90 	sem->owner = NULL;  in __init_rwsem()
350 static inline bool owner_on_cpu(struct task_struct *owner)  in owner_on_cpu()  argument
356 	return owner->on_cpu && !vcpu_is_preempted(task_cpu(owner));  in owner_on_cpu()
361 	struct task_struct *owner;  in rwsem_can_spin_on_owner()  local
370 	owner = READ_ONCE(sem->owner);  in rwsem_can_spin_on_owner()
371 	if (owner) {  in rwsem_can_spin_on_owner()
372 		ret = is_rwsem_owner_spinnable(owner) &&  in rwsem_can_spin_on_owner()
373 		      owner_on_cpu(owner);  in rwsem_can_spin_on_owner()
384 	struct task_struct *owner = READ_ONCE(sem->owner);  in rwsem_spin_on_owner()  local
386 	if (!is_rwsem_owner_spinnable(owner))  in rwsem_spin_on_owner()
390 	while (owner && (READ_ONCE(sem->owner) == owner)) {  in rwsem_spin_on_owner()
403 		if (need_resched() || !owner_on_cpu(owner)) {  in rwsem_spin_on_owner()
416 	return is_rwsem_owner_spinnable(READ_ONCE(sem->owner));  in rwsem_spin_on_owner()
454 		if (!sem->owner && (need_resched() || rt_task(current)))  in rwsem_optimistic_spin()