diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2009-11-17 14:28:38 +0100 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2009-12-14 23:55:33 +0100 |
commit | 05fa785cf80c9b7c0254c3056037147aed3ea16b (patch) | |
tree | 3d5c69d449b9240dc6d1005dddf344e467de4f34 /kernel/sched_rt.c | |
parent | a26724591edba5acc528d41f3906a972590e8f54 (diff) | |
download | op-kernel-dev-05fa785cf80c9b7c0254c3056037147aed3ea16b.zip op-kernel-dev-05fa785cf80c9b7c0254c3056037147aed3ea16b.tar.gz |
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_rt.c')
-rw-r--r-- | kernel/sched_rt.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index aecbd9c..a8325a7 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -454,9 +454,9 @@ static void disable_runtime(struct rq *rq) { unsigned long flags; - spin_lock_irqsave(&rq->lock, flags); + raw_spin_lock_irqsave(&rq->lock, flags); __disable_runtime(rq); - spin_unlock_irqrestore(&rq->lock, flags); + raw_spin_unlock_irqrestore(&rq->lock, flags); } static void __enable_runtime(struct rq *rq) @@ -486,9 +486,9 @@ static void enable_runtime(struct rq *rq) { unsigned long flags; - spin_lock_irqsave(&rq->lock, flags); + raw_spin_lock_irqsave(&rq->lock, flags); __enable_runtime(rq); - spin_unlock_irqrestore(&rq->lock, flags); + raw_spin_unlock_irqrestore(&rq->lock, flags); } static int balance_runtime(struct rt_rq *rt_rq) @@ -524,7 +524,7 @@ static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun) struct rt_rq *rt_rq = sched_rt_period_rt_rq(rt_b, i); struct rq *rq = rq_of_rt_rq(rt_rq); - spin_lock(&rq->lock); + raw_spin_lock(&rq->lock); if (rt_rq->rt_time) { u64 runtime; @@ -545,7 +545,7 @@ static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun) if (enqueue) sched_rt_rq_enqueue(rt_rq); - spin_unlock(&rq->lock); + raw_spin_unlock(&rq->lock); } return idle; @@ -1246,7 +1246,7 @@ static struct rq *find_lock_lowest_rq(struct task_struct *task, struct rq *rq) task_running(rq, task) || !task->se.on_rq)) { - spin_unlock(&lowest_rq->lock); + raw_spin_unlock(&lowest_rq->lock); lowest_rq = NULL; break; } |