1# SPDX-License-Identifier: GPL-2.0
2#
3# KVM configuration
4#
5source "virt/kvm/Kconfig"
6
7menuconfig VIRTUALIZATION
8	def_bool y
9	prompt "KVM"
10	help
11	  Say Y here to get to see options for using your Linux host to run other
12	  operating systems inside virtual machines (guests).
13	  This option alone does not add any kernel code.
14
15	  If you say N, all options in this submenu will be skipped and disabled.
16
17if VIRTUALIZATION
18
19config KVM
20	def_tristate y
21	prompt "Kernel-based Virtual Machine (KVM) support"
22	select HAVE_KVM_CPU_RELAX_INTERCEPT
23	select HAVE_KVM_VCPU_ASYNC_IOCTL
24	select KVM_ASYNC_PF
25	select KVM_ASYNC_PF_SYNC
26	select KVM_COMMON
27	select HAVE_KVM_IRQCHIP
28	select HAVE_KVM_IRQ_ROUTING
29	select HAVE_KVM_INVALID_WAKEUPS
30	select HAVE_KVM_NO_POLL
31	select KVM_VFIO
32	select MMU_NOTIFIER
33	help
34	  Support hosting paravirtualized guest machines using the SIE
35	  virtualization capability on the mainframe. This should work
36	  on any 64bit machine.
37
38	  This module provides access to the hardware capabilities through
39	  a character device node named /dev/kvm.
40
41	  To compile this as a module, choose M here: the module
42	  will be called kvm.
43
44	  If unsure, say N.
45
46config KVM_S390_UCONTROL
47	bool "Userspace controlled virtual machines"
48	depends on KVM
49	help
50	  Allow CAP_SYS_ADMIN users to create KVM virtual machines that are
51	  controlled by userspace.
52
53	  If unsure, say N.
54
55endif # VIRTUALIZATION
56