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 IRQ_BYPASS_MANAGER 32 select HAVE_KVM_IRQ_BYPASS 33 select HAVE_KVM_IRQ_ROUTING 34 select HAVE_KVM_EVENTFD 35 select KVM_APIC_ARCHITECTURE 36 select KVM_ASYNC_PF 37 select USER_RETURN_NOTIFIER 38 select KVM_MMIO 39 select TASKSTATS 40 select TASK_DELAY_ACCT 41 select PERF_EVENTS 42 select HAVE_KVM_MSI 43 select HAVE_KVM_CPU_RELAX_INTERCEPT 44 select KVM_GENERIC_DIRTYLOG_READ_PROTECT 45 select KVM_VFIO 46 select SRCU 47 ---help--- 48 Support hosting fully virtualized guest machines using hardware 49 virtualization extensions. You will need a fairly recent 50 processor equipped with virtualization extensions. You will also 51 need to select one or more of the processor modules below. 52 53 This module provides access to the hardware capabilities through 54 a character device node named /dev/kvm. 55 56 To compile this as a module, choose M here: the module 57 will be called kvm. 58 59 If unsure, say N. 60 61config KVM_INTEL 62 tristate "KVM for Intel processors support" 63 depends on KVM 64 # for perf_guest_get_msrs(): 65 depends on CPU_SUP_INTEL 66 ---help--- 67 Provides support for KVM on Intel processors equipped with the VT 68 extensions. 69 70 To compile this as a module, choose M here: the module 71 will be called kvm-intel. 72 73config KVM_AMD 74 tristate "KVM for AMD processors support" 75 depends on KVM 76 ---help--- 77 Provides support for KVM on AMD processors equipped with the AMD-V 78 (SVM) extensions. 79 80 To compile this as a module, choose M here: the module 81 will be called kvm-amd. 82 83config KVM_MMU_AUDIT 84 bool "Audit KVM MMU" 85 depends on KVM && TRACEPOINTS 86 ---help--- 87 This option adds a R/W kVM module parameter 'mmu_audit', which allows 88 auditing of KVM MMU events at runtime. 89 90config KVM_DEVICE_ASSIGNMENT 91 bool "KVM legacy PCI device assignment support (DEPRECATED)" 92 depends on KVM && PCI && IOMMU_API 93 default n 94 ---help--- 95 Provide support for legacy PCI device assignment through KVM. The 96 kernel now also supports a full featured userspace device driver 97 framework through VFIO, which supersedes this support and provides 98 better security. 99 100 If unsure, say N. 101 102# OK, it's a little counter-intuitive to do this, but it puts it neatly under 103# the virtualization menu. 104source drivers/vhost/Kconfig 105source drivers/lguest/Kconfig 106 107endif # VIRTUALIZATION 108