Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[profile/ivi/kernel-x86-ivi.git] / kernel / timer.c

diff --git a/kernel/timer.c b/kernel/timer.c
index 2454172..d61d16d 100644 (file)
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -577,6 +577,19 @@ static void __init_timer(struct timer_list *timer,
        lockdep_init_map(&timer->lockdep_map, name, key, 0);
 }
 
+void setup_deferrable_timer_on_stack_key(struct timer_list *timer,
+                                        const char *name,
+                                        struct lock_class_key *key,
+                                        void (*function)(unsigned long),
+                                        unsigned long data)
+{
+       timer->function = function;
+       timer->data = data;
+       init_timer_on_stack_key(timer, name, key);
+       timer_set_deferrable(timer);
+}
+EXPORT_SYMBOL_GPL(setup_deferrable_timer_on_stack_key);
+
 /**
  * init_timer_key - initialize a timer
  * @timer: the timer to be initialized
@@ -679,12 +692,8 @@ __mod_timer(struct timer_list *timer, unsigned long expires,
        cpu = smp_processor_id();
 
 #if defined(CONFIG_NO_HZ) && defined(CONFIG_SMP)
-       if (!pinned && get_sysctl_timer_migration() && idle_cpu(cpu)) {
-               int preferred_cpu = get_nohz_load_balancer();
-
-               if (preferred_cpu >= 0)
-                       cpu = preferred_cpu;
-       }
+       if (!pinned && get_sysctl_timer_migration() && idle_cpu(cpu))
+               cpu = get_nohz_timer_target();
 #endif
        new_base = per_cpu(tvec_bases, cpu);
 
@@ -1289,7 +1298,6 @@ void run_local_timers(void)
 {
        hrtimer_run_queues();
        raise_softirq(TIMER_SOFTIRQ);
-       softlockup_tick();
 }
 
 /*
@@ -1717,7 +1725,7 @@ void __init init_timers(void)
 
        init_timer_stats();
 
-       BUG_ON(err == NOTIFY_BAD);
+       BUG_ON(err != NOTIFY_OK);
        register_cpu_notifier(&timers_nb);
        open_softirq(TIMER_SOFTIRQ, run_timer_softirq);
 }