Clarify alignment of GetSpinLockProperties() is byte alignment.

Signed-off-by: lgao4
Reviewed-by: mdkinney

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13086 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Include/Library/SynchronizationLib.h

@@ -1,7 +1,7 @@
 /** @file
   Provides synchronization functions.
 
-Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2012, 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
@@ -26,8 +26,8 @@ typedef volatile UINTN              SPIN_LOCK;
   optimal spin lock performance.
 
   This function retrieves the spin lock alignment requirements for optimal
-  performance on a given CPU architecture. The spin lock alignment must be a
-  power of two and is returned by this function. If there are no alignment
+  performance on a given CPU architecture. The spin lock alignment is byte alignment. 
+  It must be a power of two and is returned by this function. If there are no alignment
   requirements, then 1 must be returned. The spin lock synchronization
   functions must function correctly if the spin lock size and alignment values
   returned by this function are not used at all. These values are hints to the

MdePkg/Library/BaseSynchronizationLib/Synchronization.c

@@ -1,7 +1,7 @@
 /** @file
   Implementation of synchronization functions.
 
-  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2012, 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
@@ -22,8 +22,8 @@
   optimal spin lock performance.
 
   This function retrieves the spin lock alignment requirements for optimal
-  performance on a given CPU architecture. The spin lock alignment must be a
-  power of two and is returned by this function. If there are no alignment
+  performance on a given CPU architecture. The spin lock alignment is byte alignment. 
+  It must be a power of two and is returned by this function. If there are no alignment
   requirements, then 1 must be returned. The spin lock synchronization
   functions must function correctly if the spin lock size and alignment values
   returned by this function are not used at all. These values are hints to the

MdePkg/Library/BaseSynchronizationLib/SynchronizationGcc.c

@@ -1,7 +1,7 @@
 /** @file
   Implementation of synchronization functions.
 
-  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
   Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
@@ -28,8 +28,8 @@
   optimal spin lock performance.
 
   This function retrieves the spin lock alignment requirements for optimal
-  performance on a given CPU architecture. The spin lock alignment must be a
-  power of two and is returned by this function. If there are no alignment
+  performance on a given CPU architecture. The spin lock alignment is byte alignment. 
+  It must be a power of two and is returned by this function. If there are no alignment
   requirements, then 1 must be returned. The spin lock synchronization
   functions must function correctly if the spin lock size and alignment values
   returned by this function are not used at all. These values are hints to the

MdePkg/Library/BaseSynchronizationLib/SynchronizationMsc.c

@@ -1,7 +1,7 @@
 /** @file
   Implementation of synchronization functions.
 
-  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2012, 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
@@ -30,8 +30,8 @@ void    _ReadWriteBarrier (void);
   optimal spin lock performance.
 
   This function retrieves the spin lock alignment requirements for optimal
-  performance on a given CPU architecture. The spin lock alignment must be a
-  power of two and is returned by this function. If there are no alignment
+  performance on a given CPU architecture. The spin lock alignment is byte alignment. 
+  It must be a power of two and is returned by this function. If there are no alignment
   requirements, then 1 must be returned. The spin lock synchronization
   functions must function correctly if the spin lock size and alignment values
   returned by this function are not used at all. These values are hints to the