> * don't know where it is, there's no way to
> * reinstate it later - so the computer will have to
> * be rebooted when we're done. */
> free_irq(1, NULL);
> /* Request IRQ 1, the keyboard IRQ, to go to our irq_handler. */
> return request_irq(
> 1, /* The number of the keyboard IRQ on PCs */
> irq_handler, /* our handler */
> SA_SHIRQ,
> /* SA_SHIRQ means we're willing to have othe
> * handlers on this IRQ.
> *
> * SA_INTERRUPT can be used to make the
> * handler into a fast interrupt. */
> "test_keyboard_irq_handler", NULL);
>}
>/* Cleanup */
>void cleanup_module() {
> /* This is only here for completeness. It's totally
> * irrelevant, since we don't have a way to restore
> * the normal keyboard interrupt so the computer
> * is completely useless and has to be rebooted. */
> free_irq(1, NULL);
>}
