diff options
Diffstat (limited to 'kernel/softirq.c')
-rw-r--r-- | kernel/softirq.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c index 14d7758074aa..51a09d56e78b 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c | |||
@@ -329,6 +329,19 @@ static inline void invoke_softirq(void) | |||
329 | wakeup_softirqd(); | 329 | wakeup_softirqd(); |
330 | } | 330 | } |
331 | 331 | ||
332 | static inline void tick_irq_exit(void) | ||
333 | { | ||
334 | #ifdef CONFIG_NO_HZ_COMMON | ||
335 | int cpu = smp_processor_id(); | ||
336 | |||
337 | /* Make sure that timer wheel updates are propagated */ | ||
338 | if ((idle_cpu(cpu) && !need_resched()) || tick_nohz_full_cpu(cpu)) { | ||
339 | if (!in_interrupt()) | ||
340 | tick_nohz_irq_exit(); | ||
341 | } | ||
342 | #endif | ||
343 | } | ||
344 | |||
332 | /* | 345 | /* |
333 | * Exit an interrupt context. Process softirqs if needed and possible: | 346 | * Exit an interrupt context. Process softirqs if needed and possible: |
334 | */ | 347 | */ |
@@ -346,11 +359,7 @@ void irq_exit(void) | |||
346 | if (!in_interrupt() && local_softirq_pending()) | 359 | if (!in_interrupt() && local_softirq_pending()) |
347 | invoke_softirq(); | 360 | invoke_softirq(); |
348 | 361 | ||
349 | #ifdef CONFIG_NO_HZ | 362 | tick_irq_exit(); |
350 | /* Make sure that timer wheel updates are propagated */ | ||
351 | if (idle_cpu(smp_processor_id()) && !in_interrupt() && !need_resched()) | ||
352 | tick_nohz_irq_exit(); | ||
353 | #endif | ||
354 | rcu_irq_exit(); | 363 | rcu_irq_exit(); |
355 | } | 364 | } |
356 | 365 | ||