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Why is PSP/TrustZone required for General Purpose X86-64 processor?

Question asked by yndoendo on Aug 28, 2017

Why does your general purpose X86-64 processor require AMD Secure Processor (PSP) / TrustZone?


Why are end users forbade from disabling the PSP / TrustZone?


Will AMD be coming out with a general purpose X86-64 process that does not incorporate PSP / TrustZone?


Who holds the liability if PSP / TrustZone is exploited in the wild?