1. A processor to execute a virtual machine monitor on a host machine, the virtual machine monitor to control operation of guest software executing on a virtual machine, the processor comprising: execution logic to execute an instruction to transfer control of the processor from the virtual machine monitor to the guest software; and a control register to store a first pointer to a base of a page directory table in guest physical memory, the first pointer to be combined with a first plurality of bits of a guest virtual address to form a first guest physical address of a page directory entry in the page directory table during execution of the guest software on the virtual machine, the first guest physical address to be translated through a plurality of extended page tables to form a first host physical address of the page directory entry during execution of the guest software on the virtual machine.