42 	atomic_long_set(&lock->owner, 0);  in __mutex_init()
75 	return (struct task_struct *)(atomic_long_read(&lock->owner) & ~MUTEX_FLAGS);  in __mutex_owner()
78 static inline struct task_struct *__owner_task(unsigned long owner)  in __owner_task()  argument
80 	return (struct task_struct *)(owner & ~MUTEX_FLAGS);  in __owner_task()
99 static inline unsigned long __owner_flags(unsigned long owner)  in __owner_flags()  argument
101 	return owner & MUTEX_FLAGS;  in __owner_flags()
109 	unsigned long owner, curr = (unsigned long)current;  in __mutex_trylock_or_owner()  local
111 	owner = atomic_long_read(&lock->owner);  in __mutex_trylock_or_owner()
113 		unsigned long old, flags = __owner_flags(owner);  in __mutex_trylock_or_owner()
114 		unsigned long task = owner & ~MUTEX_FLAGS;  in __mutex_trylock_or_owner()
137 		old = atomic_long_cmpxchg_acquire(&lock->owner, owner, curr | flags);  in __mutex_trylock_or_owner()
138 		if (old == owner)  in __mutex_trylock_or_owner()
141 		owner = old;  in __mutex_trylock_or_owner()
144 	return __owner_task(owner);  in __mutex_trylock_or_owner()
171 	if (atomic_long_try_cmpxchg_acquire(&lock->owner, &zero, curr))  in __mutex_trylock_fast()
181 	if (atomic_long_cmpxchg_release(&lock->owner, curr, 0UL) == curr)  in __mutex_unlock_fast()
190 	atomic_long_or(flag, &lock->owner);  in __mutex_set_flag()
195 	atomic_long_andnot(flag, &lock->owner);  in __mutex_clear_flag()
226 	unsigned long owner = atomic_long_read(&lock->owner);  in __mutex_handoff()  local
232 		DEBUG_LOCKS_WARN_ON(__owner_task(owner) != current);  in __mutex_handoff()
233 		DEBUG_LOCKS_WARN_ON(owner & MUTEX_FLAG_PICKUP);  in __mutex_handoff()
236 		new = (owner & MUTEX_FLAG_WAITERS);  in __mutex_handoff()
241 		old = atomic_long_cmpxchg_release(&lock->owner, owner, new);  in __mutex_handoff()
242 		if (old == owner)  in __mutex_handoff()
245 		owner = old;  in __mutex_handoff()
393 	struct task_struct *owner = __mutex_owner(lock);  in __ww_mutex_wound()  local
410 	if (!owner)  in __ww_mutex_wound()
422 		if (owner != current)  in __ww_mutex_wound()
423 			wake_up_process(owner);  in __ww_mutex_wound()
487 	if (likely(!(atomic_long_read(&lock->base.owner) & MUTEX_FLAG_WAITERS)))  in ww_mutex_set_context_fastpath()
530 	if (!waiter && (atomic_long_read(&lock->owner) & MUTEX_FLAG_WAITERS))  in ww_mutex_spin_on_owner()
550 bool mutex_spin_on_owner(struct mutex *lock, struct task_struct *owner,  in mutex_spin_on_owner()  argument
556 	while (__mutex_owner(lock) == owner) {  in mutex_spin_on_owner()
568 		if (!owner->on_cpu || need_resched() ||  in mutex_spin_on_owner()
569 				vcpu_is_preempted(task_cpu(owner))) {  in mutex_spin_on_owner()
591 	struct task_struct *owner;  in mutex_can_spin_on_owner()  local
598 	owner = __mutex_owner(lock);  in mutex_can_spin_on_owner()
604 	if (owner)  in mutex_can_spin_on_owner()
605 		retval = owner->on_cpu && !vcpu_is_preempted(task_cpu(owner));  in mutex_can_spin_on_owner()
662 		struct task_struct *owner;  in mutex_optimistic_spin()  local
665 		owner = __mutex_trylock_or_owner(lock);  in mutex_optimistic_spin()
666 		if (!owner)  in mutex_optimistic_spin()
673 		if (!mutex_spin_on_owner(lock, owner, ww_ctx, waiter))  in mutex_optimistic_spin()
1226 	unsigned long owner;  in __mutex_unlock_slowpath()  local
1237 	owner = atomic_long_read(&lock->owner);  in __mutex_unlock_slowpath()
1242 		DEBUG_LOCKS_WARN_ON(__owner_task(owner) != current);  in __mutex_unlock_slowpath()
1243 		DEBUG_LOCKS_WARN_ON(owner & MUTEX_FLAG_PICKUP);  in __mutex_unlock_slowpath()
1246 		if (owner & MUTEX_FLAG_HANDOFF)  in __mutex_unlock_slowpath()
1249 		old = atomic_long_cmpxchg_release(&lock->owner, owner,  in __mutex_unlock_slowpath()
1250 						  __owner_flags(owner));  in __mutex_unlock_slowpath()
1251 		if (old == owner) {  in __mutex_unlock_slowpath()
1252 			if (owner & MUTEX_FLAG_WAITERS)  in __mutex_unlock_slowpath()
1258 		owner = old;  in __mutex_unlock_slowpath()
1275 	if (owner & MUTEX_FLAG_HANDOFF)  in __mutex_unlock_slowpath()