48 	atomic_long_set(&lock->owner, 0);  in __mutex_init_generic()
58 static inline struct task_struct *__owner_task(unsigned long owner)  in __owner_task()  argument
60 	return (struct task_struct *)(owner & ~MUTEX_FLAGS);  in __owner_task()
69 static inline unsigned long __owner_flags(unsigned long owner)  in __owner_flags()  argument
71 	return owner & MUTEX_FLAGS;  in __owner_flags()
77 	unsigned long owner = atomic_long_read(&lock->owner);  in mutex_get_owner()  local
79 	return (unsigned long)__owner_task(owner);  in mutex_get_owner()
87 	unsigned long owner, curr = (unsigned long)current;  in __mutex_trylock_common()  local
89 	owner = atomic_long_read(&lock->owner);  in __mutex_trylock_common()
91 		unsigned long flags = __owner_flags(owner);  in __mutex_trylock_common()
92 		unsigned long task = owner & ~MUTEX_FLAGS;  in __mutex_trylock_common()
111 		if (atomic_long_try_cmpxchg_acquire(&lock->owner, &owner, task | flags)) {  in __mutex_trylock_common()
118 	return __owner_task(owner);  in __mutex_trylock_common()
161 	if (atomic_long_try_cmpxchg_acquire(&lock->owner, &zero, curr))  in __mutex_trylock_fast()
172 	return atomic_long_try_cmpxchg_release(&lock->owner, &curr, 0UL);  in __mutex_unlock_fast()
192 	atomic_long_or(flag, &lock->owner);  in __mutex_set_flag()
197 	atomic_long_andnot(flag, &lock->owner);  in __mutex_clear_flag()
265 	unsigned long owner = atomic_long_read(&lock->owner);  in __mutex_handoff()  local
270 		MUTEX_WARN_ON(__owner_task(owner) != current);  in __mutex_handoff()
271 		MUTEX_WARN_ON(owner & MUTEX_FLAG_PICKUP);  in __mutex_handoff()
273 		new = (owner & MUTEX_FLAG_WAITERS);  in __mutex_handoff()
278 		if (atomic_long_try_cmpxchg_release(&lock->owner, &owner, new))  in __mutex_handoff()
365 	if (!waiter && (atomic_long_read(&lock->owner) & MUTEX_FLAG_WAITERS))  in ww_mutex_spin_on_owner()
385 bool mutex_spin_on_owner(struct mutex *lock, struct task_struct *owner,  in mutex_spin_on_owner()  argument
392 	while (__mutex_owner(lock) == owner) {  in mutex_spin_on_owner()
406 		if (!owner_on_cpu(owner) || need_resched()) {  in mutex_spin_on_owner()
427 	struct task_struct *owner;  in mutex_can_spin_on_owner()  local
440 	owner = __mutex_owner(lock);  in mutex_can_spin_on_owner()
441 	if (owner)  in mutex_can_spin_on_owner()
442 		retval = owner_on_cpu(owner);  in mutex_can_spin_on_owner()
498 		struct task_struct *owner;  in mutex_optimistic_spin()  local
501 		owner = __mutex_trylock_or_owner(lock);  in mutex_optimistic_spin()
502 		if (!owner)  in mutex_optimistic_spin()
509 		if (!mutex_spin_on_owner(lock, owner, ww_ctx, waiter))  in mutex_optimistic_spin()
986 	unsigned long owner;  in __mutex_unlock_slowpath()  local
999 	owner = atomic_long_read(&lock->owner);  in __mutex_unlock_slowpath()
1001 		MUTEX_WARN_ON(__owner_task(owner) != current);  in __mutex_unlock_slowpath()
1002 		MUTEX_WARN_ON(owner & MUTEX_FLAG_PICKUP);  in __mutex_unlock_slowpath()
1004 		if (owner & MUTEX_FLAG_HANDOFF)  in __mutex_unlock_slowpath()
1007 		if (atomic_long_try_cmpxchg_release(&lock->owner, &owner, __owner_flags(owner))) {  in __mutex_unlock_slowpath()
1008 			if (owner & MUTEX_FLAG_WAITERS)  in __mutex_unlock_slowpath()
1026 	if (owner & MUTEX_FLAG_HANDOFF)  in __mutex_unlock_slowpath()