INT_PS2_KEYBOARD
status = install_io_interrupt_handler(INT_PS2_KEYBOARD, &ps2_interrupt,
remove_io_interrupt_handler(INT_PS2_KEYBOARD, &ps2_interrupt, NULL);
remove_io_interrupt_handler(INT_PS2_KEYBOARD, &ps2_interrupt, NULL);
if (line != INT_PS2_KEYBOARD || !sKeyboardHandlerInstalled)
remove_io_interrupt_handler(INT_PS2_KEYBOARD, &debug_keyboard_interrupt,
install_io_interrupt_handler(INT_PS2_KEYBOARD, &debug_keyboard_interrupt,