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Searched refs:rwlock (Results 1 – 17 of 17) sorted by relevance

/Linux-v5.15/include/linux/
Drwlock_rt.h10 extern void __rt_rwlock_init(rwlock_t *rwlock, const char *name,
13 static inline void __rt_rwlock_init(rwlock_t *rwlock, char *name, in __rt_rwlock_init() argument
27 extern void rt_read_lock(rwlock_t *rwlock);
28 extern int rt_read_trylock(rwlock_t *rwlock);
29 extern void rt_read_unlock(rwlock_t *rwlock);
30 extern void rt_write_lock(rwlock_t *rwlock);
31 extern int rt_write_trylock(rwlock_t *rwlock);
32 extern void rt_write_unlock(rwlock_t *rwlock);
34 static __always_inline void read_lock(rwlock_t *rwlock) in read_lock() argument
36 rt_read_lock(rwlock); in read_lock()
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Drwlock.h50 # define do_raw_read_lock(rwlock) do {__acquire(lock); arch_read_lock(&(rwlock)->raw_lock); } while… argument
53 # define do_raw_read_trylock(rwlock) arch_read_trylock(&(rwlock)->raw_lock) argument
54 # define do_raw_read_unlock(rwlock) do {arch_read_unlock(&(rwlock)->raw_lock); __release(lock); } w… argument
55 # define do_raw_write_lock(rwlock) do {__acquire(lock); arch_write_lock(&(rwlock)->raw_lock); } whi… argument
58 # define do_raw_write_trylock(rwlock) arch_write_trylock(&(rwlock)->raw_lock) argument
59 # define do_raw_write_unlock(rwlock) do {arch_write_unlock(&(rwlock)->raw_lock); __release(lock); }… argument
Dseqlock.h185 #define seqcount_rwlock_init(s, lock) seqcount_LOCKNAME_init(s, lock, rwlock)
278 SEQCOUNT_LOCKNAME(rwlock, rwlock_t, __SEQ_RT, s->lock, read, read_lock(s->l…
306 __seqprop_case((s), rwlock, prop), \
/Linux-v5.15/tools/lib/lockdep/
Dpreload.c67 extern int __pthread_rwlock_init(pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *attr);
68 extern int __pthread_rwlock_destroy(pthread_rwlock_t *rwlock);
69 extern int __pthread_rwlock_wrlock(pthread_rwlock_t *rwlock);
70 extern int __pthread_rwlock_trywrlock(pthread_rwlock_t *rwlock);
71 extern int __pthread_rwlock_rdlock(pthread_rwlock_t *rwlock);
72 extern int __pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlock);
73 extern int __pthread_rwlock_unlock(pthread_rwlock_t *rwlock);
84 static int (*ll_pthread_rwlock_init)(pthread_rwlock_t *rwlock,
86 static int (*ll_pthread_rwlock_destroy)(pthread_rwlock_t *rwlock) = __pthread_rwlock_destroy;
87 static int (*ll_pthread_rwlock_rdlock)(pthread_rwlock_t *rwlock) = __pthread_rwlock_rdlock;
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/Linux-v5.15/kernel/locking/
Dspinlock_rt.c183 int __sched rt_read_trylock(rwlock_t *rwlock) in rt_read_trylock() argument
187 ret = rwbase_read_trylock(&rwlock->rwbase); in rt_read_trylock()
189 rwlock_acquire_read(&rwlock->dep_map, 0, 1, _RET_IP_); in rt_read_trylock()
197 int __sched rt_write_trylock(rwlock_t *rwlock) in rt_write_trylock() argument
201 ret = rwbase_write_trylock(&rwlock->rwbase); in rt_write_trylock()
203 rwlock_acquire(&rwlock->dep_map, 0, 1, _RET_IP_); in rt_write_trylock()
211 void __sched rt_read_lock(rwlock_t *rwlock) in rt_read_lock() argument
214 rwlock_acquire_read(&rwlock->dep_map, 0, 0, _RET_IP_); in rt_read_lock()
215 rwbase_read_lock(&rwlock->rwbase, TASK_RTLOCK_WAIT); in rt_read_lock()
