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authorThomas Gleixner <tglx@linutronix.de>2009-11-17 14:28:38 +0100
committerThomas Gleixner <tglx@linutronix.de>2009-12-14 23:55:33 +0100
commit05fa785cf80c9b7c0254c3056037147aed3ea16b (patch)
tree3d5c69d449b9240dc6d1005dddf344e467de4f34 /kernel/sched_idletask.c
parenta26724591edba5acc528d41f3906a972590e8f54 (diff)
downloadblackbird-op-linux-05fa785cf80c9b7c0254c3056037147aed3ea16b.tar.gz
blackbird-op-linux-05fa785cf80c9b7c0254c3056037147aed3ea16b.zip
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>
Diffstat (limited to 'kernel/sched_idletask.c')
-rw-r--r--kernel/sched_idletask.c4
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)
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