10 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/core-sched
head: b417ddaf222294bcc35e9857105ab37d9b0fd715
commit: 7841ce54261f3c407cf52de13712261521ae9403 [27/29] sched: Cgroup core-scheduling
interface
config: mips-randconfig-r024-20210415 (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
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
#
https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?...
git remote add peterz-queue
https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue sched/core-sched
git checkout 7841ce54261f3c407cf52de13712261521ae9403
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
kernel/sched/core.c: In function 'ttwu_stat':
kernel/sched/core.c:3232:13: warning: variable 'rq' set but not used
[-Wunused-but-set-variable]
3232 | struct rq *rq;
| ^~
kernel/sched/core.c: In function 'sched_free_group':
kernel/sched/core.c:9359:2: error: implicit declaration of function
'sched_core_cgroup_free'; did you mean 'sched_core_free'?
[-Werror=implicit-function-declaration]
9359 | sched_core_cgroup_free(tg);
| ^~~~~~~~~~~~~~~~~~~~~~
| sched_core_free
kernel/sched/core.c: In function 'sched_online_group':
kernel/sched/core.c:9404:2: error: implicit declaration of function
'sched_core_cgroup_online' [-Werror=implicit-function-declaration]
9404 | sched_core_cgroup_online(parent, tg);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/core.c: In function 'sched_move_task':
> kernel/sched/core.c:9497:11: error: implicit declaration of
function 'sched_core_cgroup_cookie' [-Werror=implicit-function-declaration]
9497 | cookie = sched_core_cgroup_cookie(tsk->sched_task_group);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/core.c:9498:11: error: implicit declaration of function
'sched_core_update_cookie' [-Werror=implicit-function-declaration]
9498 | cookie = sched_core_update_cookie(tsk, cookie);
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/core.c:9499:2: error: implicit declaration of function
'sched_core_put_cookie' [-Werror=implicit-function-declaration]
9499 | sched_core_put_cookie(cookie);
| ^~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/sched_core_cgroup_cookie +9497 kernel/sched/core.c
9454
9455 /*
9456 * Change task's runqueue when it moves between groups.
9457 *
9458 * The caller of this function should have put the task in its new group by
9459 * now. This function just updates tsk->se.cfs_rq and tsk->se.parent to
reflect
9460 * its new group.
9461 */
9462 void sched_move_task(struct task_struct *tsk)
9463 {
9464 int queued, running, queue_flags =
9465 DEQUEUE_SAVE | DEQUEUE_MOVE | DEQUEUE_NOCLOCK;
9466 unsigned long cookie;
9467 struct rq_flags rf;
9468 struct rq *rq;
9469
9470 rq = task_rq_lock(tsk, &rf);
9471 update_rq_clock(rq);
9472
9473 running = task_current(rq, tsk);
9474 queued = task_on_rq_queued(tsk);
9475
9476 if (queued)
9477 dequeue_task(rq, tsk, queue_flags);
9478 if (running)
9479 put_prev_task(rq, tsk);
9480
9481 sched_change_group(tsk, TASK_MOVE_GROUP);
9482
9483 if (queued)
9484 enqueue_task(rq, tsk, queue_flags);
9485 if (running) {
9486 set_next_task(rq, tsk);
9487 /*
9488 * After changing group, the running task may have joined a
9489 * throttled one but it's still the running task. Trigger a
9490 * resched to make sure that task can still run.
9491 */
9492 resched_curr(rq);
9493 }
9494
9495 task_rq_unlock(rq, tsk, &rf);
9496
9497 cookie = sched_core_cgroup_cookie(tsk->sched_task_group);
9498 cookie = sched_core_update_cookie(tsk, cookie);
9499 sched_core_put_cookie(cookie);
9500 }
9501
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org