|  | # | 
|  | # KVM configuration | 
|  | # | 
|  |  | 
|  | source "virt/kvm/Kconfig" | 
|  |  | 
|  | menuconfig VIRTUALIZATION | 
|  | bool "Virtualization" | 
|  | depends on HAVE_KVM || X86 | 
|  | default y | 
|  | ---help--- | 
|  | Say Y here to get to see options for using your Linux host to run other | 
|  | operating systems inside virtual machines (guests). | 
|  | This option alone does not add any kernel code. | 
|  |  | 
|  | If you say N, all options in this submenu will be skipped and disabled. | 
|  |  | 
|  | if VIRTUALIZATION | 
|  |  | 
|  | config KVM | 
|  | tristate "Kernel-based Virtual Machine (KVM) support" | 
|  | depends on HAVE_KVM | 
|  | # for device assignment: | 
|  | depends on PCI | 
|  | # for TASKSTATS/TASK_DELAY_ACCT: | 
|  | depends on NET | 
|  | select PREEMPT_NOTIFIERS | 
|  | select MMU_NOTIFIER | 
|  | select ANON_INODES | 
|  | select HAVE_KVM_IRQCHIP | 
|  | select HAVE_KVM_EVENTFD | 
|  | select KVM_APIC_ARCHITECTURE | 
|  | select KVM_ASYNC_PF | 
|  | select USER_RETURN_NOTIFIER | 
|  | select KVM_MMIO | 
|  | select TASKSTATS | 
|  | select TASK_DELAY_ACCT | 
|  | ---help--- | 
|  | Support hosting fully virtualized guest machines using hardware | 
|  | virtualization extensions.  You will need a fairly recent | 
|  | processor equipped with virtualization extensions. You will also | 
|  | need to select one or more of the processor modules below. | 
|  |  | 
|  | This module provides access to the hardware capabilities through | 
|  | a character device node named /dev/kvm. | 
|  |  | 
|  | To compile this as a module, choose M here: the module | 
|  | will be called kvm. | 
|  |  | 
|  | If unsure, say N. | 
|  |  | 
|  | config KVM_INTEL | 
|  | tristate "KVM for Intel processors support" | 
|  | depends on KVM | 
|  | ---help--- | 
|  | Provides support for KVM on Intel processors equipped with the VT | 
|  | extensions. | 
|  |  | 
|  | To compile this as a module, choose M here: the module | 
|  | will be called kvm-intel. | 
|  |  | 
|  | config KVM_AMD | 
|  | tristate "KVM for AMD processors support" | 
|  | depends on KVM | 
|  | ---help--- | 
|  | Provides support for KVM on AMD processors equipped with the AMD-V | 
|  | (SVM) extensions. | 
|  |  | 
|  | To compile this as a module, choose M here: the module | 
|  | will be called kvm-amd. | 
|  |  | 
|  | config KVM_MMU_AUDIT | 
|  | bool "Audit KVM MMU" | 
|  | depends on KVM && TRACEPOINTS | 
|  | ---help--- | 
|  | This option adds a R/W kVM module parameter 'mmu_audit', which allows | 
|  | audit  KVM MMU at runtime. | 
|  |  | 
|  | # OK, it's a little counter-intuitive to do this, but it puts it neatly under | 
|  | # the virtualization menu. | 
|  | source drivers/vhost/Kconfig | 
|  | source drivers/lguest/Kconfig | 
|  |  | 
|  | endif # VIRTUALIZATION |