diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 24af13d7bde66..127aee4784331 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -674,6 +674,11 @@ asmlinkage void __sched arm64_preempt_schedule_irq(void)
 int arch_elf_adjust_prot(int prot, const struct arch_elf_state *state,
 			 bool has_interp, bool is_interp)
 {
+	/*
+	 * For dynamically linked executables the interpreter is
+	 * responsible for setting PROT_BTI on everything except
+	 * itself.
+	 */
 	if (is_interp != has_interp)
 		return prot;