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Diffstat (limited to 'UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c')
-rw-r--r--UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c
index b4f8861607..c85e025424 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmCpuMemoryManagement.c
@@ -209,10 +209,12 @@ ConvertPageEntryAttribute (
}
}
if ((Attributes & EFI_MEMORY_XP) != 0) {
- if (IsSet) {
- NewPageEntry |= IA32_PG_NX;
- } else {
- NewPageEntry &= ~IA32_PG_NX;
+ if (mXdSupported) {
+ if (IsSet) {
+ NewPageEntry |= IA32_PG_NX;
+ } else {
+ NewPageEntry &= ~IA32_PG_NX;
+ }
}
}
*PageEntry = NewPageEntry;