| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | # |
| 3 | # KVM configuration |
| 4 | # |
| 5 | |
| 6 | source "virt/kvm/Kconfig" |
| 7 | source "virt/lib/Kconfig" |
| 8 | |
| 9 | menuconfig 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 | |
| 19 | if VIRTUALIZATION |
| 20 | |
| 21 | config 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 | |
| 49 | config KVM_ARM_HOST |
| 50 | bool |
| 51 | ---help--- |
| 52 | Provides host support for ARM processors. |
| 53 | |
| 54 | config KVM_ARM_PMU |
| 55 | bool |
| 56 | ---help--- |
| 57 | Adds support for a virtual Performance Monitoring Unit (PMU) in |
| 58 | virtual machines. |
| 59 | |
| 60 | config KVM_INDIRECT_VECTORS |
| 61 | def_bool KVM && (HARDEN_BRANCH_PREDICTOR || HARDEN_EL2_VECTORS) |
| 62 | |
| 63 | source drivers/vhost/Kconfig |
| 64 | |
| 65 | endif # VIRTUALIZATION |