Microsoft Hyper-V Utilities driver

modulename: hv_utils.ko

configname: CONFIG_HYPERV_UTILS

Linux Kernel Configuration
└─>Device Drivers
└─>Microsoft Hyper-V guest support
└─>Connector - unified userspace <-> kernelspace linker
└─>Microsoft Hyper-V Utilities driver
In linux kernel since version 2.6.35 (release Date: 2010-08-01)  
Select this option to enable the Hyper-V Utilities.

source code: