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SEV-SNP VMPL-switching details

Question asked by adilahmad17 on Oct 13, 2020
Latest reply on Oct 14, 2020 by adilahmad17



I have a question about AMD's upcoming SEV-SNP feature. I was reading the AMD64 software developer's manual (hyper-linked) and saw the Virtual Machine Privilege Levels (VMPL) feature (to be included with SEV-SNP). I was wondering how the feature is activated by the guest and how can a guest switch the VMPL-levels of its vCPUs? I couldn't find an answer to these questions in the manual.