1 files changed, 18 insertions, 2 deletions

diff --git a/kernel/timer.c b/kernel/timer.c
index 883773788836..9e49deed468c 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -541,6 +541,22 @@ found:
         }
         spin_unlock(&base->lock);
 
+        /*
+         * It can happen that other CPUs service timer IRQs and increment
+         * jiffies, but we have not yet got a local timer tick to process
+         * the timer wheels.  In that case, the expiry time can be before
+         * jiffies, but since the high-resolution timer here is relative to
+         * jiffies, the default expression when high-resolution timers are
+         * not active,
+         *
+         *   time_before(MAX_JIFFY_OFFSET + jiffies, expires)
+         *
+         * would falsely evaluate to true.  If that is the case, just
+         * return jiffies so that we can immediately fire the local timer
+         */
+        if (time_before(expires, jiffies))
+                return jiffies;
+
         if (time_before(hr_expires, expires))
                 return hr_expires;
 
@@ -1314,7 +1330,7 @@ static void __devinit migrate_timers(int cpu)
 }
 #endif /* CONFIG_HOTPLUG_CPU */
 
-static int __devinit timer_cpu_notify(struct notifier_block *self, 
+static int timer_cpu_notify(struct notifier_block *self,
                                 unsigned long action, void *hcpu)
 {
         long cpu = (long)hcpu;
@@ -1334,7 +1350,7 @@ static int __devinit timer_cpu_notify(struct notifier_block *self,
         return NOTIFY_OK;
 }
 
-static struct notifier_block __devinitdata timers_nb = {
+static struct notifier_block timers_nb = {
         .notifier_call  = timer_cpu_notify,
 };