tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#
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
23 select HAVE_KVM_CPU_RELAX_INTERCEPT
24 select KVM_MMIO
25 select KVM_ARM_HOST
26 depends on ARM_VIRT_EXT && ARM_LPAE
27 ---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
40 select MMU_NOTIFIER
41 ---help---
42 Provides host support for ARM processors.
43
44config KVM_ARM_MAX_VCPUS
45 int "Number maximum supported virtual CPUs per VM"
46 depends on KVM_ARM_HOST
47 default 4
48 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
55config 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
63config 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
71endif # VIRTUALIZATION