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timers: Identifying the existing pinned timers

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* Arun R Bharadwaj <arun@linux.vnet.ibm.com> [2009-04-16 12:11:36]:

The following pinned hrtimers have been identified and marked:
1)sched_rt_period_timer
2)tick_sched_timer
3)stack_trace_timer_fn

[ tglx: fixup the hrtimer pinned mode ]

Signed-off-by: Arun R Bharadwaj <arun@linux.vnet.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Arun R Bharadwaj
2009-04-16 12:14:37 +05:30
committed by Thomas Gleixner
parent 597d027573
commit 5c333864a6
4 changed files with 9 additions and 7 deletions
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4
kernel/sched.c
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@@ -244,7 +244,7 @@ static void start_rt_bandwidth(struct rt_bandwidth *rt_b)
hard = hrtimer_get_expires(&rt_b->rt_period_timer);
delta = ktime_to_ns(ktime_sub(hard, soft));
__hrtimer_start_range_ns(&rt_b->rt_period_timer, soft, delta,
HRTIMER_MODE_ABS, 0);
HRTIMER_MODE_ABS_PINNED, 0);
}
spin_unlock(&rt_b->rt_runtime_lock);
}
@@ -1154,7 +1154,7 @@ static __init void init_hrtick(void)
static void hrtick_start(struct rq *rq, u64 delay)
{
__hrtimer_start_range_ns(&rq->hrtick_timer, ns_to_ktime(delay), 0,
HRTIMER_MODE_REL, 0);
HRTIMER_MODE_REL_PINNED, 0);
}
static inline void init_hrtick(void)