Detect and apply Microcode on BSP, store BSP's MTRR setting only when
CpuCount > 1.
The purpose of this patch is to enhance the review process.
The separation in this patch is aimed at facilitating a more
straightforward review, with the ultimate goal of eliminating the
microcode loading functionality for the second time Mp initialization
Cc: Ray Ni <ray...@intel.com>
Cc: Eric Dong <eric.d...@intel.com>
Cc: Rahul Kumar <rahul1.ku...@intel.com>
Cc: Tom Lendacky <thomas.lenda...@amd.com>
Cc: Laszlo Ersek <ler...@redhat.com>
Signed-off-by: Yuanhao Xie <yuanhao....@intel.com>
---
UefiCpuPkg/Library/MpInitLib/MpLib.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c
b/UefiCpuPkg/Library/MpInitLib/MpLib.c
index e8ffb99874..bb5d4188f0 100644
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c
@@ -2236,19 +2236,19 @@ MpInitLibInitialize (
ShadowMicrocodeUpdatePatch (CpuMpData);
}
- //
- // Detect and apply Microcode on BSP
- //
- MicrocodeDetect (CpuMpData, CpuMpData->BspNumber);
- //
- // Store BSP's MTRR setting
- //
- MtrrGetAllMtrrs (&CpuMpData->MtrrTable);
-
//
// Wakeup APs to do some AP initialize sync (Microcode & MTRR)
//
if (CpuMpData->CpuCount > 1) {
+ //
+ // Detect and apply Microcode on BSP
+ //
+ MicrocodeDetect (CpuMpData, CpuMpData->BspNumber);
+ //
+ // Store BSP's MTRR setting
+ //
+ MtrrGetAllMtrrs (&CpuMpData->MtrrTable);
+
if (MpHandOff != NULL) {
//
// Only needs to use this flag for DXE phase to update the wake up
--
2.39.1.windows.1
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