X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=kernel%2Ftimer.c;h=1a69705c2fb95536dc67c82479fcff315c0e0e1e;hb=f79224ca2754e903b695bd91176a9bedbb306324;hp=ba41af2bb6cc27d16d9526e181d225bf5398151c;hpb=8524070b7982d76258942275908b7434cfcab4b4;p=mv-sheeva.git

diff --git a/kernel/timer.c b/kernel/timer.c
index ba41af2bb6c..1a69705c2fb 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -629,7 +629,7 @@ static inline void __run_timers(tvec_base_t *base)
 			void (*fn)(unsigned long);
 			unsigned long data;
 
-			timer = list_entry(head->next,struct timer_list,entry);
+			timer = list_first_entry(head, struct timer_list,entry);
  			fn = timer->function;
  			data = timer->data;
 
@@ -666,7 +666,7 @@ static inline void __run_timers(tvec_base_t *base)
 static unsigned long __next_timer_interrupt(tvec_base_t *base)
 {
 	unsigned long timer_jiffies = base->timer_jiffies;
-	unsigned long expires = timer_jiffies + (LONG_MAX >> 1);
+	unsigned long expires = timer_jiffies + NEXT_TIMER_MAX_DELTA;
 	int index, slot, array, found = 0;
 	struct timer_list *nte;
 	tvec_t *varray[4];
@@ -752,6 +752,14 @@ static unsigned long cmp_next_hrtimer_event(unsigned long now,
 
 	tsdelta = ktime_to_timespec(hr_delta);
 	delta = timespec_to_jiffies(&tsdelta);
+
+	/*
+	 * Limit the delta to the max value, which is checked in
+	 * tick_nohz_stop_sched_tick():
+	 */
+	if (delta > NEXT_TIMER_MAX_DELTA)
+		delta = NEXT_TIMER_MAX_DELTA;
+
 	/*
 	 * Take rounding errors in to account and make sure, that it
 	 * expires in the next tick. Otherwise we go into an endless
@@ -1248,7 +1256,7 @@ static void migrate_timer_list(tvec_base_t *new_base, struct list_head *head)
 	struct timer_list *timer;
 
 	while (!list_empty(head)) {
-		timer = list_entry(head->next, struct timer_list, entry);
+		timer = list_first_entry(head, struct timer_list, entry);
 		detach_timer(timer, 0);
 		timer_set_base(timer, new_base);
 		internal_add_timer(new_base, timer);
@@ -1293,11 +1301,13 @@ static int __cpuinit timer_cpu_notify(struct notifier_block *self,
 	long cpu = (long)hcpu;
 	switch(action) {
 	case CPU_UP_PREPARE:
+	case CPU_UP_PREPARE_FROZEN:
 		if (init_timers_cpu(cpu) < 0)
 			return NOTIFY_BAD;
 		break;
 #ifdef CONFIG_HOTPLUG_CPU
 	case CPU_DEAD:
+	case CPU_DEAD_FROZEN:
 		migrate_timers(cpu);
 		break;
 #endif