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

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