11 files changed, 74 insertions, 101 deletions
diff --git a/arch/s390/boot/.gitignore b/arch/s390/boot/.gitignore
index b265bfede188..f56591bc0897 100644
--- a/arch/s390/boot/.gitignore
+++ b/arch/s390/boot/.gitignore
@@ -2,3 +2,6 @@
 image
 bzImage
 section_cmp.*
+vmlinux
+vmlinux.lds
+vmlinux.syms
diff --git a/arch/s390/boot/Makefile b/arch/s390/boot/Makefile
index 0ba646899131..14d66501e4a9 100644
--- a/arch/s390/boot/Makefile
+++ b/arch/s390/boot/Makefile
@@ -41,10 +41,17 @@ obj-y	+= version.o pgm_check_info.o ctype.o
 obj-$(findstring y, $(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) $(CONFIG_PGSTE))	+= uv.o
 obj-$(CONFIG_RELOCATABLE)	+= machine_kexec_reloc.o
 obj-$(CONFIG_RANDOMIZE_BASE)	+= kaslr.o
-targets	:= bzImage startup.a section_cmp.boot.data section_cmp.boot.preserved.data $(obj-y)
-subdir-	:= compressed
+obj-y	+= $(if $(CONFIG_KERNEL_UNCOMPRESSED),,decompressor.o) info.o
+obj-$(CONFIG_KERNEL_ZSTD) += clz_ctz.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)
 
 OBJECTS := $(addprefix $(obj)/,$(obj-y))
+OBJECTS_ALL := $(addprefix $(obj)/,$(obj-all))
 
 quiet_cmd_section_cmp = SECTCMP $*
 define cmd_section_cmp
@@ -59,14 +66,67 @@ define cmd_section_cmp
 	touch $@
 endef
 
-$(obj)/bzImage: $(obj)/compressed/vmlinux $(obj)/section_cmp.boot.data $(obj)/section_cmp.boot.preserved.data FORCE
+$(obj)/bzImage: $(obj)/vmlinux $(obj)/section_cmp.boot.data $(obj)/section_cmp.boot.preserved.data FORCE
 	$(call if_changed,objcopy)
 
-$(obj)/section_cmp%: vmlinux $(obj)/compressed/vmlinux FORCE
+$(obj)/section_cmp%: vmlinux $(obj)/vmlinux FORCE
 	$(call if_changed,section_cmp)
 
-$(obj)/compressed/vmlinux: $(obj)/startup.a FORCE
-	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
+LDFLAGS_vmlinux := --oformat $(LD_BFD) -e startup --build-id=sha1 -T
+$(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS_ALL) FORCE
+	$(call if_changed,ld)
+
+LDFLAGS_vmlinux.syms := --oformat $(LD_BFD) -e startup -T
+$(obj)/vmlinux.syms: $(obj)/vmlinux.lds $(OBJECTS) FORCE
+	$(call if_changed,ld)
+
+quiet_cmd_dumpsyms = DUMPSYMS $<
+define cmd_dumpsyms
+	$(NM) -n -S --format=bsd "$<" | sed -nE 's/^0*([0-9a-fA-F]+) 0*([0-9a-fA-F]+) [tT] ([^ ]*)$$/\1 \2 \3/p' | tr '\n' '\0' > "$@"
+endef
+
+$(obj)/syms.bin: $(obj)/vmlinux.syms FORCE
+	$(call if_changed,dumpsyms)
+
+OBJCOPYFLAGS_syms.o := -I binary -O elf64-s390 -B s390:64-bit --rename-section .data=.decompressor.syms
+$(obj)/syms.o: $(obj)/syms.bin FORCE
+	$(call if_changed,objcopy)
+
+OBJCOPYFLAGS_info.bin := -O binary --only-section=.vmlinux.info --set-section-flags .vmlinux.info=load
+$(obj)/info.bin: vmlinux FORCE
+	$(call if_changed,objcopy)
+
+OBJCOPYFLAGS_info.o := -I binary -O elf64-s390 -B s390:64-bit --rename-section .data=.vmlinux.info
+$(obj)/info.o: $(obj)/info.bin FORCE
+	$(call if_changed,objcopy)
+
+OBJCOPYFLAGS_vmlinux.bin := -O binary --remove-section=.comment --remove-section=.vmlinux.info -S
+$(obj)/vmlinux.bin: vmlinux FORCE
+	$(call if_changed,objcopy)
+
+suffix-$(CONFIG_KERNEL_GZIP)  := .gz
+suffix-$(CONFIG_KERNEL_BZIP2) := .bz2
+suffix-$(CONFIG_KERNEL_LZ4)  := .lz4
+suffix-$(CONFIG_KERNEL_LZMA)  := .lzma
+suffix-$(CONFIG_KERNEL_LZO)  := .lzo
+suffix-$(CONFIG_KERNEL_XZ)  := .xz
+suffix-$(CONFIG_KERNEL_ZSTD)  := .zst
 
-$(obj)/startup.a: $(OBJECTS) FORCE
-	$(call if_changed,ar)
+$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
+	$(call if_changed,gzip)
+$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
+	$(call if_changed,bzip2_with_size)
+$(obj)/vmlinux.bin.lz4: $(obj)/vmlinux.bin FORCE
+	$(call if_changed,lz4_with_size)
+$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
+	$(call if_changed,lzma_with_size)
+$(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
+	$(call if_changed,lzo_with_size)
+$(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE
+	$(call if_changed,xzkern_with_size)
+$(obj)/vmlinux.bin.zst: $(obj)/vmlinux.bin FORCE
+	$(call if_changed,zstd22_with_size)
+
+OBJCOPYFLAGS_piggy.o := -I binary -O elf64-s390 -B s390:64-bit --rename-section .data=.vmlinux.bin.compressed
+$(obj)/piggy.o: $(obj)/vmlinux.bin$(suffix-y) FORCE
+	$(call if_changed,objcopy)
diff --git a/arch/s390/boot/compressed/clz_ctz.c b/arch/s390/boot/clz_ctz.c
index c3ebf248596b..c3ebf248596b 100644
--- a/arch/s390/boot/compressed/clz_ctz.c
+++ b/arch/s390/boot/clz_ctz.c
diff --git a/arch/s390/boot/compressed/.gitignore b/arch/s390/boot/compressed/.gitignore
deleted file mode 100644
index 01d93832cf4a..000000000000
--- a/arch/s390/boot/compressed/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-vmlinux
-vmlinux.lds
-vmlinux.syms
diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile
deleted file mode 100644
index d04e0e7de0b3..000000000000
--- a/arch/s390/boot/compressed/Makefile
+++ /dev/null
@@ -1,86 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-#
-# linux/arch/s390/boot/compressed/Makefile
-#
-# create a compressed vmlinux image from the original vmlinux
-#
-
-KCOV_INSTRUMENT := n
-GCOV_PROFILE := n
-UBSAN_SANITIZE := n
-KASAN_SANITIZE := n
-KCSAN_SANITIZE := n
-
-obj-y	:= $(if $(CONFIG_KERNEL_UNCOMPRESSED),,decompressor.o) info.o
-obj-$(CONFIG_KERNEL_ZSTD) += clz_ctz.o
-obj-all := $(obj-y) piggy.o syms.o
-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
-targets += info.bin syms.bin vmlinux.syms $(obj-all)
-
-KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR)
-KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR)
-OBJCOPYFLAGS :=
-
-OBJECTS := $(addprefix $(obj)/,$(obj-y))
-OBJECTS_ALL := $(addprefix $(obj)/,$(obj-all))
-
-LDFLAGS_vmlinux := --oformat $(LD_BFD) -e startup --build-id=sha1 -T
-$(obj)/vmlinux: $(obj)/vmlinux.lds $(objtree)/arch/s390/boot/startup.a $(OBJECTS_ALL) FORCE
-	$(call if_changed,ld)
-
-LDFLAGS_vmlinux.syms := --oformat $(LD_BFD) -e startup -T
-$(obj)/vmlinux.syms: $(obj)/vmlinux.lds $(objtree)/arch/s390/boot/startup.a $(OBJECTS) FORCE
-	$(call if_changed,ld)
-
-quiet_cmd_dumpsyms = DUMPSYMS $<
-define cmd_dumpsyms
-	$(NM) -n -S --format=bsd "$<" | sed -nE 's/^0*([0-9a-fA-F]+) 0*([0-9a-fA-F]+) [tT] ([^ ]*)$$/\1 \2 \3/p' | tr '\n' '\0' > "$@"
-endef
-
-$(obj)/syms.bin: $(obj)/vmlinux.syms FORCE
-	$(call if_changed,dumpsyms)
-
-OBJCOPYFLAGS_syms.o := -I binary -O elf64-s390 -B s390:64-bit --rename-section .data=.decompressor.syms
-$(obj)/syms.o: $(obj)/syms.bin FORCE
-	$(call if_changed,objcopy)
-
-OBJCOPYFLAGS_info.bin := -O binary --only-section=.vmlinux.info --set-section-flags .vmlinux.info=load
-$(obj)/info.bin: vmlinux FORCE
-	$(call if_changed,objcopy)
-
-OBJCOPYFLAGS_info.o := -I binary -O elf64-s390 -B s390:64-bit --rename-section .data=.vmlinux.info
-$(obj)/info.o: $(obj)/info.bin FORCE
-	$(call if_changed,objcopy)
-
-OBJCOPYFLAGS_vmlinux.bin := -O binary --remove-section=.comment --remove-section=.vmlinux.info -S
-$(obj)/vmlinux.bin: vmlinux FORCE
-	$(call if_changed,objcopy)
-
-suffix-$(CONFIG_KERNEL_GZIP)  := .gz
-suffix-$(CONFIG_KERNEL_BZIP2) := .bz2
-suffix-$(CONFIG_KERNEL_LZ4)  := .lz4
-suffix-$(CONFIG_KERNEL_LZMA)  := .lzma
-suffix-$(CONFIG_KERNEL_LZO)  := .lzo
-suffix-$(CONFIG_KERNEL_XZ)  := .xz
-suffix-$(CONFIG_KERNEL_ZSTD)  := .zst
-
-$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
-	$(call if_changed,gzip)
-$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
-	$(call if_changed,bzip2_with_size)
-$(obj)/vmlinux.bin.lz4: $(obj)/vmlinux.bin FORCE
-	$(call if_changed,lz4_with_size)
-$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
-	$(call if_changed,lzma_with_size)
-$(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
-	$(call if_changed,lzo_with_size)
-$(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE
-	$(call if_changed,xzkern_with_size)
-$(obj)/vmlinux.bin.zst: $(obj)/vmlinux.bin FORCE
-	$(call if_changed,zstd22_with_size)
-
-OBJCOPYFLAGS_piggy.o := -I binary -O elf64-s390 -B s390:64-bit --rename-section .data=.vmlinux.bin.compressed
-$(obj)/piggy.o: $(obj)/vmlinux.bin$(suffix-y) FORCE
-	$(call if_changed,objcopy)
diff --git a/arch/s390/boot/compressed/decompressor.c b/arch/s390/boot/decompressor.c
index e27c2140d620..e27c2140d620 100644
--- a/arch/s390/boot/compressed/decompressor.c
+++ b/arch/s390/boot/decompressor.c
diff --git a/arch/s390/boot/compressed/decompressor.h b/arch/s390/boot/decompressor.h
index f75cc31a77dd..f75cc31a77dd 100644
--- a/arch/s390/boot/compressed/decompressor.h
+++ b/arch/s390/boot/decompressor.h
diff --git a/arch/s390/boot/kaslr.c b/arch/s390/boot/kaslr.c
index d8984462071f..e8d74d4f62aa 100644
--- a/arch/s390/boot/kaslr.c
+++ b/arch/s390/boot/kaslr.c
@@ -8,7 +8,7 @@
 #include <asm/timex.h>
 #include <asm/sclp.h>
 #include <asm/kasan.h>
-#include "compressed/decompressor.h"
+#include "decompressor.h"
 #include "boot.h"
 
 #define PRNG_MODE_TDES	 1
diff --git a/arch/s390/boot/mem_detect.c b/arch/s390/boot/mem_detect.c
index 2f949cd9076b..7fa1a32ea0f3 100644
--- a/arch/s390/boot/mem_detect.c
+++ b/arch/s390/boot/mem_detect.c
@@ -7,7 +7,7 @@
 #include <asm/sections.h>
 #include <asm/mem_detect.h>
 #include <asm/sparsemem.h>
-#include "compressed/decompressor.h"
+#include "decompressor.h"
 #include "boot.h"
 
 struct mem_detect_info __bootdata(mem_detect);
diff --git a/arch/s390/boot/startup.c b/arch/s390/boot/startup.c
index 1aa11a8f57dd..863e6bcaa5a1 100644
--- a/arch/s390/boot/startup.c
+++ b/arch/s390/boot/startup.c
@@ -10,7 +10,7 @@
 #include <asm/sclp.h>
 #include <asm/diag.h>
 #include <asm/uv.h>
-#include "compressed/decompressor.h"
+#include "decompressor.h"
 #include "boot.h"
 #include "uv.h"
 
diff --git a/arch/s390/boot/compressed/vmlinux.lds.S b/arch/s390/boot/vmlinux.lds.S
index 918e05137d4c..918e05137d4c 100644
--- a/arch/s390/boot/compressed/vmlinux.lds.S
+++ b/arch/s390/boot/vmlinux.lds.S