diff options
Diffstat (limited to 'kernel/softirq.c')
| -rw-r--r-- | kernel/softirq.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c index b4d252fd195b..aa82723c7202 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -323,18 +323,10 @@ void irq_enter(void) static inline void invoke_softirq(void) { - if (!force_irqthreads) { -#ifdef __ARCH_IRQ_EXIT_IRQS_DISABLED + if (!force_irqthreads) __do_softirq(); -#else - do_softirq(); -#endif - } else { - __local_bh_disable((unsigned long)__builtin_return_address(0), - SOFTIRQ_OFFSET); + else wakeup_softirqd(); - __local_bh_enable(SOFTIRQ_OFFSET); - } } /* @@ -342,9 +334,15 @@ static inline void invoke_softirq(void) */ void irq_exit(void) { +#ifndef __ARCH_IRQ_EXIT_IRQS_DISABLED + local_irq_disable(); +#else + WARN_ON_ONCE(!irqs_disabled()); +#endif + account_irq_exit_time(current); trace_hardirq_exit(); - sub_preempt_count(IRQ_EXIT_OFFSET); + sub_preempt_count(HARDIRQ_OFFSET); if (!in_interrupt() && local_softirq_pending()) invoke_softirq(); @@ -354,7 +352,6 @@ void irq_exit(void) tick_nohz_irq_exit(); #endif rcu_irq_exit(); - sched_preempt_enable_no_resched(); } /* @@ -623,8 +620,7 @@ 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); @@ -634,9 +630,8 @@ 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; |