1# SPDX-License-Identifier: GPL-2.0 2# 3# KVM configuration 4# 5 6source "virt/kvm/Kconfig" 7source "virt/lib/Kconfig" 8 9menuconfig VIRTUALIZATION 10 bool "Virtualization" 11 ---help--- 12 Say Y here to get to see options for using your Linux host to run 13 other 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 17 disabled. 18 19if VIRTUALIZATION 20 21config KVM 22 bool "Kernel-based Virtual Machine (KVM) support" 23 depends on OF 24 # for TASKSTATS/TASK_DELAY_ACCT: 25 depends on NET && MULTIUSER 26 select MMU_NOTIFIER 27 select PREEMPT_NOTIFIERS 28 select HAVE_KVM_CPU_RELAX_INTERCEPT 29 select HAVE_KVM_ARCH_TLB_FLUSH_ALL 30 select KVM_MMIO 31 select KVM_ARM_HOST 32 select KVM_GENERIC_DIRTYLOG_READ_PROTECT 33 select SRCU 34 select KVM_VFIO 35 select HAVE_KVM_EVENTFD 36 select HAVE_KVM_IRQFD 37 select KVM_ARM_PMU if HW_PERF_EVENTS 38 select HAVE_KVM_MSI 39 select HAVE_KVM_IRQCHIP 40 select HAVE_KVM_IRQ_ROUTING 41 select IRQ_BYPASS_MANAGER 42 select HAVE_KVM_IRQ_BYPASS 43 select HAVE_KVM_VCPU_RUN_PID_CHANGE 44 select TASKSTATS 45 select TASK_DELAY_ACCT 46 ---help--- 47 Support hosting virtualized guest machines. 48 We don't support KVM with 16K page tables yet, due to the multiple 49 levels of fake page tables. 50 51 If unsure, say N. 52 53config KVM_ARM_HOST 54 bool 55 ---help--- 56 Provides host support for ARM processors. 57 58config KVM_ARM_PMU 59 bool 60 ---help--- 61 Adds support for a virtual Performance Monitoring Unit (PMU) in 62 virtual machines. 63 64config KVM_INDIRECT_VECTORS 65 def_bool KVM && (HARDEN_BRANCH_PREDICTOR || HARDEN_EL2_VECTORS) 66 67source "drivers/vhost/Kconfig" 68 69endif # VIRTUALIZATION 70