Hi Gerd,
Please check
[Patch V2 6/6] UefiCpuPkg: Enhance MpHandOff Handling.
Best,
Yuanhao
-Original Message-
From: Gerd Hoffmann
Sent: Monday, June 26, 2023 7:22 PM
To: Xie, Yuanhao
Cc: devel@edk2.groups.io; Dong, Eric ; Ni, Ray
; Kumar, Rahul R ; Tom Lendacky
Subject: Re: [Patch
Hi,
> The SaveCpuMpData() function was updated to construct the MP_HAND_OFF
> Hob.
The HOB still has the same scaleability problem (~2700 cpus max).
take care,
Gerd
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Initially, the purpose of the Hob was twofold: it served as a way to
transfer information from PEI to DXE. However, during the DXE phase,
only a few fields from the CPU_MP_DATA which collected in PEI phase were
needed. A new Hob was specifically created to transfer information
to the DXE phase. T
