Searched refs:rwb (Results 1 – 1 of 1) sorted by relevance
53 static __always_inline int rwbase_read_trylock(struct rwbase_rt *rwb) in rwbase_read_trylock() argument61 for (r = atomic_read(&rwb->readers); r < 0;) { in rwbase_read_trylock()62 if (likely(atomic_try_cmpxchg_acquire(&rwb->readers, &r, r + 1))) in rwbase_read_trylock()68 static int __sched __rwbase_read_lock(struct rwbase_rt *rwb, in __rwbase_read_lock() argument71 struct rt_mutex_base *rtm = &rwb->rtmutex; in __rwbase_read_lock()79 if (atomic_read(&rwb->readers) != WRITER_BIAS) { in __rwbase_read_lock()80 atomic_inc(&rwb->readers); in __rwbase_read_lock()115 trace_contention_begin(rwb, LCB_F_RT | LCB_F_READ); in __rwbase_read_lock()131 atomic_inc(&rwb->readers); in __rwbase_read_lock()136 trace_contention_end(rwb, ret); in __rwbase_read_lock()[all …]