Before:
	root@ubuntu:~# cat /proc/interrupts
	           CPU0
	  1:       1672    lguest-<NULL>    virtio0
	  2:          1    lguest-<NULL>    virtio1
	  ...
After:
	root@ubuntu:~# cat /proc/interrupts
	           CPU0
	  1:       2889    lguest-level     virtio0
	  2:          9    lguest-level     virtio1
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
                int vector = FIRST_EXTERNAL_VECTOR + i;
                if (vector != SYSCALL_VECTOR) {
                        set_intr_gate(vector, interrupt[i]);
-                       set_irq_chip_and_handler(i, &lguest_irq_controller,
-                                                handle_level_irq);
+                       set_irq_chip_and_handler_name(i, &lguest_irq_controller,
+                                                     handle_level_irq,
+                                                     "level");
                }
        }
        /* This call is required to set up for 4k stacks, where we have