Mill Computing, Inc. › Forums › The Mill › Architecture › Meltdown and Spectre › Reply To: Meltdown and Spectre
February 19, 2018 at 5:10 pm
Post count: 679
Yes, one could reload a cache image at portal exit, or even simpler just evict everything. The spectre attack depends on getting the victim to speculatively touch a line that it would not have touched in ordinary execution. It’s not clear that it’s very useful for an attacker to know which cache ways a victim touched during the normal execution of the portal.