diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/time/tick-sched.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 99aa6ee3908..f654a8a298f 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -225,6 +225,20 @@ static DEFINE_PER_CPU(struct irq_work, nohz_full_kick_work) = { }; /* + * Kick this CPU if it's full dynticks in order to force it to + * re-evaluate its dependency on the tick and restart it if necessary. + * This kick, unlike tick_nohz_full_kick_cpu() and tick_nohz_full_kick_all(), + * is NMI safe. + */ +void tick_nohz_full_kick(void) +{ + if (!tick_nohz_full_cpu(smp_processor_id())) + return; + + irq_work_queue(&__get_cpu_var(nohz_full_kick_work)); +} + +/* * Kick the CPU if it's full dynticks in order to force it to * re-evaluate its dependency on the tick and restart it if necessary. */ |