Hi Danilo, kernel test robot noticed the following build warnings: [auto build test WARNING on 6bd3d8da51ca1ec97c724016466606aec7739b9f] url: https://github.com/intel-lab-lkp/linux/commits/Danilo-Krummrich/drm-gpuva_mgr-allow-building-as-module/20230907-054931 base: 6bd3d8da51ca1ec97c724016466606aec7739b9f patch link: https://lore.kernel.org/r/20230906214723.4393-3-dakr%40redhat.com patch subject: [PATCH drm-misc-next v2 2/7] drm/gpuvm: rename struct drm_gpuva_manager to struct drm_gpuvm reproduce: (https://download.01.org/0day-ci/archive/20230907/202309071613.s6ztMEyU-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202309071613.s6ztMEyU-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> ./include/drm/drm_gpuva_mgr.h:138: warning: Function parameter or member 'vm' not described in 'drm_gpuva' vim +138 ./include/drm/drm_gpuva_mgr.h e6303f323b1ad9 Danilo Krummrich 2023-07-20 60 e6303f323b1ad9 Danilo Krummrich 2023-07-20 61 /** e6303f323b1ad9 Danilo Krummrich 2023-07-20 62 * struct drm_gpuva - structure to track a GPU VA mapping e6303f323b1ad9 Danilo Krummrich 2023-07-20 63 * e6303f323b1ad9 Danilo Krummrich 2023-07-20 64 * This structure represents a GPU VA mapping and is associated with a 3142f8b7e68331 Danilo Krummrich 2023-09-06 65 * &drm_gpuvm. e6303f323b1ad9 Danilo Krummrich 2023-07-20 66 * e6303f323b1ad9 Danilo Krummrich 2023-07-20 67 * Typically, this structure is embedded in bigger driver structures. e6303f323b1ad9 Danilo Krummrich 2023-07-20 68 */ e6303f323b1ad9 Danilo Krummrich 2023-07-20 69 struct drm_gpuva { e6303f323b1ad9 Danilo Krummrich 2023-07-20 70 /** 3142f8b7e68331 Danilo Krummrich 2023-09-06 71 * @gpuvm: the &drm_gpuvm this object is associated with e6303f323b1ad9 Danilo Krummrich 2023-07-20 72 */ 3142f8b7e68331 Danilo Krummrich 2023-09-06 73 struct drm_gpuvm *vm; e6303f323b1ad9 Danilo Krummrich 2023-07-20 74 e6303f323b1ad9 Danilo Krummrich 2023-07-20 75 /** e6303f323b1ad9 Danilo Krummrich 2023-07-20 76 * @flags: the &drm_gpuva_flags for this mapping e6303f323b1ad9 Danilo Krummrich 2023-07-20 77 */ e6303f323b1ad9 Danilo Krummrich 2023-07-20 78 enum drm_gpuva_flags flags; e6303f323b1ad9 Danilo Krummrich 2023-07-20 79 e6303f323b1ad9 Danilo Krummrich 2023-07-20 80 /** e6303f323b1ad9 Danilo Krummrich 2023-07-20 81 * @va: structure containing the address and range of the &drm_gpuva e6303f323b1ad9 Danilo Krummrich 2023-07-20 82 */ e6303f323b1ad9 Danilo Krummrich 2023-07-20 83 struct { e6303f323b1ad9 Danilo Krummrich 2023-07-20 84 /** e6303f323b1ad9 Danilo Krummrich 2023-07-20 85 * @addr: the start address e6303f323b1ad9 Danilo Krummrich 2023-07-20 86 */ e6303f323b1ad9 Danilo Krummrich 2023-07-20 87 u64 addr; e6303f323b1ad9 Danilo Krummrich 2023-07-20 88 e6303f323b1ad9 Danilo Krummrich 2023-07-20 89 /* e6303f323b1ad9 Danilo Krummrich 2023-07-20 90 * @range: the range e6303f323b1ad9 Danilo Krummrich 2023-07-20 91 */ e6303f323b1ad9 Danilo Krummrich 2023-07-20 92 u64 range; e6303f323b1ad9 Danilo Krummrich 2023-07-20 93 } va; e6303f323b1ad9 Danilo Krummrich 