diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c
index 383fefe..d947473 100644
--- a/arch/arc/kernel/smp.c
+++ b/arch/arc/kernel/smp.c
@@ -274,7 +274,7 @@ static void ipi_send_msg_one(int cpu, enum ipi_msg_type msg)
 	 * and read back old value
 	 */
 	do {
-		new = old = READ_ONCE(*ipi_data_ptr);
+		new = old = *ipi_data_ptr;
 		new |= 1U << msg;
 	} while (cmpxchg(ipi_data_ptr, old, new) != old);