UefiCpuPkg/PiSmmCpuDxeSmm: Lock should be acquired

SMM BSP's *busy* state should be acquired. We could use AcquireSpinLock()
instead of AcquireSpinLockOrFail().

Cc: Hao Wu <hao.a.wu@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>

diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
index a1d16b45705259eda1fdb12d31d534049adcd8ee..e03f1e02c015e2fb872c2f83140abf6cffbb0c51 100644 (file)
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
@@ -407,7 +407,7 @@ BSPHandler (
   //\r
   // The BUSY lock is initialized to Acquired state\r
   //\r
-  AcquireSpinLockOrFail (mSmmMpSyncData->CpuData[CpuIndex].Busy);\r
+  AcquireSpinLock (mSmmMpSyncData->CpuData[CpuIndex].Busy);\r
 \r
   //\r
   // Perform the pre tasks\r