Patent ID: 11886906
Assignee: INTEL CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A system comprising:
a replay co-processor; and
a processor coupled to the replay co-processor, the processor to execute a virtual machine, the virtual machine including instructions that, upon execution, cause the processor to:
operate in an extended page table memory access mode (EPT-mode);
transition, prior to beginning a verification time window during which the replay co-processor samples a state of the virtual machine, from operating in the EPT-mode to operating in a shadow page table memory access mode (SPT-mode),
operate in the SPT-mode during the verification time window; and
transition, after an end of the verification time window, from operating in the SPT-mode to operating in the EPT-mode.