040000 tree a2225b2a2be4b7494518c1ac41541a2d23a9b973	arch
040000 tree 000589516422fda988bda65345f16eb48b68a8e0	hftest
040000 tree 0a5ba7bd64910b380d8d96c552848286046cd668	linux
040000 tree 98a81c9b66e45d930a2f86131c44148ec667225d	vmapi