040000 tree a2225b2a2be4b7494518c1ac41541a2d23a9b973	arch
040000 tree 7f03794acfc0636c6fdc45314919b0e9b4b2979e	hftest
040000 tree 0a5ba7bd64910b380d8d96c552848286046cd668	linux
040000 tree 7c5462e842401d2ddae54e963c8be65287134ef8	vmapi