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-rw-r--r--kernel/time/tick-broadcast.c8
1 files changed, 5 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 @@
30struct tick_device tick_broadcast_device; 30struct tick_device tick_broadcast_device;
31static cpumask_t tick_broadcast_mask; 31static cpumask_t tick_broadcast_mask;
32static DEFINE_SPINLOCK(tick_broadcast_lock); 32static DEFINE_SPINLOCK(tick_broadcast_lock);
33static int tick_broadcast_force;
33 34
34#ifdef CONFIG_TICK_ONESHOT 35#ifdef CONFIG_TICK_ONESHOT
35static void tick_broadcast_clear_oneshot(int cpu); 36static void tick_broadcast_clear_oneshot(int cpu);
@@ -232,10 +233,11 @@ static void tick_do_broadcast_on_off(void *why)
232 CLOCK_EVT_MODE_SHUTDOWN); 233 CLOCK_EVT_MODE_SHUTDOWN);
233 } 234 }
234 if (*reason == CLOCK_EVT_NOTIFY_BROADCAST_FORCE) 235 if (*reason == CLOCK_EVT_NOTIFY_BROADCAST_FORCE)
235 dev->features |= CLOCK_EVT_FEAT_DUMMY; 236 tick_broadcast_force = 1;
236 break; 237 break;
237 case CLOCK_EVT_NOTIFY_BROADCAST_OFF: 238 case CLOCK_EVT_NOTIFY_BROADCAST_OFF:
238 if (cpu_isset(cpu, tick_broadcast_mask)) { 239 if (!tick_broadcast_force &&
240 cpu_isset(cpu, tick_broadcast_mask)) {
239 cpu_clear(cpu, tick_broadcast_mask); 241 cpu_clear(cpu, tick_broadcast_mask);
240 if (td->mode == TICKDEV_MODE_PERIODIC) 242 if (td->mode == TICKDEV_MODE_PERIODIC)
241 tick_setup_periodic(dev, 0); 243 tick_setup_periodic(dev, 0);
@@ -266,7 +268,7 @@ void tick_broadcast_on_off(unsigned long reason, int *oncpu)
266 "offline CPU #%d\n", *oncpu); 268 "offline CPU #%d\n", *oncpu);
267 else 269 else
268 smp_call_function_single(*oncpu, tick_do_broadcast_on_off, 270 smp_call_function_single(*oncpu, tick_do_broadcast_on_off,
269 &reason, 1, 1); 271 &reason, 1);
270} 272}
271 273
272/* 274/*