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