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-rw-r--r--arch/s390/kernel/rethook.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/kernel/rethook.h b/arch/s390/kernel/rethook.h
new file mode 100644
index 0000000000..32f069eed3
--- /dev/null
+++ b/arch/s390/kernel/rethook.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __S390_RETHOOK_H
+#define __S390_RETHOOK_H
+
+unsigned long arch_rethook_trampoline_callback(struct pt_regs *regs);
+
+#endif