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locking/rwsem: Add missing __init_rwsem() for PREEMPT_RT

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730633f0b7 became the first direct caller of __init_rwsem() vs the
usual init_rwsem(), exposing PREEMPT_RT's lack thereof.  Add it.

[ tglx: Move it out of line ]

Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/50a936b7d8f12277d6ec7ed2ef0421a381056909.camel@gmx.de
This commit is contained in:
Mike Galbraith
2021-08-31 08:38:19 +02:00
committed by Thomas Gleixner
parent 8596e589b7
commit 15eb7c888e
2 changed files with 8 additions and 14 deletions
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12
include/linux/rwsem.h
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@@ -142,22 +142,14 @@ struct rw_semaphore {
#define DECLARE_RWSEM(lockname) \
struct rw_semaphore lockname = __RWSEM_INITIALIZER(lockname)
#ifdef CONFIG_DEBUG_LOCK_ALLOC
extern void __rwsem_init(struct rw_semaphore *rwsem, const char *name,
extern void __init_rwsem(struct rw_semaphore *rwsem, const char *name,
struct lock_class_key *key);
#else
static inline void __rwsem_init(struct rw_semaphore *rwsem, const char *name,
struct lock_class_key *key)
{
}
#endif
#define init_rwsem(sem) \
do { \
static struct lock_class_key __key; \
\
init_rwbase_rt(&(sem)->rwbase); \
__rwsem_init((sem), #sem, &__key); \
__init_rwsem((sem), #sem, &__key); \
} while (0)
static __always_inline int rwsem_is_locked(struct rw_semaphore *sem)