summaryrefslogtreecommitdiffstats
path: root/kernel/Kconfig.locks
blob: 4379eef9334d16bb44d9591630675aeea31ae822 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
#
# The ARCH_INLINE foo is necessary because select ignores "depends on"
#
config ARCH_INLINE_SPIN_TRYLOCK
	bool

config ARCH_INLINE_SPIN_TRYLOCK_BH
	bool

config ARCH_INLINE_SPIN_LOCK
	bool

config ARCH_INLINE_SPIN_LOCK_BH
	bool

config ARCH_INLINE_SPIN_LOCK_IRQ
	bool

config ARCH_INLINE_SPIN_LOCK_IRQSAVE
	bool

config ARCH_INLINE_SPIN_UNLOCK
	bool

config ARCH_INLINE_SPIN_UNLOCK_BH
	bool

config ARCH_INLINE_SPIN_UNLOCK_IRQ
	bool

config ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE
	bool


config ARCH_INLINE_READ_TRYLOCK
	bool

config ARCH_INLINE_READ_LOCK
	bool

config ARCH_INLINE_READ_LOCK_BH
	bool

config ARCH_INLINE_READ_LOCK_IRQ
	bool

config ARCH_INLINE_READ_LOCK_IRQSAVE
	bool

config ARCH_INLINE_READ_UNLOCK
	bool

config ARCH_INLINE_READ_UNLOCK_BH
	bool

config ARCH_INLINE_READ_UNLOCK_IRQ
	bool

config ARCH_INLINE_READ_UNLOCK_IRQRESTORE
	bool


config ARCH_INLINE_WRITE_TRYLOCK
	bool

config ARCH_INLINE_WRITE_LOCK
	bool

config ARCH_INLINE_WRITE_LOCK_BH
	bool

config ARCH_INLINE_WRITE_LOCK_IRQ
	bool

config ARCH_INLINE_WRITE_LOCK_IRQSAVE
	bool

config ARCH_INLINE_WRITE_UNLOCK
	bool

config ARCH_INLINE_WRITE_UNLOCK_BH
	bool

config ARCH_INLINE_WRITE_UNLOCK_IRQ
	bool

config ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
	bool

config UNINLINE_SPIN_UNLOCK
	bool

#
# lock_* functions are inlined when:
#   - DEBUG_SPINLOCK=n and GENERIC_LOCKBREAK=n and ARCH_INLINE_*LOCK=y
#
# trylock_* functions are inlined when:
#   - DEBUG_SPINLOCK=n and ARCH_INLINE_*LOCK=y
#
# unlock and unlock_irq functions are inlined when:
#   - DEBUG_SPINLOCK=n and ARCH_INLINE_*LOCK=y
#  or
#   - DEBUG_SPINLOCK=n and PREEMPT=n
#
# unlock_bh and unlock_irqrestore functions are inlined when:
#   - DEBUG_SPINLOCK=n and ARCH_INLINE_*LOCK=y
#

if !DEBUG_SPINLOCK

config INLINE_SPIN_TRYLOCK
	def_bool y
	depends on ARCH_INLINE_SPIN_TRYLOCK

config INLINE_SPIN_TRYLOCK_BH
	def_bool y
	depends on ARCH_INLINE_SPIN_TRYLOCK_BH

config INLINE_SPIN_LOCK
	def_bool y
	depends on !GENERIC_LOCKBREAK && ARCH_INLINE_SPIN_LOCK

config INLINE_SPIN_LOCK_BH
	def_bool y
	depends on !GENERIC_LOCKBREAK && ARCH_INLINE_SPIN_LOCK_BH

config INLINE_SPIN_LOCK_IRQ
	def_bool y
	depends on !GENERIC_LOCKBREAK && ARCH_INLINE_SPIN_LOCK_IRQ

config INLINE_SPIN_LOCK_IRQSAVE
	def_bool y
	depends on !GENERIC_LOCKBREAK && ARCH_INLINE_SPIN_LOCK_IRQSAVE

config INLINE_SPIN_UNLOCK_BH
	def_bool y
	depends on ARCH_INLINE_SPIN_UNLOCK_BH

config INLINE_SPIN_UNLOCK_IRQ
	def_bool y
	depends on !PREEMPT || ARCH_INLINE_SPIN_UNLOCK_IRQ

