| # |
| # KVM configuration |
| # |
| |
| source "virt/kvm/Kconfig" |
| |
| menuconfig VIRTUALIZATION |
| bool "Virtualization" |
| ---help--- |
| Say Y here to get to see options for using your Linux host to run |
| other operating systems inside virtual machines (guests). |
| This option alone does not add any kernel code. |
| |
| If you say N, all options in this submenu will be skipped and |
| disabled. |
| |
| if VIRTUALIZATION |
| |
| config KVM |
| bool "Kernel-based Virtual Machine (KVM) support" |
| select PREEMPT_NOTIFIERS |
| select ANON_INODES |
| select HAVE_KVM_CPU_RELAX_INTERCEPT |
| select HAVE_KVM_ARCH_TLB_FLUSH_ALL |
| select KVM_MMIO |
| select KVM_ARM_HOST |
| select KVM_GENERIC_DIRTYLOG_READ_PROTECT |
| select SRCU |
| depends on ARM_VIRT_EXT && ARM_LPAE |
| ---help--- |
| Support hosting virtualized guest machines. You will also |
| need to select one or more of the processor modules below. |
| |
| This module provides access to the hardware capabilities through |
| a character device node named /dev/kvm. |
| |
| If unsure, say N. |
| |
| config KVM_ARM_HOST |
| bool "KVM host support for ARM cpus." |
| depends on KVM |
| depends on MMU |
| select MMU_NOTIFIER |
| ---help--- |
| Provides host support for ARM processors. |
| |
| config KVM_ARM_MAX_VCPUS |
| int "Number maximum supported virtual CPUs per VM" |
| depends on KVM_ARM_HOST |
| default 4 |
| help |
| Static number of max supported virtual CPUs per VM. |
| |
| If you choose a high number, the vcpu structures will be quite |
| large, so only choose a reasonable number that you expect to |
| actually use. |
| |
| config KVM_ARM_VGIC |
| bool "KVM support for Virtual GIC" |
| depends on KVM_ARM_HOST && OF |
| select HAVE_KVM_IRQCHIP |
| default y |
| ---help--- |
| Adds support for a hardware assisted, in-kernel GIC emulation. |
| |
| config KVM_ARM_TIMER |
| bool "KVM support for Architected Timers" |
| depends on KVM_ARM_VGIC && ARM_ARCH_TIMER |
| select HAVE_KVM_IRQCHIP |
| default y |
| ---help--- |
| Adds support for the Architected Timers in virtual machines |
| |
| endif # VIRTUALIZATION |