1# 2# KVM configuration 3# 4 5source "virt/kvm/Kconfig" 6 7menuconfig 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 18if VIRTUALIZATION 19 20config 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 ---help--- 42 Support hosting fully virtualized guest machines using hardware 43 virtualization extensions. You will need a fairly recent 44 processor equipped with virtualization extensions. You will also 45 need to select one or more of the processor modules below. 46 47 This module provides access to the hardware capabilities through 48 a character device node named /dev/kvm. 49 50 To compile this as a module, choose M here: the module 51 will be called kvm. 52 53 If unsure, say N. 54 55config KVM_INTEL 56 tristate "KVM for Intel processors support" 57 depends on KVM 58 # for perf_guest_get_msrs(): 59 depends on CPU_SUP_INTEL 60 ---help--- 61 Provides support for KVM on Intel processors equipped with the VT 62 extensions. 63 64 To compile this as a module, choose M here: the module 65 will be called kvm-intel. 66 67config KVM_AMD 68 tristate "KVM for AMD processors support" 69 depends on KVM 70 ---help--- 71 Provides support for KVM on AMD processors equipped with the AMD-V 72 (SVM) extensions. 73 74 To compile this as a module, choose M here: the module 75 will be called kvm-amd. 76 77config KVM_MMU_AUDIT 78 bool "Audit KVM MMU" 79 depends on KVM && TRACEPOINTS 80 ---help--- 81 This option adds a R/W kVM module parameter 'mmu_audit', which allows 82 audit KVM MMU at runtime. 83 84config KVM_DEVICE_ASSIGNMENT 85 bool "KVM legacy PCI device assignment support" 86 depends on KVM && PCI && IOMMU_API 87 default y 88 ---help--- 89 Provide support for legacy PCI device assignment through KVM. The 90 kernel now also supports a full featured userspace device driver 91 framework through VFIO, which supersedes much of this support. 92 93 If unsure, say Y. 94 95# OK, it's a little counter-intuitive to do this, but it puts it neatly under 96# the virtualization menu. 97source drivers/vhost/Kconfig 98source drivers/lguest/Kconfig 99 100endif # VIRTUALIZATION 101