tree: https://android.googlesource.com/kernel/common android12-5.10-2021-09 head: ece338aaa6b4bdf1c505c64f6b391e5cfabbfee5 commit: 54f66141a8834e27601fe594d68a97db01bb86b6 [8044/10848] ANDROID: sched: Add vendor hooks for sched. config: x86_64-randconfig-r033-20210928 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dc6e8dfdfe7efecfda318d43a06fae18b40eb498) 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 git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android12-5.10-2021-09 git checkout 54f66141a8834e27601fe594d68a97db01bb86b6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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 warnings (new ones prefixed by >>): void set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *se) ^ kernel/sched/fair.c:4424:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *se) ^ static kernel/sched/fair.c:8365:19: warning: unused function 'check_misfit_status' [-Wunused-function] static inline int check_misfit_status(struct rq *rq, struct sched_domain *sd) ^ 2 warnings generated. vim +/set_next_entity +4424 kernel/sched/fair.c 4423 4425 { 4426 /* 'current' is not kept within the tree. */ 4427 if (se->on_rq) { 4428 /* 4429 * Any task has to be enqueued before it get to execute on 4430 * a CPU. So account for the time it spent waiting on the 4431 * runqueue. 4432 */ 4433 update_stats_wait_end(cfs_rq, se); 4434 __dequeue_entity(cfs_rq, se); 4435 update_load_avg(cfs_rq, se, UPDATE_TG); 4436 } 4437 4438 update_stats_curr_start(cfs_rq, se); 4439 cfs_rq->curr = se; 4440 4441 /* 4442 * Track our maximum slice length, if the CPU's load is at 4443 * least twice that of our own weight (i.e. dont track it 4444 * when there are only lesser-weight tasks around): 4445 */ 4446 if (schedstat_enabled() && 4447 rq_of(cfs_rq)->cfs.load.weight >= 2*se->load.weight) { 4448 schedstat_set(se->statistics.slice_max, 4449 max((u64)schedstat_val(se->statistics.slice_max), 4450 se->sum_exec_runtime - se->prev_sum_exec_runtime)); 4451 } 4452 4453 se->prev_sum_exec_runtime = se->sum_exec_runtime; 4454 } 4455 EXPORT_SYMBOL_GPL(set_next_entity); 4456 4457 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org