| # SPDX-License-Identifier: GPL-2.0 |
| # |
| # 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 |
| |
| menuconfig KVM |
| bool "Kernel-based Virtual Machine (KVM) support" |
| depends on AS_HAS_ARMV8_4 |
| select KVM_COMMON |
| select KVM_GENERIC_HARDWARE_ENABLING |
| select KVM_GENERIC_MMU_NOTIFIER |
| select HAVE_KVM_CPU_RELAX_INTERCEPT |
| select KVM_MMIO |
| select KVM_GENERIC_DIRTYLOG_READ_PROTECT |
| select KVM_XFER_TO_GUEST_WORK |
| select KVM_VFIO |
| select HAVE_KVM_DIRTY_RING_ACQ_REL |
| select NEED_KVM_DIRTY_RING_WITH_BITMAP |
| select HAVE_KVM_MSI |
| select HAVE_KVM_IRQCHIP |
| select HAVE_KVM_IRQ_ROUTING |
| select HAVE_KVM_IRQ_BYPASS |
| select HAVE_KVM_READONLY_MEM |
| select HAVE_KVM_VCPU_RUN_PID_CHANGE |
| select SCHED_INFO |
| select GUEST_PERF_EVENTS if PERF_EVENTS |
| help |
| Support hosting virtualized guest machines. |
| |
| If unsure, say N. |
| |
| config NVHE_EL2_DEBUG |
| bool "Debug mode for non-VHE EL2 object" |
| depends on KVM |
| help |
| Say Y here to enable the debug mode for the non-VHE KVM EL2 object. |
| Failure reports will BUG() in the hypervisor. This is intended for |
| local EL2 hypervisor development. |
| |
| If unsure, say N. |
| |
| config PROTECTED_NVHE_STACKTRACE |
| bool "Protected KVM hypervisor stacktraces" |
| depends on NVHE_EL2_DEBUG |
| default n |
| help |
| Say Y here to enable pKVM hypervisor stacktraces on hyp_panic() |
| |
| If using protected nVHE mode, but cannot afford the associated |
| memory cost (less than 0.75 page per CPU) of pKVM stacktraces, |
| say N. |
| |
| If unsure, or not using protected nVHE (pKVM), say N. |
| |
| config PTDUMP_STAGE2_DEBUGFS |
| bool "Present the stage-2 pagetables to debugfs" |
| depends on KVM |
| depends on DEBUG_KERNEL |
| depends on DEBUG_FS |
| depends on GENERIC_PTDUMP |
| select PTDUMP_CORE |
| default n |
| help |
| Say Y here if you want to show the stage-2 kernel pagetables |
| layout in a debugfs file. This information is only useful for kernel developers |
| who are working in architecture specific areas of the kernel. |
| It is probably not a good idea to enable this feature in a production |
| kernel. |
| |
| If in doubt, say N. |
| |
| config PROTECTED_NVHE_TESTING |
| bool "Protected KVM hypervisor testing infrastructure" |
| depends on KVM |
| default n |
| help |
| Say Y here to enable pKVM hypervisor testing infrastructure. |
| |
| If unsure, say N. |
| |
| endif # VIRTUALIZATION |
