CONFIG_SYS_HYPERVISOR (not configurable)

modulename: hypervisor.ko

configname: CONFIG_SYS_HYPERVISOR

Linux Kernel Configuration
└─>Device Drivers
└─>Generic Driver Options
└─>SYS_HYPERVISOR
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
source code:
drivers/base//hypervisor.c