arm64: text replication: handle aarch64_insn_write_literal_u64()

aarch64_insn_write_literal_u64() was introduced in v6.3-rc1 for
updating ftrace ops pointers in the kernel text. This needs to be
fixed up for kernel text replication, so provide a version that
will update the mapping.

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

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/arm64/include/asm/ktext.h b/arch/arm64/include/asm/ktext.h
index 289e11289c06..2be2b2a9c9eb 100644
--- a/arch/arm64/include/asm/ktext.h
+++ b/arch/arm64/include/asm/ktext.h
@@ -10,6 +10,7 @@
 #ifdef CONFIG_REPLICATE_KTEXT
 
 void ktext_replication_init(void);
+void ktext_replication_write(void *addr, void *data, size_t size);
 void __kprobes ktext_replication_patch(u32 *tp,  __le32 insn);
 void ktext_replication_patch_alternative(__le32 *src, int nr_inst);
 
@@ -19,6 +20,10 @@ static inline void ktext_replication_init(void)
 {
 }
 
+static inline void ktext_replication_write(void *addr, void *data, size_t size)
+{
+}
+
 static inline void __kprobes ktext_replication_patch(u32 *tp,  __le32 insn)
 {
 }