Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: 68d506e0d15c0c412142be68ed006c65b641560f
https://github.com/tianocore/edk2/commit/68d506e0d15c0c412142be68ed006c65b641560f
Author: Zhiguang Liu <[email protected]>
Date: 2023-11-29 (Wed, 29 Nov 2023)
Changed paths:
M UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
Log Message:
-----------
UefiCpuPkg/PiSmmCpuDxeSmm: Use NonSmm BSP as default SMM BSP.
Currently, if BSP election is not enabled, will use Core0 as SMM BSP.
However, Core0 does not always have the highest performance.
So, we can used NonSmm BSP as default BSP.
This will take effect in normal SMM init flow and S3 boot flow.
In normal SMM flow, the code is executed before first SMI.
In S3 flow, the code is executed in Non-SMM BSP's first SMI, where the
gSmmCpuPrivate keeps the data from last boot.
Reviewed-by: Ray Ni <[email protected]>
Cc: Rahul Kumar <[email protected]>
Cc: Gerd Hoffmann <[email protected]>
Cc: Laszlo Ersek <[email protected]>
Signed-off-by: Zhiguang Liu <[email protected]>
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