040000 tree a2225b2a2be4b7494518c1ac41541a2d23a9b973	arch
040000 tree 04befbe7f2e0e63209764ed9fcdb55fd507bdc33	hftest
040000 tree 0a5ba7bd64910b380d8d96c552848286046cd668	linux
040000 tree 0c66bc4376f4c590ffcc3182029e74f818f6902e	vmapi