CC: linux-kernel@vger.kernel.org CC: x86@kernel.org TO: Josh Don CC: Peter Zijlstra tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core head: 8c92606ab81086db00cbb73347d124b4eb169b7e commit: 4feee7d12603deca8775f9f9ae5e121093837444 [3/8] sched/core: Forced idle accounting config: x86_64-randconfig-a015-20211205 (https://download.01.org/0day-ci/archive/20211206/202112062146.ZCkjHRUq-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5f1d1854eb1450d352663ee732235893c5782237) 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/tip/tip.git/commit/?id=4feee7d12603deca8775f9f9ae5e121093837444 git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch --no-tags tip sched/core git checkout 4feee7d12603deca8775f9f9ae5e121093837444 # 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=x86_64 SHELL=/bin/bash kernel/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> kernel/sched/core_sched.o: warning: objtool: __sched_core_account_forceidle()+0x3c6: unreachable instruction --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org