Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'sched_ext-for-6.17-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
Pull sched_ext fixes from Tejun Heo:
- Fix a subtle bug during SCX enabling where a dead task skips init
but doesn't skip sched class switch leading to invalid task state
transition warning
- Cosmetic fix in selftests
* tag 'sched_ext-for-6.17-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
selftests/sched_ext: Remove duplicate sched.h header
sched/ext: Fix invalid task state transitions on class switch
+4
-1
+4
kernel/sched/ext.c
+4
kernel/sched/ext.c
···
5749
5749
__setscheduler_class(p->policy, p->prio);
5750
5750
struct sched_enq_and_set_ctx ctx;
5751
5751
5752
+
if (!tryget_task_struct(p))
5753
+
continue;
5754
+
5752
5755
if (old_class != new_class && p->se.sched_delayed)
5753
5756
dequeue_task(task_rq(p), p, DEQUEUE_SLEEP | DEQUEUE_DELAYED);
5754
5757
···
5764
5761
sched_enq_and_set_task(&ctx);
5765
5762
5766
5763
check_class_changed(task_rq(p), p, old_class, p->prio);
5764
+
put_task_struct(p);
5767
5765
}
5768
5766
scx_task_iter_stop(&sti);
5769
5767
percpu_up_write(&scx_fork_rwsem);