0e673fb679
In order to support the generic eventfd infrastructure on PPC, we need to call into the generic KVM in-kernel device mmio code. Signed-off-by: Alexander Graf <agraf@suse.de>
156 lines
4.1 KiB
Text
156 lines
4.1 KiB
Text
#
|
|
# 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
|
|
select HAVE_KVM_EVENTFD
|
|
|
|
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
|
|
select MMU_NOTIFIER
|
|
|
|
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_BOOKE_HV
|
|
bool
|
|
|
|
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_E500V2 || KVM_E500MC
|
|
---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_E500V2
|
|
bool "KVM support for PowerPC E500v2 processors"
|
|
depends on EXPERIMENTAL && E500 && !PPC_E500MC
|
|
select KVM
|
|
select KVM_MMIO
|
|
select MMU_NOTIFIER
|
|
---help---
|
|
Support running unmodified E500 guest kernels in virtual machines on
|
|
E500v2 host processors.
|
|
|
|
This module provides access to the hardware capabilities through
|
|
a character device node named /dev/kvm.
|
|
|
|
If unsure, say N.
|
|
|
|
config KVM_E500MC
|
|
bool "KVM support for PowerPC E500MC/E5500 processors"
|
|
depends on EXPERIMENTAL && PPC_E500MC
|
|
select KVM
|
|
select KVM_MMIO
|
|
select KVM_BOOKE_HV
|
|
select MMU_NOTIFIER
|
|
---help---
|
|
Support running unmodified E500MC/E5500 (32-bit) guest kernels in
|
|
virtual machines on E500MC/E5500 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
|