Lines Matching refs:lock
51 static __always_inline int queued_spin_is_locked(struct qspinlock *lock) in queued_spin_is_locked() argument
57 return atomic_read(&lock->val); in queued_spin_is_locked()
71 static __always_inline int queued_spin_value_unlocked(struct qspinlock lock) in queued_spin_value_unlocked() argument
73 return !lock.val.counter; in queued_spin_value_unlocked()
81 static __always_inline int queued_spin_is_contended(struct qspinlock *lock) in queued_spin_is_contended() argument
83 return atomic_read(&lock->val) & ~_Q_LOCKED_MASK; in queued_spin_is_contended()
90 static __always_inline int queued_spin_trylock(struct qspinlock *lock) in queued_spin_trylock() argument
92 int val = atomic_read(&lock->val); in queued_spin_trylock()
97 return likely(atomic_try_cmpxchg_acquire(&lock->val, &val, _Q_LOCKED_VAL)); in queued_spin_trylock()
100 extern void queued_spin_lock_slowpath(struct qspinlock *lock, u32 val);
107 static __always_inline void queued_spin_lock(struct qspinlock *lock) in queued_spin_lock() argument
111 if (likely(atomic_try_cmpxchg_acquire(&lock->val, &val, _Q_LOCKED_VAL))) in queued_spin_lock()
114 queued_spin_lock_slowpath(lock, val); in queued_spin_lock()
123 static __always_inline void queued_spin_unlock(struct qspinlock *lock) in queued_spin_unlock() argument
128 smp_store_release(&lock->locked, 0); in queued_spin_unlock()
133 static __always_inline bool virt_spin_lock(struct qspinlock *lock) in virt_spin_lock() argument