76 	struct i915_mmu_object *mo = container_of(work, typeof(*mo), work);  in cancel_userptr()  local
77 	struct drm_i915_gem_object *obj = mo->obj;  in cancel_userptr()
96 static void add_object(struct i915_mmu_object *mo)  in add_object()  argument
98 	if (mo->attached)  in add_object()
101 	interval_tree_insert(&mo->it, &mo->mn->objects);  in add_object()
102 	mo->attached = true;  in add_object()
105 static void del_object(struct i915_mmu_object *mo)  in del_object()  argument
107 	if (!mo->attached)  in del_object()
110 	interval_tree_remove(&mo->it, &mo->mn->objects);  in del_object()
111 	mo->attached = false;  in del_object()
121 	struct i915_mmu_object *mo;  in i915_gem_userptr_mn_invalidate_range_start()  local
143 		mo = container_of(it, struct i915_mmu_object, it);  in i915_gem_userptr_mn_invalidate_range_start()
144 		if (kref_get_unless_zero(&mo->obj->base.refcount))  in i915_gem_userptr_mn_invalidate_range_start()
145 			queue_work(mn->wq, &mo->work);  in i915_gem_userptr_mn_invalidate_range_start()
147 		list_add(&mo->link, &cancelled);  in i915_gem_userptr_mn_invalidate_range_start()
150 	list_for_each_entry(mo, &cancelled, link)  in i915_gem_userptr_mn_invalidate_range_start()
151 		del_object(mo);  in i915_gem_userptr_mn_invalidate_range_start()
194 	struct i915_mmu_object *mo;  in i915_gem_userptr_release__mmu_notifier()  local
196 	mo = obj->userptr.mmu_object;  in i915_gem_userptr_release__mmu_notifier()
197 	if (mo == NULL)  in i915_gem_userptr_release__mmu_notifier()
200 	spin_lock(&mo->mn->lock);  in i915_gem_userptr_release__mmu_notifier()
201 	del_object(mo);  in i915_gem_userptr_release__mmu_notifier()
202 	spin_unlock(&mo->mn->lock);  in i915_gem_userptr_release__mmu_notifier()
203 	kfree(mo);  in i915_gem_userptr_release__mmu_notifier()
235 	struct i915_mmu_object *mo;  in i915_gem_userptr_init__mmu_notifier()  local
247 	mo = kzalloc(sizeof(*mo), GFP_KERNEL);  in i915_gem_userptr_init__mmu_notifier()
248 	if (mo == NULL)  in i915_gem_userptr_init__mmu_notifier()
251 	mo->mn = mn;  in i915_gem_userptr_init__mmu_notifier()
252 	mo->obj = obj;  in i915_gem_userptr_init__mmu_notifier()
253 	mo->it.start = obj->userptr.ptr;  in i915_gem_userptr_init__mmu_notifier()
254 	mo->it.last = obj->userptr.ptr + obj->base.size - 1;  in i915_gem_userptr_init__mmu_notifier()
255 	INIT_WORK(&mo->work, cancel_userptr);  in i915_gem_userptr_init__mmu_notifier()
257 	obj->userptr.mmu_object = mo;  in i915_gem_userptr_init__mmu_notifier()