Merge branch 'linus' into timers/nohz

2 files changed, 7 insertions, 3 deletions

diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index 57a1f02e5ec0..f48d0f09d32f 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -30,6 +30,7 @@
 struct tick_device tick_broadcast_device;
 static cpumask_t tick_broadcast_mask;
 static DEFINE_SPINLOCK(tick_broadcast_lock);
+static int tick_broadcast_force;
 
 #ifdef CONFIG_TICK_ONESHOT
 static void tick_broadcast_clear_oneshot(int cpu);
@@ -232,10 +233,11 @@ static void tick_do_broadcast_on_off(void *why)
                                                      CLOCK_EVT_MODE_SHUTDOWN);
                 }
                 if (*reason == CLOCK_EVT_NOTIFY_BROADCAST_FORCE)
-                        dev->features |= CLOCK_EVT_FEAT_DUMMY;
+                        tick_broadcast_force = 1;
                 break;
         case CLOCK_EVT_NOTIFY_BROADCAST_OFF:
-                if (cpu_isset(cpu, tick_broadcast_mask)) {
+                if (!tick_broadcast_force &&
+                    cpu_isset(cpu, tick_broadcast_mask)) {
                         cpu_clear(cpu, tick_broadcast_mask);
                         if (td->mode == TICKDEV_MODE_PERIODIC)
                                 tick_setup_periodic(dev, 0);
@@ -266,7 +268,7 @@ void tick_broadcast_on_off(unsigned long reason, int *oncpu)
                        "offline CPU #%d\n", *oncpu);
         else
                 smp_call_function_single(*oncpu, tick_do_broadcast_on_off,
-                                         &reason, 1, 1);
+                                         &reason, 1);
 }
 
 /*
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index ee962d11107b..a5c26d2b1323 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -289,6 +289,7 @@ void tick_nohz_stop_sched_tick(int inidle)
                         ts->tick_stopped = 1;
                         ts->idle_jiffies = last_jiffies;
                         rcu_enter_nohz();
+                        sched_clock_tick_stop(cpu);
                 }
 
                 /*
@@ -391,6 +392,7 @@ void tick_nohz_restart_sched_tick(void)
         select_nohz_load_balancer(0);
         now = ktime_get();
         tick_do_update_jiffies64(now);
+        sched_clock_tick_start(cpu);
         cpu_clear(cpu, nohz_cpu_mask);
 
         /*