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Subject[PATCH 04/16] hrtimer: remove 'base' parameter from remove_timer() and __remove_timer()
Date
clock 'base' can be obtained easily by doing timer->base and remove_timer()/
__remove_timer() never gets anything else than timer->base as its parameter.
Which means, these routines doesn't require this parameter. Remove it.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
kernel/hrtimer.c | 30 ++++++++++++++----------------
1 file changed, 14 insertions(+), 16 deletions(-)

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 675fe9e..343fe99 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -883,10 +883,11 @@ static int enqueue_hrtimer(struct hrtimer *timer,
* reprogram to zero. This is useful, when the context does a reprogramming
* anyway (e.g. timer interrupt)
*/
-static void __remove_hrtimer(struct hrtimer *timer,
- struct hrtimer_clock_base *base,
- unsigned long newstate, int reprogram)
+static void __remove_hrtimer(struct hrtimer *timer, unsigned long newstate,
+ int reprogram)
{
+ struct hrtimer_clock_base *base = timer->base;
+
if (!(timer->state & HRTIMER_STATE_ENQUEUED))
goto out;

@@ -909,11 +910,8 @@ out:
timer->state = newstate;
}

-/*
- * remove hrtimer, called with base lock held
- */
-static inline int
-remove_hrtimer(struct hrtimer *timer, struct hrtimer_clock_base *base)
+/* remove hrtimer, called with base lock held */
+static inline int remove_hrtimer(struct hrtimer *timer)
{
if (hrtimer_is_queued(timer)) {
unsigned long state;
@@ -929,14 +927,15 @@ remove_hrtimer(struct hrtimer *timer, struct hrtimer_clock_base *base)
*/
debug_deactivate(timer);
timer_stats_hrtimer_clear_start_info(timer);
- reprogram = base->cpu_base == &__get_cpu_var(hrtimer_bases);
+ reprogram =
+ timer->base->cpu_base == &__get_cpu_var(hrtimer_bases);
/*
* We must preserve the CALLBACK state flag here,
* otherwise we could move the timer base in
* switch_hrtimer_base.
*/
state = timer->state & HRTIMER_STATE_CALLBACK;
- __remove_hrtimer(timer, base, state, reprogram);
+ __remove_hrtimer(timer, state, reprogram);
return 1;
}
return 0;
@@ -953,7 +952,7 @@ int __hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,
base = lock_hrtimer_base(timer, &flags);

/* Remove an active timer from the queue: */
- ret = remove_hrtimer(timer, base);
+ ret = remove_hrtimer(timer);

/* Switch the timer base, if necessary: */
new_base = switch_hrtimer_base(timer, base, mode & HRTIMER_MODE_PINNED);
@@ -1055,14 +1054,13 @@ EXPORT_SYMBOL_GPL(hrtimer_start);
*/
int hrtimer_try_to_cancel(struct hrtimer *timer)
{
- struct hrtimer_clock_base *base;
unsigned long flags;
int ret = -1;

- base = lock_hrtimer_base(timer, &flags);
+ lock_hrtimer_base(timer, &flags);

if (!hrtimer_callback_running(timer))
- ret = remove_hrtimer(timer, base);
+ ret = remove_hrtimer(timer);

unlock_hrtimer_base(timer, &flags);

@@ -1218,7 +1216,7 @@ static void __run_hrtimer(struct hrtimer *timer, ktime_t *now)
WARN_ON(!irqs_disabled());

debug_deactivate(timer);
- __remove_hrtimer(timer, base, HRTIMER_STATE_CALLBACK, 0);
+ __remove_hrtimer(timer, HRTIMER_STATE_CALLBACK, 0);
timer_stats_account_hrtimer(timer);
fn = timer->function;

@@ -1663,7 +1661,7 @@ static void migrate_hrtimer_list(struct hrtimer_clock_base *old_base,
* timer could be seen as !active and just vanish away
* under us on another CPU
*/
- __remove_hrtimer(timer, old_base, HRTIMER_STATE_MIGRATE, 0);
+ __remove_hrtimer(timer, HRTIMER_STATE_MIGRATE, 0);
timer->base = new_base;
/*
* Enqueue the timers on the new cpu. This does not
--
1.7.12.rc2.18.g61b472e


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