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-rw-r--r--arch/arm64/include/asm/assembler.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index b84e367e2720..6b38f3b3095a 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -104,6 +104,13 @@
.endm
/*
+ * Clear Branch History instruction
+ */
+ .macro clearbhb
+ hint #22
+ .endm
+
+/*
* Sanitise a 64-bit bounded index wrt speculation, returning zero if out
* of bounds.
*/