UefiCpuPkg/CpuMpPei: Do not load new GDT table

Do not load the new GDT table and just to use the exiting BSP's GDT table set up
by SEC phase.

Cc: Feng Tian <feng.tian@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Giri Mudusuru <giri.p.mudusuru@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Giri P Mudusuru <giri.p.mudusuru@intel.com>

diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.c b/UefiCpuPkg/CpuMpPei/CpuMpPei.c
index 9b602a190631935050fad188895e31b254aa1a34..5a1a64888ca74c91c173c32481204d32c98d3121 100644 (file)
--- a/UefiCpuPkg/CpuMpPei/CpuMpPei.c
+++ b/UefiCpuPkg/CpuMpPei/CpuMpPei.c
@@ -464,7 +464,7 @@ WakeUpAP (
   //\r
   // Get the BSP's data of GDT and IDT\r
   //\r
-  CopyMem ((VOID *)&ExchangeInfo->GdtrProfile, &mGdt, sizeof(mGdt));\r
+  AsmReadGdtr ((IA32_DESCRIPTOR *) &ExchangeInfo->GdtrProfile);\r
   AsmReadIdtr ((IA32_DESCRIPTOR *) &ExchangeInfo->IdtrProfile);\r
 \r
   if (PeiCpuMpData->ApLoopMode == ApInMwaitLoop) {\r
@@ -859,10 +859,6 @@ CpuMpPeimInit (
   EFI_VECTOR_HANDOFF_INFO         *VectorInfo;\r
   EFI_PEI_VECTOR_HANDOFF_INFO_PPI *VectorHandoffInfoPpi;\r
 \r
-  //\r
-  // Load new GDT table on BSP\r
-  //\r
-  AsmInitializeGdt (&mGdt);\r
   //\r
   // Get Vector Hand-off Info PPI\r
   //\r