sched: Convert rq->lock to raw_spinlock

Convert locks which cannot be sleeping locks in preempt-rt to
raw_spinlocks.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 2 deletions

diff --git a/kernel/sched_idletask.c b/kernel/sched_idletask.c
index 33d5384a73a8..5f93b570d383 100644
--- a/kernel/sched_idletask.c
+++ b/kernel/sched_idletask.c
@@ -34,10 +34,10 @@ static struct task_struct *pick_next_task_idle(struct rq *rq)
 static void
 dequeue_task_idle(struct rq *rq, struct task_struct *p, int sleep)
 {
-        spin_unlock_irq(&rq->lock);
+        raw_spin_unlock_irq(&rq->lock);
         printk(KERN_ERR "bad: scheduling from the idle thread!\n");
         dump_stack();
-        spin_lock_irq(&rq->lock);
+        raw_spin_lock_irq(&rq->lock);
 }
 
 static void put_prev_task_idle(struct rq *rq, struct task_struct *prev)