s390/extable: move extable related functions to mm/extable.c

Just like arm64, riscv, and x86 move extable related functions to
mm/extable.c. This is currently only one function, but this will
change with subsequent changes.

Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/arch/s390/mm/extable.c b/arch/s390/mm/extable.c
new file mode 100644
index 000000000000..a4eb3d8aae7b
--- /dev/null
+++ b/arch/s390/mm/extable.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/extable.h>
+#include <asm/extable.h>
+
+const struct exception_table_entry *s390_search_extables(unsigned long addr)
+{
+	const struct exception_table_entry *fixup;
+	size_t num;
+
+	fixup = search_exception_tables(addr);
+	if (fixup)
+		return fixup;
+	num = __stop_amode31_ex_table - __start_amode31_ex_table;
+	return search_extable(__start_amode31_ex_table, num, addr);
+}