Intel Trust Domain Extensions (TDX) is one of the new features with 4th Gen Xeon Scalable “Sapphire Rapids” processors but is limited this generation to deployment by a few select cloud partners. For Linux 6.3 this feature for hardware-isolated virtual machines is continuing to be further refined…

Source: Phoronix – Intel TDX With Linux 6.3 Updated To Avoid “Total Insanity” Scenario