Commit b46650d5 authored by Vasily Gorbik's avatar Vasily Gorbik
Browse files

s390: make extables read-only 



Currently, exception tables are marked as ro_after_init. However,
since they are sorted during compile time using scripts/sorttable,
they can be moved to RO_DATA using the RO_EXCEPTION_TABLE_ALIGN macro,
which is specifically designed for this purpose.

Suggested-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Reviewed-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent 385bf43c

arch/s390/kernel/vmlinux.lds.S

+2 −1
Original line number Diff line number Diff line
@@ -14,6 +14,8 @@ 
#define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir) \

			   *(.bss..invalid_pg_dir)



#define RO_EXCEPTION_TABLE_ALIGN	16



/* Handle ro_after_init data on our own. */

#define RO_AFTER_INIT_DATA
@@ -66,7 +68,6 @@ SECTIONS 
		 *(.data..ro_after_init)

		JUMP_TABLE_DATA

	} :data

	EXCEPTION_TABLE(16)

	. = ALIGN(PAGE_SIZE);

	__end_ro_after_init = .;