TO: Peter Zijlstra <peterz(a)infradead.org&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/wip-freezer head: 0fe07296a26fa53a5c0b07debf0f13462ddaf82c commit: 9d2e08b483f3ac248776c2787dff5dbee5498d3a [4/5] freezer,sched: Rewrite core freezer logic config: x86_64-randconfig-b001-20210618 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?... git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue sched/wip-freezer git checkout 9d2e08b483f3ac248776c2787dff5dbee5498d3a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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 warnings (new ones prefixed by >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org