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Marc Zyngierc3eb5b12013-07-04 13:34:32 +01001#
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 MMU_NOTIFIER
22 select PREEMPT_NOTIFIERS
23 select ANON_INODES
Marc Zyngierd241aac2013-08-02 11:41:13 +010024 select HAVE_KVM_CPU_RELAX_INTERCEPT
Mario Smarduch72760302015-01-15 15:59:01 -080025 select HAVE_KVM_ARCH_TLB_FLUSH_ALL
Marc Zyngierc3eb5b12013-07-04 13:34:32 +010026 select KVM_MMIO
27 select KVM_ARM_HOST
28 select KVM_ARM_VGIC
29 select KVM_ARM_TIMER
Mario Smarduch72760302015-01-15 15:59:01 -080030 select KVM_GENERIC_DIRTYLOG_READ_PROTECT
Pranith Kumar83fe27e2014-12-05 11:24:45 -050031 select SRCU
Marc Zyngierc3eb5b12013-07-04 13:34:32 +010032 ---help---
33 Support hosting virtualized guest machines.
34
35 If unsure, say N.
36
37config KVM_ARM_HOST
38 bool
39 ---help---
40 Provides host support for ARM processors.
41
Anup Patelda781472013-12-12 16:12:22 +000042config KVM_ARM_MAX_VCPUS
43 int "Number maximum supported virtual CPUs per VM"
44 depends on KVM_ARM_HOST
45 default 4
46 help
47 Static number of max supported virtual CPUs per VM.
48
49 If you choose a high number, the vcpu structures will be quite
50 large, so only choose a reasonable number that you expect to
51 actually use.
52
Marc Zyngierc3eb5b12013-07-04 13:34:32 +010053config KVM_ARM_VGIC
54 bool
55 depends on KVM_ARM_HOST && OF
56 select HAVE_KVM_IRQCHIP
57 ---help---
58 Adds support for a hardware assisted, in-kernel GIC emulation.
59
60config KVM_ARM_TIMER
61 bool
62 depends on KVM_ARM_VGIC
63 ---help---
64 Adds support for the Architected Timers in virtual machines.
65
66endif # VIRTUALIZATION