diff options
| -rw-r--r-- | kernel/latencytop.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/kernel/latencytop.c b/kernel/latencytop.c index ca07c5c0c914..34311e1d0572 100644 --- a/kernel/latencytop.c +++ b/kernel/latencytop.c @@ -59,7 +59,7 @@ #include <linux/slab.h> #include <linux/stacktrace.h> -static DEFINE_SPINLOCK(latency_lock); +static DEFINE_ATOMIC_SPINLOCK(latency_lock); #define MAXLR 128 static struct latency_record latency_record[MAXLR]; @@ -73,19 +73,19 @@ void clear_all_latency_tracing(struct task_struct *p) if (!latencytop_enabled) return; - spin_lock_irqsave(&latency_lock, flags); + atomic_spin_lock_irqsave(&latency_lock, flags); memset(&p->latency_record, 0, sizeof(p->latency_record)); p->latency_record_count = 0; - spin_unlock_irqrestore(&latency_lock, flags); + atomic_spin_unlock_irqrestore(&latency_lock, flags); } static void clear_global_latency_tracing(void) { unsigned long flags; - spin_lock_irqsave(&latency_lock, flags); + atomic_spin_lock_irqsave(&latency_lock, flags); memset(&latency_record, 0, sizeof(latency_record)); - spin_unlock_irqrestore(&latency_lock, flags); + atomic_spin_unlock_irqrestore(&latency_lock, flags); } static void __sched @@ -191,7 +191,7 @@ __account_scheduler_latency(struct task_struct *tsk, int usecs, int inter) lat.max = usecs; store_stacktrace(tsk, &lat); - spin_lock_irqsave(&latency_lock, flags); + atomic_spin_lock_irqsave(&latency_lock, flags); account_global_scheduler_latency(tsk, &lat); @@ -233,7 +233,7 @@ __account_scheduler_latency(struct task_struct *tsk, int usecs, int inter) memcpy(&tsk->latency_record[i], &lat, sizeof(struct latency_record)); out_unlock: - spin_unlock_irqrestore(&latency_lock, flags); + atomic_spin_unlock_irqrestore(&latency_lock, flags); } static int lstats_show(struct seq_file *m, void *v) |