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1# SPDX-License-Identifier: GPL-2.0
2# KVM common configuration items and defaults
3
4config KVM_COMMON
5 bool
6 select EVENTFD
7 select INTERVAL_TREE
8 select MMU_NOTIFIER
9 select PREEMPT_NOTIFIERS
10
11config HAVE_KVM_PFNCACHE
12 bool
13
14config HAVE_KVM_IRQCHIP
15 bool
16
17config HAVE_KVM_IRQ_ROUTING
18 bool
19
20config HAVE_KVM_DIRTY_RING
21 bool
22
23# Only strongly ordered architectures can select this, as it doesn't
24# put any explicit constraint on userspace ordering. They can also
25# select the _ACQ_REL version.
26config HAVE_KVM_DIRTY_RING_TSO
27 bool
28 select HAVE_KVM_DIRTY_RING
29 depends on X86
30
31# Weakly ordered architectures can only select this, advertising
32# to userspace the additional ordering requirements.
33config HAVE_KVM_DIRTY_RING_ACQ_REL
34 bool
35 select HAVE_KVM_DIRTY_RING
36
37# Allow enabling both the dirty bitmap and dirty ring. Only architectures
38# that need to dirty memory outside of a vCPU context should select this.
39config NEED_KVM_DIRTY_RING_WITH_BITMAP
40 bool
41 depends on HAVE_KVM_DIRTY_RING
42
43config KVM_MMIO
44 bool
45
46config KVM_ASYNC_PF
47 bool
48
49# Toggle to switch between direct notification and batch job
50config KVM_ASYNC_PF_SYNC
51 bool
52
53config HAVE_KVM_MSI
54 bool
55
56config HAVE_KVM_READONLY_MEM
57 bool
58
59config HAVE_KVM_CPU_RELAX_INTERCEPT
60 bool
61
62config KVM_VFIO
63 bool
64
65config HAVE_KVM_INVALID_WAKEUPS
66 bool
67
68config KVM_GENERIC_DIRTYLOG_READ_PROTECT
69 bool
70
71config KVM_GENERIC_PRE_FAULT_MEMORY
72 bool
73
74config KVM_COMPAT
75 def_bool y
76 depends on KVM && COMPAT && !(S390 || ARM64 || RISCV)
77
78config HAVE_KVM_IRQ_BYPASS
79 tristate
80 select IRQ_BYPASS_MANAGER
81
82config HAVE_KVM_VCPU_RUN_PID_CHANGE
83 bool
84
85config HAVE_KVM_NO_POLL
86 bool
87
88config VIRT_XFER_TO_GUEST_WORK
89 bool
90
91config HAVE_KVM_PM_NOTIFIER
92 bool
93
94config KVM_GENERIC_HARDWARE_ENABLING
95 bool
96
97config KVM_ELIDE_TLB_FLUSH_IF_YOUNG
98 bool
99
100config KVM_MMU_LOCKLESS_AGING
101 bool
102
103config KVM_GENERIC_MEMORY_ATTRIBUTES
104 bool
105
106config KVM_GUEST_MEMFD
107 select XARRAY_MULTI
108 bool
109
110config HAVE_KVM_ARCH_GMEM_CONVERT
111 bool
112 depends on KVM_GUEST_MEMFD
113
114config HAVE_KVM_ARCH_GMEM_RECLAIM
115 bool
116 depends on KVM_GUEST_MEMFD
117
118config HAVE_KVM_ARCH_GMEM_INVALIDATE
119 bool
120 depends on KVM_GUEST_MEMFD
121
122config HAVE_KVM_ARCH_GMEM_POPULATE
123 bool
124 depends on KVM_GUEST_MEMFD