Re: [edk2-devel] [Patch V3 3/5] UefiCpuPkg: Create MpHandOff.

2023-06-28 Thread Yuanhao Xie
Hi Ray, Please check V4 patch series. Thanks for the feedbacks. Yuanhao > > The SaveCpuMpData() function was updated to construct the MP_HAND_OFF > Hob. Additionally, the function introduced the MP_HAND_OFF_SIGNAL, > which solely served the purpose of awakening the APs and transitioning > t

Re: [edk2-devel] [Patch V3 3/5] UefiCpuPkg: Create MpHandOff.

2023-06-26 Thread Ni, Ray
Several comments below: > > The SaveCpuMpData() function was updated to construct the MP_HAND_OFF > Hob. Additionally, the function introduced the MP_HAND_OFF_SIGNAL, > which solely served the purpose of awakening the APs > and transitioning their context from PEI to DXE. The > WaitLoopExecutionM

[edk2-devel] [Patch V3 3/5] UefiCpuPkg: Create MpHandOff.

2023-06-25 Thread Yuanhao Xie
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