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- #
- # KVM configuration
- #
- source "virt/kvm/Kconfig"
- menuconfig VIRTUALIZATION
- bool "Virtualization"
- ---help---
- Say Y here to get to see options for using your Linux host to run
- other operating systems inside virtual machines (guests).
- This option alone does not add any kernel code.
- If you say N, all options in this submenu will be skipped and
- disabled.
- if VIRTUALIZATION
- config KVM
- bool
- select PREEMPT_NOTIFIERS
- select ANON_INODES
- config KVM_BOOK3S_HANDLER
- bool
- config KVM_BOOK3S_32_HANDLER
- bool
- select KVM_BOOK3S_HANDLER
- select KVM_MMIO
- config KVM_BOOK3S_64_HANDLER
- bool
- select KVM_BOOK3S_HANDLER
- config KVM_BOOK3S_PR
- bool
- select KVM_MMIO
- config KVM_BOOK3S_32
- tristate "KVM support for PowerPC book3s_32 processors"
- depends on EXPERIMENTAL && PPC_BOOK3S_32 && !SMP && !PTE_64BIT
- select KVM
- select KVM_BOOK3S_32_HANDLER
- select KVM_BOOK3S_PR
- ---help---
- Support running unmodified book3s_32 guest kernels
- in virtual machines on book3s_32 host processors.
- This module provides access to the hardware capabilities through
- a character device node named /dev/kvm.
- If unsure, say N.
- config KVM_BOOK3S_64
- tristate "KVM support for PowerPC book3s_64 processors"
- depends on EXPERIMENTAL && PPC_BOOK3S_64
- select KVM_BOOK3S_64_HANDLER
- select KVM
- ---help---
- Support running unmodified book3s_64 and book3s_32 guest kernels
- in virtual machines on book3s_64 host processors.
- This module provides access to the hardware capabilities through
- a character device node named /dev/kvm.
- If unsure, say N.
- config KVM_BOOK3S_64_HV
- bool "KVM support for POWER7 and PPC970 using hypervisor mode in host"
- depends on KVM_BOOK3S_64
- select MMU_NOTIFIER
- ---help---
- Support running unmodified book3s_64 guest kernels in
- virtual machines on POWER7 and PPC970 processors that have
- hypervisor mode available to the host.
- If you say Y here, KVM will use the hardware virtualization
- facilities of POWER7 (and later) processors, meaning that
- guest operating systems will run at full hardware speed
- using supervisor and user modes. However, this also means
- that KVM is not usable under PowerVM (pHyp), is only usable
- on POWER7 (or later) processors and PPC970-family processors,
- and cannot emulate a different processor from the host processor.
- If unsure, say N.
- config KVM_BOOK3S_64_PR
- def_bool y
- depends on KVM_BOOK3S_64 && !KVM_BOOK3S_64_HV
- select KVM_BOOK3S_PR
- config KVM_440
- bool "KVM support for PowerPC 440 processors"
- depends on EXPERIMENTAL && 44x
- select KVM
- select KVM_MMIO
- ---help---
- Support running unmodified 440 guest kernels in virtual machines on
- 440 host processors.
- This module provides access to the hardware capabilities through
- a character device node named /dev/kvm.
- If unsure, say N.
- config KVM_EXIT_TIMING
- bool "Detailed exit timing"
- depends on KVM_440 || KVM_E500
- ---help---
- Calculate elapsed time for every exit/enter cycle. A per-vcpu
- report is available in debugfs kvm/vm#_vcpu#_timing.
- The overhead is relatively small, however it is not recommended for
- production environments.
- If unsure, say N.
- config KVM_E500
- bool "KVM support for PowerPC E500 processors"
- depends on EXPERIMENTAL && E500
- select KVM
- select KVM_MMIO
- ---help---
- Support running unmodified E500 guest kernels in virtual machines on
- E500 host processors.
- This module provides access to the hardware capabilities through
- a character device node named /dev/kvm.
- If unsure, say N.
- source drivers/vhost/Kconfig
- endif # VIRTUALIZATION
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