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 && MULTIUSER 26 depends on X86_LOCAL_APIC 27 select PREEMPT_NOTIFIERS 28 select MMU_NOTIFIER 29 select ANON_INODES 30 select HAVE_KVM_IRQCHIP 31 select HAVE_KVM_IRQFD 32 select IRQ_BYPASS_MANAGER 33 select HAVE_KVM_IRQ_BYPASS 34 select HAVE_KVM_IRQ_ROUTING 35 select HAVE_KVM_EVENTFD 36 select KVM_APIC_ARCHITECTURE 37 select KVM_ASYNC_PF 38 select USER_RETURN_NOTIFIER 39 select KVM_MMIO 40 select TASKSTATS 41 select TASK_DELAY_ACCT 42 select PERF_EVENTS 43 select HAVE_KVM_MSI 44 select HAVE_KVM_CPU_RELAX_INTERCEPT 45 select KVM_GENERIC_DIRTYLOG_READ_PROTECT 46 select KVM_VFIO 47 select SRCU 48 ---help--- 49 Support hosting fully virtualized guest machines using hardware 50 virtualization extensions. You will need a fairly recent 51 processor equipped with virtualization extensions. You will also 52 need to select one or more of the processor modules below. 53 54 This module provides access to the hardware capabilities through 55 a character device node named /dev/kvm. 56 57 To compile this as a module, choose M here: the module 58 will be called kvm. 59 60 If unsure, say N. 61 62config KVM_INTEL 63 tristate "KVM for Intel processors support" 64 depends on KVM 65 # for perf_guest_get_msrs(): 66 depends on CPU_SUP_INTEL 67 ---help--- 68 Provides support for KVM on Intel processors equipped with the VT 69 extensions. 70 71 To compile this as a module, choose M here: the module 72 will be called kvm-intel. 73 74config KVM_AMD 75 tristate "KVM for AMD processors support" 76 depends on KVM 77 ---help--- 78 Provides support for KVM on AMD processors equipped with the AMD-V 79 (SVM) extensions. 80 81 To compile this as a module, choose M here: the module 82 will be called kvm-amd. 83 84config KVM_MMU_AUDIT 85 bool "Audit KVM MMU" 86 depends on KVM && TRACEPOINTS 87 ---help--- 88 This option adds a R/W kVM module parameter 'mmu_audit', which allows 89 auditing of KVM MMU events at runtime. 90 91config KVM_DEVICE_ASSIGNMENT 92 bool "KVM legacy PCI device assignment support (DEPRECATED)" 93 depends on KVM && PCI && IOMMU_API 94 default n 95 ---help--- 96 Provide support for legacy PCI device assignment through KVM. The 97 kernel now also supports a full featured userspace device driver 98 framework through VFIO, which supersedes this support and provides 99 better security. 100 101 If unsure, say N. 102 103# OK, it's a little counter-intuitive to do this, but it puts it neatly under 104# the virtualization menu. 105source drivers/vhost/Kconfig 106source drivers/lguest/Kconfig 107 108endif # VIRTUALIZATION 109