1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # 2 #
3 # KVM configuration 3 # KVM configuration
4 # 4 #
5 source "virt/kvm/Kconfig" 5 source "virt/kvm/Kconfig"
6 6
7 menuconfig VIRTUALIZATION 7 menuconfig VIRTUALIZATION
8 def_bool y !! 8 bool "Virtualization"
9 prompt "KVM" <<
10 help 9 help
11 Say Y here to get to see options for !! 10 Say Y here to get to see options for using your Linux host to run
12 operating systems inside virtual mac !! 11 other operating systems inside virtual machines (guests).
13 This option alone does not add any k 12 This option alone does not add any kernel code.
14 13
15 If you say N, all options in this su 14 If you say N, all options in this submenu will be skipped and disabled.
16 15
17 if VIRTUALIZATION 16 if VIRTUALIZATION
18 17
19 config KVM 18 config KVM
20 def_tristate y !! 19 tristate "Kernel-based Virtual Machine (KVM) support"
21 prompt "Kernel-based Virtual Machine ( !! 20 depends on HAVE_KVM
22 select HAVE_KVM_CPU_RELAX_INTERCEPT !! 21 depends on MIPS_FP_SUPPORT
>> 22 select EXPORT_UASM
>> 23 select PREEMPT_NOTIFIERS
>> 24 select KVM_GENERIC_DIRTYLOG_READ_PROTECT
>> 25 select HAVE_KVM_EVENTFD
23 select HAVE_KVM_VCPU_ASYNC_IOCTL 26 select HAVE_KVM_VCPU_ASYNC_IOCTL
24 select KVM_ASYNC_PF !! 27 select KVM_MMIO
25 select KVM_ASYNC_PF_SYNC <<
26 select KVM_COMMON <<
27 select HAVE_KVM_IRQCHIP <<
28 select HAVE_KVM_IRQ_ROUTING <<
29 select HAVE_KVM_INVALID_WAKEUPS <<
30 select HAVE_KVM_NO_POLL <<
31 select KVM_VFIO <<
32 select MMU_NOTIFIER 28 select MMU_NOTIFIER
>> 29 select SRCU
33 help 30 help
34 Support hosting paravirtualized gues !! 31 Support for hosting Guest kernels.
35 virtualization capability on the mai <<
36 on any 64bit machine. <<
37 32
38 This module provides access to the h !! 33 choice
39 a character device node named /dev/k !! 34 prompt "Virtualization mode"
>> 35 depends on KVM
>> 36 default KVM_MIPS_TE
>> 37
>> 38 config KVM_MIPS_TE
>> 39 bool "Trap & Emulate"
>> 40 depends on CPU_MIPS32_R2
>> 41 help
>> 42 Use trap and emulate to virtualize 32-bit guests in user mode. This
>> 43 does not require any special hardware Virtualization support beyond
>> 44 standard MIPS32 r2 or later, but it does require the guest kernel
>> 45 to be configured with CONFIG_KVM_GUEST=y so that it resides in the
>> 46 user address segment.
40 47
41 To compile this as a module, choose !! 48 config KVM_MIPS_VZ
42 will be called kvm. !! 49 bool "MIPS Virtualization (VZ) ASE"
>> 50 help
>> 51 Use the MIPS Virtualization (VZ) ASE to virtualize guests. This
>> 52 supports running unmodified guest kernels (with CONFIG_KVM_GUEST=n),
>> 53 but requires hardware support.
>> 54
>> 55 endchoice
>> 56
>> 57 config KVM_MIPS_DYN_TRANS
>> 58 bool "KVM/MIPS: Dynamic binary translation to reduce traps"
>> 59 depends on KVM_MIPS_TE
>> 60 default y
>> 61 help
>> 62 When running in Trap & Emulate mode patch privileged
>> 63 instructions to reduce the number of traps.
43 64
44 If unsure, say N. !! 65 If unsure, say Y.
45 66
46 config KVM_S390_UCONTROL !! 67 config KVM_MIPS_DEBUG_COP0_COUNTERS
47 bool "Userspace controlled virtual mac !! 68 bool "Maintain counters for COP0 accesses"
48 depends on KVM 69 depends on KVM
49 help 70 help
50 Allow CAP_SYS_ADMIN users to create !! 71 Maintain statistics for Guest COP0 accesses.
51 controlled by userspace. !! 72 A histogram of COP0 accesses is printed when the VM is
>> 73 shutdown.
52 74
53 If unsure, say N. 75 If unsure, say N.
54 76
55 endif # VIRTUALIZATION 77 endif # VIRTUALIZATION
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