Or...
Run on dedicated boxes & reclaim that huge loss of performance.
As I said when Spectre first come out--there is no fix without a very heavy penalty in performance/watt.
Intel is once again moving to patch its CPU microcode following the revelation of yet another data-leaking side-channel vulnerability. The same group of university boffins who helped uncover the infamous Spectre and Meltdown flaws say that a third issue, reported back in May under the name ZombieLoad, extends even further into …