tree: https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git mpam/snapshot/v5.15 head: ce3629841262f725a5f3a327403fcaf0e604a85e commit: 016782894eb4694b95d6b67f4b1794cde795482c [62/139] x86/resctrl: Move the restrl code to fs config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git/commit/?i... git remote add morse https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git git fetch --no-tags morse mpam/snapshot/v5.15 git checkout 016782894eb4694b95d6b67f4b1794cde795482c # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 1644 | void __init thread_throttle_mode_init(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/thread_throttle_mode_init +1644 fs/resctrl/rdtgroup.c 1643 1645 { 1646 struct rftype *rft; 1647 1648 rft = rdtgroup_get_rftype_by_name("thread_throttle_mode"); 1649 if (!rft) 1650 return; 1651 1652 rft->fflags = RF_CTRL_INFO | RFTYPE_RES_MB; 1653 } 1654 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org