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pmaports-rtwo/main/postmarketos-initramfs/mdev.conf
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Caleb ConnollyandClayton Craft cb8414a20d postmarketos-initramfs: unify with minimal initramfs (MR 5636)
We previously forked the initramfs into a minimal variant for highly
space constrained devices, to allow the normal variant to gain
additional functionality like the debug-shell (With OSK). Initially the
hope was that only a handful of devices would need the minimal variant,
but in practise this has not been the case.

Trying to maintain two diverging forks of the initramfs is absoutely
unsustainable and (to be frank) a bit silly.

Based on discussion with craftyguy and newbyte, let's re-architect the
initramfs to run in two stages, with the second stage being part of
initramfs-extra. By itself this doesn't make a lot of sense, since
requiring the boot partition be mounted for the debug-shell to be useful
is a major downgrade.

However this can be used in tandem with pending support for a new
deviceinfo_create_initfs_extra variable, this is default false in
mkinitfs which finally gets rid of initramfs-extra entirely for devices
that don't need it.

Signed-off-by: Caleb Connolly <caleb@postmarketos.org>
Co-authored-by: Clayton Craft <clayton@craftyguy.net>
2024-10-31 11:54:24 -07:00

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#
# This is an mdev config for the postmarketOS initramfs
#
# Devices:
# Syntax: %s %d:%d %s
# devices user:group mode
$MODALIAS=.* 0:0 0660 @modprobe -q -b "$MODALIAS"
# null does already exist; therefore ownership has to be changed with command
null 0:0 0666 @chmod 666 $MDEV
zero 0:0 0666
full 0:0 0666
random 0:0 0666
urandom 0:0 0444
hwrandom 0:0 0660
console 0:0 0600
kmem 0:0 0640
mem 0:0 0640
# Set up /dev/disk/by-* symlinks
dasd.* 0:0 0660 */lib/mdev/persistent-storage
mmcblk.* 0:0 0660 */lib/mdev/persistent-storage
nbd.* 0:0 0660 */lib/mdev/persistent-storage
nvme.* 0:0 0660 */lib/mdev/persistent-storage
sd[a-z].* 0:0 0660 */lib/mdev/persistent-storage
sr[0-9]+ 0:0 0660 */lib/mdev/persistent-storage
vd[a-z].* 0:0 0660 */lib/mdev/persistent-storage
xvd[a-z].* 0:0 0660 */lib/mdev/persistent-storage