Hi lijianzhong,
FYI, the error/warning still remains.
tree:
https://android.googlesource.com/kernel/common android12-5.10
head: 129e04dc199ef790bd0c2bd31e8d9ae909e44b57
commit: 54f66141a8834e27601fe594d68a97db01bb86b6 [8046/13750] ANDROID: sched: Add vendor
hooks for sched.
config: arm-randconfig-r026-20211014 (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
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
git remote add android-common
https://android.googlesource.com/kernel/common
git fetch --no-tags android-common android12-5.10
git checkout 54f66141a8834e27601fe594d68a97db01bb86b6
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
> kernel/sched/fair.c:4424:6: warning: no previous prototype for
'set_next_entity' [-Wmissing-prototypes]
4424 | void
set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
| ^~~~~~~~~~~~~~~
kernel/sched/fair.c:5408:6: warning: no previous prototype for
'init_cfs_bandwidth' [-Wmissing-prototypes]
5408 | void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) {}
| ^~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:11341:6: warning: no previous prototype for
'free_fair_sched_group' [-Wmissing-prototypes]
11341 | void free_fair_sched_group(struct task_group *tg) { }
| ^~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:11343:5: warning: no previous prototype for
'alloc_fair_sched_group' [-Wmissing-prototypes]
11343 | int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent)
| ^~~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:11348:6: warning: no previous prototype for
'online_fair_sched_group' [-Wmissing-prototypes]
11348 | void online_fair_sched_group(struct task_group *tg) { }
| ^~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:11350:6: warning: no previous prototype for
'unregister_fair_sched_group' [-Wmissing-prototypes]
11350 | void unregister_fair_sched_group(struct task_group *tg) { }
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/set_next_entity +4424 kernel/sched/fair.c
4423
4424 void set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity
*se)
4425 {
4426 /* 'current' is not kept within the tree. */
4427 if (se->on_rq) {
4428 /*
4429 * Any task has to be enqueued before it get to execute on
4430 * a CPU. So account for the time it spent waiting on the
4431 * runqueue.
4432 */
4433 update_stats_wait_end(cfs_rq, se);
4434 __dequeue_entity(cfs_rq, se);
4435 update_load_avg(cfs_rq, se, UPDATE_TG);
4436 }
4437
4438 update_stats_curr_start(cfs_rq, se);
4439 cfs_rq->curr = se;
4440
4441 /*
4442 * Track our maximum slice length, if the CPU's load is at
4443 * least twice that of our own weight (i.e. dont track it
4444 * when there are only lesser-weight tasks around):
4445 */
4446 if (schedstat_enabled() &&
4447 rq_of(cfs_rq)->cfs.load.weight >= 2*se->load.weight) {
4448 schedstat_set(se->statistics.slice_max,
4449 max((u64)schedstat_val(se->statistics.slice_max),
4450 se->sum_exec_runtime - se->prev_sum_exec_runtime));
4451 }
4452
4453 se->prev_sum_exec_runtime = se->sum_exec_runtime;
4454 }
4455 EXPORT_SYMBOL_GPL(set_next_entity);
4456
4457
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org