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-rw-r--r--UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
index 6298571e29..28f8e8e133 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
@@ -121,7 +121,7 @@ GetProtectedModeCS (
GdtEntry = (IA32_SEGMENT_DESCRIPTOR *) GdtrDesc.Base;
for (Index = 0; Index < GdtEntryCount; Index++) {
if (GdtEntry->Bits.L == 0) {
- if (GdtEntry->Bits.Type > 8 && GdtEntry->Bits.L == 0) {
+ if (GdtEntry->Bits.Type > 8 && GdtEntry->Bits.DB == 1) {
break;
}
}