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Diffstat (limited to 'UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c')
-rw-r--r--UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
index 8b3bb343ce..0858d8f4d7 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
@@ -485,6 +485,8 @@ SmmRestoreCpu (
DEBUG ((EFI_D_INFO, "SmmRestoreCpu()\n"));
+ InitializeSpinLock (mMemoryMappedLock);
+
//
// See if there is enough context to resume PEI Phase
//