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-rw-r--r--kernel/softirq.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c
index aa82723..b5197dc 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -329,6 +329,19 @@ static inline void invoke_softirq(void)
wakeup_softirqd();
}
+static inline void tick_irq_exit(void)
+{
+#ifdef CONFIG_NO_HZ_COMMON
+ int cpu = smp_processor_id();
+
+ /* Make sure that timer wheel updates are propagated */
+ if ((idle_cpu(cpu) && !need_resched()) || tick_nohz_full_cpu(cpu)) {
+ if (!in_interrupt())
+ tick_nohz_irq_exit();
+ }
+#endif
+}
+
/*
* Exit an interrupt context. Process softirqs if needed and possible:
*/
@@ -346,11 +359,7 @@ void irq_exit(void)
if (!in_interrupt() && local_softirq_pending())
invoke_softirq();
-#ifdef CONFIG_NO_HZ
- /* Make sure that timer wheel updates are propagated */
- if (idle_cpu(smp_processor_id()) && !in_interrupt() && !need_resched())
- tick_nohz_irq_exit();
-#endif
+ tick_irq_exit();
rcu_irq_exit();
}
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