Merge branch 'velocity' of git://electric-eye.fr.zoreil.com/home/romieu/linux-2.6...

[linux-2.6] / kernel / hrtimer.c

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 49cbf7cffebd1e75c8142b180c472f7f1f0a786c..b7f0388bd71c80d32eb29f79b0c0319705a8bd7c 100644 (file)
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -501,6 +501,7 @@ int hrtimer_cancel(struct hrtimer *timer)
 
                if (ret >= 0)
                        return ret;
+               cpu_relax();
        }
 }
 
@@ -606,6 +607,9 @@ static inline void run_hrtimer_queue(struct hrtimer_base *base)
 {
        struct rb_node *node;
 
+       if (!base->first)
+               return;
+
        if (base->get_softirq_time)
                base->softirq_time = base->get_softirq_time();
 
@@ -832,7 +836,7 @@ static void migrate_hrtimers(int cpu)
 }
 #endif /* CONFIG_HOTPLUG_CPU */
 
-static int __devinit hrtimer_cpu_notify(struct notifier_block *self,
+static int hrtimer_cpu_notify(struct notifier_block *self,
                                        unsigned long action, void *hcpu)
 {
        long cpu = (long)hcpu;
@@ -856,7 +860,7 @@ static int __devinit hrtimer_cpu_notify(struct notifier_block *self,
        return NOTIFY_OK;
 }
 
-static struct notifier_block __devinitdata hrtimers_nb = {
+static struct notifier_block hrtimers_nb = {
        .notifier_call = hrtimer_cpu_notify,
 };