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#
# Configuration for initramfs
#
config INITRAMFS_SOURCE
string "Initramfs source file(s)"
default ""
help
This can be either a single cpio archive with a .cpio suffix or a
space-separated list of directories and files for building the
initramfs image. A cpio archive should contain a filesystem archive
to be used as an initramfs image. Directories should contain a
filesystem layout to be included in the initramfs image. Files
should contain entries according to the format described by the
"usr/gen_init_cpio" program in the kernel tree.
When multiple directories and files are specified then the
initramfs image will be the aggregate of all of them.
See <file:Documentation/early-userspace/README> for more details.
If you are not sure, leave it blank.
config INITRAMFS_ROOT_UID
int "User ID to map to 0 (user root)"
depends on INITRAMFS_SOURCE!=""
default "0"
help
This setting is only meaningful if the INITRAMFS_SOURCE is
contains a directory. Setting this user ID (UID) to something
other than "0" will cause all files owned by that UID to be
owned by user root in the initial ramdisk image.
If you are not sure, leave it set to "0".
config INITRAMFS_ROOT_GID
int "Group ID to map to 0 (group root)"
depends on INITRAMFS_SOURCE!=""
default "0"
help
This setting is only meaningful if the INITRAMFS_SOURCE is
contains a directory. Setting this group ID (GID) to something
other than "0" will cause all files owned by that GID to be
owned by group root in the initial ramdisk image.
If you are not sure, leave it set to "0".
config RD_GZIP
bool "Support initial ramdisks compressed using gzip"
depends on BLK_DEV_INITRD
default y
select DECOMPRESS_GZIP
help
Support loading of a gzip encoded initial ramdisk or cpio buffer.
If unsure, say Y.
config RD_BZIP2
bool "Support initial ramdisks 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 ramdisks compressed using LZMA"
default y
depends on BLK_DEV_INITRD
select DECOMPRESS_LZMA
help
Support loading of a LZMA encoded initial ramdisk or cpio buffer
If unsure, say N.
config RD_XZ
bool "Support initial ramdisks compressed using XZ"
depends on BLK_DEV_INITRD
default y
select DECOMPRESS_XZ
help
Support loading of a XZ encoded initial ramdisk or cpio buffer.
If unsure, say N.
config RD_LZO
bool "Support initial ramdisks compressed using LZO"
default y
depends on BLK_DEV_INITRD
select DECOMPRESS_LZO
help
Support loading of a LZO encoded initial ramdisk or cpio buffer
If unsure, say N.
config RD_LZ4
bool "Support initial ramdisks compressed using LZ4"
default y
depends on BLK_DEV_INITRD
select DECOMPRESS_LZ4
help
Support loading of a LZ4 encoded initial ramdisk or cpio buffer
If unsure, say N.
config INITRAMFS_COMPRESSION
string
default ".gz" if RD_GZIP
default ".lz4" if RD_LZ4
default ".lzo" if RD_LZO
default ".xz" if RD_XZ
default ".lzma" if RD_LZMA
default ".bz2" if RD_BZIP2
default ""
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