mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-30 13:38:40 +00:00
5d9b8e30f5
Two KVM archs support irqchips and two don't. Add a Kconfig item to make selecting between the two models easier. Signed-off-by: Avi Kivity <avi@redhat.com>
76 lines
1.8 KiB
Plaintext
76 lines
1.8 KiB
Plaintext
#
|
|
# KVM configuration
|
|
#
|
|
|
|
config HAVE_KVM_IRQCHIP
|
|
bool
|
|
|
|
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_440
|
|
bool "KVM support for PowerPC 440 processors"
|
|
depends on EXPERIMENTAL && 44x
|
|
select KVM
|
|
---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
|
|
---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
|
|
---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.
|
|
|
|
config KVM_TRACE
|
|
bool "KVM trace support"
|
|
depends on KVM && MARKERS && SYSFS
|
|
select RELAY
|
|
select DEBUG_FS
|
|
default n
|
|
---help---
|
|
This option allows reading a trace of kvm-related events through
|
|
relayfs. Note the ABI is not considered stable and will be
|
|
modified in future updates.
|
|
|
|
source drivers/virtio/Kconfig
|
|
|
|
endif # VIRTUALIZATION
|