arch/arm64/kvm/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0
   2 #
   3 # KVM configuration
   4 #
   5
   6 source "virt/lib/Kconfig"
   7 source "virt/kvm/Kconfig"
   8
   9 menuconfig VIRTUALIZATION
  10         bool "Virtualization"
  11         help
  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.
  15
  16           If you say N, all options in this submenu will be skipped and
  17           disabled.
  18
  19 if VIRTUALIZATION
  20
  21 menuconfig KVM
  22         bool "Kernel-based Virtual Machine (KVM) support"
  23         select KVM_COMMON
  24         select KVM_GENERIC_HARDWARE_ENABLING
  25         select KVM_GENERIC_MMU_NOTIFIER
  26         select HAVE_KVM_CPU_RELAX_INTERCEPT
  27         select KVM_MMIO
  28         select KVM_GENERIC_DIRTYLOG_READ_PROTECT
  29         select KVM_XFER_TO_GUEST_WORK
  30         select KVM_VFIO
  31         select HAVE_KVM_DIRTY_RING_ACQ_REL
  32         select NEED_KVM_DIRTY_RING_WITH_BITMAP
  33         select HAVE_KVM_MSI
  34         select HAVE_KVM_IRQCHIP
  35         select HAVE_KVM_IRQ_ROUTING
  36         select HAVE_KVM_IRQ_BYPASS
  37         select HAVE_KVM_VCPU_RUN_PID_CHANGE
  38         select SCHED_INFO
  39         select GUEST_PERF_EVENTS if PERF_EVENTS
  40         select XARRAY_MULTI
  41         help
  42           Support hosting virtualized guest machines.
  43
  44           If unsure, say N.
  45
  46 config NVHE_EL2_DEBUG
  47         bool "Debug mode for non-VHE EL2 object"
  48         depends on KVM
  49         help
  50           Say Y here to enable the debug mode for the non-VHE KVM EL2 object.
  51           Failure reports will BUG() in the hypervisor. This is intended for
  52           local EL2 hypervisor development.
  53
  54           If unsure, say N.
  55
  56 config PROTECTED_NVHE_STACKTRACE
  57         bool "Protected KVM hypervisor stacktraces"
  58         depends on NVHE_EL2_DEBUG
  59         default n
  60         help
  61           Say Y here to enable pKVM hypervisor stacktraces on hyp_panic()
  62
  63           If using protected nVHE mode, but cannot afford the associated
  64           memory cost (less than 0.75 page per CPU) of pKVM stacktraces,
  65           say N.
  66
  67           If unsure, or not using protected nVHE (pKVM), say N.
  68
  69 endif # VIRTUALIZATION