" Most workloads that we have run show single-digit regressions. 5% is a good round number for what is typical. The worst we have seen is a roughly 30% regression on a loopback networking test that did a ton of syscalls and context switches."
https://lwn.net/Articles/738975/
Alighanem ez nem tesz jot a legtobb virtualis halozotnak, proxynak, static webservernek, memcached ..
Lehet ez lesz az elso security `feature` amit tenyleg letiltok.
A Hardwares `fix` is rosszul hangzik, ha komolyan gondoljak a memoria cim feloldas szandekos lassitasiat.
Amit nem lehet megirni assemblyben, azt nem lehet megirni.