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
21	select PREEMPT_NOTIFIERS
22	select ANON_INODES
23	select KVM_MMIO
24
25config KVM_BOOK3S_HANDLER
26	bool
27
28config KVM_BOOK3S_32_HANDLER
29	bool
30	select KVM_BOOK3S_HANDLER
31
32config KVM_BOOK3S_64_HANDLER
33	bool
34	select KVM_BOOK3S_HANDLER
35
36config KVM_BOOK3S_32
37	tristate "KVM support for PowerPC book3s_32 processors"
38	depends on EXPERIMENTAL && PPC_BOOK3S_32 && !SMP && !PTE_64BIT
39	select KVM
40	select KVM_BOOK3S_32_HANDLER
41	---help---
42	  Support running unmodified book3s_32 guest kernels
43	  in virtual machines on book3s_32 host processors.
44
45	  This module provides access to the hardware capabilities through
46	  a character device node named /dev/kvm.
47
48	  If unsure, say N.
49
50config KVM_BOOK3S_64
51	tristate "KVM support for PowerPC book3s_64 processors"
52	depends on EXPERIMENTAL && PPC_BOOK3S_64
53	select KVM
54	select KVM_BOOK3S_64_HANDLER
55	---help---
56	  Support running unmodified book3s_64 and book3s_32 guest kernels
57	  in virtual machines on book3s_64 host processors.
58
59	  This module provides access to the hardware capabilities through
60	  a character device node named /dev/kvm.
61
62	  If unsure, say N.
63
64config KVM_440
65	bool "KVM support for PowerPC 440 processors"
66	depends on EXPERIMENTAL && 44x
67	select KVM
68	---help---
69	  Support running unmodified 440 guest kernels in virtual machines on
70	  440 host processors.
71
72	  This module provides access to the hardware capabilities through
73	  a character device node named /dev/kvm.
74
75	  If unsure, say N.
76
77config KVM_EXIT_TIMING
78	bool "Detailed exit timing"
79	depends on KVM_440 || KVM_E500
80	---help---
81	  Calculate elapsed time for every exit/enter cycle. A per-vcpu
82	  report is available in debugfs kvm/vm#_vcpu#_timing.
83	  The overhead is relatively small, however it is not recommended for
84	  production environments.
85
86	  If unsure, say N.
87
88config KVM_E500
89	bool "KVM support for PowerPC E500 processors"
90	depends on EXPERIMENTAL && E500
91	select KVM
92	---help---
93	  Support running unmodified E500 guest kernels in virtual machines on
94	  E500 host processors.
95
96	  This module provides access to the hardware capabilities through
97	  a character device node named /dev/kvm.
98
99	  If unsure, say N.
100
101source drivers/vhost/Kconfig
102source drivers/virtio/Kconfig
103
104endif # VIRTUALIZATION
105