🚀 go-pugleaf

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: 1:      for (;;) {
: 2:              spin_unlock(&desc->lock);
: 3:              handle_IRQ_event(irq, &regs, action);
: 4:              spin_lock(&desc->lock);
: 5:              if (!(desc->status & IRQ_PENDING))
: 6:                      break;
: 7:              desc->status &= ~IRQ_PENDING;
:         }
: 9:      desc->status &= ~IRQ_INPROGRESS;
: /*��Ȼ��5:�жϺ�break�����ģ�9:�б�Ҫ����һ��ô��*/
: out:
: ...................

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