/branches/rcu/kernel/arch/ppc64/src/interrupt.c |
---|
60,11 → 60,19 |
int inum; |
while ((inum = pic_get_pending()) != -1) { |
bool ack = false; |
irq_t *irq = irq_dispatch_and_lock(inum); |
if (irq) { |
/* |
* The IRQ handler was found. |
*/ |
if (irq->preack) { |
/* Acknowledge the interrupt before processing */ |
pic_ack_interrupt(inum); |
ack = true; |
} |
irq->handler(irq, irq->arg); |
spinlock_unlock(&irq->lock); |
} else { |
75,6 → 83,8 |
printf("cpu%d: spurious interrupt (inum=%d)\n", CPU->id, inum); |
#endif |
} |
if (!ack) |
pic_ack_interrupt(inum); |
} |
} |