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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 IRQ_BYPASS_MANAGER
 32         select HAVE_KVM_IRQ_BYPASS
 33         select HAVE_KVM_IRQ_ROUTING
 34         select HAVE_KVM_EVENTFD
 35         select KVM_APIC_ARCHITECTURE
 36         select KVM_ASYNC_PF
 37         select USER_RETURN_NOTIFIER
 38         select KVM_MMIO
 39         select TASKSTATS
 40         select TASK_DELAY_ACCT
 41         select PERF_EVENTS
 42         select HAVE_KVM_MSI
 43         select HAVE_KVM_CPU_RELAX_INTERCEPT
 44         select KVM_GENERIC_DIRTYLOG_READ_PROTECT
 45         select KVM_VFIO
 46         select SRCU
 47         ---help---
 48           Support hosting fully virtualized guest machines using hardware
 49           virtualization extensions.  You will need a fairly recent
 50           processor equipped with virtualization extensions. You will also
 51           need to select one or more of the processor modules below.
 52 
 53           This module provides access to the hardware capabilities through
 54           a character device node named /dev/kvm.
 55 
 56           To compile this as a module, choose M here: the module
 57           will be called kvm.
 58 
 59           If unsure, say N.
 60 
 61 config KVM_INTEL
 62         tristate "KVM for Intel processors support"
 63         depends on KVM
 64         # for perf_guest_get_msrs():
 65         depends on CPU_SUP_INTEL
 66         ---help---
 67           Provides support for KVM on Intel processors equipped with the VT
 68           extensions.
 69 
 70           To compile this as a module, choose M here: the module
 71           will be called kvm-intel.
 72 
 73 config KVM_AMD
 74         tristate "KVM for AMD processors support"
 75         depends on KVM
 76         ---help---
 77           Provides support for KVM on AMD processors equipped with the AMD-V
 78           (SVM) extensions.
 79 
 80           To compile this as a module, choose M here: the module
 81           will be called kvm-amd.
 82 
 83 config KVM_MMU_AUDIT
 84         bool "Audit KVM MMU"
 85         depends on KVM && TRACEPOINTS
 86         ---help---
 87          This option adds a R/W kVM module parameter 'mmu_audit', which allows
 88          auditing of KVM MMU events at runtime.
 89 
 90 config KVM_DEVICE_ASSIGNMENT
 91         bool "KVM legacy PCI device assignment support (DEPRECATED)"
 92         depends on KVM && PCI && IOMMU_API
 93         default n
 94         ---help---
 95           Provide support for legacy PCI device assignment through KVM.  The
 96           kernel now also supports a full featured userspace device driver
 97           framework through VFIO, which supersedes this support and provides
 98           better security.
 99 
100           If unsure, say N.
101 
102 # OK, it's a little counter-intuitive to do this, but it puts it neatly under
103 # the virtualization menu.
104 source drivers/vhost/Kconfig
105 source drivers/lguest/Kconfig
106 
107 endif # VIRTUALIZATION

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