Kconfig (de56a948b9182fbcf92cb8212f114de096c2d574) Kconfig (9e368f2915601cd5bc7f5fd638b58435b018bbd7)
1#
2# KVM configuration
3#
4
5source "virt/kvm/Kconfig"
6
7menuconfig VIRTUALIZATION
8 bool "Virtualization"

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62 in virtual machines on book3s_64 host processors.
63
64 This module provides access to the hardware capabilities through
65 a character device node named /dev/kvm.
66
67 If unsure, say N.
68
69config KVM_BOOK3S_64_HV
1#
2# KVM configuration
3#
4
5source "virt/kvm/Kconfig"
6
7menuconfig VIRTUALIZATION
8 bool "Virtualization"

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62 in virtual machines on book3s_64 host processors.
63
64 This module provides access to the hardware capabilities through
65 a character device node named /dev/kvm.
66
67 If unsure, say N.
68
69config KVM_BOOK3S_64_HV
70 bool "KVM support for POWER7 using hypervisor mode in host"
70 bool "KVM support for POWER7 and PPC970 using hypervisor mode in host"
71 depends on KVM_BOOK3S_64
72 ---help---
73 Support running unmodified book3s_64 guest kernels in
71 depends on KVM_BOOK3S_64
72 ---help---
73 Support running unmodified book3s_64 guest kernels in
74 virtual machines on POWER7 processors that have hypervisor
75 mode available to the host.
74 virtual machines on POWER7 and PPC970 processors that have
75 hypervisor mode available to the host.
76
77 If you say Y here, KVM will use the hardware virtualization
78 facilities of POWER7 (and later) processors, meaning that
79 guest operating systems will run at full hardware speed
80 using supervisor and user modes. However, this also means
81 that KVM is not usable under PowerVM (pHyp), is only usable
76
77 If you say Y here, KVM will use the hardware virtualization
78 facilities of POWER7 (and later) processors, meaning that
79 guest operating systems will run at full hardware speed
80 using supervisor and user modes. However, this also means
81 that KVM is not usable under PowerVM (pHyp), is only usable
82 on POWER7 (or later) processors, and can only emulate
83 POWER5+, POWER6 and POWER7 processors.
82 on POWER7 (or later) processors and PPC970-family processors,
83 and cannot emulate a different processor from the host processor.
84
84
85 This module provides access to the hardware capabilities through
86 a character device node named /dev/kvm.
87
88 If unsure, say N.
89
90config KVM_BOOK3S_64_PR
91 def_bool y
92 depends on KVM_BOOK3S_64 && !KVM_BOOK3S_64_HV
93 select KVM_BOOK3S_PR
94
95config KVM_440

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86
87config KVM_BOOK3S_64_PR
88 def_bool y
89 depends on KVM_BOOK3S_64 && !KVM_BOOK3S_64_HV
90 select KVM_BOOK3S_PR
91
92config KVM_440

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