clockevents: prevent cpu online to interfere with nohz
[linux-2.6.git] / kernel / time / tick-sched.c
index a87b046..31a14e8 100644 (file)
@@ -221,7 +221,7 @@ void tick_nohz_stop_sched_tick(int inidle)
         */
        if (unlikely(!cpu_online(cpu))) {
                if (cpu == tick_do_timer_cpu)
-                       tick_do_timer_cpu = -1;
+                       tick_do_timer_cpu = TICK_DO_TIMER_NONE;
        }
 
        if (unlikely(ts->nohz_mode == NOHZ_MODE_INACTIVE))
@@ -303,7 +303,7 @@ void tick_nohz_stop_sched_tick(int inidle)
                 * invoked.
                 */
                if (cpu == tick_do_timer_cpu)
-                       tick_do_timer_cpu = -1;
+                       tick_do_timer_cpu = TICK_DO_TIMER_NONE;
 
                ts->idle_sleeps++;
 
@@ -468,7 +468,7 @@ static void tick_nohz_handler(struct clock_event_device *dev)
         * this duty, then the jiffies update is still serialized by
         * xtime_lock.
         */
-       if (unlikely(tick_do_timer_cpu == -1))
+       if (unlikely(tick_do_timer_cpu == TICK_DO_TIMER_NONE))
                tick_do_timer_cpu = cpu;
 
        /* Check, if the jiffies need an update */
@@ -570,7 +570,7 @@ static enum hrtimer_restart tick_sched_timer(struct hrtimer *timer)
         * this duty, then the jiffies update is still serialized by
         * xtime_lock.
         */
-       if (unlikely(tick_do_timer_cpu == -1))
+       if (unlikely(tick_do_timer_cpu == TICK_DO_TIMER_NONE))
                tick_do_timer_cpu = cpu;
 #endif