Re: [PATCH v40 0/8] MR3103: server: Create and use a desktop shared mapping for GetCursorPos.

[Jacek Caban (＠jacek)]

> And it doesn't work because `NtUserSetThreadDesktop` is not always called but threads still have an implicit desktop nonetheless.

OK, so we need the validation here after all. I still believe that it may be structured better.
> For example, the suggested code (especially `validate_lock_object`) assumes that `object->id` does not change.

Right, it should validate against the cached id instead.