1# SPDX-License-Identifier: GPL-2.0 2# 3# KVM configuration 4# 5 6source "virt/lib/Kconfig" 7 8menuconfig VIRTUALIZATION 9 bool "Virtualization" 10 help 11 Say Y here to get to see options for using your Linux host to run 12 other operating systems inside virtual machines (guests). 13 This option alone does not add any kernel code. 14 15 If you say N, all options in this submenu will be skipped and 16 disabled. 17 18if VIRTUALIZATION 19 20menuconfig KVM 21 bool "Kernel-based Virtual Machine (KVM) support" 22 depends on OF 23 # for TASKSTATS/TASK_DELAY_ACCT: 24 depends on NET && MULTIUSER 25 select MMU_NOTIFIER 26 select PREEMPT_NOTIFIERS 27 select HAVE_KVM_CPU_RELAX_INTERCEPT 28 select HAVE_KVM_ARCH_TLB_FLUSH_ALL 29 select KVM_MMIO 30 select KVM_GENERIC_DIRTYLOG_READ_PROTECT 31 select SRCU 32 select KVM_VFIO 33 select HAVE_KVM_EVENTFD 34 select HAVE_KVM_IRQFD 35 select HAVE_KVM_MSI 36 select HAVE_KVM_IRQCHIP 37 select HAVE_KVM_IRQ_ROUTING 38 select IRQ_BYPASS_MANAGER 39 select HAVE_KVM_IRQ_BYPASS 40 select HAVE_KVM_VCPU_RUN_PID_CHANGE 41 select TASKSTATS 42 select TASK_DELAY_ACCT 43 help 44 Support hosting virtualized guest machines. 45 46 If unsure, say N. 47 48if KVM 49 50source "virt/kvm/Kconfig" 51 52config KVM_ARM_PMU 53 bool "Virtual Performance Monitoring Unit (PMU) support" 54 depends on HW_PERF_EVENTS 55 default y 56 help 57 Adds support for a virtual Performance Monitoring Unit (PMU) in 58 virtual machines. 59 60config KVM_INDIRECT_VECTORS 61 def_bool HARDEN_BRANCH_PREDICTOR || RANDOMIZE_BASE 62 63endif # KVM 64 65endif # VIRTUALIZATION 66