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 KVM_COMMON 4 config KVM_COMMON
5 bool 5 bool
6 select EVENTFD 6 select EVENTFD
7 select INTERVAL_TREE 7 select INTERVAL_TREE
8 select PREEMPT_NOTIFIERS 8 select PREEMPT_NOTIFIERS
9 9
10 config HAVE_KVM_PFNCACHE 10 config HAVE_KVM_PFNCACHE
11 bool 11 bool
12 12
13 config HAVE_KVM_IRQCHIP 13 config HAVE_KVM_IRQCHIP
14 bool 14 bool
15 15
16 config HAVE_KVM_IRQ_ROUTING 16 config HAVE_KVM_IRQ_ROUTING
17 bool 17 bool
18 18
19 config HAVE_KVM_DIRTY_RING 19 config HAVE_KVM_DIRTY_RING
20 bool 20 bool
21 21
22 # Only strongly ordered architectures can sele 22 # Only strongly ordered architectures can select this, as it doesn't
23 # put any explicit constraint on userspace ord 23 # put any explicit constraint on userspace ordering. They can also
24 # select the _ACQ_REL version. 24 # select the _ACQ_REL version.
25 config HAVE_KVM_DIRTY_RING_TSO 25 config HAVE_KVM_DIRTY_RING_TSO
26 bool 26 bool
27 select HAVE_KVM_DIRTY_RING 27 select HAVE_KVM_DIRTY_RING
28 depends on X86 28 depends on X86
29 29
30 # Weakly ordered architectures can only select 30 # Weakly ordered architectures can only select this, advertising
31 # to userspace the additional ordering require 31 # to userspace the additional ordering requirements.
32 config HAVE_KVM_DIRTY_RING_ACQ_REL 32 config HAVE_KVM_DIRTY_RING_ACQ_REL
33 bool 33 bool
34 select HAVE_KVM_DIRTY_RING 34 select HAVE_KVM_DIRTY_RING
35 35
36 # Allow enabling both the dirty bitmap and dir 36 # Allow enabling both the dirty bitmap and dirty ring. Only architectures
37 # that need to dirty memory outside of a vCPU 37 # that need to dirty memory outside of a vCPU context should select this.
38 config NEED_KVM_DIRTY_RING_WITH_BITMAP 38 config NEED_KVM_DIRTY_RING_WITH_BITMAP
39 bool 39 bool
40 depends on HAVE_KVM_DIRTY_RING 40 depends on HAVE_KVM_DIRTY_RING
41 41
42 config KVM_MMIO 42 config KVM_MMIO
43 bool 43 bool
44 44
45 config KVM_ASYNC_PF 45 config KVM_ASYNC_PF
46 bool 46 bool
47 47
48 # Toggle to switch between direct notification 48 # Toggle to switch between direct notification and batch job
49 config KVM_ASYNC_PF_SYNC 49 config KVM_ASYNC_PF_SYNC
50 bool 50 bool
51 51
52 config HAVE_KVM_MSI 52 config HAVE_KVM_MSI
53 bool 53 bool
54 54
55 config HAVE_KVM_READONLY_MEM 55 config HAVE_KVM_READONLY_MEM
56 bool 56 bool
57 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 76 select IRQ_BYPASS_MANAGER
80 77
81 config HAVE_KVM_VCPU_ASYNC_IOCTL 78 config HAVE_KVM_VCPU_ASYNC_IOCTL
82 bool 79 bool
83 80
84 config HAVE_KVM_VCPU_RUN_PID_CHANGE 81 config HAVE_KVM_VCPU_RUN_PID_CHANGE
85 bool 82 bool
86 83
87 config HAVE_KVM_NO_POLL 84 config HAVE_KVM_NO_POLL
88 bool 85 bool
89 86
90 config KVM_XFER_TO_GUEST_WORK 87 config KVM_XFER_TO_GUEST_WORK
91 bool 88 bool
92 89
93 config HAVE_KVM_PM_NOTIFIER 90 config HAVE_KVM_PM_NOTIFIER
94 bool 91 bool
95 92
96 config KVM_GENERIC_HARDWARE_ENABLING 93 config KVM_GENERIC_HARDWARE_ENABLING
97 bool 94 bool
98 95
99 config KVM_GENERIC_MMU_NOTIFIER 96 config KVM_GENERIC_MMU_NOTIFIER
100 select MMU_NOTIFIER 97 select MMU_NOTIFIER
101 bool 98 bool
102 99
103 config KVM_GENERIC_MEMORY_ATTRIBUTES 100 config KVM_GENERIC_MEMORY_ATTRIBUTES
104 depends on KVM_GENERIC_MMU_NOTIFIER 101 depends on KVM_GENERIC_MMU_NOTIFIER
105 bool 102 bool
106 103
107 config KVM_PRIVATE_MEM 104 config KVM_PRIVATE_MEM
108 select XARRAY_MULTI 105 select XARRAY_MULTI
109 bool 106 bool
110 107
111 config KVM_GENERIC_PRIVATE_MEM 108 config KVM_GENERIC_PRIVATE_MEM
112 select KVM_GENERIC_MEMORY_ATTRIBUTES 109 select KVM_GENERIC_MEMORY_ATTRIBUTES
113 select KVM_PRIVATE_MEM 110 select KVM_PRIVATE_MEM
114 bool 111 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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