X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FLibrary%2FBaseSynchronizationLib%2FX64%2FInterlockedCompareExchange64.c;h=a8f9fbb594476116bfdc635656cc803f88524523;hp=56805b3d2d312e7e0643068964052a483de0ff0f;hb=4cee954ea8063ab2a911e418d8a9e7a179df212b;hpb=7375f3f11a70e3c7295ef7005f6723ced176ad0a

diff --git a/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange64.c b/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange64.c
index 56805b3d2d..a8f9fbb594 100644
--- a/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange64.c
+++ b/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange64.c
@@ -1,7 +1,7 @@
 /** @file
   InterlockedCompareExchange64 function
 
-  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2016, 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
@@ -43,7 +43,7 @@ __int64 _InterlockedCompareExchange64(
 UINT64
 EFIAPI
 InternalSyncCompareExchange64 (
-  IN      UINT64                    *Value,
+  IN      volatile UINT64           *Value,
   IN      UINT64                    CompareValue,
   IN      UINT64                    ExchangeValue
   )