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authorVasily Gorbik <gor@linux.ibm.com>2019-04-01 19:10:56 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2019-04-10 17:47:12 +0200
commitfd184e1a8b650159ca553c53dd0fee75df799b4a (patch)
treee44a40d07c09cdf8e7f3a10ec6f5ccabebb79770 /arch
parents390: move ipl block to .boot.preserved.data section (diff)
downloadlinux-fd184e1a8b650159ca553c53dd0fee75df799b4a.tar.xz
linux-fd184e1a8b650159ca553c53dd0fee75df799b4a.zip
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 <gor@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/boot/Makefile4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/boot/Makefile b/arch/s390/boot/Makefile
index c844eaf24ed7..458d18c44c67 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