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