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From: Jeff Fan <jeff.fan@intel.com>
To: edk2-devel@lists.01.org
Cc: Feng Tian <feng.tian@intel.com>, Kinney,
 Michael D <michael.d.kinney@intel.com>, Ruiyu Ni <ruiyu.ni@intel.com>
Date: Mon, 26 Dec 2016 19:21:02 +0800
Message-Id: <20161226112102.25512-7-jeff.fan@intel.com>
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Subject: [PATCH 6/6] UefiCpuPkg/MpInitLib: Set new AP to idle state after switching BSP
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We need to set new AP to idle state if it is expected to be waken up by new BSP
later.

Cc: Feng Tian <feng.tian@intel.com>
Cc: Kinney, Michael D <michael.d.kinney@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
---
 UefiCpuPkg/Library/MpInitLib/MpLib.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c
index 77d855a..78d18b6 100644
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c
@@ -1608,6 +1608,8 @@ SwitchBSPWorker (
   //
   if (!EnableOldBSP) {
     SetApState (&CpuMpData->CpuData[CallerNumber], CpuStateDisabled);
+  } else {
+    SetApState (&CpuMpData->CpuData[CallerNumber], CpuStateIdle);
   }
   //
   // Save new BSP number
-- 
2.9.3.windows.2