Re: support for merged /usr in Debian
On 08/01/16 03:03, Marco d'Itri wrote:
> It has been said that some have[citation needed] crappy boot loaders
> that do not support loading an initramfs, but you can still embed one in
> the kernel binary if you are building your own kernel
... and you'd need to build your own kernel on these platforms in any
case, because Debian kernels (like those in most distributions) are
heavily modularized, and can't see a disk or mount the root filesystem
without help from user-space anyway (CONFIG_SATA_AHCI=m,
CONFIG_EXT4_FS=m and the equivalents for other drive interfaces and
filesystems).
tiny-initramfs, mentioned elsewhere in this thread, seems an excellent
candidate for embedding in a kernel that doesn't need a "full-fat"
initramfs: it's around 16K when statically linked to a small libc, and
is configured via the kernel command-line (to mount the root) and the
root's /etc/fstab (to mount /usr if necessary).
S
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