Hi Pierre-Eric, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-exynos/exynos-drm-next] [also build test WARNING on drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-misc/drm-misc-next drm-tip/drm-tip linus/master v6.11-rc7 next-20240912] [cannot apply to drm/drm-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Pierre-Eric-Pelloux-Prayer/drm-use-drm_file-name-in-fdinfo/20240911-230058 base: https://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git exynos-drm-next patch link: https://lore.kernel.org/r/20240911145836.734080-3-pierre-eric.pelloux-prayer%40amd.com patch subject: [PATCH 3/3] drm/amdgpu: use drm_file name config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240913/202409130526.fve4aEMs-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240913/202409130526.fve4aEMs-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/202409130526.fve4aEMs-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2374: warning: Function parameter or struct member 'file' not described in 'amdgpu_vm_set_task_info' drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:2801: warning: Function parameter or struct member 'ts' not described in 'amdgpu_vm_handle_fault' vim +2374 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2367 b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2368 /** b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2369 * amdgpu_vm_set_task_info - Sets VMs task info. b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2370 * b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2371 * @vm: vm for which to set the info b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2372 */ cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2373 void amdgpu_vm_set_task_info(struct amdgpu_vm *vm, struct drm_file *file) b8f67b9ddf4f8f Shashank Sharma 2024-01-18 @2374 { b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2375 if (!vm->task_info) b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2376 return; b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2377 b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2378 if (vm->task_info->pid == current->pid) b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2379 return; b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2380 b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2381 vm->task_info->pid = current->pid; b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2382 get_task_comm(vm->task_info->task_name, current); b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2383 b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2384 if (current->group_leader->mm != current->mm) b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2385 return; b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2386 b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2387 vm->task_info->tgid = current->group_leader->pid; cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2388 __get_task_comm(vm->task_info->process_name, TASK_COMM_LEN, cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2389 current->group_leader); cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2390 /* Append drm_client_name if set. */ cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2391 if (file && file->name) { cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2392 int n; cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2393 cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2394 mutex_lock(&file->name_lock); cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2395 n = strlen(vm->task_info->process_name); cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2396 if (n < NAME_MAX) { cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2397 if (file->name) { cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2398 vm->task_info->process_name[n] = '/'; cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2399 strscpy_pad(&vm->task_info->process_name[n + 1], cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2400 file->name, NAME_MAX - (n + 1)); cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2401 } cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2402 } cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2403 mutex_unlock(&file->name_lock); cd1125e8edc565 Pierre-Eric Pelloux-Prayer 2024-09-11 2404 } b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2405 } b8f67b9ddf4f8f Shashank Sharma 2024-01-18 2406 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki