Merge commit 'v2.6.29-rc1' into timers/hrtimers

[linux-2.6-omap-h63xx.git] / kernel / time / tick-common.c

diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 63e05d423a09903907558d7d2aba661f5b426db6..21a5ca849514b40b689c5b34e2c9caaf9cbf051b 100644 (file)
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -273,6 +273,21 @@ out_bc:
        return ret;
 }
 
+/*
+ * Transfer the do_timer job away from a dying cpu.
+ *
+ * Called with interrupts disabled.
+ */
+static void tick_handover_do_timer(int *cpup)
+{
+       if (*cpup == tick_do_timer_cpu) {
+               int cpu = cpumask_first(cpu_online_mask);
+
+               tick_do_timer_cpu = (cpu < nr_cpu_ids) ? cpu :
+                       TICK_DO_TIMER_NONE;
+       }
+}
+
 /*
  * Shutdown an event device on a given cpu:
  *
@@ -297,13 +312,6 @@ static void tick_shutdown(unsigned int *cpup)
                clockevents_exchange_device(dev, NULL);
                td->evtdev = NULL;
        }
-       /* Transfer the do_timer job away from this cpu */
-       if (*cpup == tick_do_timer_cpu) {
-               int cpu = cpumask_first(cpu_online_mask);
-
-               tick_do_timer_cpu = (cpu < nr_cpu_ids) ? cpu :
-                       TICK_DO_TIMER_NONE;
-       }
        spin_unlock_irqrestore(&tick_device_lock, flags);
 }
 
@@ -357,6 +365,10 @@ static int tick_notify(struct notifier_block *nb, unsigned long reason,
                tick_broadcast_oneshot_control(reason);
                break;
 
+       case CLOCK_EVT_NOTIFY_CPU_DYING:
+               tick_handover_do_timer(dev);
+               break;
+
        case CLOCK_EVT_NOTIFY_CPU_DEAD:
                tick_shutdown_broadcast_oneshot(dev);
                tick_shutdown_broadcast(dev);