diff options
Diffstat (limited to 'kernel/softirq.c')
| -rw-r--r-- | kernel/softirq.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c index 14d7758074aa..b5197dcb0dad 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -329,6 +329,19 @@ static inline void invoke_softirq(void) wakeup_softirqd(); } +static inline void tick_irq_exit(void) +{ +#ifdef CONFIG_NO_HZ_COMMON + int cpu = smp_processor_id(); + + /* Make sure that timer wheel updates are propagated */ + if ((idle_cpu(cpu) && !need_resched()) || tick_nohz_full_cpu(cpu)) { + if (!in_interrupt()) + tick_nohz_irq_exit(); + } +#endif +} + /* * Exit an interrupt context. Process softirqs if needed and possible: */ @@ -346,11 +359,7 @@ void irq_exit(void) if (!in_interrupt() && local_softirq_pending()) invoke_softirq(); -#ifdef CONFIG_NO_HZ - /* Make sure that timer wheel updates are propagated */ - if (idle_cpu(smp_processor_id()) && !in_interrupt() && !need_resched()) - tick_nohz_irq_exit(); -#endif + tick_irq_exit(); rcu_irq_exit(); } @@ -620,8 +629,7 @@ static void remote_softirq_receive(void *data) unsigned long flags; int softirq; - softirq = cp->priv; - + softirq = *(int *)cp->info; local_irq_save(flags); __local_trigger(cp, softirq); local_irq_restore(flags); @@ -631,9 +639,8 @@ static int __try_remote_softirq(struct call_single_data *cp, int cpu, int softir { if (cpu_online(cpu)) { cp->func = remote_softirq_receive; - cp->info = cp; + cp->info = &softirq; cp->flags = 0; - cp->priv = softirq; __smp_call_function_single(cpu, cp, 0); return 0; |