Revision: 16951
http://sourceforge.net/p/edk2/code/16951
Author: shenshushi
Date: 2015-02-28 02:36:06 +0000 (Sat, 28 Feb 2015)
Log Message:
-----------
NT32Pkg: Bind NT32 process to a single core to avoid NT32 crash issue in some
multi-core processors.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qiu Shumin <[email protected]>
Reviewed-by: Ni Ruiyu <[email protected]>
Modified Paths:
--------------
trunk/edk2/Nt32Pkg/Sec/SecMain.c
Modified: trunk/edk2/Nt32Pkg/Sec/SecMain.c
===================================================================
--- trunk/edk2/Nt32Pkg/Sec/SecMain.c 2015-02-27 17:54:29 UTC (rev 16950)
+++ trunk/edk2/Nt32Pkg/Sec/SecMain.c 2015-02-28 02:36:06 UTC (rev 16951)
@@ -1,6 +1,6 @@
/**@file
-Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2015, 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
@@ -183,7 +183,11 @@
CHAR16 *MemorySizeStr;
CHAR16 *FirmwareVolumesStr;
UINTN *StackPointer;
+ UINT32 ProcessAffinityMask;
+ UINT32 SystemAffinityMask;
+ INT32 LowBit;
+
//
// Enable the privilege so that RTC driver can successfully run SetTime()
//
@@ -200,6 +204,20 @@
SecPrint ("\nEDK II SEC Main NT Emulation Environment from
www.TianoCore.org\n");
//
+ // Determine the first thread available to this process.
+ //
+ if (GetProcessAffinityMask (GetCurrentProcess (), &ProcessAffinityMask,
&SystemAffinityMask)) {
+ LowBit = (INT32)LowBitSet32 (ProcessAffinityMask);
+ if (LowBit != -1) {
+ //
+ // Force the system to bind the process to a single thread to work
+ // around odd semaphore type crashes.
+ //
+ SetProcessAffinityMask (GetCurrentProcess (), (INTN)(BIT0 << LowBit));
+ }
+ }
+
+ //
// Make some Windows calls to Set the process to the highest priority in the
// idle class. We need this to have good performance.
//
------------------------------------------------------------------------------
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