subarch r5k-ip22 cpuinfo r5k-ip22.cpuinfo majors 2.6 flavour r5k-ip22 kernel-2.6 linux-image-r4k-ip22 usable \ linux-image-r4k-ip22 unusable \ linux-image-4kc-malta \ linux-image-5kc-malta \ linux-image-octeon \ linux-image-r5k-ip32 \ linux-image-sb1-bcm91250a \ linux-image-sb1a-bcm91480b