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-rw-r--r--fs/cpio/Config.in11
-rw-r--r--fs/initramfs/Config.in2
2 files changed, 9 insertions, 4 deletions
diff --git a/fs/cpio/Config.in b/fs/cpio/Config.in
index 374cfe0cd..0669a44e1 100644
--- a/fs/cpio/Config.in
+++ b/fs/cpio/Config.in
@@ -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"
diff --git a/fs/initramfs/Config.in b/fs/initramfs/Config.in
index bbc2ab0b7..22066eef9 100644
--- a/fs/initramfs/Config.in
+++ b/fs/initramfs/Config.in
@@ -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