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-rw-r--r--ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibReplaceEntry.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibReplaceEntry.S b/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibReplaceEntry.S
index 887439bc04..1f0d805792 100644
--- a/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibReplaceEntry.S
+++ b/ArmPkg/Library/ArmMmuLib/AArch64/ArmMmuLibReplaceEntry.S
@@ -65,6 +65,7 @@
// write updated entry
str x1, [x0]
dsb nshst
+ isb
.L2_\@:
.endm