tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5c41e48598c428d3e38e9ce985a698070deb979b commit: 713cfd2684fa5ea08b144d92b9858b932c0f1705 [20703/21864] sched: Introduce smart grid scheduling strategy for cfs config: x86_64-randconfig-r111-20240313 (https://download.01.org/0day-ci/archive/20240315/202403150202.LRmQdyUB-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/20240315/202403150202.LRmQdyUB-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/202403150202.LRmQdyUB-lkp@intel.com/

sparse warnings: (new ones prefixed by >>) kernel/sched/core.c:133:6: sparse: sparse: symbol 'account_irqtime_to_task' was not declared. Should it be static? kernel/sched/core.c:1646:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:1646:17: sparse: struct sched_domain [noderef] __rcu * kernel/sched/core.c:1646:17: sparse: struct sched_domain * kernel/sched/core.c:1830:27: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:1830:27: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:1830:27: sparse: struct task_struct * kernel/sched/core.c:3508:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:3508:17: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:3508:17: sparse: struct task_struct * kernel/sched/core.c:5501:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:5501:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:5501:9: sparse: struct task_struct * kernel/sched/core.c:6699:11: sparse: sparse: symbol 'min_cfs_quota_period' was not declared. Should it be static? kernel/sched/core.c:6779:5: sparse: sparse: symbol 'tg_set_cfs_quota' was not declared. Should it be static? kernel/sched/core.c:6794:6: sparse: sparse: symbol 'tg_get_cfs_quota' was not declared. Should it be static? kernel/sched/core.c:6807:5: sparse: sparse: symbol 'tg_set_cfs_period' was not declared. Should it be static? kernel/sched/core.c:6820:6: sparse: sparse: symbol 'tg_get_cfs_period' was not declared. Should it be static?

...

kernel/sched/core.c:6988:5: sparse: sparse: symbol 'tg_set_dynamic_affinity_mode' was not declared. Should it be static? kernel/sched/core.c:7025:5: sparse: sparse: symbol 'tg_set_affinity_period' was not declared. Should it be static? kernel/sched/core.c:7036:5: sparse: sparse: symbol 'tg_get_affinity_period' was not declared. Should it be static?

