Store BSP's MTRR setting only when CpuCount>1.
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 | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c
b/UefiCpuPkg/Library/MpInitLib/MpLib.c
index c26a17e1db..538095d3bb 100644
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c
@@ -2243,15 +2243,14 @@ MpInitLibInitialize (
MicrocodeDetect (CpuMpData, CpuMpData->BspNumber);
}
- //
- // Store BSP's MTRR setting
- //
- MtrrGetAllMtrrs (&CpuMpData->MtrrTable);
-
//
// Wakeup APs to do some AP initialize sync (MTRR and/or Microcode).
//
if (CpuMpData->CpuCount > 1) {
+ //
+ // 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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