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Linux/arch/x86/kvm/Kconfig

  1 #
  2 # KVM configuration
  3 #
  4 
  5 source "virt/kvm/Kconfig"
  6 
  7 menuconfig VIRTUALIZATION
  8         bool "Virtualization"
  9         depends on HAVE_KVM || X86
 10         default y
 11         ---help---
 12           Say Y here to get to see options for using your Linux host to run other
 13           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 disabled.
 17 
 18 if VIRTUALIZATION
 19 
 20 config KVM
 21         tristate "Kernel-based Virtual Machine (KVM) support"
 22         depends on HAVE_KVM
 23         depends on HIGH_RES_TIMERS
 24         # for TASKSTATS/TASK_DELAY_ACCT:
 25         depends on NET
 26         select PREEMPT_NOTIFIERS
 27         select MMU_NOTIFIER
 28         select ANON_INODES
 29         select HAVE_KVM_IRQCHIP
 30         select HAVE_KVM_IRQFD
 31         select HAVE_KVM_IRQ_ROUTING
 32         select HAVE_KVM_EVENTFD
 33         select KVM_APIC_ARCHITECTURE
 34         select KVM_ASYNC_PF
 35         select USER_RETURN_NOTIFIER
 36         select KVM_MMIO
 37         select TASKSTATS
 38         select TASK_DELAY_ACCT
 39         select PERF_EVENTS
 40         select HAVE_KVM_MSI
 41         select HAVE_KVM_CPU_RELAX_INTERCEPT
 42         select KVM_GENERIC_DIRTYLOG_READ_PROTECT
 43         select KVM_VFIO
 44         select SRCU
 45         ---help---
 46           Support hosting fully virtualized guest machines using hardware
 47           virtualization extensions.  You will need a fairly recent
 48           processor equipped with virtualization extensions. You will also
 49           need to select one or more of the processor modules below.
 50 
 51           This module provides access to the hardware capabilities through
 52           a character device node named /dev/kvm.
 53 
 54           To compile this as a module, choose M here: the module
 55           will be called kvm.
 56 
 57           If unsure, say N.
 58 
 59 config KVM_INTEL
 60         tristate "KVM for Intel processors support"
 61         depends on KVM
 62         # for perf_guest_get_msrs():
 63         depends on CPU_SUP_INTEL
 64         ---help---
 65           Provides support for KVM on Intel processors equipped with the VT
 66           extensions.
 67 
 68           To compile this as a module, choose M here: the module
 69           will be called kvm-intel.
 70 
 71 config KVM_AMD
 72         tristate "KVM for AMD processors support"
 73         depends on KVM
 74         ---help---
 75           Provides support for KVM on AMD processors equipped with the AMD-V
 76           (SVM) extensions.
 77 
 78           To compile this as a module, choose M here: the module
 79           will be called kvm-amd.
 80 
 81 config KVM_MMU_AUDIT
 82         bool "Audit KVM MMU"
 83         depends on KVM && TRACEPOINTS
 84         ---help---
 85          This option adds a R/W kVM module parameter 'mmu_audit', which allows
 86          auditing of KVM MMU events at runtime.
 87 
 88 config KVM_DEVICE_ASSIGNMENT
 89         bool "KVM legacy PCI device assignment support"
 90         depends on KVM && PCI && IOMMU_API
 91         default y
 92         ---help---
 93           Provide support for legacy PCI device assignment through KVM.  The
 94           kernel now also supports a full featured userspace device driver
 95           framework through VFIO, which supersedes much of this support.
 96 
 97           If unsure, say Y.
 98 
 99 # OK, it's a little counter-intuitive to do this, but it puts it neatly under
100 # the virtualization menu.
101 source drivers/vhost/Kconfig
102 source drivers/lguest/Kconfig
103 
104 endif # VIRTUALIZATION

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