X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=UefiCpuPkg%2FLibrary%2FMpInitLib%2FMpLib.c;h=1a6cdb678e494a3bd6d466a1a0c634f3491193b3;hp=0c2058a7b0db7e340e2e23a07e844d6fafe444a6;hb=a2ea6894e6ca95e8d7a254593661a79e4b988626;hpb=5f354f6a4a635e4fb5aa4c0be1c7943475037ad6

diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c
index 0c2058a7b0..1a6cdb678e 100644
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c
@@ -1,7 +1,7 @@
 /** @file
   CPU MP Initialize Library common functions.
 
-  Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
@@ -582,6 +582,10 @@ ApWakeupFunction (
   // We need to re-initialize them at here
   //
   ProgramVirtualWireMode ();
+  //
+  // Mask the LINT0 and LINT1 so that AP doesn't enter the system timer interrupt handler.
+  //
+  DisableLvtInterrupts ();
   SyncLocalApicTimerSetting (CpuMpData);
 
   CurrentApicMode = GetApicMode ();