һ��do_IRQ()��

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#56

From: xianai
Date: Wed, 13 Mar 2002 08:56

19 lines
1241 bytes

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:
        desc->handler->end(irq);
        spin_unlock(&desc->lock);


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From: xianai.bbs@smth.org (xianai)
Newsgroups: cn.bbs.comp.unix.programming.kernel
Subject: һ��do_IRQ()������
Date: 13 Mar 2002 08:56:40 GMT
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һ��do_IRQ()������

һ��do_IRQ()��