diff options
Diffstat (limited to 'arch/x86_64/kernel/irq.c')
-rw-r--r-- | arch/x86_64/kernel/irq.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/irq.c b/arch/x86_64/kernel/irq.c index cc3fb85f514..849a20aec7c 100644 --- a/arch/x86_64/kernel/irq.c +++ b/arch/x86_64/kernel/irq.c @@ -135,3 +135,22 @@ void fixup_irqs(cpumask_t map) local_irq_disable(); } #endif + +extern void call_softirq(void); + +asmlinkage void do_softirq(void) +{ + __u32 pending; + unsigned long flags; + + if (in_interrupt()) + return; + + local_irq_save(flags); + pending = local_softirq_pending(); + /* Switch to interrupt stack */ + if (pending) + call_softirq(); + local_irq_restore(flags); +} +EXPORT_SYMBOL(do_softirq); |