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# SPDX-License-Identifier: GPL-2.0
#
# KVM configuration
#
source "virt/kvm/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
config KVM
tristate "Kernel-based Virtual Machine (KVM) support"
depends on HAVE_KVM
depends on MIPS_FP_SUPPORT
select EXPORT_UASM
select PREEMPT_NOTIFIERS
select KVM_GENERIC_DIRTYLOG_READ_PROTECT
select HAVE_KVM_VCPU_ASYNC_IOCTL
select KVM_MMIO
select MMU_NOTIFIER
select SRCU
---help---
Support for hosting Guest kernels.
choice
prompt "Virtualization mode"
depends on KVM
default KVM_MIPS_TE
config KVM_MIPS_TE
bool "Trap & Emulate"
---help---
Use trap and emulate to virtualize 32-bit guests in user mode. This
does not require any special hardware Virtualization support beyond
standard MIPS32/64 r2 or later, but it does require the guest kernel
to be configured with CONFIG_KVM_GUEST=y so that it resides in the
user address segment.
config KVM_MIPS_VZ
bool "MIPS Virtualization (VZ) ASE"
---help---
Use the MIPS Virtualization (VZ) ASE to virtualize guests. This
supports running unmodified guest kernels (with CONFIG_KVM_GUEST=n),
but requires hardware support.
endchoice
config KVM_MIPS_DYN_TRANS
bool "KVM/MIPS: Dynamic binary translation to reduce traps"
depends on KVM_MIPS_TE
default y
---help---
When running in Trap & Emulate mode patch privileged
instructions to reduce the number of traps.
If unsure, say Y.
config KVM_MIPS_DEBUG_COP0_COUNTERS
bool "Maintain counters for COP0 accesses"
depends on KVM
---help---
Maintain statistics for Guest COP0 accesses.
A histogram of COP0 accesses is printed when the VM is
shutdown.
If unsure, say N.
source "drivers/vhost/Kconfig"
endif # VIRTUALIZATION
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