In file included from kernel/sched/core.c:8: In file included from kernel/sched/sched.h:52: In file included from include/linux/migrate.h:6: In file included from include/linux/mempolicy.h:16: include/linux/pagemap.h:425:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict] 425 | filler_t *filler = (filler_t *)mapping->a_ops->readpage; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/core.c:8: kernel/sched/sched.h:1249:15: warning: cast from 'void (*)(struct rq *)' to 'void (*)(struct callback_head *)' converts to incompatible function type [-Wcast-function-type-strict] 1249 | head->func = (void (*)(struct callback_head *))func; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/core.c:1587:6: warning: no previous prototype for function 'sched_set_stop_task' [-Wmissing-prototypes] 1587 | void sched_set_stop_task(int cpu, struct task_struct *stop) | ^ kernel/sched/core.c:1587:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 1587 | void sched_set_stop_task(int cpu, struct task_struct *stop) | ^ | static kernel/sched/core.c:2741:10: warning: cast from 'void (*)(struct callback_head *)' to 'void (*)(struct rq *)' converts to incompatible function type [-Wcast-function-type-strict] 2741 | func = (void (*)(struct rq *))head->func; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/core.c:3771:35: warning: no previous prototype for function 'preempt_schedule_irq' [-Wmissing-prototypes] 3771 | asmlinkage __visible void __sched preempt_schedule_irq(void) | ^ kernel/sched/core.c:3771:22: note: declare 'static' if the function is not intended to be used outside of this translation unit 3771 | asmlinkage __visible void __sched preempt_schedule_irq(void) | ^ | static kernel/sched/core.c:6779:5: warning: no previous prototype for function 'tg_set_cfs_quota' [-Wmissing-prototypes] 6779 | int tg_set_cfs_quota(struct task_group *tg, long cfs_quota_us) | ^ kernel/sched/core.c:6779:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 6779 | int tg_set_cfs_quota(struct task_group *tg, long cfs_quota_us) | ^ | static kernel/sched/core.c:6794:6: warning: no previous prototype for function 'tg_get_cfs_quota' [-Wmissing-prototypes] 6794 | long tg_get_cfs_quota(struct task_group *tg) | ^ kernel/sched/core.c:6794:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 6794 | long tg_get_cfs_quota(struct task_group *tg) | ^ | static kernel/sched/core.c:6807:5: warning: no previous prototype for function 'tg_set_cfs_period' [-Wmissing-prototypes] 6807 | int tg_set_cfs_period(struct task_group *tg, long cfs_period_us) | ^ kernel/sched/core.c:6807:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 6807 | int tg_set_cfs_period(struct task_group *tg, long cfs_period_us) | ^ | static kernel/sched/core.c:6820:6: warning: no previous prototype for function 'tg_get_cfs_period' [-Wmissing-prototypes] 6820 | long tg_get_cfs_period(struct task_group *tg) | ^ kernel/sched/core.c:6820:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 6820 | long tg_get_cfs_period(struct task_group *tg) | ^ | static kernel/sched/core.c:6988:5: warning: no previous prototype for function 'tg_set_dynamic_affinity_mode' [-Wmissing-prototypes] 6988 | int tg_set_dynamic_affinity_mode(struct task_group *tg, u64 mode) | ^ kernel/sched/core.c:6988:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 6988 | int tg_set_dynamic_affinity_mode(struct task_group *tg, u64 mode) | ^ | static kernel/sched/core.c:7025:5: warning: no previous prototype for function 'tg_set_affinity_period' [-Wmissing-prototypes] 7025 | int tg_set_affinity_period(struct task_group *tg, u64 period_ms) | ^ kernel/sched/core.c:7025:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 7025 | int tg_set_affinity_period(struct task_group *tg, u64 period_ms) | ^ | static kernel/sched/core.c:7036:5: warning: no previous prototype for function 'tg_get_affinity_period' [-Wmissing-prototypes] 7036 | u64 tg_get_affinity_period(struct task_group *tg) | ^ kernel/sched/core.c:7036:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 7036 | u64 tg_get_affinity_period(struct task_group *tg) | ^ | static In file included from kernel/sched/core.c:8: In file included from kernel/sched/sched.h:52: In file included from include/linux/migrate.h:6: include/linux/mempolicy.h:329:13: warning: unused function '__do_mbind' [-Wunused-function] 329 | static long __do_mbind(unsigned long start, unsigned long len, | ^~~~~~~~~~ 13 warnings generated. -- kernel/sched/fair.c:47:14: sparse: sparse: symbol 'normalized_sysctl_sched_latency' was not declared. Should it be static? kernel/sched/fair.c:68:14: sparse: sparse: symbol 'normalized_sysctl_sched_min_granularity' was not declared. Should it be static? kernel/sched/fair.c:91:14: sparse: sparse: symbol 'normalized_sysctl_sched_wakeup_granularity' was not declared. Should it be static? kernel/sched/fair.c:141:14: sparse: sparse: symbol 'capacity_margin' was not declared. Should it be static? kernel/sched/fair.c:6933:14: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:6933:14: sparse: struct sched_domain [noderef] __rcu * kernel/sched/fair.c:6933:14: sparse: struct sched_domain * kernel/sched/fair.c:3682:6: sparse: sparse: symbol 'sync_entity_load_avg' was not declared. Should it be static? kernel/sched/fair.c:3695:6: sparse: sparse: symbol 'remove_entity_load_avg' was not declared. Should it be static? kernel/sched/fair.c:10761:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10761:22: sparse: struct sched_domain [noderef] __rcu * kernel/sched/fair.c:10761:22: sparse: struct sched_domain * kernel/sched/fair.c:10775:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10775:9: sparse: struct sched_domain [noderef] __rcu * kernel/sched/fair.c:10775:9: sparse: struct sched_domain * kernel/sched/fair.c:3870:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:3870:25: sparse: struct sparsemask [noderef] __rcu * kernel/sched/fair.c:3870:25: sparse: struct sparsemask * kernel/sched/fair.c:3887:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:3887:25: sparse: struct sparsemask [noderef] __rcu * kernel/sched/fair.c:3887:25: sparse: struct sparsemask * kernel/sched/fair.c:10985:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10985:25: sparse: struct sparsemask [noderef] __rcu * kernel/sched/fair.c:10985:25: sparse: struct sparsemask *

...

kernel/sched/fair.c:5566:6: sparse: sparse: symbol 'free_affinity_domains' was not declared. Should it be static?

