arch/arm64/kvm/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0
   2 #
   3 # KVM configuration
   4 #
   5
   6 source "virt/lib/Kconfig"
   7
   8 menuconfig VIRTUALIZATION
   9         bool "Virtualization"
  10         help
  11           Say Y here to get to see options for using your Linux host to run
  12           other operating systems inside virtual machines (guests).
  13           This option alone does not add any kernel code.
  14
  15           If you say N, all options in this submenu will be skipped and
  16           disabled.
  17
  18 if VIRTUALIZATION
  19
  20 menuconfig KVM
  21         bool "Kernel-based Virtual Machine (KVM) support"
  22         depends on OF
  23         # for TASKSTATS/TASK_DELAY_ACCT:
  24         depends on NET && MULTIUSER
  25         select MMU_NOTIFIER
  26         select PREEMPT_NOTIFIERS
  27         select HAVE_KVM_CPU_RELAX_INTERCEPT
  28         select HAVE_KVM_ARCH_TLB_FLUSH_ALL
  29         select KVM_MMIO
  30         select KVM_GENERIC_DIRTYLOG_READ_PROTECT
  31         select SRCU
  32         select KVM_VFIO
  33         select HAVE_KVM_EVENTFD
  34         select HAVE_KVM_IRQFD
  35         select HAVE_KVM_MSI
  36         select HAVE_KVM_IRQCHIP
  37         select HAVE_KVM_IRQ_ROUTING
  38         select IRQ_BYPASS_MANAGER
  39         select HAVE_KVM_IRQ_BYPASS
  40         select HAVE_KVM_VCPU_RUN_PID_CHANGE
  41         select TASKSTATS
  42         select TASK_DELAY_ACCT
  43         help
  44           Support hosting virtualized guest machines.
  45
  46           If unsure, say N.
  47
  48 if KVM
  49
  50 source "virt/kvm/Kconfig"
  51
  52 config KVM_ARM_PMU
  53         bool "Virtual Performance Monitoring Unit (PMU) support"
  54         depends on HW_PERF_EVENTS
  55         default y
  56         help
  57           Adds support for a virtual Performance Monitoring Unit (PMU) in
  58           virtual machines.
  59
  60 config KVM_INDIRECT_VECTORS
  61         def_bool HARDEN_BRANCH_PREDICTOR || HARDEN_EL2_VECTORS
  62
  63 endif # KVM
  64
  65 endif # VIRTUALIZATION