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kernel: sched: Do not force preempt when k_sched_unlock()
The scheduler lock is a nestable lock. Unlocking a nested, still-having, lock shouldn't preempt the current thread. k_sched_lock(); k_sched_lock(); k_sched_unlock(); /* <--- this shouldn't be a scheduling point */ k_sched_unlock(); /* <--- this is a scheduling point */ This commit changes the preempt_ok argument from 1 to 0. This let should_preempt() check whether it should preempt at the point or not. This fixes #17869. Signed-off-by: Yasushi SHOJI <email@example.com>
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