Re: [edk2] [PATCH v2] UefiCpuPkg/MpInitLib: AP uses memory preceding IDT to store CpuMpData

Please ignore this incorrect patch. -- Thanks, Ray ___ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel

[edk2] [PATCH v2] UefiCpuPkg/MpInitLib: AP uses memory preceding IDT to store CpuMpData

Today's MpInitLib PEI implementation directly calls PeiServices->GetHobList() from AP which may cause racing issue. This patch fixes this issue by storing the CpuMpData to memory preceding IDT. Pointer to PeiServices pointer is stored there, so after AP procedure returns, the PeiServices pointer s