tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 6c3413fbf8c430b89f5d23f465e10e99ea145199 commit: 00d37128abe2687fac974c5d21aa67fac6518c7c [2579/2579] sched: Introduce smart grid scheduling strategy for cfs config: arm64-randconfig-004-20241213 (https://download.01.org/0day-ci/archive/20241214/202412141149.8BSY27XL-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241214/202412141149.8BSY27XL-lkp@i...)

If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202412141149.8BSY27XL-lkp@intel.com/

All errors (new ones prefixed by >>):

kernel/sched/core.c:2746:6: warning: no previous prototype for 'sched_set_stop_task' [-Wmissing-prototypes] 2746 | void sched_set_stop_task(int cpu, struct task_struct *stop) | ^~~~~~~~~~~~~~~~~~~ kernel/sched/core.c: In function 'sched_cpu_activate': kernel/sched/core.c:8012:9: error: implicit declaration of function 'tg_update_affinity_domains'; did you mean 'irq_update_affinity_desc'? [-Werror=implicit-function-declaration] 8012 | tg_update_affinity_domains(cpu, 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ | irq_update_affinity_desc kernel/sched/core.c: In function 'sched_init_smp': kernel/sched/core.c:8146:9: error: implicit declaration of function 'init_auto_affinity'; did you mean 'irq_set_affinity'? [-Werror=implicit-function-declaration] 8146 | init_auto_affinity(&root_task_group); | ^~~~~~~~~~~~~~~~~~ | irq_set_affinity

...

kernel/sched/core.c:8146:29: error: 'root_task_group' undeclared (first use in this function); did you mean 'task_group'?

8146 | init_auto_affinity(&root_task_group); | ^~~~~~~~~~~~~~~ | task_group kernel/sched/core.c:8146:29: note: each undeclared identifier is reported only once for each function it appears in cc1: some warnings being treated as errors

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PGP_KEY_PARSER Depends on [n]: CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y] && ASYMMETRIC_PUBLIC_KEY_SUBTYPE [=n] Selected by [y]: - PGP_PRELOAD [=y] && CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y]

vim +8146 kernel/sched/core.c

8121 8122 void __init sched_init_smp(void) 8123 { 8124 sched_init_numa(); 8125 set_sched_cluster(); 8126 8127 /* 8128 * There's no userspace yet to cause hotplug operations; hence all the 8129 * CPU masks are stable and all blatant races in the below code cannot 8130 * happen. 8131 */ 8132 mutex_lock(&sched_domains_mutex); 8133 sched_init_domains(cpu_active_mask); 8134 mutex_unlock(&sched_domains_mutex); 8135 8136 /* Move init over to a non-isolated CPU */ 8137 if (set_cpus_allowed_ptr(current, housekeeping_cpumask(HK_FLAG_DOMAIN)) < 0) 8138 BUG(); 8139 sched_init_granularity(); 8140 8141 init_sched_rt_class(); 8142 init_sched_dl_class(); 8143 8144 sched_smp_initialized = true; 8145

8146 init_auto_affinity(&root_task_group);

8147 } 8148