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Diffstat (limited to 'arch/x86/kvm/Kconfig')
| -rw-r--r-- | arch/x86/kvm/Kconfig | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig new file mode 100644 index 000000000..f92dfd8ef --- /dev/null +++ b/arch/x86/kvm/Kconfig @@ -0,0 +1,112 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# KVM configuration +# + +source "virt/kvm/Kconfig" + +menuconfig VIRTUALIZATION + bool "Virtualization" + depends on HAVE_KVM || X86 + default y + 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 + tristate "Kernel-based Virtual Machine (KVM) support" + depends on HAVE_KVM + depends on HIGH_RES_TIMERS + # for TASKSTATS/TASK_DELAY_ACCT: + depends on NET && MULTIUSER + depends on X86_LOCAL_APIC + select PREEMPT_NOTIFIERS + select MMU_NOTIFIER + select HAVE_KVM_IRQCHIP + select HAVE_KVM_IRQFD + select IRQ_BYPASS_MANAGER + select HAVE_KVM_IRQ_BYPASS + select HAVE_KVM_IRQ_ROUTING + select HAVE_KVM_EVENTFD + select KVM_ASYNC_PF + select USER_RETURN_NOTIFIER + select KVM_MMIO + select TASKSTATS + select TASK_DELAY_ACCT + select PERF_EVENTS + select HAVE_KVM_MSI + select HAVE_KVM_CPU_RELAX_INTERCEPT + select HAVE_KVM_NO_POLL + select KVM_XFER_TO_GUEST_WORK + select KVM_GENERIC_DIRTYLOG_READ_PROTECT + select KVM_VFIO + select SRCU + help + Support hosting fully virtualized guest machines using hardware + virtualization extensions. You will need a fairly recent + processor equipped with virtualization extensions. You will also + need to select one or more of the processor modules below. + + This module provides access to the hardware capabilities through + a character device node named /dev/kvm. + + To compile this as a module, choose M here: the module + will be called kvm. + + If unsure, say N. + +config KVM_WERROR + bool "Compile KVM with -Werror" + # KASAN may cause the build to fail due to larger frames + default y if X86_64 && !KASAN + # We use the dependency on !COMPILE_TEST to not be enabled + # blindly in allmodconfig or allyesconfig configurations + depends on KVM + depends on (X86_64 && !KASAN) || !COMPILE_TEST + depends on EXPERT + help + Add -Werror to the build flags for KVM. + + If in doubt, say "N". + +config KVM_INTEL + tristate "KVM for Intel (and compatible) processors support" + depends on KVM && IA32_FEAT_CTL + help + Provides support for KVM on processors equipped with Intel's VT + extensions, a.k.a. Virtual Machine Extensions (VMX). + + To compile this as a module, choose M here: the module + will be called kvm-intel. + +config KVM_AMD + tristate "KVM for AMD processors support" + depends on KVM + help + Provides support for KVM on AMD processors equipped with the AMD-V + (SVM) extensions. + + To compile this as a module, choose M here: the module + will be called kvm-amd. + +config KVM_AMD_SEV + def_bool y + bool "AMD Secure Encrypted Virtualization (SEV) support" + depends on KVM_AMD && X86_64 + depends on CRYPTO_DEV_SP_PSP && !(KVM_AMD=y && CRYPTO_DEV_CCP_DD=m) + help + Provides support for launching Encrypted VMs on AMD processors. + +config KVM_MMU_AUDIT + bool "Audit KVM MMU" + depends on KVM && TRACEPOINTS + help + This option adds a R/W kVM module parameter 'mmu_audit', which allows + auditing of KVM MMU events at runtime. + +endif # VIRTUALIZATION |