UefiCpuPkg/CpuS3DataDxe: do not allocate useless register tables

[mirror_edk2.git] / UefiCpuPkg / CpuS3DataDxe / CpuS3Data.c

diff --git a/UefiCpuPkg/CpuS3DataDxe/CpuS3Data.c b/UefiCpuPkg/CpuS3DataDxe/CpuS3Data.c
index 2be335d9190369c2d8183131018f1854f9b22936..078af36cfb41104adb1be6e2b2bacc4a335cacdd 100644 (file)
--- a/UefiCpuPkg/CpuS3DataDxe/CpuS3Data.c
+++ b/UefiCpuPkg/CpuS3DataDxe/CpuS3Data.c
@@ -165,10 +165,6 @@ CpuS3DataInitialize (
   UINTN                      NumberOfCpus;\r
   UINTN                      NumberOfEnabledProcessors;\r
   VOID                       *Stack;\r
-  UINTN                      TableSize;\r
-  CPU_REGISTER_TABLE         *RegisterTable;\r
-  UINTN                      Index;\r
-  EFI_PROCESSOR_INFORMATION  ProcessorInfoBuffer;\r
   UINTN                      GdtSize;\r
   UINTN                      IdtSize;\r
   VOID                       *Gdt;\r
@@ -255,34 +251,6 @@ CpuS3DataInitialize (
     AcpiCpuData->PreSmmInitRegisterTable = OldAcpiCpuData->PreSmmInitRegisterTable;\r
     AcpiCpuData->ApLocation              = OldAcpiCpuData->ApLocation;\r
     CopyMem (&AcpiCpuData->CpuStatus, &OldAcpiCpuData->CpuStatus, sizeof (CPU_STATUS_INFORMATION));\r
-  } else {\r
-    //\r
-    // Allocate buffer for empty RegisterTable and PreSmmInitRegisterTable for all CPUs\r
-    //\r
-    TableSize = 2 * NumberOfCpus * sizeof (CPU_REGISTER_TABLE);\r
-    RegisterTable = (CPU_REGISTER_TABLE *)AllocateZeroPages (TableSize);\r
-    ASSERT (RegisterTable != NULL);\r
-\r
-    for (Index = 0; Index < NumberOfCpus; Index++) {\r
-      Status = MpServices->GetProcessorInfo (\r
-                           MpServices,\r
-                           Index,\r
-                           &ProcessorInfoBuffer\r
-                           );\r
-      ASSERT_EFI_ERROR (Status);\r
-\r
-      RegisterTable[Index].InitialApicId      = (UINT32)ProcessorInfoBuffer.ProcessorId;\r
-      RegisterTable[Index].TableLength        = 0;\r
-      RegisterTable[Index].AllocatedSize      = 0;\r
-      RegisterTable[Index].RegisterTableEntry = 0;\r
-\r
-      RegisterTable[NumberOfCpus + Index].InitialApicId      = (UINT32)ProcessorInfoBuffer.ProcessorId;\r
-      RegisterTable[NumberOfCpus + Index].TableLength        = 0;\r
-      RegisterTable[NumberOfCpus + Index].AllocatedSize      = 0;\r
-      RegisterTable[NumberOfCpus + Index].RegisterTableEntry = 0;\r
-    }\r
-    AcpiCpuData->RegisterTable           = (EFI_PHYSICAL_ADDRESS)(UINTN)RegisterTable;\r
-    AcpiCpuData->PreSmmInitRegisterTable = (EFI_PHYSICAL_ADDRESS)(UINTN)(RegisterTable + NumberOfCpus);\r
   }\r
 \r
   //\r