timers/nohz: Last resort update jiffies on nohz_full IRQ entry

[linux-2.6-microblaze.git] / kernel / softirq.c

diff --git a/kernel/softirq.c b/kernel/softirq.c
index 322b65d..41f4709 100644 (file)
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -595,7 +595,8 @@ void irq_enter_rcu(void)
 {
        __irq_enter_raw();
 
-       if (is_idle_task(current) && (irq_count() == HARDIRQ_OFFSET))
+       if (tick_nohz_full_cpu(smp_processor_id()) ||
+           (is_idle_task(current) && (irq_count() == HARDIRQ_OFFSET)))
                tick_irq_enter();
 
        account_hardirq_enter(current);