Lines Matching refs:rw
159 static inline long __arch_read_trylock(arch_rwlock_t *rw) in __arch_read_trylock() argument
173 : "r" (&rw->lock), [eh] "n" (eh) in __arch_read_trylock()
183 static inline long __arch_write_trylock(arch_rwlock_t *rw) in __arch_write_trylock() argument
197 : "r" (token), "r" (&rw->lock), [eh] "n" (eh) in __arch_write_trylock()
203 static inline void arch_read_lock(arch_rwlock_t *rw) in arch_read_lock() argument
206 if (likely(__arch_read_trylock(rw) > 0)) in arch_read_lock()
211 splpar_rw_yield(rw); in arch_read_lock()
212 } while (unlikely(rw->lock < 0)); in arch_read_lock()
217 static inline void arch_write_lock(arch_rwlock_t *rw) in arch_write_lock() argument
220 if (likely(__arch_write_trylock(rw) == 0)) in arch_write_lock()
225 splpar_rw_yield(rw); in arch_write_lock()
226 } while (unlikely(rw->lock != 0)); in arch_write_lock()
231 static inline int arch_read_trylock(arch_rwlock_t *rw) in arch_read_trylock() argument
233 return __arch_read_trylock(rw) > 0; in arch_read_trylock()
236 static inline int arch_write_trylock(arch_rwlock_t *rw) in arch_write_trylock() argument
238 return __arch_write_trylock(rw) == 0; in arch_write_trylock()
241 static inline void arch_read_unlock(arch_rwlock_t *rw) in arch_read_unlock() argument
253 : "r"(&rw->lock) in arch_read_unlock()
257 static inline void arch_write_unlock(arch_rwlock_t *rw) in arch_write_unlock() argument
261 rw->lock = 0; in arch_write_unlock()