Lines Matching refs:lock

34 static __always_inline int arch_spin_value_unlocked(arch_spinlock_t lock)  in arch_spin_value_unlocked()  argument
36 return lock.slock == 0; in arch_spin_value_unlocked()
39 static inline int arch_spin_is_locked(arch_spinlock_t *lock) in arch_spin_is_locked() argument
42 return !arch_spin_value_unlocked(*lock); in arch_spin_is_locked()
49 static inline unsigned long __arch_spin_trylock(arch_spinlock_t *lock) in __arch_spin_trylock() argument
63 : "r" (token), "r" (&lock->slock) in __arch_spin_trylock()
69 static inline int arch_spin_trylock(arch_spinlock_t *lock) in arch_spin_trylock() argument
71 return __arch_spin_trylock(lock) == 0; in arch_spin_trylock()
90 void splpar_spin_yield(arch_spinlock_t *lock);
91 void splpar_rw_yield(arch_rwlock_t *lock);
93 static inline void splpar_spin_yield(arch_spinlock_t *lock) {}; in splpar_spin_yield() argument
94 static inline void splpar_rw_yield(arch_rwlock_t *lock) {}; in splpar_rw_yield() argument
97 static inline void spin_yield(arch_spinlock_t *lock) in spin_yield() argument
100 splpar_spin_yield(lock); in spin_yield()
105 static inline void rw_yield(arch_rwlock_t *lock) in rw_yield() argument
108 splpar_rw_yield(lock); in rw_yield()
113 static inline void arch_spin_lock(arch_spinlock_t *lock) in arch_spin_lock() argument
116 if (likely(__arch_spin_trylock(lock) == 0)) in arch_spin_lock()
121 splpar_spin_yield(lock); in arch_spin_lock()
122 } while (unlikely(lock->slock != 0)); in arch_spin_lock()
128 void arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags) in arch_spin_lock_flags() argument
133 if (likely(__arch_spin_trylock(lock) == 0)) in arch_spin_lock_flags()
140 splpar_spin_yield(lock); in arch_spin_lock_flags()
141 } while (unlikely(lock->slock != 0)); in arch_spin_lock_flags()
148 static inline void arch_spin_unlock(arch_spinlock_t *lock) in arch_spin_unlock() argument
152 lock->slock = 0; in arch_spin_unlock()
191 : "r" (&rw->lock) in __arch_read_trylock()
214 : "r" (token), "r" (&rw->lock) in __arch_write_trylock()
229 } while (unlikely(rw->lock < 0)); in arch_read_lock()
243 } while (unlikely(rw->lock != 0)); in arch_write_lock()
270 : "r"(&rw->lock) in arch_read_unlock()
278 rw->lock = 0; in arch_write_unlock()
281 #define arch_spin_relax(lock) spin_yield(lock) argument
282 #define arch_read_relax(lock) rw_yield(lock) argument
283 #define arch_write_relax(lock) rw_yield(lock) argument