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040000 tree 21a9feeea9d3ea2b81da27dad8b2da44ce58eb17	hyperv
040000 tree a35974703522eb919b7103663a4cd411f1ecaef6	linux
040000 tree ef361f39892c7602ef024138e4a0670667fa2f27	smbios
040000 tree f64340605eacdef21839509ea320779c1b4c3391	xen