Revision: 16185
http://sourceforge.net/p/edk2/code/16185
Author: jljusten
Date: 2014-09-28 06:22:03 +0000 (Sun, 28 Sep 2014)
Log Message:
-----------
EmulatorPkg/MpService: Check Processor State when Set Procedure
Due to the state of processor could be set blocked by SingleThread
parameter, so we ought to add a READY state check, only let
the processor in READY state to invoke procedure.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Modified Paths:
--------------
trunk/edk2/EmulatorPkg/CpuRuntimeDxe/MpService.c
Modified: trunk/edk2/EmulatorPkg/CpuRuntimeDxe/MpService.c
===================================================================
--- trunk/edk2/EmulatorPkg/CpuRuntimeDxe/MpService.c 2014-09-28 06:21:55 UTC
(rev 16184)
+++ trunk/edk2/EmulatorPkg/CpuRuntimeDxe/MpService.c 2014-09-28 06:22:03 UTC
(rev 16185)
@@ -465,7 +465,13 @@
continue;
}
- SetApProcedure (ProcessorData, Procedure, ProcedureArgument);
+ gThread->MutexLock (ProcessorData->StateLock);
+ ProcessorState = ProcessorData->State;
+ gThread->MutexUnlock (ProcessorData->StateLock);
+
+ if (ProcessorState == CPU_STATE_READY) {
+ SetApProcedure (ProcessorData, Procedure, ProcedureArgument);
+ }
}
//
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