|  | # | 
|  | # KVM configuration | 
|  | # | 
|  | source "virt/kvm/Kconfig" | 
|  |  | 
|  | menuconfig VIRTUALIZATION | 
|  | def_bool y | 
|  | prompt "Virtualization" | 
|  | ---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 | 
|  | def_tristate y | 
|  | prompt "Kernel-based Virtual Machine (KVM) support" | 
|  | depends on HAVE_KVM && EXPERIMENTAL | 
|  | select PREEMPT_NOTIFIERS | 
|  | select ANON_INODES | 
|  | ---help--- | 
|  | Support hosting paravirtualized guest machines using the SIE | 
|  | virtualization capability on the mainframe. This should work | 
|  | on any 64bit machine. | 
|  |  | 
|  | 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_S390_UCONTROL | 
|  | bool "Userspace controlled virtual machines" | 
|  | depends on KVM | 
|  | ---help--- | 
|  | Allow CAP_SYS_ADMIN users to create KVM virtual machines that are | 
|  | controlled by userspace. | 
|  |  | 
|  | If unsure, say N. | 
|  |  | 
|  | # OK, it's a little counter-intuitive to do this, but it puts it neatly under | 
|  | # the virtualization menu. | 
|  | source drivers/vhost/Kconfig | 
|  |  | 
|  | endif # VIRTUALIZATION |