arm64: text replication: add init function

A simple patch that adds an empty function for kernel text replication
initialisation and hooks it into the initialisation path.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

1 files changed, 20 insertions, 0 deletions

diff --git a/arch/arm64/include/asm/ktext.h b/arch/arm64/include/asm/ktext.h
new file mode 100644
index 000000000000..1a5f7452a3bf
--- /dev/null
+++ b/arch/arm64/include/asm/ktext.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2022, Oracle and/or its affiliates.
+ */
+#ifndef ASM_KTEXT_H
+#define ASM_KTEXT_H
+
+#ifdef CONFIG_REPLICATE_KTEXT
+
+void ktext_replication_init(void);
+
+#else
+
+static inline void ktext_replication_init(void)
+{
+}
+
+#endif
+
+#endif