From 24c70a460b5ff86f38908a5b32f769608cb6f8e6 Mon Sep 17 00:00:00 2001 From: Vasily Gorbik Date: Mon, 1 Apr 2019 19:10:56 +0200 Subject: [PATCH] s390: introduce .boot.preserved.data section compile time validation Same as for .boot.data section make sure that .boot.preserved.data sections of vmlinux and arch/s390/compressed/vmlinux match before producing the compressed kernel image. Symbols presence, order and sizes are cross-checked. Signed-off-by: Vasily Gorbik Signed-off-by: Martin Schwidefsky --- arch/s390/boot/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/s390/boot/Makefile b/arch/s390/boot/Makefile index c844eaf24ed73..458d18c44c67d 100644 --- a/arch/s390/boot/Makefile +++ b/arch/s390/boot/Makefile @@ -30,7 +30,7 @@ CFLAGS_sclp_early_core.o += -I$(srctree)/drivers/s390/char obj-y := head.o als.o startup.o mem_detect.o ipl_parm.o string.o ebcdic.o obj-y += sclp_early_core.o mem.o ipl_vmparm.o cmdline.o ctype.o -targets := bzImage startup.a section_cmp.boot.data $(obj-y) +targets := bzImage startup.a section_cmp.boot.data section_cmp.boot.preserved.data $(obj-y) subdir- := compressed OBJECTS := $(addprefix $(obj)/,$(obj-y)) @@ -48,7 +48,7 @@ define cmd_section_cmp touch $@ endef -$(obj)/bzImage: $(obj)/compressed/vmlinux $(obj)/section_cmp.boot.data FORCE +$(obj)/bzImage: $(obj)/compressed/vmlinux $(obj)/section_cmp.boot.data $(obj)/section_cmp.boot.preserved.data FORCE $(call if_changed,objcopy) $(obj)/section_cmp%: vmlinux $(obj)/compressed/vmlinux FORCE -- 2.39.5