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hrtimer: convert kernel/* to the new hrtimer apis

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In order to be able to do range hrtimers we need to use accessor functions
to the "expire" member of the hrtimer struct.
This patch converts kernel/* to these accessors.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
This commit is contained in:
Arjan van de Ven
2008-09-01 15:02:30 -07:00
parent 23dd7bb09b
commit cc584b213f
8 changed files with 47 additions and 52 deletions
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21
kernel/time/tick-sched.c
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@ -288,7 +288,7 @@ void tick_nohz_stop_sched_tick(int inidle)
goto out;
}
ts->idle_tick = ts->sched_timer.expires;
ts->idle_tick = hrtimer_get_expires(&ts->sched_timer);
ts->tick_stopped = 1;
ts->idle_jiffies = last_jiffies;
rcu_enter_nohz();
@ -419,21 +419,21 @@ void tick_nohz_restart_sched_tick(void)
ts->tick_stopped = 0;
ts->idle_exittime = now;
hrtimer_cancel(&ts->sched_timer);
ts->sched_timer.expires = ts->idle_tick;
hrtimer_set_expires(&ts->sched_timer, ts->idle_tick);
while (1) {
/* Forward the time to expire in the future */
hrtimer_forward(&ts->sched_timer, now, tick_period);
if (ts->nohz_mode == NOHZ_MODE_HIGHRES) {
hrtimer_start(&ts->sched_timer,
ts->sched_timer.expires,
hrtimer_start_expires(&ts->sched_timer,
HRTIMER_MODE_ABS);
/* Check, if the timer was already in the past */
if (hrtimer_active(&ts->sched_timer))
break;
} else {
if (!tick_program_event(ts->sched_timer.expires, 0))
if (!tick_program_event(
hrtimer_get_expires(&ts->sched_timer), 0))
break;
}
/* Update jiffies and reread time */
@ -446,7 +446,7 @@ void tick_nohz_restart_sched_tick(void)
static int tick_nohz_reprogram(struct tick_sched *ts, ktime_t now)
{
hrtimer_forward(&ts->sched_timer, now, tick_period);
return tick_program_event(ts->sched_timer.expires, 0);
return tick_program_event(hrtimer_get_expires(&ts->sched_timer), 0);
}
/*
@ -529,7 +529,7 @@ static void tick_nohz_switch_to_nohz(void)
next = tick_init_jiffy_update();
for (;;) {
ts->sched_timer.expires = next;
hrtimer_set_expires(&ts->sched_timer, next);
if (!tick_program_event(next, 0))
break;
next = ktime_add(next, tick_period);
@ -625,16 +625,15 @@ void tick_setup_sched_timer(void)
ts->sched_timer.cb_mode = HRTIMER_CB_IRQSAFE_NO_SOFTIRQ;
/* Get the next period (per cpu) */
ts->sched_timer.expires = tick_init_jiffy_update();
hrtimer_set_expires(&ts->sched_timer, tick_init_jiffy_update());
offset = ktime_to_ns(tick_period) >> 1;
do_div(offset, num_possible_cpus());
offset *= smp_processor_id();
ts->sched_timer.expires = ktime_add_ns(ts->sched_timer.expires, offset);
hrtimer_add_expires_ns(&ts->sched_timer, offset);
for (;;) {
hrtimer_forward(&ts->sched_timer, now, tick_period);
hrtimer_start(&ts->sched_timer, ts->sched_timer.expires,
HRTIMER_MODE_ABS);
hrtimer_start_expires(&ts->sched_timer, HRTIMER_MODE_ABS);
/* Check, if the timer was already in the past */
if (hrtimer_active(&ts->sched_timer))
break;