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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
Christoffer Dall749cf76c2013-01-20 18:28:06 -050024 select KVM_MMIO
25 select KVM_ARM_HOST
Will Deacon4e4468f2014-04-25 11:46:04 +010026 depends on ARM_VIRT_EXT && ARM_LPAE && !CPU_BIG_ENDIAN
Christoffer Dall749cf76c2013-01-20 18:28:06 -050027 ---help---
28 Support hosting virtualized guest machines. You will also
29 need to select one or more of the processor modules below.
30
31 This module provides access to the hardware capabilities through
32 a character device node named /dev/kvm.
33
34 If unsure, say N.
35
36config KVM_ARM_HOST
37 bool "KVM host support for ARM cpus."
38 depends on KVM
39 depends on MMU
Christoffer Dalld5d81842013-01-20 18:28:07 -050040 select MMU_NOTIFIER
Christoffer Dall749cf76c2013-01-20 18:28:06 -050041 ---help---
42 Provides host support for ARM processors.
43
44config KVM_ARM_MAX_VCPUS
Geoff Levandf2dda9d2013-06-06 18:02:54 -070045 int "Number maximum supported virtual CPUs per VM"
46 depends on KVM_ARM_HOST
47 default 4
Christoffer Dall749cf76c2013-01-20 18:28:06 -050048 help
49 Static number of max supported virtual CPUs per VM.
50
51 If you choose a high number, the vcpu structures will be quite
52 large, so only choose a reasonable number that you expect to
53 actually use.
54
Marc Zyngier75431f92013-01-21 19:36:16 -050055config KVM_ARM_VGIC
56 bool "KVM support for Virtual GIC"
57 depends on KVM_ARM_HOST && OF
58 select HAVE_KVM_IRQCHIP
59 default y
60 ---help---
61 Adds support for a hardware assisted, in-kernel GIC emulation.
62
Marc Zyngier967f8422013-01-23 13:21:59 -050063config KVM_ARM_TIMER
64 bool "KVM support for Architected Timers"
65 depends on KVM_ARM_VGIC && ARM_ARCH_TIMER
66 select HAVE_KVM_IRQCHIP
67 default y
68 ---help---
69 Adds support for the Architected Timers in virtual machines
70
Christoffer Dall749cf76c2013-01-20 18:28:06 -050071endif # VIRTUALIZATION