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Christoffer Dall749cf76c2013-01-20 18:28:06 -05001#
2# KVM configuration
3#
4
5source "virt/kvm/Kconfig"
6
7menuconfig VIRTUALIZATION
8 bool "Virtualization"
9 ---help---
10 Say Y here to get to see options for using your Linux host to run
11 other operating systems inside virtual machines (guests).
12 This option alone does not add any kernel code.
13
14 If you say N, all options in this submenu will be skipped and
15 disabled.
16
17if VIRTUALIZATION
18
19config KVM
20 bool "Kernel-based Virtual Machine (KVM) support"
21 select PREEMPT_NOTIFIERS
22 select ANON_INODES
Marc Zyngier58d5ec82013-10-08 18:38:13 +010023 select HAVE_KVM_CPU_RELAX_INTERCEPT
Mario Smarduch72fc36b2015-01-15 15:58:55 -080024 select HAVE_KVM_ARCH_TLB_FLUSH_ALL
Christoffer Dall749cf76c2013-01-20 18:28:06 -050025 select KVM_MMIO
26 select KVM_ARM_HOST
Victor Kamenskyf5aa4622014-06-12 09:30:07 -070027 depends on ARM_VIRT_EXT && ARM_LPAE
Christoffer Dall749cf76c2013-01-20 18:28:06 -050028 ---help---
29 Support hosting virtualized guest machines. You will also
30 need to select one or more of the processor modules below.
31
32 This module provides access to the hardware capabilities through
33 a character device node named /dev/kvm.
34
35 If unsure, say N.
36
37config KVM_ARM_HOST
38 bool "KVM host support for ARM cpus."
39 depends on KVM
40 depends on MMU
Christoffer Dalld5d81842013-01-20 18:28:07 -050041 select MMU_NOTIFIER
Christoffer Dall749cf76c2013-01-20 18:28:06 -050042 ---help---
43 Provides host support for ARM processors.
44
45config KVM_ARM_MAX_VCPUS
Geoff Levandf2dda9d2013-06-06 18:02:54 -070046 int "Number maximum supported virtual CPUs per VM"
47 depends on KVM_ARM_HOST
48 default 4
Christoffer Dall749cf76c2013-01-20 18:28:06 -050049 help
50 Static number of max supported virtual CPUs per VM.
51
52 If you choose a high number, the vcpu structures will be quite
53 large, so only choose a reasonable number that you expect to
54 actually use.
55
Marc Zyngier75431f92013-01-21 19:36:16 -050056config KVM_ARM_VGIC
57 bool "KVM support for Virtual GIC"
58 depends on KVM_ARM_HOST && OF
59 select HAVE_KVM_IRQCHIP
60 default y
61 ---help---
62 Adds support for a hardware assisted, in-kernel GIC emulation.
63
Marc Zyngier967f8422013-01-23 13:21:59 -050064config KVM_ARM_TIMER
65 bool "KVM support for Architected Timers"
66 depends on KVM_ARM_VGIC && ARM_ARCH_TIMER
67 select HAVE_KVM_IRQCHIP
68 default y
69 ---help---
70 Adds support for the Architected Timers in virtual machines
71
Christoffer Dall749cf76c2013-01-20 18:28:06 -050072endif # VIRTUALIZATION