tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 9e82708a746dc5d4ec8995a3e6edace2cf23c6fd commit: 00d37128abe2687fac974c5d21aa67fac6518c7c [27244/30000] sched: Introduce smart grid scheduling strategy for cfs config: x86_64-buildonly-randconfig-001-20240314 (https://download.01.org/0day-ci/archive/20240314/202403141540.Qo9LqVrW-lkp@i...) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240314/202403141540.Qo9LqVrW-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/202403141540.Qo9LqVrW-lkp@intel.com/

All warnings (new ones prefixed by >>):

In file included from kernel/sched/core.c:13: kernel/sched/sched.h:1837:15: warning: cast from 'void (*)(struct rq *)' to 'void (*)(struct callback_head *)' converts to incompatible function type [-Wcast-function-type-strict] 1837 | head->func = (void (*)(struct callback_head *))func; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/core.c:2746:6: warning: no previous prototype for function 'sched_set_stop_task' [-Wmissing-prototypes] 2746 | void sched_set_stop_task(int cpu, struct task_struct *stop) | ^ kernel/sched/core.c:2746:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 2746 | void sched_set_stop_task(int cpu, struct task_struct *stop) | ^ | static kernel/sched/core.c:4121:10: warning: cast from 'void (*)(struct callback_head *)' to 'void (*)(struct rq *)' converts to incompatible function type [-Wcast-function-type-strict] 4121 | func = (void (*)(struct rq *))head->func; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/core.c:9530:5: warning: no previous prototype for function 'tg_set_dynamic_affinity_mode' [-Wmissing-prototypes] 9530 | int tg_set_dynamic_affinity_mode(struct task_group *tg, u64 mode) | ^ kernel/sched/core.c:9530:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 9530 | int tg_set_dynamic_affinity_mode(struct task_group *tg, u64 mode) | ^ | static kernel/sched/core.c:9567:5: warning: no previous prototype for function 'tg_set_affinity_period' [-Wmissing-prototypes] 9567 | int tg_set_affinity_period(struct task_group *tg, u64 period_ms) | ^ kernel/sched/core.c:9567:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 9567 | int tg_set_affinity_period(struct task_group *tg, u64 period_ms) | ^ | static kernel/sched/core.c:9578:5: warning: no previous prototype for function 'tg_get_affinity_period' [-Wmissing-prototypes] 9578 | u64 tg_get_affinity_period(struct task_group *tg) | ^ kernel/sched/core.c:9578:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 9578 | u64 tg_get_affinity_period(struct task_group *tg) | ^ | static

...

kernel/sched/core.c:9634:4: warning: format specifies type 'unsigned long long' but the argument has type 'int' [-Wformat]

9632 | seq_printf(sf, "sd_level %d, cpu list %*pbl, stay_cnt %llu\n", | ~~~~ | %d 9633 | i, cpumask_pr_args(ad->domains[i]), 9634 | schedstat_val(ad->stay_cnt[i])); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/stats.h:72:32: note: expanded from macro 'schedstat_val' 72 | # define schedstat_val(var) 0 | ^ 7 warnings generated.

vim +9634 kernel/sched/core.c

9619 9620 static int cpu_affinity_stat_show(struct seq_file *sf, void *v) 9621 { 9622 struct task_group *tg = css_tg(seq_css(sf)); 9623 struct auto_affinity *auto_affi = tg->auto_affinity; 9624 struct affinity_domain *ad = &auto_affi->ad; 9625 int i; 9626 9627 seq_printf(sf, "period_active %d\n", auto_affi->period_active); 9628 seq_printf(sf, "dcount %d\n", ad->dcount); 9629 seq_printf(sf, "domain_mask 0x%x\n", ad->domain_mask); 9630 seq_printf(sf, "curr_level %d\n", ad->curr_level); 9631 for (i = 0; i < ad->dcount; i++) 9632 seq_printf(sf, "sd_level %d, cpu list %*pbl, stay_cnt %llu\n", 9633 i, cpumask_pr_args(ad->domains[i]),

9634 schedstat_val(ad->stay_cnt[i]));

9635 9636 return 0; 9637 } 9638 #endif /* CONFIG_QOS_SCHED_SMART_GRID */ 9639