linux_kernel/arch/arm64/kvm/Kconfig

#
# KVM configuration
#

source "virt/kvm/Kconfig"

menuconfig VIRTUALIZATION
	bool "Virtualization"
	---help---
	  Say Y here to get to see options for using your Linux host to run
	  other operating systems inside virtual machines (guests).
	  This option alone does not add any kernel code.

	  If you say N, all options in this submenu will be skipped and
	  disabled.

if VIRTUALIZATION

config KVM
	bool "Kernel-based Virtual Machine (KVM) support"
	select MMU_NOTIFIER
	select PREEMPT_NOTIFIERS
	select ANON_INODES
	select HAVE_KVM_CPU_RELAX_INTERCEPT
	select KVM_MMIO
	select KVM_ARM_HOST
	select KVM_ARM_VGIC
	select KVM_ARM_TIMER
	---help---
	  Support hosting virtualized guest machines.

	  If unsure, say N.

config KVM_ARM_HOST
	bool
	---help---
	  Provides host support for ARM processors.

config KVM_ARM_VGIC
	bool
	depends on KVM_ARM_HOST && OF
	select HAVE_KVM_IRQCHIP
	---help---
	  Adds support for a hardware assisted, in-kernel GIC emulation.

config KVM_ARM_TIMER
	bool
	depends on KVM_ARM_VGIC
	---help---
	  Adds support for the Architected Timers in virtual machines.

endif # VIRTUALIZATION