Summary
The Intel® SGX implementation in Intel® Xeon® Scalable Processors uses the EPCM to perform security checks when allocating EPC pages to enclaves.
Description
Unable to determine if the Intel® SGX implementation in Intel® Xeon® Scalable Processors uses the EPCM structure to record EPC information.
Resolution
Yes, Intel SGX on Intel Xeon Scalable Processors still uses the EPCM to record EPC information and perform security checks when allocating EPC pages to enclaves.
Additional information
Refer to the Intel® 64 and IA-32 Architectures Software Developer's Manual Combined Volumes 3A, 3B, 3C, and 3D: System Programming Guide for more information on the EPCM.