arch/arm/kvm/Kconfig

   1 #
   2 # KVM configuration
   3 #
   4
   5 source "virt/kvm/Kconfig"
   6
   7 menuconfig VIRTUALIZATION
   8         bool "Virtualization"
   9         ---help---
  10           Say Y here to get to see options for using your Linux host to run
  11           other operating systems inside virtual machines (guests).
  12           This option alone does not add any kernel code.
  13
  14           If you say N, all options in this submenu will be skipped and
  15           disabled.
  16
  17 if VIRTUALIZATION
  18
  19 config KVM
  20         bool "Kernel-based Virtual Machine (KVM) support"
  21         depends on MMU && OF
  22         select PREEMPT_NOTIFIERS
  23         select ANON_INODES
  24         select HAVE_KVM_CPU_RELAX_INTERCEPT
  25         select HAVE_KVM_ARCH_TLB_FLUSH_ALL
  26         select KVM_MMIO
  27         select KVM_ARM_HOST
  28         select KVM_GENERIC_DIRTYLOG_READ_PROTECT
  29         select SRCU
  30         select MMU_NOTIFIER
  31         select KVM_VFIO
  32         select HAVE_KVM_EVENTFD
  33         select HAVE_KVM_IRQFD
  34         depends on ARM_VIRT_EXT && ARM_LPAE && ARM_ARCH_TIMER
  35         ---help---
  36           Support hosting virtualized guest machines.
  37
  38           This module provides access to the hardware capabilities through
  39           a character device node named /dev/kvm.
  40
  41           If unsure, say N.
  42
  43 config KVM_ARM_HOST
  44         bool
  45         ---help---
  46           Provides host support for ARM processors.
  47
  48 config KVM_ARM_MAX_VCPUS
  49         int "Number maximum supported virtual CPUs per VM"
  50         depends on KVM_ARM_HOST
  51         default 4
  52         help
  53           Static number of max supported virtual CPUs per VM.
  54
  55           If you choose a high number, the vcpu structures will be quite
  56           large, so only choose a reasonable number that you expect to
  57           actually use.
  58
  59 endif # VIRTUALIZATION