> At some point processors are going to have to drop into a non-speculative security mode when dealing with vulnerable data like passwords and handshakes, and p

> At some point processors are going to have to drop into a non-speculative security mode when dealing with vulnerable data like passwords and handshakes, and pop back out of it when they're done. Would the act of switching to a noticeably lower performance state when operating on sensitive data reveal information to other threads?