From 46dd23b81ebe5041229608a851ed7af692863f3c Mon Sep 17 00:00:00 2001
From: qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 29 Mar 2007 07:45:24 +0000
Subject: 1.Define SPIN_LOCK as "volatile UINTN" to prevent mutli-processor
 access harzard. 2.Sync MTFTP4 Protocol GUID with spec. 3.Sync the definition
 the EFI_IP4_VARIABLE_DATA and EFI_TCP4_VARIABLE_DATA with spec

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2514 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdePkg/Include/Library/BaseLib.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'MdePkg/Include/Library')

diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index f98b250402..fb3ca34131 100644
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -25,7 +25,7 @@
 //
 // SPIN_LOCK
 //
-typedef UINTN                       SPIN_LOCK;
+typedef volatile UINTN              SPIN_LOCK;
 
 #if   defined (MDE_CPU_IA32)
 //
-- 
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