Revert "kthread: Ensure task isn't preempted before dequeue in kthread_parkme"



The right fix to address the issue has been pulled from upstream commit
"<9cd4f1a4e7a8> smp/hotplug: Move unparking of percpu threads to the
control CPU"

Change-Id: I3721ae1b7c8718c35fca1b7c7ef53ce80044d0cf
Signed-off-by: Channagoud Kadabi <ckadabi@codeaurora.org>

parent ceb354b1

kernel/kthread.c

+1 −3

Original line number	Diff line number	Diff line
		@@ -160,11 +160,9 @@ static void __kthread_parkme(struct kthread *self)
		{
		__set_current_state(TASK_PARKED);
		while (test_bit(KTHREAD_SHOULD_PARK, &self->flags)) {
		preempt_disable();
		if (!test_and_set_bit(KTHREAD_IS_PARKED, &self->flags))
		complete(&self->parked);
		schedule_preempt_disabled();
		preempt_enable();
		schedule();
		__set_current_state(TASK_PARKED);
		}
		clear_bit(KTHREAD_IS_PARKED, &self->flags);