Fix the bug in x64 thunk code that it cannot handle the case when GDT is loaded in...

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / CpuPause.c

diff --git a/MdePkg/Library/BaseLib/Ia32/CpuPause.c b/MdePkg/Library/BaseLib/Ia32/CpuPause.c
index e5206987d5d09307fe44becd8662a0814311d7c3..02ef505a262a7b3b449e952524b1cfb57201e66b 100644 (file)
--- a/MdePkg/Library/BaseLib/Ia32/CpuPause.c
+++ b/MdePkg/Library/BaseLib/Ia32/CpuPause.c
@@ -1,7 +1,7 @@
 /** @file\r
   CpuPause function.\r
 \r
-  Copyright (c) 2006, Intel Corporation<BR>\r
+  Copyright (c) 2006 - 2008, Intel Corporation<BR>\r
   All rights reserved. This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
@@ -12,8 +12,16 @@
 \r
 **/\r
 \r
-#if _MSC_EXTENSIONS\r
 \r
+\r
+\r
+/**\r
+  Requests CPU to pause for a short period of time.\r
+\r
+  Requests CPU to pause for a short period of time. Typically used in MP\r
+  systems to prevent memory starvation while waiting for a spin lock.\r
+\r
+**/\r
 VOID\r
 EFIAPI\r
 CpuPause (\r
@@ -25,4 +33,3 @@ CpuPause (
   }\r
 }\r
 \r
-#endif\r