1 # SPDX-License-Identifier: GPL-2.0
6 source "virt/lib/Kconfig"
7 source "virt/kvm/Kconfig"
9 menuconfig VIRTUALIZATION
12 Say Y here to get to see options for using your Linux host to run
13 other operating systems inside virtual machines (guests).
14 This option alone does not add any kernel code.
16 If you say N, all options in this submenu will be skipped and
22 bool "Kernel-based Virtual Machine (KVM) support"
24 select KVM_GENERIC_HARDWARE_ENABLING
26 select PREEMPT_NOTIFIERS
27 select HAVE_KVM_CPU_RELAX_INTERCEPT
28 select HAVE_KVM_ARCH_TLB_FLUSH_ALL
30 select KVM_GENERIC_DIRTYLOG_READ_PROTECT
31 select KVM_XFER_TO_GUEST_WORK
33 select HAVE_KVM_EVENTFD
35 select HAVE_KVM_DIRTY_RING_ACQ_REL
36 select NEED_KVM_DIRTY_RING_WITH_BITMAP
38 select HAVE_KVM_IRQCHIP
39 select HAVE_KVM_IRQ_ROUTING
40 select IRQ_BYPASS_MANAGER
41 select HAVE_KVM_IRQ_BYPASS
42 select HAVE_KVM_VCPU_RUN_PID_CHANGE
44 select GUEST_PERF_EVENTS if PERF_EVENTS
47 Support hosting virtualized guest machines.
52 bool "Debug mode for non-VHE EL2 object"
55 Say Y here to enable the debug mode for the non-VHE KVM EL2 object.
56 Failure reports will BUG() in the hypervisor. This is intended for
57 local EL2 hypervisor development.
61 config PROTECTED_NVHE_STACKTRACE
62 bool "Protected KVM hypervisor stacktraces"
63 depends on NVHE_EL2_DEBUG
66 Say Y here to enable pKVM hypervisor stacktraces on hyp_panic()
68 If using protected nVHE mode, but cannot afford the associated
69 memory cost (less than 0.75 page per CPU) of pKVM stacktraces,
72 If unsure, or not using protected nVHE (pKVM), say N.
74 endif # VIRTUALIZATION