| # SPDX-License-Identifier: GPL-2.0 |
| # |
| # KVM configuration |
| # |
| |
| 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 |
| |
| menuconfig KVM |
| bool "Kernel-based Virtual Machine (KVM) support" |
| depends on OF |
| # for TASKSTATS/TASK_DELAY_ACCT: |
| depends on NET && MULTIUSER |
| select MMU_NOTIFIER |
| select PREEMPT_NOTIFIERS |
| select HAVE_KVM_CPU_RELAX_INTERCEPT |
| select HAVE_KVM_ARCH_TLB_FLUSH_ALL |
| select KVM_MMIO |
| select KVM_GENERIC_DIRTYLOG_READ_PROTECT |
| select SRCU |
| select KVM_VFIO |
| select HAVE_KVM_EVENTFD |
| select HAVE_KVM_IRQFD |
| select HAVE_KVM_MSI |
| select HAVE_KVM_IRQCHIP |
| select HAVE_KVM_IRQ_ROUTING |
| select IRQ_BYPASS_MANAGER |
| select HAVE_KVM_IRQ_BYPASS |
| select HAVE_KVM_VCPU_RUN_PID_CHANGE |
| select TASKSTATS |
| select TASK_DELAY_ACCT |
| help |
| Support hosting virtualized guest machines. |
| |
| If unsure, say N. |
| |
| if KVM |
| |
| source "virt/kvm/Kconfig" |
| |
| config KVM_ARM_PMU |
| bool "Virtual Performance Monitoring Unit (PMU) support" |
| depends on HW_PERF_EVENTS |
| default y |
| help |
| Adds support for a virtual Performance Monitoring Unit (PMU) in |
| virtual machines. |
| |
| menuconfig KVM_ARM_HYP_DEBUG_UART |
| bool "Hack up some basic UART functionality at EL2" |
| |
| if KVM_ARM_HYP_DEBUG_UART |
| |
| choice |
| prompt "Development board" |
| default KVM_ARM_HYP_DEBUG_UART_BOARD_QEMU |
| |
| config KVM_ARM_HYP_DEBUG_UART_BOARD_QEMU |
| bool "QEMU" |
| |
| config KVM_ARM_HYP_DEBUG_UART_BOARD_ROCK_PI_4 |
| bool "Rock Pi 4" |
| |
| config KVM_ARM_HYP_DEBUG_UART_BOARD_OTHER |
| bool "other" |
| |
| endchoice |
| |
| choice |
| prompt "UART driver" |
| default KVM_ARM_HYP_DEBUG_UART_DRIVER_8250 if KVM_ARM_HYP_DEBUG_UART_BOARD_ROCK_PI_4 |
| default KVM_ARM_HYP_DEBUG_UART_DRIVER_PL011 |
| |
| config KVM_ARM_HYP_DEBUG_UART_DRIVER_PL011 |
| bool "pl011" |
| |
| config KVM_ARM_HYP_DEBUG_UART_DRIVER_8250 |
| bool "8250" |
| |
| endchoice |
| |
| config KVM_ARM_HYP_DEBUG_UART_ADDR |
| hex "Physical address of the PL011 for EL2 to use" |
| default 0xff1a0000 if KVM_ARM_HYP_DEBUG_UART_BOARD_ROCK_PI_4 |
| default 0x09000000 |
| |
| endif # KVM_ARM_HYP_DEBUG_UART |
| |
| config KVM_INDIRECT_VECTORS |
| def_bool HARDEN_BRANCH_PREDICTOR || RANDOMIZE_BASE |
| |
| endif # KVM |
| |
| endif # VIRTUALIZATION |
