mirror of https://gitee.com/openkylin/linux.git
114 lines
3.1 KiB
Plaintext
114 lines
3.1 KiB
Plaintext
# 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 (SEV) and Encrypted VMs
|
|
with Encrypted State (SEV-ES) 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
|