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 && 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 LOCK_SPIN_ON_OWNER
 235        def_bool y
 236        depends on MUTEX_SPIN_ON_OWNER || RWSEM_SPIN_ON_OWNER
 237
 238 config ARCH_USE_QUEUED_SPINLOCKS
 239         bool
 240
 241 config QUEUED_SPINLOCKS
 242         def_bool y if ARCH_USE_QUEUED_SPINLOCKS
 243         depends on SMP
 244
 245 config ARCH_USE_QUEUED_RWLOCKS
 246         bool
 247
 248 config QUEUED_RWLOCKS
 249         def_bool y if ARCH_USE_QUEUED_RWLOCKS
 250         depends on SMP