From 05fa785cf80c9b7c0254c3056037147aed3ea16b Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 17 Nov 2009 14:28:38 +0100 Subject: 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 Acked-by: Peter Zijlstra Acked-by: Ingo Molnar --- kernel/sched_idletask.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'kernel/sched_idletask.c') 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) -- cgit v1.2.3