Hi Xi, I love your patch! Yet something to improve: [auto build test ERROR on tip/sched/core] [also build test ERROR on tip/auto-latest linus/master v5.8-rc7] [cannot apply to block/for-next cgroup/for-next next-20200727] [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] url: https://github.com/0day-ci/linux/commits/Xi-Wang/sched-Make-select_idle_sibling-search-domain-configurable/20200728-150328 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 13efa616124f7eec7d6a58adeeef31864aa03879 config: nios2-defconfig (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from kernel/kthread.c:20: include/linux/cpuset.h: In function 'cpuset_update_active_cpus': >> include/linux/cpuset.h:177:2: error: too many arguments to function 'partition_sched_domains' 177 | partition_sched_domains(1, NULL, NULL, 0); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/cpuset.h:13, from kernel/kthread.c:20: include/linux/sched/topology.h:208:1: note: declared here 208 | partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[], | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/kthread.c:20: include/linux/cpuset.h: In function 'rebuild_sched_domains': include/linux/cpuset.h:263:2: error: too many arguments to function 'partition_sched_domains' 263 | partition_sched_domains(1, NULL, NULL, 0); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/cpuset.h:13, from kernel/kthread.c:20: include/linux/sched/topology.h:208:1: note: declared here 208 | partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[], | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/kthread.c:20: include/linux/cpuset.h: In function 'rebuild_sched_domains_force': include/linux/cpuset.h:268:2: error: too many arguments to function 'partition_sched_domains' 268 | partition_sched_domains(1, NULL, NULL, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/cpuset.h:13, from kernel/kthread.c:20: include/linux/sched/topology.h:208:1: note: declared here 208 | partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[], | ^~~~~~~~~~~~~~~~~~~~~~~ -- In file included from kernel/sched/sched.h:44, from kernel/sched/core.c:13: include/linux/cpuset.h: In function 'cpuset_update_active_cpus': >> include/linux/cpuset.h:177:2: error: too many arguments to function 'partition_sched_domains' 177 | partition_sched_domains(1, NULL, NULL, 0); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:31, from kernel/sched/core.c:13: include/linux/sched/topology.h:208:1: note: declared here 208 | partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[], | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:44, from kernel/sched/core.c:13: include/linux/cpuset.h: In function 'rebuild_sched_domains': include/linux/cpuset.h:263:2: error: too many arguments to function 'partition_sched_domains' 263 | partition_sched_domains(1, NULL, NULL, 0); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:31, from kernel/sched/core.c:13: include/linux/sched/topology.h:208:1: note: declared here 208 | partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[], | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:44, from kernel/sched/core.c:13: include/linux/cpuset.h: In function 'rebuild_sched_domains_force': include/linux/cpuset.h:268:2: error: too many arguments to function 'partition_sched_domains' 268 | partition_sched_domains(1, NULL, NULL, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:31, from kernel/sched/core.c:13: include/linux/sched/topology.h:208:1: note: declared here 208 | partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[], | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/core.c: In function 'ttwu_stat': kernel/sched/core.c:2319:13: warning: variable 'rq' set but not used [-Wunused-but-set-variable] 2319 | struct rq *rq; | ^~ -- In file included from kernel/sched/sched.h:44, from kernel/sched/fair.c:23: include/linux/cpuset.h: In function 'cpuset_update_active_cpus': >> include/linux/cpuset.h:177:2: error: too many arguments to function 'partition_sched_domains' 177 | partition_sched_domains(1, NULL, NULL, 0); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:31, from kernel/sched/fair.c:23: include/linux/sched/topology.h:208:1: note: declared here 208 | partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[], | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:44, from kernel/sched/fair.c:23: include/linux/cpuset.h: In function 'rebuild_sched_domains': include/linux/cpuset.h:263:2: error: too many arguments to function 'partition_sched_domains' 263 | partition_sched_domains(1, NULL, NULL, 0); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:31, from kernel/sched/fair.c:23: include/linux/sched/topology.h:208:1: note: declared here 208 | partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[], | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:44, from kernel/sched/fair.c:23: include/linux/cpuset.h: In function 'rebuild_sched_domains_force': include/linux/cpuset.h:268:2: error: too many arguments to function 'partition_sched_domains' 268 | partition_sched_domains(1, NULL, NULL, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:31, from kernel/sched/fair.c:23: include/linux/sched/topology.h:208:1: note: declared here 208 | partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[], | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/fair.c: At top level: kernel/sched/fair.c:5364:6: warning: no previous prototype for 'init_cfs_bandwidth' [-Wmissing-prototypes] 5364 | void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) {} | ^~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:11165:6: warning: no previous prototype for 'free_fair_sched_group' [-Wmissing-prototypes] 11165 | void free_fair_sched_group(struct task_group *tg) { } | ^~~~~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:11167:5: warning: no previous prototype for 'alloc_fair_sched_group' [-Wmissing-prototypes] 11167 | int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:11172:6: warning: no previous prototype for 'online_fair_sched_group' [-Wmissing-prototypes] 11172 | void online_fair_sched_group(struct task_group *tg) { } | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:11174:6: warning: no previous prototype for 'unregister_fair_sched_group' [-Wmissing-prototypes] 11174 | void unregister_fair_sched_group(struct task_group *tg) { } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from kernel/sched/sched.h:44, from kernel/sched/rt.c:6: include/linux/cpuset.h: In function 'cpuset_update_active_cpus': >> include/linux/cpuset.h:177:2: error: too many arguments to function 'partition_sched_domains' 177 | partition_sched_domains(1, NULL, NULL, 0); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:31, from kernel/sched/rt.c:6: include/linux/sched/topology.h:208:1: note: declared here 208 | partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[], | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:44, from kernel/sched/rt.c:6: include/linux/cpuset.h: In function 'rebuild_sched_domains': include/linux/cpuset.h:263:2: error: too many arguments to function 'partition_sched_domains' 263 | partition_sched_domains(1, NULL, NULL, 0); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:31, from kernel/sched/rt.c:6: include/linux/sched/topology.h:208:1: note: declared here 208 | partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[], | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:44, from kernel/sched/rt.c:6: include/linux/cpuset.h: In function 'rebuild_sched_domains_force': include/linux/cpuset.h:268:2: error: too many arguments to function 'partition_sched_domains' 268 | partition_sched_domains(1, NULL, NULL, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/sched.h:31, from kernel/sched/rt.c:6: include/linux/sched/topology.h:208:1: note: declared here 208 | partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[], | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/rt.c: At top level: kernel/sched/rt.c:253:6: warning: no previous prototype for 'free_rt_sched_group' [-Wmissing-prototypes] 253 | void free_rt_sched_group(struct task_group *tg) { } | ^~~~~~~~~~~~~~~~~~~ kernel/sched/rt.c:255:5: warning: no previous prototype for 'alloc_rt_sched_group' [-Wmissing-prototypes] 255 | int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent) | ^~~~~~~~~~~~~~~~~~~~ kernel/sched/rt.c:668:6: warning: no previous prototype for 'sched_rt_bandwidth_account' [-Wmissing-prototypes] 668 | bool sched_rt_bandwidth_account(struct rt_rq *rt_rq) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/partition_sched_domains +177 include/linux/cpuset.h 174 175 static inline void cpuset_update_active_cpus(void) 176 { > 177 partition_sched_domains(1, NULL, NULL, 0); 178 } 179 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org