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Linux/kernel/Kconfig.locks

  1 #
  2 # The ARCH_INLINE foo is necessary because select ignores "depends on"
  3 #
  4 config ARCH_INLINE_SPIN_TRYLOCK
  5         bool
  6 
  7 config ARCH_INLINE_SPIN_TRYLOCK_BH
  8         bool
  9 
 10 config ARCH_INLINE_SPIN_LOCK
 11         bool
 12 
 13 config ARCH_INLINE_SPIN_LOCK_BH
 14         bool
 15 
 16 config ARCH_INLINE_SPIN_LOCK_IRQ
 17         bool
 18 
 19 config ARCH_INLINE_SPIN_LOCK_IRQSAVE
 20         bool
 21 
 22 config ARCH_INLINE_SPIN_UNLOCK
 23         bool
 24 
 25 config ARCH_INLINE_SPIN_UNLOCK_BH
 26         bool
 27 
 28 config ARCH_INLINE_SPIN_UNLOCK_IRQ
 29         bool
 30 
 31 config ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE
 32         bool
 33 
 34 
 35 config ARCH_INLINE_READ_TRYLOCK
 36         bool
 37 
 38 config ARCH_INLINE_READ_LOCK
 39         bool
 40 
 41 config ARCH_INLINE_READ_LOCK_BH
 42         bool
 43 
 44 config ARCH_INLINE_READ_LOCK_IRQ
 45         bool
 46 
 47 config ARCH_INLINE_READ_LOCK_IRQSAVE
 48         bool
 49 
 50 config ARCH_INLINE_READ_UNLOCK
 51         bool
 52 
 53 config ARCH_INLINE_READ_UNLOCK_BH
 54         bool
 55 
 56 config ARCH_INLINE_READ_UNLOCK_IRQ
 57         bool
 58 
 59 config ARCH_INLINE_READ_UNLOCK_IRQRESTORE
 60         bool
 61 
 62 
 63 config ARCH_INLINE_WRITE_TRYLOCK
 64         bool
 65 
 66 config ARCH_INLINE_WRITE_LOCK
 67         bool
 68 
 69 config ARCH_INLINE_WRITE_LOCK_BH
 70         bool
 71 
 72 config ARCH_INLINE_WRITE_LOCK_IRQ
 73         bool
 74 
 75 config ARCH_INLINE_WRITE_LOCK_IRQSAVE
 76         bool
 77 
 78 config ARCH_INLINE_WRITE_UNLOCK
 79         bool
 80 
 81 config ARCH_INLINE_WRITE_UNLOCK_BH
 82         bool
 83 
 84 config ARCH_INLINE_WRITE_UNLOCK_IRQ
 85         bool
 86 
 87 config ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
 88         bool
 89 
 90 config UNINLINE_SPIN_UNLOCK
 91         bool
 92 
 93 #
 94 # lock_* functions are inlined when:
 95 #   - DEBUG_SPINLOCK=n and GENERIC_LOCKBREAK=n and ARCH_INLINE_*LOCK=y
 96 #
 97 # trylock_* functions are inlined when:
 98 #   - DEBUG_SPINLOCK=n and ARCH_INLINE_*LOCK=y
 99 #
100 # unlock and unlock_irq functions are inlined when:
101 #   - DEBUG_SPINLOCK=n and ARCH_INLINE_*LOCK=y
102 #  or
103 #   - DEBUG_SPINLOCK=n and PREEMPT=n
104 #
105 # unlock_bh and unlock_irqrestore functions are inlined when:
106 #   - DEBUG_SPINLOCK=n and ARCH_INLINE_*LOCK=y
107 #
108 
109 if !DEBUG_SPINLOCK
110 
111 config INLINE_SPIN_TRYLOCK
112         def_bool y
113         depends on ARCH_INLINE_SPIN_TRYLOCK
114 
115 config INLINE_SPIN_TRYLOCK_BH
116         def_bool y
117         depends on ARCH_INLINE_SPIN_TRYLOCK_BH
118 
119 config INLINE_SPIN_LOCK
120         def_bool y
121         depends on !GENERIC_LOCKBREAK && ARCH_INLINE_SPIN_LOCK
122 
123 config INLINE_SPIN_LOCK_BH
124         def_bool y
125         depends on !GENERIC_LOCKBREAK && ARCH_INLINE_SPIN_LOCK_BH
126 
127 config INLINE_SPIN_LOCK_IRQ
128         def_bool y
129         depends on !GENERIC_LOCKBREAK && ARCH_INLINE_SPIN_LOCK_IRQ
130 
131 config INLINE_SPIN_LOCK_IRQSAVE
132         def_bool y
133         depends on !GENERIC_LOCKBREAK && ARCH_INLINE_SPIN_LOCK_IRQSAVE
