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Linux/arch/arm64/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         select MMU_NOTIFIER
 22         select PREEMPT_NOTIFIERS
 23         select ANON_INODES
 24         select HAVE_KVM_CPU_RELAX_INTERCEPT
 25         select KVM_MMIO
 26         select KVM_ARM_HOST
 27         select KVM_ARM_VGIC
 28         select KVM_ARM_TIMER
 29         ---help---
 30           Support hosting virtualized guest machines.
 31 
 32           If unsure, say N.
 33 
 34 config KVM_ARM_HOST
 35         bool
 36         ---help---
 37           Provides host support for ARM processors.
 38 
 39 config KVM_ARM_MAX_VCPUS
 40         int "Number maximum supported virtual CPUs per VM"
 41         depends on KVM_ARM_HOST
 42         default 4
 43         help
 44           Static number of max supported virtual CPUs per VM.
 45 
 46           If you choose a high number, the vcpu structures will be quite
 47           large, so only choose a reasonable number that you expect to
 48           actually use.
 49 
 50 config KVM_ARM_VGIC
 51         bool
 52         depends on KVM_ARM_HOST && OF
 53         select HAVE_KVM_IRQCHIP
 54         ---help---
 55           Adds support for a hardware assisted, in-kernel GIC emulation.
 56 
 57 config KVM_ARM_TIMER
 58         bool
 59         depends on KVM_ARM_VGIC
 60         ---help---
 61           Adds support for the Architected Timers in virtual machines.
 62 
 63 endif # VIRTUALIZATION

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