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-rw-r--r--arch/arm/kernel/irq.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 2d5896b3618..ec20f8935e8 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -52,7 +52,7 @@
*/
#define MAX_IRQ_CNT 100000
-static int noirqdebug;
+static int noirqdebug __read_mostly;
static volatile unsigned long irq_err_count;
static DEFINE_SPINLOCK(irq_controller_lock);
static LIST_HEAD(irq_pending);
@@ -81,7 +81,7 @@ irqreturn_t no_action(int irq, void *dev_id, struct pt_regs *regs)
void do_bad_IRQ(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
{
- irq_err_count += 1;
+ irq_err_count++;
printk(KERN_ERR "IRQ: spurious interrupt %d\n", irq);
}
@@ -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