Yes, starting with Linux 5.2, a bunch of mitigations can be disabled with that 1 boot option. But that's just a small part of where the performance gain comes f

Yes, starting with Linux 5.2, a bunch of mitigations can be disabled with that 1 boot option. But that's just a small part of where the performance gain comes from. The real win is just recent, dedicated and non-virtualized hardware.