040000 tree a2225b2a2be4b7494518c1ac41541a2d23a9b973	arch
040000 tree 5e881e1110dfd341de64ed9a01a92c4255f5639b	hftest
040000 tree 0a5ba7bd64910b380d8d96c552848286046cd668	linux
040000 tree cee8e8cf3d4919bc5b972b1425780e906ea2725b	vmapi