Hi Bhupesh, kernel test robot noticed the following build errors: [auto build test ERROR on 5303936d609e09665deda94eaedf26a0e5c3a087] url: https://github.com/intel-lab-lkp/linux/commits/Bhupesh/exec-Remove-obsolete-comments/20250821-182426 base: 5303936d609e09665deda94eaedf26a0e5c3a087 patch link: https://lore.kernel.org/r/20250821102152.323367-4-bhupesh%40igalia.com patch subject: [PATCH v8 3/5] treewide: Replace 'get_task_comm()' with 'strscpy_pad()' config: x86_64-buildonly-randconfig-001-20250822 (https://download.01.org/0day-ci/archive/20250822/202508221127.LiaxcbdW-lkp@xxxxxxxxx/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250822/202508221127.LiaxcbdW-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/202508221127.LiaxcbdW-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/panthor/panthor_sched.c:3420:2: error: call to undeclared function 'get_task_comm'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 3420 | get_task_comm(group->task_info.comm, task); | ^ drivers/gpu/drm/panthor/panthor_sched.c:3420:2: note: did you mean 'get_task_mm'? include/linux/sched/mm.h:151:26: note: 'get_task_mm' declared here 151 | extern struct mm_struct *get_task_mm(struct task_struct *task); | ^ 1 error generated. vim +/get_task_comm +3420 drivers/gpu/drm/panthor/panthor_sched.c de85488138247d Boris Brezillon 2024-02-29 3414 33b9cb6dcda252 Chia-I Wu 2025-07-17 3415 static void group_init_task_info(struct panthor_group *group) 33b9cb6dcda252 Chia-I Wu 2025-07-17 3416 { 33b9cb6dcda252 Chia-I Wu 2025-07-17 3417 struct task_struct *task = current->group_leader; 33b9cb6dcda252 Chia-I Wu 2025-07-17 3418 33b9cb6dcda252 Chia-I Wu 2025-07-17 3419 group->task_info.pid = task->pid; 33b9cb6dcda252 Chia-I Wu 2025-07-17 @3420 get_task_comm(group->task_info.comm, task); 33b9cb6dcda252 Chia-I Wu 2025-07-17 3421 } 33b9cb6dcda252 Chia-I Wu 2025-07-17 3422 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki