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-rw-r--r--arch/s390/boot/Makefile45
1 files changed, 14 insertions, 31 deletions
diff --git a/arch/s390/boot/Makefile b/arch/s390/boot/Makefile
index 294f08a8811a..bee49626be4b 100644
--- a/arch/s390/boot/Makefile
+++ b/arch/s390/boot/Makefile
@@ -3,55 +3,42 @@
# Makefile for the linux s390-specific parts of the memory manager.
#
+# Tooling runtimes are unavailable and cannot be linked for early boot code
KCOV_INSTRUMENT := n
GCOV_PROFILE := n
UBSAN_SANITIZE := n
KASAN_SANITIZE := n
KCSAN_SANITIZE := n
-
-KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR)
-KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR)
+KMSAN_SANITIZE := n
#
-# Use minimum architecture for als.c to be able to print an error
+# Use minimum architecture level so it is possible to print an error
# message if the kernel is started on a machine which is too old
#
-ifndef CONFIG_CC_IS_CLANG
-CC_FLAGS_MARCH_MINIMUM := -march=z900
-else
CC_FLAGS_MARCH_MINIMUM := -march=z10
-endif
-
-ifneq ($(CC_FLAGS_MARCH),$(CC_FLAGS_MARCH_MINIMUM))
-AFLAGS_REMOVE_head.o += $(CC_FLAGS_MARCH)
-AFLAGS_head.o += $(CC_FLAGS_MARCH_MINIMUM)
-AFLAGS_REMOVE_mem.o += $(CC_FLAGS_MARCH)
-AFLAGS_mem.o += $(CC_FLAGS_MARCH_MINIMUM)
-CFLAGS_REMOVE_als.o += $(CC_FLAGS_MARCH)
-CFLAGS_als.o += $(CC_FLAGS_MARCH_MINIMUM)
-CFLAGS_REMOVE_sclp_early_core.o += $(CC_FLAGS_MARCH)
-CFLAGS_sclp_early_core.o += $(CC_FLAGS_MARCH_MINIMUM)
-endif
+
+KBUILD_AFLAGS := $(filter-out $(CC_FLAGS_MARCH),$(KBUILD_AFLAGS_DECOMPRESSOR))
+KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_MARCH),$(KBUILD_CFLAGS_DECOMPRESSOR))
+KBUILD_AFLAGS += $(CC_FLAGS_MARCH_MINIMUM)
+KBUILD_CFLAGS += $(CC_FLAGS_MARCH_MINIMUM)
CFLAGS_sclp_early_core.o += -I$(srctree)/drivers/s390/char
obj-y := head.o als.o startup.o physmem_info.o ipl_parm.o ipl_report.o vmem.o
obj-y += string.o ebcdic.o sclp_early_core.o mem.o ipl_vmparm.o cmdline.o
-obj-y += version.o pgm_check_info.o ctype.o ipl_data.o
-obj-y += $(if $(CONFIG_PIE_BUILD),machine_kexec_reloc.o,relocs.o)
-obj-$(findstring y, $(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) $(CONFIG_PGSTE)) += uv.o
+obj-y += version.o pgm_check.o ctype.o ipl_data.o relocs.o alternative.o
+obj-y += uv.o printk.o
obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o
obj-y += $(if $(CONFIG_KERNEL_UNCOMPRESSED),,decompressor.o) info.o
obj-$(CONFIG_KERNEL_ZSTD) += clz_ctz.o
+obj-$(CONFIG_KMSAN) += kmsan.o
obj-all := $(obj-y) piggy.o syms.o
targets := bzImage section_cmp.boot.data section_cmp.boot.preserved.data $(obj-y)
targets += vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2
targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4
targets += vmlinux.bin.zst info.bin syms.bin vmlinux.syms $(obj-all)
-ifndef CONFIG_PIE_BUILD
targets += relocs.S
-endif
OBJECTS := $(addprefix $(obj)/,$(obj-y))
OBJECTS_ALL := $(addprefix $(obj)/,$(obj-all))
@@ -110,13 +97,9 @@ OBJCOPYFLAGS_vmlinux.bin := -O binary --remove-section=.comment --remove-section
$(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
-ifndef CONFIG_PIE_BUILD
-CMD_RELOCS=arch/s390/tools/relocs
-quiet_cmd_relocs = RELOCS $@
- cmd_relocs = $(CMD_RELOCS) $< > $@
-$(obj)/relocs.S: vmlinux FORCE
- $(call if_changed,relocs)
-endif
+# relocs.S is created by the vmlinux postlink step.
+$(obj)/relocs.S: vmlinux
+ @true
suffix-$(CONFIG_KERNEL_GZIP) := .gz
suffix-$(CONFIG_KERNEL_BZIP2) := .bz2