1 files changed, 1 insertions, 19 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c
index 55090e9c3e..069be3aaa5 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c
@@ -125,36 +125,18 @@ GetPageTableEntry (
   UINTN                 Index2;
   UINTN                 Index3;
   UINTN                 Index4;
-  UINTN                 Index5;
   UINT64                *L1PageTable;
   UINT64                *L2PageTable;
   UINT64                *L3PageTable;
   UINT64                *L4PageTable;
-  UINT64                *L5PageTable;
-  IA32_CR4              Cr4;
-  BOOLEAN               Enable5LevelPaging;
 
-  Index5 = ((UINTN)RShiftU64 (Address, 48)) & PAGING_PAE_INDEX_MASK;
   Index4 = ((UINTN)RShiftU64 (Address, 39)) & PAGING_PAE_INDEX_MASK;
   Index3 = ((UINTN)Address >> 30) & PAGING_PAE_INDEX_MASK;
   Index2 = ((UINTN)Address >> 21) & PAGING_PAE_INDEX_MASK;
   Index1 = ((UINTN)Address >> 12) & PAGING_PAE_INDEX_MASK;
 
-  Cr4.UintN = AsmReadCr4 ();
-  Enable5LevelPaging = (BOOLEAN) (Cr4.Bits.LA57 == 1);
-
   if (sizeof(UINTN) == sizeof(UINT64)) {
-    if (Enable5LevelPaging) {
-      L5PageTable = (UINT64 *)GetPageTableBase ();
-      if (L5PageTable[Index5] == 0) {
-        *PageAttribute = PageNone;
-        return NULL;
-      }
-
-      L4PageTable = (UINT64 *)(UINTN)(L5PageTable[Index5] & ~mAddressEncMask & PAGING_4K_ADDRESS_MASK_64);
-    } else {
-      L4PageTable = (UINT64 *)GetPageTableBase ();
-    }
+    L4PageTable = (UINT64 *)GetPageTableBase ();
     if (L4PageTable[Index4] == 0) {
       *PageAttribute = PageNone;
       return NULL;