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9b0cb3c808
Now that we have very simple MMU Notifier support for e500 in place, also add the same simple support to book3s. It gets us one step closer to actual fast support. Signed-off-by: Alexander Graf <agraf@suse.de>
156 lines
4.0 KiB
Plaintext
156 lines
4.0 KiB
Plaintext
#
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# KVM configuration
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#
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source "virt/kvm/Kconfig"
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menuconfig VIRTUALIZATION
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bool "Virtualization"
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---help---
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Say Y here to get to see options for using your Linux host to run
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other operating systems inside virtual machines (guests).
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This option alone does not add any kernel code.
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If you say N, all options in this submenu will be skipped and
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disabled.
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if VIRTUALIZATION
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config KVM
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bool
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select PREEMPT_NOTIFIERS
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select ANON_INODES
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config KVM_BOOK3S_HANDLER
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bool
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config KVM_BOOK3S_32_HANDLER
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bool
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select KVM_BOOK3S_HANDLER
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select KVM_MMIO
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config KVM_BOOK3S_64_HANDLER
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bool
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select KVM_BOOK3S_HANDLER
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config KVM_BOOK3S_PR
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bool
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select KVM_MMIO
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select MMU_NOTIFIER
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config KVM_BOOK3S_32
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tristate "KVM support for PowerPC book3s_32 processors"
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depends on EXPERIMENTAL && PPC_BOOK3S_32 && !SMP && !PTE_64BIT
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select KVM
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select KVM_BOOK3S_32_HANDLER
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select KVM_BOOK3S_PR
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---help---
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Support running unmodified book3s_32 guest kernels
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in virtual machines on book3s_32 host processors.
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This module provides access to the hardware capabilities through
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a character device node named /dev/kvm.
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If unsure, say N.
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config KVM_BOOK3S_64
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tristate "KVM support for PowerPC book3s_64 processors"
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depends on EXPERIMENTAL && PPC_BOOK3S_64
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select KVM_BOOK3S_64_HANDLER
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select KVM
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---help---
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Support running unmodified book3s_64 and book3s_32 guest kernels
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in virtual machines on book3s_64 host processors.
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This module provides access to the hardware capabilities through
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a character device node named /dev/kvm.
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If unsure, say N.
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config KVM_BOOK3S_64_HV
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bool "KVM support for POWER7 and PPC970 using hypervisor mode in host"
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depends on KVM_BOOK3S_64
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select MMU_NOTIFIER
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---help---
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Support running unmodified book3s_64 guest kernels in
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virtual machines on POWER7 and PPC970 processors that have
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hypervisor mode available to the host.
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If you say Y here, KVM will use the hardware virtualization
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facilities of POWER7 (and later) processors, meaning that
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guest operating systems will run at full hardware speed
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using supervisor and user modes. However, this also means
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that KVM is not usable under PowerVM (pHyp), is only usable
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on POWER7 (or later) processors and PPC970-family processors,
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and cannot emulate a different processor from the host processor.
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If unsure, say N.
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config KVM_BOOK3S_64_PR
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def_bool y
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depends on KVM_BOOK3S_64 && !KVM_BOOK3S_64_HV
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select KVM_BOOK3S_PR
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config KVM_BOOKE_HV
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bool
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config KVM_440
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bool "KVM support for PowerPC 440 processors"
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depends on EXPERIMENTAL && 44x
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select KVM
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select KVM_MMIO
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---help---
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Support running unmodified 440 guest kernels in virtual machines on
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440 host processors.
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This module provides access to the hardware capabilities through
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a character device node named /dev/kvm.
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If unsure, say N.
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config KVM_EXIT_TIMING
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bool "Detailed exit timing"
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depends on KVM_440 || KVM_E500V2 || KVM_E500MC
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---help---
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Calculate elapsed time for every exit/enter cycle. A per-vcpu
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report is available in debugfs kvm/vm#_vcpu#_timing.
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The overhead is relatively small, however it is not recommended for
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production environments.
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If unsure, say N.
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config KVM_E500V2
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bool "KVM support for PowerPC E500v2 processors"
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depends on EXPERIMENTAL && E500 && !PPC_E500MC
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select KVM
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select KVM_MMIO
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select MMU_NOTIFIER
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---help---
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Support running unmodified E500 guest kernels in virtual machines on
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E500v2 host processors.
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This module provides access to the hardware capabilities through
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a character device node named /dev/kvm.
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If unsure, say N.
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config KVM_E500MC
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bool "KVM support for PowerPC E500MC/E5500 processors"
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depends on EXPERIMENTAL && PPC_E500MC
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select KVM
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select KVM_MMIO
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select KVM_BOOKE_HV
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select MMU_NOTIFIER
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---help---
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Support running unmodified E500MC/E5500 (32-bit) guest kernels in
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virtual machines on E500MC/E5500 host processors.
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This module provides access to the hardware capabilities through
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a character device node named /dev/kvm.
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If unsure, say N.
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source drivers/vhost/Kconfig
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endif # VIRTUALIZATION
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