tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 79e1c0e468a9c6fa0ca8d1a329bbba9c40f4d84d commit: 34239429b1253e3d19cebf15277f46916519b1c2 [2514/10358] sched: programmable: Add user interface of task tag config: x86_64-randconfig-076-20240621 (https://download.01.org/0day-ci/archive/20240621/202406211329.ROMqS1XO-lkp@i...) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240621/202406211329.ROMqS1XO-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202406211329.ROMqS1XO-lkp@intel.com/ All errors (new ones prefixed by >>):

...

ld.lld: error: undefined symbol: sched_settag

...

referenced by base.c:3697 (fs/proc/base.c:3697) vmlinux.o:(pid_tag_write)

-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki