X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=UefiCpuPkg%2FPiSmmCpuDxeSmm%2FX64%2FSmmFuncsArch.c;h=6a5d453242ff43b362451aaa2a94a51066bc225e;hp=9d26e44a9acd58c1f279694d0afa3eac2498a544;hb=6e601a4109d4a998596986718653048ae23de0a6;hpb=018432f0ce1b42541977f61f9c7607257a4bf43a

diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
index 9d26e44a9a..6a5d453242 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
@@ -1,7 +1,7 @@
 /** @file
   SMM CPU misc functions for x64 arch specific.
   
-Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
 This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
 which accompanies this distribution.  The full text of the license may be found at
@@ -95,54 +95,6 @@ InitGdt (
   return GdtTssTables;
 }
 
-/**
-  This function sets GDT/IDT buffer to be RO and XP.
-**/
-VOID
-PatchGdtIdtMap (
-  VOID
-  )
-{
-  EFI_PHYSICAL_ADDRESS       BaseAddress;
-  UINTN                      Size;
-
-  //
-  // GDT
-  //
-  DEBUG ((DEBUG_INFO, "PatchGdtIdtMap - GDT:\n"));
-
-  BaseAddress = mGdtBuffer;
-  Size = ALIGN_VALUE(mGdtBufferSize, SIZE_4KB);
-  SmmSetMemoryAttributes (
-    BaseAddress,
-    Size,
-    EFI_MEMORY_RO
-    );
-  SmmSetMemoryAttributes (
-    BaseAddress,
-    Size,
-    EFI_MEMORY_XP
-    );
-
-  //
-  // IDT
-  //
-  DEBUG ((DEBUG_INFO, "PatchGdtIdtMap - IDT:\n"));
-
-  BaseAddress = gcSmiIdtr.Base;
-  Size = ALIGN_VALUE(gcSmiIdtr.Limit + 1, SIZE_4KB);
-  SmmSetMemoryAttributes (
-    BaseAddress,
-    Size,
-    EFI_MEMORY_RO
-    );
-  SmmSetMemoryAttributes (
-    BaseAddress,
-    Size,
-    EFI_MEMORY_XP
-    );
-}
-
 /**
   Get Protected mode code segment from current GDT table.