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-rw-r--r--UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c
index aff7ad600c..1746f4f07f 100644
--- a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c
+++ b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c
@@ -1071,10 +1071,12 @@ CpuFeaturesDetect (
CpuInitDataInitialize ();
- //
- // Wakeup all APs for data collection.
- //
- StartupAPsWorker (CollectProcessorData, NULL);
+ if (CpuFeaturesData->NumberOfCpus > 1) {
+ //
+ // Wakeup all APs for data collection.
+ //
+ StartupAPsWorker (CollectProcessorData, NULL);
+ }
//
// Collect data on BSP