[Patch] MdeModulePkg PiSmmIpl: Update SmmCommunication comments to match code logic

[Liming Gao <liming.gao@intel.com>]

Cc: Star Zeng <star.zeng@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
---
 MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c b/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c
index d3a5cda..7a4f4df 100644
--- a/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c
+++ b/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c
@@ -1,7 +1,7 @@
 /** @file
   SMM IPL that produces SMM related runtime protocols and load the SMM Core into SMRAM
 
-  Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2009 - 2017, 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        
@@ -508,7 +508,7 @@ SmmCommunicationCommunicate (
   }
 
   //
-  // If we are not in SMM, don't allow call SmiManage() directly when SMRAM is closed or locked.
+  // Before SetVirtualAddressMap(), we are in SMM or SMRAM is open and unlock, call SmiManage() directly.
   //
   if ((!gSmmCorePrivate->InSmm) && (!mSmmAccess->OpenState || mSmmAccess->LockState)) {
     return EFI_INVALID_PARAMETER;
-- 
2.8.0.windows.1