diff options
Diffstat (limited to 'fs/initramfs/Config.in')
| -rw-r--r-- | fs/initramfs/Config.in | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/fs/initramfs/Config.in b/fs/initramfs/Config.in index c76b2de12..abb3c0cc0 100644 --- a/fs/initramfs/Config.in +++ b/fs/initramfs/Config.in @@ -2,17 +2,19 @@ config BR2_TARGET_ROOTFS_INITRAMFS bool "initramfs for initial ramdisk of linux kernel" depends on BR2_LINUX_KERNEL help - Build a file which is usable for the gen_init_cpio tool - at linux kernel build. - This file is normally called initramfs_list and can be - generated with gen_initramfs_list.sh script from the root - directory structure. - The file is then used in the kernel build process to generate - the cpio filesystem for the initial ramdisk. Make sure that - you configure this file in kernel build configuration. - The location in the kernel build configuration menu is - Device Drivers -> Block devices -> Initramfs source file(s). - The configuration variable is CONFIG_INITRAMFS_SOURCE + Integrate the root filesystem generated by Buildroot as an + initramfs inside the kernel image. This integration will + take place automatically. + + The rootfs.initramfs file generated in the images/ directory + is only a text file describing the contents of the initramfs + in a format understood by the CONFIG_INITRAMFS_SOURCE kernel + configuration option. + + Note that enabling initramfs together with other filesystem + formats doesn't make sense: you would end up having two + identical root filesystems, one embedded inside the kernel + image, and one separatly. comment "initramfs requires a Linux kernel to be built" depends on !BR2_LINUX_KERNEL |