The new discovery was that there's a speculative execution side channel. Those links are discussing the potential of a cache side channel which is very differen

The new discovery was that there's a speculative execution side channel. Those links are discussing the potential of a cache side channel which is very different thing. It's the difference between "i might be able to infer some things that are in the cache that something else put there" and "please give me the contents of this address".