diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h
index db1aeacd4cd99d971838f2eee10e679456c96035..0ccf51afde31a600cb7efbb3008f8ec17f4ed7dd 100644
--- a/arch/arm64/include/asm/insn.h
+++ b/arch/arm64/include/asm/insn.h
@@ -347,6 +347,7 @@ __AARCH64_INSN_FUNCS(ldrsw_lit,	0xFF000000, 0x98000000)
 __AARCH64_INSN_FUNCS(exclusive,	0x3F800000, 0x08000000)
 __AARCH64_INSN_FUNCS(load_ex,	0x3F400000, 0x08400000)
 __AARCH64_INSN_FUNCS(store_ex,	0x3F400000, 0x08000000)
+__AARCH64_INSN_FUNCS(mops,	0x3B200C00, 0x19000400)
 __AARCH64_INSN_FUNCS(stp,	0x7FC00000, 0x29000000)
 __AARCH64_INSN_FUNCS(ldp,	0x7FC00000, 0x29400000)
 __AARCH64_INSN_FUNCS(stp_post,	0x7FC00000, 0x28800000)
diff --git a/arch/arm64/kernel/probes/decode-insn.c b/arch/arm64/kernel/probes/decode-insn.c
index 3496d6169e59b26ac89e4956f949f0b62661fad4..42b69936cee34b02989159e22ca7623ed4622436 100644
--- a/arch/arm64/kernel/probes/decode-insn.c
+++ b/arch/arm64/kernel/probes/decode-insn.c
@@ -58,10 +58,13 @@ static bool __kprobes aarch64_insn_is_steppable(u32 insn)
 	 * Instructions which load PC relative literals are not going to work
 	 * when executed from an XOL slot. Instructions doing an exclusive
 	 * load/store are not going to complete successfully when single-step
-	 * exception handling happens in the middle of the sequence.
+	 * exception handling happens in the middle of the sequence. Memory
+	 * copy/set instructions require that all three instructions be placed
+	 * consecutively in memory.
 	 */
 	if (aarch64_insn_uses_literal(insn) ||
-	    aarch64_insn_is_exclusive(insn))
+	    aarch64_insn_is_exclusive(insn) ||
+	    aarch64_insn_is_mops(insn))
 		return false;
 
 	return true;