Charlie Jacobsen authored Jun 17, 2014 and Vikram Narayanan committed Oct 25, 2016

vmx_free_ept
-- frees all memory associated with extended
   page tables (paging structures and mapped
   physical mem)

vmx_free_ept_dir_level
-- frees all memory associated with an epte
   at a level in the hierarchy
-- uses shallow recursion to make the code
   more readable

Simple updates to some of the EPT macros.