Hi Aaron, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.19 next-20220728] [cannot apply to tip/timers/nohz] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Aaron-Tomlin/tick-sched-Ensure-quiet_vmstat-is-called-when-the-idle-tick-was-stopped-too/20220802-074341 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9de1f9c8ca5100a02a2e271bdbde36202e251b4b config: i386-randconfig-a002-20220801 (https://download.01.org/0day-ci/archive/20220803/202208030608.T5WKMCpb-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 52cd00cabf479aa7eb6dbb063b7ba41ea57bce9e) 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://github.com/intel-lab-lkp/linux/commit/a0d3b9fe31484c4c44c430d10d0b60e2e0551525 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Aaron-Tomlin/tick-sched-Ensure-quiet_vmstat-is-called-when-the-idle-tick-was-stopped-too/20220802-074341 git checkout a0d3b9fe31484c4c44c430d10d0b60e2e0551525 # save the config file mkdir build_dir && cp config build_dir/.config 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 where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: tick_nohz_user_enter_prepare >>> referenced by common.c >>> entry/common.o:(exit_to_user_mode_prepare) in archive kernel/built-in.a >>> referenced by common.c >>> entry/common.o:(exit_to_user_mode_prepare) in archive kernel/built-in.a -- 0-DAY CI Kernel Test Service https://01.org/lkp