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cpio/initramfs: clarify their use in the help text

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Recent mails on the list show that it is not very clear how to create
an initial RAM fs with buildroot.  So make this more explicit in the
cpio and initramfs help texts.  Hopefully this will reduce the /init
debugging we have to do.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Arnout Vandecappelle 2012-11-06 13:41:48 +00:00 committed by Peter Korsgaard
parent 7103905fde
commit 7e61918f9d
2 changed files with 9 additions and 4 deletions
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11
fs/cpio/Config.in
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@ -1,14 +1,19 @@
config BR2_TARGET_ROOTFS_CPIO
bool "cpio the root filesystem"
bool "cpio the root filesystem (for use as an initial RAM filesystem)"
help
Build a cpio archive of the root filesystem
Build a cpio archive of the root filesystem. This is typically
used for an initial RAM filesystem that is passed to the kernel
by the bootloader.
choice
prompt "Compression method"
default BR2_TARGET_ROOTFS_CPIO_NONE
depends on BR2_TARGET_ROOTFS_CPIO
help
Select compressor for cpio filesystem of the root filesystem
Select compressor for cpio filesystem of the root filesystem.
If you use the cpio archive as an initial RAM filesystem, make
sure the kernel contains the decompression algorithm selected
here.
config BR2_TARGET_ROOTFS_CPIO_NONE
bool "no compression"

2
fs/initramfs/Config.in
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@ -1,5 +1,5 @@
config BR2_TARGET_ROOTFS_INITRAMFS
bool "initramfs for initial ramdisk of linux kernel"
bool "initial RAM filesystem linked into linux kernel"
depends on BR2_LINUX_KERNEL
select BR2_TARGET_ROOTFS_CPIO
help