41 	atomic_long_set(&lock->owner, 0);  in __mutex_init()
67 static inline struct task_struct *__owner_task(unsigned long owner)  in __owner_task()  argument
69 	return (struct task_struct *)(owner & ~MUTEX_FLAGS);  in __owner_task()
72 static inline unsigned long __owner_flags(unsigned long owner)  in __owner_flags()  argument
74 	return owner & MUTEX_FLAGS;  in __owner_flags()
82 	unsigned long owner, curr = (unsigned long)current;  in __mutex_trylock_or_owner()  local
84 	owner = atomic_long_read(&lock->owner);  in __mutex_trylock_or_owner()
86 		unsigned long old, flags = __owner_flags(owner);  in __mutex_trylock_or_owner()
87 		unsigned long task = owner & ~MUTEX_FLAGS;  in __mutex_trylock_or_owner()
110 		old = atomic_long_cmpxchg_acquire(&lock->owner, owner, curr | flags);  in __mutex_trylock_or_owner()
111 		if (old == owner)  in __mutex_trylock_or_owner()
114 		owner = old;  in __mutex_trylock_or_owner()
117 	return __owner_task(owner);  in __mutex_trylock_or_owner()
144 	if (atomic_long_try_cmpxchg_acquire(&lock->owner, &zero, curr))  in __mutex_trylock_fast()
154 	if (atomic_long_cmpxchg_release(&lock->owner, curr, 0UL) == curr)  in __mutex_unlock_fast()
163 	atomic_long_or(flag, &lock->owner);  in __mutex_set_flag()
168 	atomic_long_andnot(flag, &lock->owner);  in __mutex_clear_flag()
199 	unsigned long owner = atomic_long_read(&lock->owner);  in __mutex_handoff()  local
205 		DEBUG_LOCKS_WARN_ON(__owner_task(owner) != current);  in __mutex_handoff()
206 		DEBUG_LOCKS_WARN_ON(owner & MUTEX_FLAG_PICKUP);  in __mutex_handoff()
209 		new = (owner & MUTEX_FLAG_WAITERS);  in __mutex_handoff()
214 		old = atomic_long_cmpxchg_release(&lock->owner, owner, new);  in __mutex_handoff()
215 		if (old == owner)  in __mutex_handoff()
218 		owner = old;  in __mutex_handoff()
366 	struct task_struct *owner = __mutex_owner(lock);  in __ww_mutex_wound()  local
383 	if (!owner)  in __ww_mutex_wound()
395 		if (owner != current)  in __ww_mutex_wound()
396 			wake_up_process(owner);  in __ww_mutex_wound()
460 	if (likely(!(atomic_long_read(&lock->base.owner) & MUTEX_FLAG_WAITERS)))  in ww_mutex_set_context_fastpath()
503 	if (!waiter && (atomic_long_read(&lock->owner) & MUTEX_FLAG_WAITERS))  in ww_mutex_spin_on_owner()
523 bool mutex_spin_on_owner(struct mutex *lock, struct task_struct *owner,  in mutex_spin_on_owner()  argument
529 	while (__mutex_owner(lock) == owner) {  in mutex_spin_on_owner()
541 		if (!owner->on_cpu || need_resched() ||  in mutex_spin_on_owner()
542 				vcpu_is_preempted(task_cpu(owner))) {  in mutex_spin_on_owner()
564 	struct task_struct *owner;  in mutex_can_spin_on_owner()  local
571 	owner = __mutex_owner(lock);  in mutex_can_spin_on_owner()
577 	if (owner)  in mutex_can_spin_on_owner()
578 		retval = owner->on_cpu && !vcpu_is_preempted(task_cpu(owner));  in mutex_can_spin_on_owner()
635 		struct task_struct *owner;  in mutex_optimistic_spin()  local
638 		owner = __mutex_trylock_or_owner(lock);  in mutex_optimistic_spin()
639 		if (!owner)  in mutex_optimistic_spin()
646 		if (!mutex_spin_on_owner(lock, owner, ww_ctx, waiter))  in mutex_optimistic_spin()
1195 	unsigned long owner;  in __mutex_unlock_slowpath()  local
1206 	owner = atomic_long_read(&lock->owner);  in __mutex_unlock_slowpath()
1211 		DEBUG_LOCKS_WARN_ON(__owner_task(owner) != current);  in __mutex_unlock_slowpath()
1212 		DEBUG_LOCKS_WARN_ON(owner & MUTEX_FLAG_PICKUP);  in __mutex_unlock_slowpath()
1215 		if (owner & MUTEX_FLAG_HANDOFF)  in __mutex_unlock_slowpath()
1218 		old = atomic_long_cmpxchg_release(&lock->owner, owner,  in __mutex_unlock_slowpath()
1219 						  __owner_flags(owner));  in __mutex_unlock_slowpath()
1220 		if (old == owner) {  in __mutex_unlock_slowpath()
1221 			if (owner & MUTEX_FLAG_WAITERS)  in __mutex_unlock_slowpath()
1227 		owner = old;  in __mutex_unlock_slowpath()
1244 	if (owner & MUTEX_FLAG_HANDOFF)  in __mutex_unlock_slowpath()