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 <<
6 source "virt/kvm/Kconfig" 5 source "virt/kvm/Kconfig"
7 6
8 menuconfig VIRTUALIZATION 7 menuconfig VIRTUALIZATION
9 bool "Virtualization" 8 bool "Virtualization"
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 other operating systems inside virtu 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 disabled. <<
17 15
18 if VIRTUALIZATION 16 if VIRTUALIZATION
19 17
20 menuconfig KVM !! 18 config KVM
21 bool "Kernel-based Virtual Machine (KV !! 19 tristate "Kernel-based Virtual Machine (KVM) support"
22 depends on AS_HAS_ARMV8_4 !! 20 depends on CPU_SUPPORTS_VZ
>> 21 depends on MIPS_FP_SUPPORT
>> 22 select EXPORT_UASM
23 select KVM_COMMON 23 select KVM_COMMON
24 select KVM_GENERIC_HARDWARE_ENABLING <<
25 select KVM_GENERIC_MMU_NOTIFIER <<
26 select HAVE_KVM_CPU_RELAX_INTERCEPT <<
27 select KVM_MMIO <<
28 select KVM_GENERIC_DIRTYLOG_READ_PROTE 24 select KVM_GENERIC_DIRTYLOG_READ_PROTECT
29 select KVM_XFER_TO_GUEST_WORK !! 25 select HAVE_KVM_VCPU_ASYNC_IOCTL
30 select KVM_VFIO !! 26 select KVM_MMIO
31 select HAVE_KVM_DIRTY_RING_ACQ_REL !! 27 select KVM_GENERIC_MMU_NOTIFIER
32 select NEED_KVM_DIRTY_RING_WITH_BITMAP !! 28 select KVM_GENERIC_HARDWARE_ENABLING
33 select HAVE_KVM_MSI <<
34 select HAVE_KVM_IRQCHIP <<
35 select HAVE_KVM_IRQ_ROUTING <<
36 select HAVE_KVM_IRQ_BYPASS <<
37 select HAVE_KVM_READONLY_MEM 29 select HAVE_KVM_READONLY_MEM
38 select HAVE_KVM_VCPU_RUN_PID_CHANGE <<
39 select SCHED_INFO <<
40 select GUEST_PERF_EVENTS if PERF_EVENT <<
41 help 30 help
42 Support hosting virtualized guest ma !! 31 Support for hosting Guest kernels.
43 <<
44 If unsure, say N. <<
45 32
46 config NVHE_EL2_DEBUG !! 33 config KVM_MIPS_DEBUG_COP0_COUNTERS
47 bool "Debug mode for non-VHE EL2 objec !! 34 bool "Maintain counters for COP0 accesses"
48 depends on KVM 35 depends on KVM
49 help 36 help
50 Say Y here to enable the debug mode !! 37 Maintain statistics for Guest COP0 accesses.
51 Failure reports will BUG() in the hy !! 38 A histogram of COP0 accesses is printed when the VM is
52 local EL2 hypervisor development. !! 39 shutdown.
53 40
54 If unsure, say N. 41 If unsure, say N.
55 <<
56 config PROTECTED_NVHE_STACKTRACE <<
57 bool "Protected KVM hypervisor stacktr <<
58 depends on NVHE_EL2_DEBUG <<
59 default n <<
60 help <<
61 Say Y here to enable pKVM hypervisor <<
62 <<
63 If using protected nVHE mode, but ca <<
64 memory cost (less than 0.75 page per <<
65 say N. <<
66 <<
67 If unsure, or not using protected nV <<
68 <<
69 config PTDUMP_STAGE2_DEBUGFS <<
70 bool "Present the stage-2 pagetables t <<
71 depends on KVM <<
72 depends on DEBUG_KERNEL <<
73 depends on DEBUG_FS <<
74 depends on GENERIC_PTDUMP <<
75 select PTDUMP_CORE <<
76 default n <<
77 help <<
78 Say Y here if you want to show the s <<
79 layout in a debugfs file. This infor <<
80 who are working in architecture spec <<
81 It is probably not a good idea to en <<
82 kernel. <<
83 <<
84 If in doubt, say N. <<
85 42
86 endif # VIRTUALIZATION 43 endif # VIRTUALIZATION
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