Commit fd184e1a authored by Vasily Gorbik's avatar Vasily Gorbik Committed by Martin Schwidefsky
Browse files

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: default avatarVasily Gorbik <gor@linux.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 1e941d39

arch/s390/boot/Makefile

+2 −2
Original line number Diff line number Diff line
@@ -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

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