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-rw-r--r--arch/arm/kernel/irq.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 2d5896b36181..bcc19fbb32df 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -342,10 +342,10 @@ __do_irq(unsigned int irq, struct irqaction *action, struct pt_regs *regs)
#ifdef CONFIG_NO_IDLE_HZ
if (!(action->flags & SA_TIMER) && system_timer->dyn_tick != NULL) {
- write_seqlock(&xtime_lock);
+ spin_lock(&system_timer->dyn_tick->lock);
if (system_timer->dyn_tick->state & DYN_TICK_ENABLED)
system_timer->dyn_tick->handler(irq, 0, regs);
- write_sequnlock(&xtime_lock);
+ spin_unlock(&system_timer->dyn_tick->lock);
}
#endif
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