| # SPDX-License-Identifier: GPL-2.0 |
| # |
| # KVM configuration |
| # |
| |
| source "virt/kvm/Kconfig" |
| source "virt/lib/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" |
| depends on OF |
| select MMU_NOTIFIER |
| 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 |
| select KVM_VFIO |
| select HAVE_KVM_EVENTFD |
| select HAVE_KVM_IRQFD |
| select KVM_ARM_PMU if HW_PERF_EVENTS |
| select HAVE_KVM_MSI |
| select HAVE_KVM_IRQCHIP |
| select HAVE_KVM_IRQ_ROUTING |
| select IRQ_BYPASS_MANAGER |
| select HAVE_KVM_IRQ_BYPASS |
| ---help--- |
| Support hosting virtualized guest machines. |
| We don't support KVM with 16K page tables yet, due to the multiple |
| levels of fake page tables. |
| |
| If unsure, say N. |
| |
| config KVM_ARM_HOST |
| bool |
| ---help--- |
| Provides host support for ARM processors. |
| |
| config KVM_ARM_PMU |
| bool |
| ---help--- |
| Adds support for a virtual Performance Monitoring Unit (PMU) in |
| virtual machines. |
| |
| config KVM_INDIRECT_VECTORS |
| def_bool KVM && (HARDEN_BRANCH_PREDICTOR || HARDEN_EL2_VECTORS) |
| |
| source drivers/vhost/Kconfig |
| |
| endif # VIRTUALIZATION |