Support for running PVH guests

modulename: enlighten.ko

and/or

head.ko

configname: CONFIG_PVH

Linux Kernel Configuration
└─>Processor type and features
└─>Linux guest support
└─>Support for running PVH guests
In linux kernel since version 5 (release Date: 2019-03-03)  
This option enables the PVH entry point for guest virtual machines
as specified in the x86/HVM direct boot ABI.

source code:
arch/x86/platform/pvh/enlighten.c

is depended by
CONFIG_XEN_PVH