kernel/sched/fair.c:5610:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:5610:9: sparse: struct sched_domain [noderef] __rcu * kernel/sched/fair.c:5610:9: sparse: struct sched_domain * kernel/sched/fair.c:5632:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:5632:9: sparse: struct sched_domain [noderef] __rcu * kernel/sched/fair.c:5632:9: sparse: struct sched_domain * kernel/sched/fair.c:6821:19: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:6821:19: sparse: struct sched_domain [noderef] __rcu * kernel/sched/fair.c:6821:19: sparse: struct sched_domain * kernel/sched/fair.c:7258:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:7258:9: sparse: struct sched_domain [noderef] __rcu * kernel/sched/fair.c:7258:9: sparse: struct sched_domain * kernel/sched/fair.c:10126:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10126:9: sparse: struct sched_domain [noderef] __rcu * kernel/sched/fair.c:10126:9: sparse: struct sched_domain * kernel/sched/fair.c:10204:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10204:9: sparse: struct sched_domain [noderef] __rcu * kernel/sched/fair.c:10204:9: sparse: struct sched_domain * kernel/sched/fair.c:6688:15: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:6688:15: sparse: struct sched_domain_shared [noderef] __rcu * kernel/sched/fair.c:6688:15: sparse: struct sched_domain_shared * kernel/sched/fair.c:6679:15: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:6679:15: sparse: struct sched_domain_shared [noderef] __rcu * kernel/sched/fair.c:6679:15: sparse: struct sched_domain_shared * kernel/sched/fair.c:6688:15: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:6688:15: sparse: struct sched_domain_shared [noderef] __rcu * kernel/sched/fair.c:6688:15: sparse: struct sched_domain_shared * kernel/sched/fair.c:6679:15: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:6679:15: sparse: struct sched_domain_shared [noderef] __rcu * kernel/sched/fair.c:6679:15: sparse: struct sched_domain_shared * kernel/sched/fair.c:6660:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:6660:17: sparse: struct sched_domain [noderef] __rcu * kernel/sched/fair.c:6660:17: sparse: struct sched_domain * kernel/sched/fair.c:10294:16: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10294:16: sparse: struct sched_domain [noderef] __rcu * kernel/sched/fair.c:10294:16: sparse: struct sched_domain * In file included from kernel/sched/fair.c:23: In file included from kernel/sched/sched.h:52: In file included from include/linux/migrate.h:6: In file included from include/linux/mempolicy.h:16: include/linux/pagemap.h:425:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict] 425 | filler_t *filler = (filler_t *)mapping->a_ops->readpage; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/fair.c:23: kernel/sched/sched.h:1249:15: warning: cast from 'void (*)(struct rq *)' to 'void (*)(struct callback_head *)' converts to incompatible function type [-Wcast-function-type-strict] 1249 | head->func = (void (*)(struct callback_head *))func; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/sched/fair.c:3682:6: warning: no previous prototype for function 'sync_entity_load_avg' [-Wmissing-prototypes] 3682 | void sync_entity_load_avg(struct sched_entity *se) | ^ kernel/sched/fair.c:3682:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 3682 | void sync_entity_load_avg(struct sched_entity *se) | ^ | static kernel/sched/fair.c:3695:6: warning: no previous prototype for function 'remove_entity_load_avg' [-Wmissing-prototypes] 3695 | void remove_entity_load_avg(struct sched_entity *se) | ^ kernel/sched/fair.c:3695:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 3695 | void remove_entity_load_avg(struct sched_entity *se) | ^ | static kernel/sched/fair.c:5566:6: warning: no previous prototype for function 'free_affinity_domains' [-Wmissing-prototypes] 5566 | void free_affinity_domains(struct affinity_domain *ad) | ^ kernel/sched/fair.c:5566:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 5566 | void free_affinity_domains(struct affinity_domain *ad) | ^ | static kernel/sched/fair.c:8613:7: warning: variable 'done' set but not used [-Wunused-but-set-variable] 8613 | bool done = true; | ^ In file included from kernel/sched/fair.c:23: In file included from kernel/sched/sched.h:52: In file included from include/linux/migrate.h:6: include/linux/mempolicy.h:329:13: warning: unused function '__do_mbind' [-Wunused-function] 329 | static long __do_mbind(unsigned long start, unsigned long len, | ^~~~~~~~~~ 7 warnings generated.

vim +/tg_set_dynamic_affinity_mode +6988 kernel/sched/core.c

6986 6987 #ifdef CONFIG_QOS_SCHED_SMART_GRID

6988 int tg_set_dynamic_affinity_mode(struct task_group *tg, u64 mode)

6989 { 6990 struct auto_affinity *auto_affi = tg->auto_affinity; 6991 int ret = 0; 6992 6993 raw_spin_lock_irq(&auto_affi->lock); 6994 6995 /* auto mode*/ 6996 if (mode == 1) { 6997 start_auto_affinity(auto_affi); 6998 } else if (mode == 0) { 6999 stop_auto_affinity(auto_affi); 7000 } else { 7001 raw_spin_unlock_irq(&auto_affi->lock); 7002 return -EINVAL; 7003 } 7004 7005 auto_affi->mode = mode; 7006 raw_spin_unlock_irq(&auto_affi->lock); 7007 7008 return ret; 7009 } 7010 7011 static u64 cpu_affinity_mode_read_u64(struct cgroup_subsys_state *css, 7012 struct cftype *cft) 7013 { 7014 struct task_group *tg = css_tg(css); 7015 7016 return tg->auto_affinity->mode; 7017 } 7018 7019 static int cpu_affinity_mode_write_u64(struct cgroup_subsys_state *css, 7020 struct cftype *cftype, u64 mode) 7021 { 7022 return tg_set_dynamic_affinity_mode(css_tg(css), mode); 7023 } 7024

7025 int tg_set_affinity_period(struct task_group *tg, u64 period_ms)

7026 { 7027 if (period_ms > U64_MAX / NSEC_PER_MSEC) 7028 return -EINVAL; 7029 7030 raw_spin_lock_irq(&tg->auto_affinity->lock); 7031 tg->auto_affinity->period = ms_to_ktime(period_ms); 7032 raw_spin_unlock_irq(&tg->auto_affinity->lock); 7033 return 0; 7034 } 7035

7036 u64 tg_get_affinity_period(struct task_group *tg)

7037 { 7038 return ktime_to_ms(tg->auto_affinity->period); 7039 } 7040