Commit c1979b8f authored Apr 19, 2018 by Maria Yu

sched: Allow __sched_setscheduler call from interrupt context if not pi



BUG() is only needed for pi case which needed
call to a rtmutex function and grab a spin_lock.
While in pi case is a simplified logic to normalize
tasks, it is safe to be called from interrupt
context.

CRs-Fixed: 2101157
Change-Id: Icdcb9356692fc30d7b5af40f816381df5b0f0d58
Signed-off-by: Maria Yu <aiquny@codeaurora.org>

parent 9efa0593

kernel/sched/core.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -4293,6 +4293,7 @@ static int __sched_setscheduler(struct task_struct *p,
		struct rq *rq;

		/* may grab non-irq protected spin_locks */
		if (pi)
		BUG_ON(in_interrupt());
		recheck:
		/* double check policy once rq lock held */