1 files changed, 0 insertions, 19 deletions
diff --git a/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c b/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c
index 1204abd577..733a9fb7be 100644
--- a/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/DxeMpLib.c
@@ -646,29 +646,10 @@ MpInitLibSwitchBSP (
   )
 {
   EFI_STATUS            Status;
-  BOOLEAN               OldInterruptState;
 
-  //
-  // Before send both BSP and AP to a procedure to exchange their roles,
-  // interrupt must be disabled. This is because during the exchange role
-  // process, 2 CPU may use 1 stack. If interrupt happens, the stack will
-  // be corrupted, since interrupt return address will be pushed to stack
-  // by hardware.
-  //
-  OldInterruptState = SaveAndDisableInterrupts ();
-
-  //
-  // Mask LINT0 & LINT1 for the old BSP
-  //
-  DisableLvtInterrupts ();
 
   Status = SwitchBSPWorker (ProcessorNumber, EnableOldBSP);
 
-  //
-  // Restore interrupt state.
-  //
-  SetInterruptState (OldInterruptState);
-
   return Status;
 }