1# 2# KVM configuration 3# 4 5source "virt/kvm/Kconfig" 6 7menuconfig VIRTUALIZATION 8 bool "Virtualization" 9 ---help--- 10 Say Y here to get to see options for using your Linux host to run 11 other operating systems inside virtual machines (guests). 12 This option alone does not add any kernel code. 13 14 If you say N, all options in this submenu will be skipped and 15 disabled. 16 17if VIRTUALIZATION 18 19config KVM 20 bool "Kernel-based Virtual Machine (KVM) support" 21 select PREEMPT_NOTIFIERS 22 select ANON_INODES 23 select KVM_MMIO 24 select KVM_ARM_HOST 25 depends on ARM_VIRT_EXT && ARM_LPAE 26 ---help--- 27 Support hosting virtualized guest machines. You will also 28 need to select one or more of the processor modules below. 29 30 This module provides access to the hardware capabilities through 31 a character device node named /dev/kvm. 32 33 If unsure, say N. 34 35config KVM_ARM_HOST 36 bool "KVM host support for ARM cpus." 37 depends on KVM 38 depends on MMU 39 select MMU_NOTIFIER 40 ---help--- 41 Provides host support for ARM processors. 42 43config KVM_ARM_MAX_VCPUS 44 int "Number maximum supported virtual CPUs per VM" if KVM_ARM_HOST 45 default 4 if KVM_ARM_HOST 46 default 0 47 help 48 Static number of max supported virtual CPUs per VM. 49 50 If you choose a high number, the vcpu structures will be quite 51 large, so only choose a reasonable number that you expect to 52 actually use. 53 54config KVM_ARM_VGIC 55 bool "KVM support for Virtual GIC" 56 depends on KVM_ARM_HOST && OF 57 select HAVE_KVM_IRQCHIP 58 default y 59 ---help--- 60 Adds support for a hardware assisted, in-kernel GIC emulation. 61 62config KVM_ARM_TIMER 63 bool "KVM support for Architected Timers" 64 depends on KVM_ARM_VGIC && ARM_ARCH_TIMER 65 select HAVE_KVM_IRQCHIP 66 default y 67 ---help--- 68 Adds support for the Architected Timers in virtual machines 69 70source drivers/virtio/Kconfig 71 72endif # VIRTUALIZATION 73