Merge branches 'stable/balloon.cleanup' and 'stable/general.cleanup' of git://git...
[pandora-kernel.git] / kernel / time / tick-broadcast.c
index a3b5aff..723c763 100644 (file)
@@ -18,7 +18,6 @@
 #include <linux/percpu.h>
 #include <linux/profile.h>
 #include <linux/sched.h>
-#include <linux/tick.h>
 
 #include "tick-internal.h"
 
@@ -523,10 +522,11 @@ static void tick_broadcast_init_next_event(struct cpumask *mask,
  */
 void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
 {
+       int cpu = smp_processor_id();
+
        /* Set it up only once ! */
        if (bc->event_handler != tick_handle_oneshot_broadcast) {
                int was_periodic = bc->mode == CLOCK_EVT_MODE_PERIODIC;
-               int cpu = smp_processor_id();
 
                bc->event_handler = tick_handle_oneshot_broadcast;
                clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT);
@@ -552,6 +552,15 @@ void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
                        tick_broadcast_set_event(tick_next_period, 1);
                } else
                        bc->next_event.tv64 = KTIME_MAX;
+       } else {
+               /*
+                * The first cpu which switches to oneshot mode sets
+                * the bit for all other cpus which are in the general
+                * (periodic) broadcast mask. So the bit is set and
+                * would prevent the first broadcast enter after this
+                * to program the bc device.
+                */
+               tick_broadcast_clear_oneshot(cpu);
        }
 }