diff --git a/arch/s390/include/asm/softirq_stack.h b/arch/s390/include/asm/softirq_stack.h
new file mode 100644
index 0000000000000000000000000000000000000000..5976fd613cd2873c3b6f8b1adc00396ebe441ae4
--- /dev/null
+++ b/arch/s390/include/asm/softirq_stack.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef __ASM_S390_SOFTIRQ_STACK_H
+#define __ASM_S390_SOFTIRQ_STACK_H
+
+#include <asm/lowcore.h>
+#include <asm/stacktrace.h>
+
+static inline void do_softirq_own_stack(void)
+{
+	CALL_ON_STACK(__do_softirq, S390_lowcore.async_stack, 0);
+}
+
+#endif /* __ASM_S390_SOFTIRQ_STACK_H */
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index a03d9f54d36f7397aaafaf8b62d8de447d14c5e9..b55af916fbd5bbabc3f3bcebd145c5c7e9e653f4 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -265,14 +265,6 @@ unsigned int arch_dynirq_lower_bound(unsigned int from)
 	return from < NR_IRQS_BASE ? NR_IRQS_BASE : from;
 }
 
-/*
- * Switch to the asynchronous interrupt stack for softirq execution.
- */
-void do_softirq_own_stack(void)
-{
-	CALL_ON_STACK(__do_softirq, S390_lowcore.async_stack, 0);
-}
-
 /*
  * ext_int_hash[index] is the list head for all external interrupts that hash
  * to this index.