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Diffstat (limited to 'kernel/hrtimer.c')
-rw-r--r--kernel/hrtimer.c23
1 files changed, 7 insertions, 16 deletions
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 01fa2ae98a85..8d3dc29ef41a 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -98,7 +98,6 @@ static DEFINE_PER_CPU(struct hrtimer_base, hrtimer_bases[MAX_HRTIMER_BASES]) =
/**
* ktime_get_ts - get the monotonic clock in timespec format
- *
* @ts: pointer to timespec variable
*
* The function calculates the monotonic clock from the realtime
@@ -238,7 +237,6 @@ lock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags)
# ifndef CONFIG_KTIME_SCALAR
/**
* ktime_add_ns - Add a scalar nanoseconds value to a ktime_t variable
- *
* @kt: addend
* @nsec: the scalar nsec value to add
*
@@ -299,7 +297,6 @@ void unlock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags)
/**
* hrtimer_forward - forward the timer expiry
- *
* @timer: hrtimer to forward
* @now: forward past this time
* @interval: the interval to forward
@@ -393,7 +390,7 @@ static void __remove_hrtimer(struct hrtimer *timer, struct hrtimer_base *base)
if (base->first == &timer->node)
base->first = rb_next(&timer->node);
rb_erase(&timer->node, &base->active);
- timer->node.rb_parent = HRTIMER_INACTIVE;
+ rb_set_parent(&timer->node, &timer->node);
}
/*
@@ -411,7 +408,6 @@ remove_hrtimer(struct hrtimer *timer, struct hrtimer_base *base)
/**
* hrtimer_start - (re)start an relative timer on the current CPU
- *
* @timer: the timer to be added
* @tim: expiry time
* @mode: expiry mode: absolute (HRTIMER_ABS) or relative (HRTIMER_REL)
@@ -460,14 +456,13 @@ EXPORT_SYMBOL_GPL(hrtimer_start);
/**
* hrtimer_try_to_cancel - try to deactivate a timer
- *
* @timer: hrtimer to stop
*
* Returns:
* 0 when the timer was not active
* 1 when the timer was active
* -1 when the timer is currently excuting the callback function and
- * can not be stopped
+ * cannot be stopped
*/
int hrtimer_try_to_cancel(struct hrtimer *timer)
{
@@ -489,7 +484,6 @@ EXPORT_SYMBOL_GPL(hrtimer_try_to_cancel);
/**
* hrtimer_cancel - cancel a timer and wait for the handler to finish.
- *
* @timer: the timer to be cancelled
*
* Returns:
@@ -510,7 +504,6 @@ EXPORT_SYMBOL_GPL(hrtimer_cancel);
/**
* hrtimer_get_remaining - get remaining time for the timer
- *
* @timer: the timer to read
*/
ktime_t hrtimer_get_remaining(const struct hrtimer *timer)
@@ -564,7 +557,6 @@ ktime_t hrtimer_get_next_event(void)
/**
* hrtimer_init - initialize a timer to the given clock
- *
* @timer: the timer to be initialized
* @clock_id: the clock to be used
* @mode: timer mode abs/rel
@@ -576,19 +568,18 @@ void hrtimer_init(struct hrtimer *timer, clockid_t clock_id,
memset(timer, 0, sizeof(struct hrtimer));
- bases = per_cpu(hrtimer_bases, raw_smp_processor_id());
+ bases = __raw_get_cpu_var(hrtimer_bases);
if (clock_id == CLOCK_REALTIME && mode != HRTIMER_ABS)
clock_id = CLOCK_MONOTONIC;
timer->base = &bases[clock_id];
- timer->node.rb_parent = HRTIMER_INACTIVE;
+ rb_set_parent(&timer->node, &timer->node);
}
EXPORT_SYMBOL_GPL(hrtimer_init);
/**
* hrtimer_get_res - get the timer resolution for a clock
- *
* @which_clock: which clock to query
* @tp: pointer to timespec variable to store the resolution
*
@@ -599,7 +590,7 @@ int hrtimer_get_res(const clockid_t which_clock, struct timespec *tp)
{
struct hrtimer_base *bases;
- bases = per_cpu(hrtimer_bases, raw_smp_processor_id());
+ bases = __raw_get_cpu_var(hrtimer_bases);
*tp = ktime_to_timespec(bases[which_clock].resolution);
return 0;
@@ -842,7 +833,7 @@ static void migrate_hrtimers(int cpu)
}
#endif /* CONFIG_HOTPLUG_CPU */
-static int hrtimer_cpu_notify(struct notifier_block *self,
+static int __devinit hrtimer_cpu_notify(struct notifier_block *self,
unsigned long action, void *hcpu)
{
long cpu = (long)hcpu;
@@ -866,7 +857,7 @@ static int hrtimer_cpu_notify(struct notifier_block *self,
return NOTIFY_OK;
}
-static struct notifier_block hrtimers_nb = {
+static struct notifier_block __devinitdata hrtimers_nb = {
.notifier_call = hrtimer_cpu_notify,
};