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 select MMU_NOTIFIER 25 select PREEMPT_NOTIFIERS 26 select ANON_INODES 27 select HAVE_KVM_CPU_RELAX_INTERCEPT 28 select HAVE_KVM_ARCH_TLB_FLUSH_ALL 29 select KVM_MMIO 30 select KVM_ARM_HOST 31 select KVM_GENERIC_DIRTYLOG_READ_PROTECT 32 select SRCU 33 select KVM_VFIO 34 select HAVE_KVM_EVENTFD 35 select HAVE_KVM_IRQFD 36 select KVM_ARM_PMU if HW_PERF_EVENTS 37 select HAVE_KVM_MSI 38 select HAVE_KVM_IRQCHIP 39 select HAVE_KVM_IRQ_ROUTING 40 select IRQ_BYPASS_MANAGER 41 select HAVE_KVM_IRQ_BYPASS 42 select HAVE_KVM_VCPU_RUN_PID_CHANGE 43 ---help--- 44 Support hosting virtualized guest machines. 45 We don't support KVM with 16K page tables yet, due to the multiple 46 levels of fake page tables. 47 48 If unsure, say N. 49 50config KVM_ARM_HOST 51 bool 52 ---help--- 53 Provides host support for ARM processors. 54 55config KVM_ARM_PMU 56 bool 57 ---help--- 58 Adds support for a virtual Performance Monitoring Unit (PMU) in 59 virtual machines. 60 61config KVM_INDIRECT_VECTORS 62 def_bool KVM && (HARDEN_BRANCH_PREDICTOR || HARDEN_EL2_VECTORS) 63 64source "drivers/vhost/Kconfig" 65 66endif # VIRTUALIZATION 67