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-rw-r--r--UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
index c912e9f0e3..7326c13d01 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
@@ -264,6 +264,7 @@ extern EFI_SMM_CPU_PROTOCOL mSmmCpu;
extern EFI_MM_MP_PROTOCOL mSmmMp;
extern BOOLEAN m5LevelPagingNeeded;
extern PAGING_MODE mPagingMode;
+extern UINTN mSmmShadowStackSize;
///
/// The mode of the CPU at the time an SMI occurs