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locking/spinlock: Split the lock types header, and move the raw types into <linux/spinlock_types_raw.h>

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Move raw_spinlock into its own file. Prepare for RT 'sleeping spinlocks', to
avoid header recursion, as RT locks require rtmutex.h, which in turn requires
the raw spinlock types.

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210815211303.371269088@linutronix.de
This commit is contained in:
Thomas Gleixner
2021-08-15 23:28:14 +02:00
committed by Ingo Molnar
parent e17ba59b7e
commit 4f084ca74c
4 changed files with 74 additions and 58 deletions
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4
include/linux/spinlock.h
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@@ -12,6 +12,8 @@
* asm/spinlock_types.h: contains the arch_spinlock_t/arch_rwlock_t and the
* initializers
*
* linux/spinlock_types_raw:
* The raw types and initializers
* linux/spinlock_types.h:
* defines the generic type and initializers
*
@@ -31,6 +33,8 @@
* contains the generic, simplified UP spinlock type.
* (which is an empty structure on non-debug builds)
*
* linux/spinlock_types_raw:
* The raw RT types and initializers
* linux/spinlock_types.h:
* defines the generic type and initializers
*