241_CMDQV) + * * @flags: Must be 0 * @version: Version number for the CMDQ-V HW for PARAM bits[03:00] * @log2vcmdqs: Log2 of the total number of VCMDQs for PARAM bits[07:04] Thanks, Jason