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-rw-r--r--kernel/Kconfig.locks261
1 files changed, 261 insertions, 0 deletions
diff --git a/kernel/Kconfig.locks b/kernel/Kconfig.locks
new file mode 100644
index 000000000..3de8fd118
--- /dev/null
+++ b/kernel/Kconfig.locks
@@ -0,0 +1,261 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# 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 PREEMPTION=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 !PREEMPTION || 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 !PREEMPTION || 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 !PREEMPTION || 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 !PREEMPTION || 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 !PREEMPTION || 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 && ARCH_SUPPORTS_ATOMIC_RMW
+
+config RWSEM_SPIN_ON_OWNER
+ def_bool y
+ depends on SMP && 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_SPINLOCKS
+ bool
+
+config QUEUED_SPINLOCKS
+ def_bool y if ARCH_USE_QUEUED_SPINLOCKS
+ depends on SMP
+
+config BPF_ARCH_SPINLOCK
+ bool
+
+config ARCH_USE_QUEUED_RWLOCKS
+ bool
+
+config QUEUED_RWLOCKS
+ def_bool y if ARCH_USE_QUEUED_RWLOCKS
+ depends on SMP
+
+config ARCH_HAS_MMIOWB
+ bool
+
+config MMIOWB
+ def_bool y if ARCH_HAS_MMIOWB
+ depends on SMP