040000 tree a2225b2a2be4b7494518c1ac41541a2d23a9b973	arch
040000 tree ec49e81d2be4b81d5121ff4ef61c06f7d0b57f8d	hftest
040000 tree 0a5ba7bd64910b380d8d96c552848286046cd668	linux
040000 tree d0e2f4cc030897d42f574c6fba47e306722ffafc	vmapi