diff --git a/Makefile b/Makefile
index 9fce8b91c15f..c812467bfe11 100644
--- a/Makefile
+++ b/Makefile
@@ -938,7 +938,6 @@ export mod_compress_cmd
# This shall be used by the dracut(8) tool while creating an initramfs image.
#
INITRD_COMPRESS-y := gzip
-INITRD_COMPRESS-$(CONFIG_RD_BZIP2) := bzip2
INITRD_COMPRESS-$(CONFIG_RD_LZMA) := lzma
INITRD_COMPRESS-$(CONFIG_RD_XZ) := xz
INITRD_COMPRESS-$(CONFIG_RD_LZO) := lzo
diff --git a/init/Kconfig b/init/Kconfig
index ffa5ae4abc88..412ba93673fa 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -119,9 +119,6 @@ config BUILD_SALT
config HAVE_KERNEL_GZIP
bool
-config HAVE_KERNEL_BZIP2
- bool
-
config HAVE_KERNEL_LZMA
bool
@@ -143,7 +140,7 @@ config HAVE_KERNEL_UNCOMPRESSED
choice
prompt "Kernel compression mode"
default KERNEL_GZIP
- depends on HAVE_KERNEL_GZIP || HAVE_KERNEL_BZIP2 || HAVE_KERNEL_LZMA || HAVE_KERNEL_XZ || HAVE_KERNEL_LZO || HAVE_KERNEL_LZ4 || HAVE_KERNEL_ZSTD || HAVE_KERNEL_UNCOMPRESSED
+ depends on HAVE_KERNEL_GZIP || HAVE_KERNEL_LZMA || HAVE_KERNEL_XZ || HAVE_KERNEL_LZO || HAVE_KERNEL_LZ4 || HAVE_KERNEL_ZSTD || HAVE_KERNEL_UNCOMPRESSED
help
The linux kernel is a kind of self-extracting executable.
Several compression algorithms are available, which differ
@@ -151,7 +148,7 @@ choice
Compression speed is only relevant when building a kernel.
Decompression speed is relevant at each boot.
- If you have any problems with bzip2 or lzma compressed
+ If you have any problems with lzma compressed
kernels, mail me (Alain Knaff) <alain@knaff.lu>. (An older
version of this functionality (bzip2 only), for 2.4, was
supplied by Christian Ludwig)
@@ -169,16 +166,6 @@ config KERNEL_GZIP
The old and tried gzip compression. It provides a good balance
between compression ratio and decompression speed.
-config KERNEL_BZIP2
- bool "Bzip2"
- depends on HAVE_KERNEL_BZIP2
- help
- Its compression ratio and speed is intermediate.
- Decompression speed is slowest among the choices. The kernel
- size is about 10% smaller with bzip2, in comparison to gzip.
- Bzip2 uses a large amount of memory. For modern kernels you
- will need at least 8MB RAM or more for booting.
-
config KERNEL_LZMA
bool "LZMA"
depends on HAVE_KERNEL_LZMA
diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c
index 32fb049d18f9..5f26365ea8b1 100644
--- a/init/do_mounts_rd.c
+++ b/init/do_mounts_rd.c
@@ -48,7 +48,6 @@ static int __init crd_load(int in_fd, int out_fd, decompress_fn deco);
* cramfs
* squashfs
* gzip
- * bzip2
* lzma
* xz
* lzo
diff --git a/kernel/configs/tiny.config b/kernel/configs/tiny.config
index 7fa0c4ae6394..c5480f87fae3 100644
--- a/kernel/configs/tiny.config
+++ b/kernel/configs/tiny.config
@@ -1,7 +1,6 @@
# CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE is not set
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
# CONFIG_KERNEL_GZIP is not set
-# CONFIG_KERNEL_BZIP2 is not set
# CONFIG_KERNEL_LZMA is not set
CONFIG_KERNEL_XZ=y
# CONFIG_KERNEL_LZO is not set
diff --git a/usr/Kconfig b/usr/Kconfig
index 5ff529b75ee1..05b6be569041 100644
--- a/usr/Kconfig
+++ b/usr/Kconfig
@@ -61,15 +61,6 @@ config RD_GZIP
Support loading of a gzip encoded initial ramdisk or cpio buffer.
If unsure, say Y.
-config RD_BZIP2
- bool "Support initial ramdisk/ramfs compressed using bzip2"
- default y
- depends on BLK_DEV_INITRD
- select DECOMPRESS_BZIP2
- help
- Support loading of a bzip2 encoded initial ramdisk or cpio buffer
- If unsure, say N.
-
config RD_LZMA
bool "Support initial ramdisk/ramfs compressed using LZMA"
default y
@@ -161,19 +152,6 @@ config INITRAMFS_COMPRESSION_GZIP
supported by your build system as the gzip tool is present by default
on most distros.
-config INITRAMFS_COMPRESSION_BZIP2
- bool "Bzip2"
- depends on RD_BZIP2
- help
- It's compression ratio and speed is intermediate. Decompression speed
- is slowest among the choices. The initramfs size is about 10% smaller
- with bzip2, in comparison to gzip. Bzip2 uses a large amount of
- memory. For modern kernels you will need at least 8MB RAM or more for
- booting.
-
- If you choose this, keep in mind that you need to have the bzip2 tool
- available to be able to compress the initram.
-
config INITRAMFS_COMPRESSION_LZMA
bool "LZMA"
depends on RD_LZMA
@@ -241,7 +219,6 @@ config INITRAMFS_COMPRESSION
string
default "" if INITRAMFS_COMPRESSION_NONE
default ".gz" if INITRAMFS_COMPRESSION_GZIP
- default ".bz2" if INITRAMFS_COMPRESSION_BZIP2
default ".lzma" if INITRAMFS_COMPRESSION_LZMA
default ".xz" if INITRAMFS_COMPRESSION_XZ
default ".lzo" if INITRAMFS_COMPRESSION_LZO
@@ -252,6 +229,5 @@ config INITRAMFS_COMPRESSION
default ".lzo" if RD_LZO
default ".xz" if RD_XZ
default ".lzma" if RD_LZMA
- default ".bz2" if RD_BZIP2
default ".zst" if RD_ZSTD
default ""
--
2.19.1