221 void __sched rt_write_lock(rwlock_t *rwlock) in rt_write_lock() argument
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Dspinlock.c129 BUILD_LOCK_OPS(read, rwlock);
130 BUILD_LOCK_OPS(write, rwlock);
/Linux-v5.15/tools/lib/lockdep/include/liblockdep/
Drwlock.h9 pthread_rwlock_t rwlock; member
17 .rwlock = PTHREAD_RWLOCK_INITIALIZER, \
28 return pthread_rwlock_init(&lock->rwlock, attr); in __rwlock_init()
41 return pthread_rwlock_rdlock(&lock->rwlock); in liblockdep_pthread_rwlock_rdlock()
48 return pthread_rwlock_unlock(&lock->rwlock); in liblockdep_pthread_rwlock_unlock()
54 return pthread_rwlock_wrlock(&lock->rwlock); in liblockdep_pthread_rwlock_wrlock()
60 return pthread_rwlock_tryrdlock(&lock->rwlock) == 0 ? 1 : 0; in liblockdep_pthread_rwlock_tryrdlock()
66 return pthread_rwlock_trywrlock(&lock->rwlock) == 0 ? 1 : 0; in liblockdep_pthread_rwlock_trywrlock()
71 return pthread_rwlock_destroy(&lock->rwlock); in liblockdep_rwlock_destroy()
/Linux-v5.15/drivers/infiniband/core/
Dcache.c118 rwlock_t rwlock; member
246 write_lock_irq(&table->rwlock); in free_gid_entry_locked()
257 write_unlock_irq(&table->rwlock); in free_gid_entry_locked()
331 write_lock_irq(&table->rwlock); in store_gid_entry()
333 write_unlock_irq(&table->rwlock); in store_gid_entry()
393 write_lock_irq(&table->rwlock); in del_gid()
401 write_unlock_irq(&table->rwlock); in del_gid()
704 read_lock_irqsave(&table->rwlock, flags); in rdma_find_gid_by_port()
709 read_unlock_irqrestore(&table->rwlock, flags); in rdma_find_gid_by_port()
713 read_unlock_irqrestore(&table->rwlock, flags); in rdma_find_gid_by_port()
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/Linux-v5.15/arch/arc/include/asm/
Dspinlock.h101 : [rwlock] "r" (&(rw->counter)), in arch_read_lock()
125 : [rwlock] "r" (&(rw->counter)), in arch_read_trylock()
158 : [rwlock] "r" (&(rw->counter)), in arch_write_lock()
183 : [rwlock] "r" (&(rw->counter)), in arch_write_trylock()
209 : [rwlock] "r" (&(rw->counter)) in arch_read_unlock()
/Linux-v5.15/kernel/trace/
Dtrace_uprobe.c259 rwlock_init(&filter->rwlock); in NOKPROBE_SYMBOL()
1231 write_lock(&filter->rwlock); in trace_uprobe_filter_remove()
1241 write_unlock(&filter->rwlock); in trace_uprobe_filter_remove()
1252 write_lock(&filter->rwlock); in trace_uprobe_filter_add()
1270 write_unlock(&filter->rwlock); in trace_uprobe_filter_add()
1336 read_lock(&filter->rwlock); in uprobe_perf_filter()
1338 read_unlock(&filter->rwlock); in uprobe_perf_filter()
Dtrace_probe.h228 rwlock_t rwlock; member
/Linux-v5.15/Documentation/locking/
Dlocktorture.rst59 read/write lock() and unlock() rwlock pairs.
63 rwlock pairs.
/Linux-v5.15/Documentation/networking/
Dnetdevices.rst255 Synchronization: rtnl_lock() semaphore, dev_base_lock rwlock, or RCU.
256 Context: atomic (can't sleep under rwlock or RCU)
/Linux-v5.15/Documentation/virt/kvm/
Dlocking.rst34 - kvm->arch.mmu_lock is an rwlock. kvm->arch.tdp_mmu_pages_lock and
/Linux-v5.15/lib/
Dlocking-selftest.c150 init_class_##class(spinlock_t *lock, rwlock_t *rwlock, \
154 rwlock_init(rwlock); \
DKconfig.debug1377 This feature will check whether any held lock (spinlock, rwlock,
/Linux-v5.15/
DMAINTAINERS10949 F: include/linux/rwlock*.h