040000 tree a2225b2a2be4b7494518c1ac41541a2d23a9b973	arch
040000 tree 5e881e1110dfd341de64ed9a01a92c4255f5639b	hftest
040000 tree 0a5ba7bd64910b380d8d96c552848286046cd668	linux
040000 tree 23b7d2239562b66b1d04844dcfc039a6d936f7b5	vmapi