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UefiCpuPkg/CpuMpPei: Do not load new GDT table

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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>
This commit is contained in:
Jeff Fan
2016-07-11 19:46:36 +08:00
parent d1471c0112
commit 9c3d2f9a29
1 changed files with 1 additions and 5 deletions
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6
UefiCpuPkg/CpuMpPei/CpuMpPei.c
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@@ -464,7 +464,7 @@ WakeUpAP (
// //
// Get the BSP's data of GDT and IDT // Get the BSP's data of GDT and IDT
// //
CopyMem ((VOID *)&ExchangeInfo->GdtrProfile, &mGdt, sizeof(mGdt)); AsmReadGdtr ((IA32_DESCRIPTOR *) &ExchangeInfo->GdtrProfile);
AsmReadIdtr ((IA32_DESCRIPTOR *) &ExchangeInfo->IdtrProfile); AsmReadIdtr ((IA32_DESCRIPTOR *) &ExchangeInfo->IdtrProfile);
if (PeiCpuMpData->ApLoopMode == ApInMwaitLoop) { if (PeiCpuMpData->ApLoopMode == ApInMwaitLoop) {
@@ -859,10 +859,6 @@ CpuMpPeimInit (
EFI_VECTOR_HANDOFF_INFO *VectorInfo; EFI_VECTOR_HANDOFF_INFO *VectorInfo;
EFI_PEI_VECTOR_HANDOFF_INFO_PPI *VectorHandoffInfoPpi; EFI_PEI_VECTOR_HANDOFF_INFO_PPI *VectorHandoffInfoPpi;
//
// Load new GDT table on BSP
//
AsmInitializeGdt (&mGdt);
// //
// Get Vector Hand-off Info PPI // Get Vector Hand-off Info PPI
// //