134 
135 config INLINE_SPIN_UNLOCK_BH
136         def_bool y
137         depends on ARCH_INLINE_SPIN_UNLOCK_BH
138 
139 config INLINE_SPIN_UNLOCK_IRQ
140         def_bool y
141         depends on !PREEMPT || ARCH_INLINE_SPIN_UNLOCK_IRQ
142 
143 config INLINE_SPIN_UNLOCK_IRQRESTORE
144         def_bool y
145         depends on ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE
146 
147 
148 config INLINE_READ_TRYLOCK
149         def_bool y
150         depends on ARCH_INLINE_READ_TRYLOCK
151 
152 config INLINE_READ_LOCK
153         def_bool y
154         depends on !GENERIC_LOCKBREAK && ARCH_INLINE_READ_LOCK
155 
156 config INLINE_READ_LOCK_BH
157         def_bool y
158         depends on !GENERIC_LOCKBREAK && ARCH_INLINE_READ_LOCK_BH
159 
160 config INLINE_READ_LOCK_IRQ
161         def_bool y
162         depends on !GENERIC_LOCKBREAK && ARCH_INLINE_READ_LOCK_IRQ
163 
164 config INLINE_READ_LOCK_IRQSAVE
165         def_bool y
166         depends on !GENERIC_LOCKBREAK && ARCH_INLINE_READ_LOCK_IRQSAVE
167 
168 config INLINE_READ_UNLOCK
169         def_bool y
170         depends on !PREEMPT || ARCH_INLINE_READ_UNLOCK
171 
172 config INLINE_READ_UNLOCK_BH
173         def_bool y
174         depends on ARCH_INLINE_READ_UNLOCK_BH
175 
176 config INLINE_READ_UNLOCK_IRQ
177         def_bool y
178         depends on !PREEMPT || ARCH_INLINE_READ_UNLOCK_IRQ
179 
180 config INLINE_READ_UNLOCK_IRQRESTORE
181         def_bool y
182         depends on ARCH_INLINE_READ_UNLOCK_IRQRESTORE
183 
184 
185 config INLINE_WRITE_TRYLOCK
186         def_bool y
187         depends on ARCH_INLINE_WRITE_TRYLOCK
188 
189 config INLINE_WRITE_LOCK
190         def_bool y
191         depends on !GENERIC_LOCKBREAK && ARCH_INLINE_WRITE_LOCK
192 
193 config INLINE_WRITE_LOCK_BH
194         def_bool y
195         depends on !GENERIC_LOCKBREAK && ARCH_INLINE_WRITE_LOCK_BH
196 
197 config INLINE_WRITE_LOCK_IRQ
198         def_bool y
199         depends on !GENERIC_LOCKBREAK && ARCH_INLINE_WRITE_LOCK_IRQ
200 
201 config INLINE_WRITE_LOCK_IRQSAVE
202         def_bool y
203         depends on !GENERIC_LOCKBREAK && ARCH_INLINE_WRITE_LOCK_IRQSAVE
204 
205 config INLINE_WRITE_UNLOCK
206         def_bool y
207         depends on !PREEMPT || ARCH_INLINE_WRITE_UNLOCK
208 
209 config INLINE_WRITE_UNLOCK_BH
210         def_bool y
211         depends on ARCH_INLINE_WRITE_UNLOCK_BH
212 
213 config INLINE_WRITE_UNLOCK_IRQ
214         def_bool y
215         depends on !PREEMPT || ARCH_INLINE_WRITE_UNLOCK_IRQ
216 
217 config INLINE_WRITE_UNLOCK_IRQRESTORE
218         def_bool y
219         depends on ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
220 
221 endif
222 
223 config ARCH_SUPPORTS_ATOMIC_RMW
224         bool
225 
226 config MUTEX_SPIN_ON_OWNER
227         def_bool y
228         depends on SMP && !DEBUG_MUTEXES && ARCH_SUPPORTS_ATOMIC_RMW
229 
230 config RWSEM_SPIN_ON_OWNER
231        def_bool y
232        depends on SMP && RWSEM_XCHGADD_ALGORITHM && ARCH_SUPPORTS_ATOMIC_RMW
233 
234 config ARCH_USE_QUEUE_RWLOCK
235         bool
236 
237 config QUEUE_RWLOCK
238         def_bool y if ARCH_USE_QUEUE_RWLOCK
239         depends on SMP

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