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_IRQFD 31 select HAVE_KVM_IRQ_ROUTING 32 select HAVE_KVM_EVENTFD 33 select KVM_APIC_ARCHITECTURE 34 select KVM_ASYNC_PF 35 select USER_RETURN_NOTIFIER 36 select KVM_MMIO 37 select TASKSTATS 38 select TASK_DELAY_ACCT 39 select PERF_EVENTS 40 select HAVE_KVM_MSI 41 select HAVE_KVM_CPU_RELAX_INTERCEPT 42 select KVM_GENERIC_DIRTYLOG_READ_PROTECT 43 select KVM_VFIO 44 select SRCU 45 ---help--- 46 Support hosting fully virtualized guest machines using hardware 47 virtualization extensions. You will need a fairly recent 48 processor equipped with virtualization extensions. You will also 49 need to select one or more of the processor modules below. 50 51 This module provides access to the hardware capabilities through 52 a character device node named /dev/kvm. 53 54 To compile this as a module, choose M here: the module 55 will be called kvm. 56 57 If unsure, say N. 58 59config KVM_INTEL 60 tristate "KVM for Intel processors support" 61 depends on KVM 62 # for perf_guest_get_msrs(): 63 depends on CPU_SUP_INTEL 64 ---help--- 65 Provides support for KVM on Intel processors equipped with the VT 66 extensions. 67 68 To compile this as a module, choose M here: the module 69 will be called kvm-intel. 70 71config KVM_AMD 72 tristate "KVM for AMD processors support" 73 depends on KVM 74 ---help--- 75 Provides support for KVM on AMD processors equipped with the AMD-V 76 (SVM) extensions. 77 78 To compile this as a module, choose M here: the module 79 will be called kvm-amd. 80 81config KVM_MMU_AUDIT 82 bool "Audit KVM MMU" 83 depends on KVM && TRACEPOINTS 84 ---help--- 85 This option adds a R/W kVM module parameter 'mmu_audit', which allows 86 auditing of KVM MMU events at runtime. 87 88config KVM_DEVICE_ASSIGNMENT 89 bool "KVM legacy PCI device assignment support" 90 depends on KVM && PCI && IOMMU_API 91 default y 92 ---help--- 93 Provide support for legacy PCI device assignment through KVM. The 94 kernel now also supports a full featured userspace device driver 95 framework through VFIO, which supersedes much of this support. 96 97 If unsure, say Y. 98 99# OK, it's a little counter-intuitive to do this, but it puts it neatly under 100# the virtualization menu. 101source drivers/vhost/Kconfig 102source drivers/lguest/Kconfig 103 104endif # VIRTUALIZATION 105