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 depends on OF 22 select MMU_NOTIFIER 23 select PREEMPT_NOTIFIERS 24 select ANON_INODES 25 select HAVE_KVM_CPU_RELAX_INTERCEPT 26 select HAVE_KVM_ARCH_TLB_FLUSH_ALL 27 select KVM_MMIO 28 select KVM_ARM_HOST 29 select KVM_GENERIC_DIRTYLOG_READ_PROTECT 30 select SRCU 31 select KVM_VFIO 32 select HAVE_KVM_EVENTFD 33 select HAVE_KVM_IRQFD 34 ---help--- 35 Support hosting virtualized guest machines. 36 37 If unsure, say N. 38 39config KVM_ARM_HOST 40 bool 41 ---help--- 42 Provides host support for ARM processors. 43 44config KVM_ARM_MAX_VCPUS 45 int "Number maximum supported virtual CPUs per VM" 46 depends on KVM_ARM_HOST 47 default 4 48 help 49 Static number of max supported virtual CPUs per VM. 50 51 If you choose a high number, the vcpu structures will be quite 52 large, so only choose a reasonable number that you expect to 53 actually use. 54 55endif # VIRTUALIZATION 56