2023-07-20 94 e6303f323b1ad9 Danilo Krummrich 2023-07-20 95 /** e6303f323b1ad9 Danilo Krummrich 2023-07-20 96 * @gem: structure containing the &drm_gem_object and it's offset e6303f323b1ad9 Danilo Krummrich 2023-07-20 97 */ e6303f323b1ad9 Danilo Krummrich 2023-07-20 98 struct { e6303f323b1ad9 Danilo Krummrich 2023-07-20 99 /** e6303f323b1ad9 Danilo Krummrich 2023-07-20 100 * @offset: the offset within the &drm_gem_object e6303f323b1ad9 Danilo Krummrich 2023-07-20 101 */ e6303f323b1ad9 Danilo Krummrich 2023-07-20 102 u64 offset; e6303f323b1ad9 Danilo Krummrich 2023-07-20 103 e6303f323b1ad9 Danilo Krummrich 2023-07-20 104 /** e6303f323b1ad9 Danilo Krummrich 2023-07-20 105 * @obj: the mapped &drm_gem_object e6303f323b1ad9 Danilo Krummrich 2023-07-20 106 */ e6303f323b1ad9 Danilo Krummrich 2023-07-20 107 struct drm_gem_object *obj; e6303f323b1ad9 Danilo Krummrich 2023-07-20 108 e6303f323b1ad9 Danilo Krummrich 2023-07-20 109 /** e6303f323b1ad9 Danilo Krummrich 2023-07-20 110 * @entry: the &list_head to attach this object to a &drm_gem_object e6303f323b1ad9 Danilo Krummrich 2023-07-20 111 */ e6303f323b1ad9 Danilo Krummrich 2023-07-20 112 struct list_head entry; e6303f323b1ad9 Danilo Krummrich 2023-07-20 113 } gem; e6303f323b1ad9 Danilo Krummrich 2023-07-20 114 e6303f323b1ad9 Danilo Krummrich 2023-07-20 115 /** e6303f323b1ad9 Danilo Krummrich 2023-07-20 116 * @rb: structure containing data to store &drm_gpuvas in a rb-tree e6303f323b1ad9 Danilo Krummrich 2023-07-20 117 */ e6303f323b1ad9 Danilo Krummrich 2023-07-20 118 struct { e6303f323b1ad9 Danilo Krummrich 2023-07-20 119 /** e6303f323b1ad9 Danilo Krummrich 2023-07-20 120 * @rb: the rb-tree node e6303f323b1ad9 Danilo Krummrich 2023-07-20 121 */ e6303f323b1ad9 Danilo Krummrich 2023-07-20 122 struct rb_node node; e6303f323b1ad9 Danilo Krummrich 2023-07-20 123 e6303f323b1ad9 Danilo Krummrich 2023-07-20 124 /** e6303f323b1ad9 Danilo Krummrich 2023-07-20 125 * @entry: The &list_head to additionally connect &drm_gpuvas e6303f323b1ad9 Danilo Krummrich 2023-07-20 126 * in the same order they appear in the interval tree. This is e6303f323b1ad9 Danilo Krummrich 2023-07-20 127 * useful to keep iterating &drm_gpuvas from a start node found e6303f323b1ad9 Danilo Krummrich 2023-07-20 128 * through the rb-tree while doing modifications on the rb-tree e6303f323b1ad9 Danilo Krummrich 2023-07-20 129 * itself. e6303f323b1ad9 Danilo Krummrich 2023-07-20 130 */ e6303f323b1ad9 Danilo Krummrich 2023-07-20 131 struct list_head entry; e6303f323b1ad9 Danilo Krummrich 2023-07-20 132 e6303f323b1ad9 Danilo Krummrich 2023-07-20 133 /** e6303f323b1ad9 Danilo Krummrich 2023-07-20 134 * @__subtree_last: needed by the interval tree, holding last-in-subtree e6303f323b1ad9 Danilo Krummrich 2023-07-20 135 */ e6303f323b1ad9 Danilo Krummrich 2023-07-20 136 u64 __subtree_last; e6303f323b1ad9 Danilo Krummrich 2023-07-20 137 } rb; e6303f323b1ad9 Danilo Krummrich 2023-07-20 @138 }; e6303f323b1ad9 Danilo Krummrich 2023-07-20 139 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki