* [peterz-queue:sched/task_h_load 27/27] kernel/sched/fair.c:8017:9: error: implicit declaration of function 'for_each_sched_entity_bl'; did you mean 'for_each_sched_entity'?
@ 2026-09-03 1:54 kernel test robot
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From: kernel test robot @ 2026-09-03 1:54 UTC (permalink / raw)
To: Peter Zijlstra; +Cc: oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/task_h_load
head: 4cbbcdc1a5585407e918e633887e57d978ddf0c6
commit: 4cbbcdc1a5585407e918e633887e57d978ddf0c6 [27/27] sched/fair: Rework/fix task_h_load()
config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20260903/202609030926.qU7WplQC-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260903/202609030926.qU7WplQC-lkp@intel.com/reproduce)
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/202609030926.qU7WplQC-lkp@intel.com/
All errors (new ones prefixed by >>):
kernel/sched/fair.c: In function 'update_curr_fair':
kernel/sched/fair.c:461:36: error: implicit declaration of function 'cfs_of_of'; did you mean 'cfs_rq_of'? [-Wimplicit-function-declaration]
461 | for (; (se) && ((cfs_rq) = cfs_of_of(se)); (se) = NULL)
| ^~~~~~~~~
kernel/sched/fair.c:2085:9: note: in expansion of macro 'for_each_sched_entity'
2085 | for_each_sched_entity(se, cfs_rq)
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:461:34: error: assignment to 'struct cfs_rq *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
461 | for (; (se) && ((cfs_rq) = cfs_of_of(se)); (se) = NULL)
| ^
kernel/sched/fair.c:2085:9: note: in expansion of macro 'for_each_sched_entity'
2085 | for_each_sched_entity(se, cfs_rq)
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c: In function 'reweight_task_fair':
kernel/sched/fair.c:461:34: error: assignment to 'struct cfs_rq *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
461 | for (; (se) && ((cfs_rq) = cfs_of_of(se)); (se) = NULL)
| ^
kernel/sched/fair.c:4820:9: note: in expansion of macro 'for_each_sched_entity'
4820 | for_each_sched_entity(se, cfs_rq)
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c: In function 'set_delayed':
kernel/sched/fair.c:461:34: error: assignment to 'struct cfs_rq *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
461 | for (; (se) && ((cfs_rq) = cfs_of_of(se)); (se) = NULL)
| ^
kernel/sched/fair.c:6452:9: note: in expansion of macro 'for_each_sched_entity'
6452 | for_each_sched_entity(se, cfs_rq)
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c: In function 'clear_delayed':
kernel/sched/fair.c:461:34: error: assignment to 'struct cfs_rq *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
461 | for (; (se) && ((cfs_rq) = cfs_of_of(se)); (se) = NULL)
| ^
kernel/sched/fair.c:6471:9: note: in expansion of macro 'for_each_sched_entity'
6471 | for_each_sched_entity(se, cfs_rq)
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c: In function 'enqueue_hierarchy':
kernel/sched/fair.c:461:34: error: assignment to 'struct cfs_rq *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
461 | for (; (se) && ((cfs_rq) = cfs_of_of(se)); (se) = NULL)
| ^
kernel/sched/fair.c:7994:9: note: in expansion of macro 'for_each_sched_entity'
7994 | for_each_sched_entity(se, cfs_rq) {
| ^~~~~~~~~~~~~~~~~~~~~
>> kernel/sched/fair.c:8017:9: error: implicit declaration of function 'for_each_sched_entity_bl'; did you mean 'for_each_sched_entity'? [-Wimplicit-function-declaration]
8017 | for_each_sched_entity_bl(se, cfs_rq)
| ^~~~~~~~~~~~~~~~~~~~~~~~
| for_each_sched_entity
>> kernel/sched/fair.c:8017:45: error: expected ';' before 'update_cfs_rq_h_load'
8017 | for_each_sched_entity_bl(se, cfs_rq)
| ^
| ;
8018 | update_cfs_rq_h_load(group_cfs_rq(se), se, cfs_rq);
| ~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c: In function 'dequeue_hierarchy':
kernel/sched/fair.c:461:34: error: assignment to 'struct cfs_rq *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
461 | for (; (se) && ((cfs_rq) = cfs_of_of(se)); (se) = NULL)
| ^
kernel/sched/fair.c:8134:9: note: in expansion of macro 'for_each_sched_entity'
8134 | for_each_sched_entity(se, cfs_rq) {
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:8162:45: error: expected ';' before 'update_cfs_rq_h_load'
8162 | for_each_sched_entity_bl(se, cfs_rq)
| ^
| ;
8163 | update_cfs_rq_h_load(group_cfs_rq(se), se, cfs_rq);
| ~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c: In function 'task_tick_fair':
kernel/sched/fair.c:461:34: error: assignment to 'struct cfs_rq *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
461 | for (; (se) && ((cfs_rq) = cfs_of_of(se)); (se) = NULL)
| ^
kernel/sched/fair.c:15087:17: note: in expansion of macro 'for_each_sched_entity'
15087 | for_each_sched_entity(se, cfs_rq) {
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:15096:61: error: expected ';' before 'update_cfs_rq_h_load'
15096 | for_each_sched_entity_bl(se, cfs_rq)
| ^
| ;
15097 | update_cfs_rq_h_load(group_cfs_rq(se), se, cfs_rq);
| ~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c: In function 'set_next_task_fair':
kernel/sched/fair.c:461:34: error: assignment to 'struct cfs_rq *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
461 | for (; (se) && ((cfs_rq) = cfs_of_of(se)); (se) = NULL)
| ^
kernel/sched/fair.c:15278:9: note: in expansion of macro 'for_each_sched_entity'
15278 | for_each_sched_entity(se, cfs_rq) {
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:15312:45: error: expected ';' before 'update_cfs_rq_h_load'
15312 | for_each_sched_entity_bl(se, cfs_rq)
| ^
| ;
15313 | update_cfs_rq_h_load(group_cfs_rq(se), se, cfs_rq);
| ~~~~~~~~~~~~~~~~~~~~
vim +8017 kernel/sched/fair.c
7981
7982 static unsigned long enqueue_hierarchy(struct task_struct *p, int flags)
7983 {
7984 unsigned long weight = NICE_0_LOAD;
7985 int task_new = !(flags & ENQUEUE_WAKEUP);
7986 struct sched_entity *se = &p->se;
7987 int h_nr_idle = task_has_idle_policy(p);
7988 int h_nr_runnable = 1;
7989 struct cfs_rq *cfs_rq;
7990
7991 if (task_new && se->sched_delayed)
7992 h_nr_runnable = 0;
7993
> 7994 for_each_sched_entity(se, cfs_rq) {
7995 update_curr(cfs_rq);
7996
7997 if (!se->on_rq) {
7998 enqueue_entity(cfs_rq, se, flags);
7999 } else {
8000 update_load_avg(cfs_rq, se, UPDATE_TG);
8001 se_update_runnable(se);
8002 update_cfs_group(se);
8003 }
8004
8005 cfs_rq->h_nr_runnable += h_nr_runnable;
8006 cfs_rq->h_nr_queued++;
8007 cfs_rq->h_nr_idle += h_nr_idle;
8008
8009 if (cfs_rq_is_idle(cfs_rq))
8010 h_nr_idle = 1;
8011
8012 weight = __calc_prop_weight(cfs_rq, se, weight);
8013
8014 flags = ENQUEUE_WAKEUP;
8015 }
8016
> 8017 for_each_sched_entity_bl(se, cfs_rq)
8018 update_cfs_rq_h_load(group_cfs_rq(se), se, cfs_rq);
8019
8020 return weight;
8021 }
8022
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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