Whether permanent revolution is regarded as an end in itself or whether things are to be finally resolved in a communist utopia I don't know.
John Gray's Black Mass discusses millenarianism. It seems to apply to the neocon/liberal interventionist
fantasy of globalisation/US hegemony (capitalist or liberal democratic to taste) in perpetuity.
The end of history.
In reality, history will only end with human extinction. Which, ironically, pursuit of these utopian fantasies might bring about.