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# SPDX-License-Identifier: GPL-2.0
#
# KVM configuration
#
source "virt/lib/Kconfig"
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
menuconfig KVM
bool "Kernel-based Virtual Machine (KVM) support"
depends on HAVE_KVM
select MMU_NOTIFIER
select PREEMPT_NOTIFIERS
select HAVE_KVM_CPU_RELAX_INTERCEPT
select HAVE_KVM_ARCH_TLB_FLUSH_ALL
select KVM_MMIO
select KVM_GENERIC_DIRTYLOG_READ_PROTECT
select KVM_XFER_TO_GUEST_WORK
select SRCU
select KVM_VFIO
select HAVE_KVM_EVENTFD
select HAVE_KVM_IRQFD
select HAVE_KVM_MSI
select HAVE_KVM_IRQCHIP
select HAVE_KVM_IRQ_ROUTING
select IRQ_BYPASS_MANAGER
select HAVE_KVM_IRQ_BYPASS
select HAVE_KVM_VCPU_RUN_PID_CHANGE
select SCHED_INFO
select GUEST_PERF_EVENTS if PERF_EVENTS
select INTERVAL_TREE
help
Support hosting virtualized guest machines.
If unsure, say N.
config PROTECTED_NVHE_STACKTRACE
bool "Protected KVM hypervisor stacktraces"
depends on NVHE_EL2_DEBUG
default n
help
Say Y here to enable pKVM hypervisor stacktraces on hyp_panic()
If you are not using protected nVHE (pKVM), say N.
If using protected nVHE mode, but cannot afford the associated
memory cost (less than 0.75 page per CPU) of pKVM stacktraces,
say N.
If unsure, say N.
config NVHE_EL2_DEBUG
bool "Debug mode for non-VHE EL2 object"
depends on KVM
help
Say Y here to enable the debug mode for the non-VHE KVM EL2 object.
Failure reports will BUG() in the hypervisor. This is intended for
local EL2 hypervisor development.
If unsure, say N.
endif # VIRTUALIZATION
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