Add mutex when change AP state.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <chen.fan.f...@cn.fujitsu.com>
---
EmulatorPkg/CpuRuntimeDxe/MpService.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/EmulatorPkg/CpuRuntimeDxe/MpService.c
b/EmulatorPkg/CpuRuntimeDxe/MpService.c
index 792d0e4..9d67b86 100644
--- a/EmulatorPkg/CpuRuntimeDxe/MpService.c
+++ b/EmulatorPkg/CpuRuntimeDxe/MpService.c
@@ -512,11 +512,16 @@ CpuMpServicesStartupAllAps (
if (SingleThread) {
Status = GetNextBlockedNumber (&NextNumber);
if (!EFI_ERROR (Status)) {
+ gThread->MutexLock
(&gMPSystem.ProcessorData[NextNumber].StateLock);
gMPSystem.ProcessorData[NextNumber].State = CPU_STATE_READY;
+ gThread->MutexUnlock
(&gMPSystem.ProcessorData[NextNumber].StateLock);
}
}
+ gThread->MutexLock (ProcessorData->StateLock);
ProcessorData->State = CPU_STATE_IDLE;
+ gThread->MutexUnlock (ProcessorData->StateLock);
+
break;
default:
--
1.9.3
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