1# SPDX-License-Identifier: GPL-2.0 2# 3# KVM configuration 4# 5source "virt/kvm/Kconfig" 6 7menuconfig VIRTUALIZATION 8 bool "Virtualization" 9 ---help--- 10 Say Y here to get to see options for using your Linux host to run 11 other operating systems inside virtual machines (guests). 12 This option alone does not add any kernel code. 13 14 If you say N, all options in this submenu will be skipped and disabled. 15 16if VIRTUALIZATION 17 18config KVM 19 tristate "Kernel-based Virtual Machine (KVM) support" 20 depends on HAVE_KVM 21 depends on MIPS_FP_SUPPORT 22 select EXPORT_UASM 23 select PREEMPT_NOTIFIERS 24 select ANON_INODES 25 select KVM_GENERIC_DIRTYLOG_READ_PROTECT 26 select HAVE_KVM_VCPU_ASYNC_IOCTL 27 select KVM_MMIO 28 select MMU_NOTIFIER 29 select SRCU 30 ---help--- 31 Support for hosting Guest kernels. 32 33choice 34 prompt "Virtualization mode" 35 depends on KVM 36 default KVM_MIPS_TE 37 38config KVM_MIPS_TE 39 bool "Trap & Emulate" 40 ---help--- 41 Use trap and emulate to virtualize 32-bit guests in user mode. This 42 does not require any special hardware Virtualization support beyond 43 standard MIPS32/64 r2 or later, but it does require the guest kernel 44 to be configured with CONFIG_KVM_GUEST=y so that it resides in the 45 user address segment. 46 47config KVM_MIPS_VZ 48 bool "MIPS Virtualization (VZ) ASE" 49 ---help--- 50 Use the MIPS Virtualization (VZ) ASE to virtualize guests. This 51 supports running unmodified guest kernels (with CONFIG_KVM_GUEST=n), 52 but requires hardware support. 53 54endchoice 55 56config KVM_MIPS_DYN_TRANS 57 bool "KVM/MIPS: Dynamic binary translation to reduce traps" 58 depends on KVM_MIPS_TE 59 default y 60 ---help--- 61 When running in Trap & Emulate mode patch privileged 62 instructions to reduce the number of traps. 63 64 If unsure, say Y. 65 66config KVM_MIPS_DEBUG_COP0_COUNTERS 67 bool "Maintain counters for COP0 accesses" 68 depends on KVM 69 ---help--- 70 Maintain statistics for Guest COP0 accesses. 71 A histogram of COP0 accesses is printed when the VM is 72 shutdown. 73 74 If unsure, say N. 75 76source "drivers/vhost/Kconfig" 77 78endif # VIRTUALIZATION 79