[PATCH 07/17] s390: Remove support for BZIP2 and LZMA compressed kernel

From: Adam Borowski
Date: Fri Nov 09 2018 - 14:03:33 EST


Made redundant by newer choices.

Signed-off-by: Adam Borowski <kilobyte@xxxxxxxxxx>
---
arch/s390/Kconfig | 2 --
arch/s390/boot/compressed/Makefile | 8 +-------
arch/s390/boot/compressed/decompressor.c | 8 --------
3 files changed, 1 insertion(+), 17 deletions(-)

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 5173366af8f3..96adb6127246 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -150,10 +150,8 @@ config S390
select HAVE_FUNCTION_TRACER
select HAVE_FUTEX_CMPXCHG if FUTEX
select HAVE_GCC_PLUGINS
- select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_LZ4
- select HAVE_KERNEL_LZMA
select HAVE_KERNEL_LZO
select HAVE_KERNEL_UNCOMPRESSED
select HAVE_KERNEL_XZ
diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile
index 593039620487..ddd9d44fb7a8 100644
--- a/arch/s390/boot/compressed/Makefile
+++ b/arch/s390/boot/compressed/Makefile
@@ -11,7 +11,7 @@ UBSAN_SANITIZE := n
KASAN_SANITIZE := n

obj-y := $(if $(CONFIG_KERNEL_UNCOMPRESSED),,decompressor.o) piggy.o info.o
-targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2
+targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz
targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4
targets += info.bin $(obj-y)

@@ -40,20 +40,14 @@ $(obj)/vmlinux.bin: vmlinux FORCE
vmlinux.bin.all-y := $(obj)/vmlinux.bin

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

$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y)
$(call if_changed,gzip)
-$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y)
- $(call if_changed,bzip2)
$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y)
$(call if_changed,lz4)
-$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y)
- $(call if_changed,lzma)
$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y)
$(call if_changed,lzo)
$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y)
diff --git a/arch/s390/boot/compressed/decompressor.c b/arch/s390/boot/compressed/decompressor.c
index 45046630c56a..3995a6fe60f5 100644
--- a/arch/s390/boot/compressed/decompressor.c
+++ b/arch/s390/boot/compressed/decompressor.c
@@ -42,18 +42,10 @@ static unsigned long free_mem_end_ptr = (unsigned long) _end + HEAP_SIZE;
#include "../../../../lib/decompress_inflate.c"
#endif

-#ifdef CONFIG_KERNEL_BZIP2
-#include "../../../../lib/decompress_bunzip2.c"
-#endif
-
#ifdef CONFIG_KERNEL_LZ4
#include "../../../../lib/decompress_unlz4.c"
#endif

-#ifdef CONFIG_KERNEL_LZMA
-#include "../../../../lib/decompress_unlzma.c"
-#endif
-
#ifdef CONFIG_KERNEL_LZO
#include "../../../../lib/decompress_unlzo.c"
#endif
--
2.19.1