Hi Ryosuke, kernel test robot noticed the following build errors: [auto build test ERROR on e21cba704714c301d04c5fd37a693734b623872a] url: https://github.com/intel-lab-lkp/linux/commits/Ryosuke-Yasuoka/vmalloc-Add-atomic_vmap/20250305-232918 base: e21cba704714c301d04c5fd37a693734b623872a patch link: https://lore.kernel.org/r/20250305152555.318159-3-ryasuoka%40redhat.com patch subject: [PATCH drm-next 2/2] drm/virtio: Use atomic_vmap to work drm_panic in GUI config: i386-buildonly-randconfig-001-20250306 (https://download.01.org/0day-ci/archive/20250307/202503070700.ePiUr1E6-lkp@xxxxxxxxx/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250307/202503070700.ePiUr1E6-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/202503070700.ePiUr1E6-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>, old ones prefixed by <<): WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-mgr-test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-bridge-test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-region-test.o >> ERROR: modpost: "drm_gem_atomic_get_pages" [drivers/gpu/drm/drm_shmem_helper.ko] undefined! >> ERROR: modpost: "atomic_vmap" [drivers/gpu/drm/drm_shmem_helper.ko] undefined! -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki