4 files changed, 6 insertions, 12 deletions

diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index be9abf32c0b9..88fb3b96c7cc 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -655,10 +655,6 @@ int clockevents_notify(unsigned long reason, void *arg)
         raw_spin_lock_irqsave(&clockevents_lock, flags);
 
         switch (reason) {
-        case CLOCK_EVT_NOTIFY_CPU_DYING:
-                tick_handover_do_timer(arg);
-                break;
-
         case CLOCK_EVT_NOTIFY_CPU_DEAD:
                 tick_shutdown_broadcast_oneshot(arg);
                 tick_shutdown_broadcast(arg);
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 721d29b99d10..6a7a64ec7d1b 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -1707,10 +1707,6 @@ static int hrtimer_cpu_notify(struct notifier_block *self,
                 break;
 
 #ifdef CONFIG_HOTPLUG_CPU
-        case CPU_DYING:
-        case CPU_DYING_FROZEN:
-                clockevents_notify(CLOCK_EVT_NOTIFY_CPU_DYING, &scpu);
-                break;
         case CPU_DEAD:
         case CPU_DEAD_FROZEN:
         {
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index e28ba5c044c5..055c868f3ec9 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -332,20 +332,23 @@ out_bc:
         tick_install_broadcast_device(newdev);
 }
 
+#ifdef CONFIG_HOTPLUG_CPU
 /*
  * Transfer the do_timer job away from a dying cpu.
  *
- * Called with interrupts disabled.
+ * Called with interrupts disabled. Not locking required. If
+ * tick_do_timer_cpu is owned by this cpu, nothing can change it.
  */
-void tick_handover_do_timer(int *cpup)
+void tick_handover_do_timer(void)
 {
-        if (*cpup == tick_do_timer_cpu) {
+        if (tick_do_timer_cpu == smp_processor_id()) {
                 int cpu = cpumask_first(cpu_online_mask);
 
                 tick_do_timer_cpu = (cpu < nr_cpu_ids) ? cpu :
                         TICK_DO_TIMER_NONE;
         }
 }
+#endif
 
 /*
  * Shutdown an event device on a given cpu:
diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h
index 0266f9dbd114..aabcb5d00cf2 100644
--- a/kernel/time/tick-internal.h
+++ b/kernel/time/tick-internal.h
@@ -20,7 +20,6 @@ extern int tick_do_timer_cpu __read_mostly;
 extern void tick_setup_periodic(struct clock_event_device *dev, int broadcast);
 extern void tick_handle_periodic(struct clock_event_device *dev);
 extern void tick_check_new_device(struct clock_event_device *dev);
-extern void tick_handover_do_timer(int *cpup);
 extern void tick_shutdown(unsigned int *cpup);
 extern void tick_suspend(void);
 extern void tick_resume(void);