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# SPDX-License-Identifier: GPL-2.0
#
# KVM configuration
#
source "virt/kvm/Kconfig"
menuconfig VIRTUALIZATION
def_bool y
prompt "KVM"
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
def_tristate y
prompt "Kernel-based Virtual Machine (KVM) support"
select HAVE_KVM_CPU_RELAX_INTERCEPT
select KVM_ASYNC_PF
select KVM_ASYNC_PF_SYNC
select KVM_COMMON
select HAVE_KVM_IRQCHIP
select HAVE_KVM_IRQ_ROUTING
select KVM_VFIO
select VIRT_XFER_TO_GUEST_WORK
select KVM_MMU_LOCKLESS_AGING
select KVM_GENERIC_PRE_FAULT_MEMORY
help
Enable support for hosting virtualized, hardware-accelerated
virtual machines via two modules: kvm and kvm_arm64.
The kvm module provides access to host hardware-accelerated s390
guests using the Start Interpretive Execution (SIE) instruction via a
character device node named /dev/kvm. This requires a 64-bit machine
(hardware model).
The kvm_arm64 module provides access to host hardware-accelerated
arm64 guests using the Start ARM Execution (SAE) instruction via a
character device node named /dev/kvm_arm64. This requires hardware
models that support the Arm execution facility (AEF).
To compile this driver as a module, choose M here. The module will be
called kvm for the SIE acceleration and kvm_arm64 for the SAE
acceleration.
If unsure, say N.
config KVM_S390_UCONTROL
bool "Userspace controlled virtual machines"
depends on KVM
help
Allow CAP_SYS_ADMIN users to create KVM virtual machines that are
controlled by userspace.
If unsure, say N.
endif # VIRTUALIZATION
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