if processor number is the one of disabled processor, startupThisAP
should return invalid prameter.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <chen.fan.f...@cn.fujitsu.com>
---
EmulatorPkg/CpuRuntimeDxe/MpService.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/EmulatorPkg/CpuRuntimeDxe/MpService.c
b/EmulatorPkg/CpuRuntimeDxe/MpService.c
index 06c71ec..2ba9655 100644
--- a/EmulatorPkg/CpuRuntimeDxe/MpService.c
+++ b/EmulatorPkg/CpuRuntimeDxe/MpService.c
@@ -694,6 +694,10 @@ CpuMpServicesStartupThisAP (
return EFI_INVALID_PARAMETER;
}
+ if ((gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag &
PROCESSOR_ENABLED_BIT) == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+
gThread->MutexLock(gMPSystem.ProcessorData[ProcessorNumber].StateLock);
if (gMPSystem.ProcessorData[ProcessorNumber].State != CPU_STATE_IDLE) {
gThread->MutexUnlock(gMPSystem.ProcessorData[ProcessorNumber].StateLock);
--
1.9.3
------------------------------------------------------------------------------
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