tree: https://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git mpam/snapshot/v5.16 head: 364c1c42b229912132e1615c2ce15be7154e2156 commit: 5d118e3da1ad725c2ea8da30eda516096e550289 [60/137] x86/resctrl: Drop __init/__exit on assorted symbols config: i386-randconfig-a011-20220124 (https://download.01.org/0day-ci/archive/20220126/202201261528.jKedbVna-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 997e128e2a78f5a5434fc75997441ae1ee76f8a4) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # 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/v5.16 git checkout 5d118e3da1ad725c2ea8da30eda516096e550289 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): The function resctrl_init() references the function __init thread_throttle_mode_init(). This is often because resctrl_init lacks a __init annotation or the annotation of thread_throttle_mode_init is wrong. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org