arch/x86/kvm/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0
   2 #
   3 # KVM configuration
   4 #
   5
   6 source "virt/kvm/Kconfig"
   7
   8 menuconfig VIRTUALIZATION
   9         bool "Virtualization"
  10         depends on HAVE_KVM || X86
  11         default y
  12         ---help---
  13           Say Y here to get to see options for using your Linux host to run other
  14           operating systems inside virtual machines (guests).
  15           This option alone does not add any kernel code.
  16
  17           If you say N, all options in this submenu will be skipped and disabled.
  18
  19 if VIRTUALIZATION
  20
  21 config KVM
  22         tristate "Kernel-based Virtual Machine (KVM) support"
  23         depends on HAVE_KVM
  24         depends on HIGH_RES_TIMERS
  25         # for TASKSTATS/TASK_DELAY_ACCT:
  26         depends on NET && MULTIUSER
  27         depends on X86_LOCAL_APIC
  28         select PREEMPT_NOTIFIERS
  29         select MMU_NOTIFIER
  30         select ANON_INODES
  31         select HAVE_KVM_IRQCHIP
  32         select HAVE_KVM_IRQFD
  33         select IRQ_BYPASS_MANAGER
  34         select HAVE_KVM_IRQ_BYPASS
  35         select HAVE_KVM_IRQ_ROUTING
  36         select HAVE_KVM_EVENTFD
  37         select KVM_ASYNC_PF
  38         select USER_RETURN_NOTIFIER
  39         select KVM_MMIO
  40         select TASKSTATS
  41         select TASK_DELAY_ACCT
  42         select PERF_EVENTS
  43         select HAVE_KVM_MSI
  44         select HAVE_KVM_CPU_RELAX_INTERCEPT
  45         select KVM_GENERIC_DIRTYLOG_READ_PROTECT
  46         select KVM_VFIO
  47         select SRCU
  48         ---help---
  49           Support hosting fully virtualized guest machines using hardware
  50           virtualization extensions.  You will need a fairly recent
  51           processor equipped with virtualization extensions. You will also
  52           need to select one or more of the processor modules below.
  53
  54           This module provides access to the hardware capabilities through
  55           a character device node named /dev/kvm.
  56
  57           To compile this as a module, choose M here: the module
  58           will be called kvm.
  59
  60           If unsure, say N.
  61
  62 config KVM_INTEL
  63         tristate "KVM for Intel processors support"
  64         depends on KVM
  65         # for perf_guest_get_msrs():
  66         depends on CPU_SUP_INTEL
  67         ---help---
  68           Provides support for KVM on Intel processors equipped with the VT
  69           extensions.
  70
  71           To compile this as a module, choose M here: the module
  72           will be called kvm-intel.
  73
  74 config KVM_AMD
  75         tristate "KVM for AMD processors support"
  76         depends on KVM
  77         ---help---
  78           Provides support for KVM on AMD processors equipped with the AMD-V
  79           (SVM) extensions.
  80
  81           To compile this as a module, choose M here: the module
  82           will be called kvm-amd.
  83
  84 config KVM_MMU_AUDIT
  85         bool "Audit KVM MMU"
  86         depends on KVM && TRACEPOINTS
  87         ---help---
  88          This option adds a R/W kVM module parameter 'mmu_audit', which allows
  89          auditing of KVM MMU events at runtime.
  90
  91 # OK, it's a little counter-intuitive to do this, but it puts it neatly under
  92 # the virtualization menu.
  93 source drivers/vhost/Kconfig
  94
  95 endif # VIRTUALIZATION