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usr
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src
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linux-headers-5.15.0-181
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arch
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x86
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kvm
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/usr/src/linux-headers-5.15.0-181/arch/x86/kvm
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Kconfig
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Makefile
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/usr/src/linux-headers-5.15.0-181/arch/x86/kvm/Kconfig
(3666B)
# 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 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 SCHED_INFO 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 select HAVE_KVM_PM_NOTIFIER if PM 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 X86_SGX_KVM bool "Software Guard eXtensions (SGX) Virtualization" depends on X86_SGX && KVM_INTEL help Enables KVM guests to create SGX enclaves. This includes support to expose "raw" unreclaimable enclave memory to guests via a device node, e.g. /dev/sgx_vepc. If unsure, say N. 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 (SEV) and Encrypted VMs with Encrypted State (SEV-ES) on AMD processors. config KVM_XEN bool "Support for Xen hypercall interface" depends on KVM help Provides KVM support for the hosting Xen HVM guests and passing Xen hypercalls to userspace. If in doubt, say "N". 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
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