040000 tree 2e26f5db3439122424dfc869fd6ee301a0427033	firewire
040000 tree fd18600e1d8bd65396c4559ea6b13c71099cf523	perf
040000 tree 71f87db9ce9c542b66fa3b8b1023e07a2808b063	usb
040000 tree b5cda5db7cac7c1a6108f2c382267ade7a7bd819	virtio