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Diffstat (limited to 'kernel/time/hrtimer.c')
-rw-r--r--kernel/time/hrtimer.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 80fe3749d2db..f6d8df94045c 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -1067,11 +1067,10 @@ EXPORT_SYMBOL_GPL(hrtimer_forward);
* The timer is inserted in expiry order. Insertion into the
* red black tree is O(log(n)). Must hold the base lock.
*
- * Returns 1 when the new timer is the leftmost timer in the tree.
+ * Returns true when the new timer is the leftmost timer in the tree.
*/
-static int enqueue_hrtimer(struct hrtimer *timer,
- struct hrtimer_clock_base *base,
- enum hrtimer_mode mode)
+static bool enqueue_hrtimer(struct hrtimer *timer, struct hrtimer_clock_base *base,
+ enum hrtimer_mode mode)
{
debug_activate(timer, mode);
WARN_ON_ONCE(!base->cpu_base->online);
@@ -2202,6 +2201,15 @@ int hrtimers_prepare_cpu(unsigned int cpu)
}
cpu_base->cpu = cpu;
+ hrtimer_cpu_base_init_expiry_lock(cpu_base);
+ return 0;
+}
+
+int hrtimers_cpu_starting(unsigned int cpu)
+{
+ struct hrtimer_cpu_base *cpu_base = this_cpu_ptr(&hrtimer_bases);
+
+ /* Clear out any left over state from a CPU down operation */
cpu_base->active_bases = 0;
cpu_base->hres_active = 0;
cpu_base->hang_detected = 0;
@@ -2210,7 +2218,6 @@ int hrtimers_prepare_cpu(unsigned int cpu)
cpu_base->expires_next = KTIME_MAX;
cpu_base->softirq_expires_next = KTIME_MAX;
cpu_base->online = 1;
- hrtimer_cpu_base_init_expiry_lock(cpu_base);
return 0;
}
@@ -2286,5 +2293,6 @@ int hrtimers_cpu_dying(unsigned int dying_cpu)
void __init hrtimers_init(void)
{
hrtimers_prepare_cpu(smp_processor_id());
+ hrtimers_cpu_starting(smp_processor_id());
open_softirq(HRTIMER_SOFTIRQ, hrtimer_run_softirq);
}