config INLINE_SPIN_UNLOCK_IRQRESTORE
	def_bool y
	depends on ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE


config INLINE_READ_TRYLOCK
	def_bool y
	depends on ARCH_INLINE_READ_TRYLOCK

config INLINE_READ_LOCK
	def_bool y
	depends on !GENERIC_LOCKBREAK && ARCH_INLINE_READ_LOCK

config INLINE_READ_LOCK_BH
	def_bool y
	depends on !GENERIC_LOCKBREAK && ARCH_INLINE_READ_LOCK_BH

config INLINE_READ_LOCK_IRQ
	def_bool y
	depends on !GENERIC_LOCKBREAK && ARCH_INLINE_READ_LOCK_IRQ

config INLINE_READ_LOCK_IRQSAVE
	def_bool y
	depends on !GENERIC_LOCKBREAK && ARCH_INLINE_READ_LOCK_IRQSAVE

config INLINE_READ_UNLOCK
	def_bool y
	depends on !PREEMPT || ARCH_INLINE_READ_UNLOCK

config INLINE_READ_UNLOCK_BH
	def_bool y
	depends on ARCH_INLINE_READ_UNLOCK_BH

config INLINE_READ_UNLOCK_IRQ
	def_bool y
	depends on !PREEMPT || ARCH_INLINE_READ_UNLOCK_IRQ

config INLINE_READ_UNLOCK_IRQRESTORE
	def_bool y
	depends on ARCH_INLINE_READ_UNLOCK_IRQRESTORE


config INLINE_WRITE_TRYLOCK
	def_bool y
	depends on ARCH_INLINE_WRITE_TRYLOCK

config INLINE_WRITE_LOCK
	def_bool y
	depends on !GENERIC_LOCKBREAK && ARCH_INLINE_WRITE_LOCK

config INLINE_WRITE_LOCK_BH
	def_bool y
	depends on !GENERIC_LOCKBREAK && ARCH_INLINE_WRITE_LOCK_BH

config INLINE_WRITE_LOCK_IRQ
	def_bool y
	depends on !GENERIC_LOCKBREAK && ARCH_INLINE_WRITE_LOCK_IRQ

config INLINE_WRITE_LOCK_IRQSAVE
	def_bool y
	depends on !GENERIC_LOCKBREAK && ARCH_INLINE_WRITE_LOCK_IRQSAVE

config INLINE_WRITE_UNLOCK
	def_bool y
	depends on !PREEMPT || ARCH_INLINE_WRITE_UNLOCK

config INLINE_WRITE_UNLOCK_BH
	def_bool y
	depends on ARCH_INLINE_WRITE_UNLOCK_BH

config INLINE_WRITE_UNLOCK_IRQ
	def_bool y
	depends on !PREEMPT || ARCH_INLINE_WRITE_UNLOCK_IRQ

config INLINE_WRITE_UNLOCK_IRQRESTORE
	def_bool y
	depends on ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE

endif

config ARCH_SUPPORTS_ATOMIC_RMW
	bool

config MUTEX_SPIN_ON_OWNER
	def_bool y
	depends on SMP && !DEBUG_MUTEXES && ARCH_SUPPORTS_ATOMIC_RMW

config RWSEM_SPIN_ON_OWNER
       def_bool y
       depends on SMP && RWSEM_XCHGADD_ALGORITHM && ARCH_SUPPORTS_ATOMIC_RMW

config LOCK_SPIN_ON_OWNER
       def_bool y
       depends on MUTEX_SPIN_ON_OWNER || RWSEM_SPIN_ON_OWNER

config ARCH_USE_QUEUED_SPINLOCK
	bool

config QUEUED_SPINLOCK
	def_bool y if ARCH_USE_QUEUED_SPINLOCK
	depends on SMP && (!PARAVIRT_SPINLOCKS || !XEN)

config ARCH_USE_QUEUE_RWLOCK
	bool

config QUEUE_RWLOCK
	def_bool y if ARCH_USE_QUEUE_RWLOCK
	depends on SMP
OpenPOWER on IntegriCloud