initramfs cpio tools had been subject of several recent discussions on linux-kbuild. Let's get two minor steps forward by enabling a top-level target for building gen_init_cpio w/o the need of a valid kbuild configuration [1] and move the tools for generating the built-in initramfs from usr/ to scripts/ [2].
Link: https://lore.kernel.org/all/[email protected] # [1] Link: https://lore.kernel.org/all/[email protected]/ # [2] --- Changes in v3: * Update various remaining usr/gen_init* references treewide (Nathan) * Link to v2: https://patch.msgid.link/20260720-move-gen_init_cpio-to-scripts-v2-0-26b7e15c7...@kernel.org Changes in v2: * Build gen_init_cpio only if CONFIG_BLK_DEV_INITRD (Thomas) * Keep underscore top-level target name (scripts_gen_init_cpio) (Thomas) * Link to v1: https://patch.msgid.link/20260309-move-gen_init_cpio-to-scripts-v1-0-0c5059b1e...@kernel.org To: Nathan Chancellor <[email protected]> To: Nicolas Schier <[email protected]> To: Jonathan Corbet <[email protected]> To: Shuah Khan <[email protected]> To: Randy Dunlap <[email protected]> To: Luis Augenstein <[email protected]> To: Maximilian Huber <[email protected]> To: Mike Rapoport <[email protected]> To: Pasha Tatashin <[email protected]> To: Pratyush Yadav <[email protected]> To: Alexander Graf <[email protected]> To: Willy Tarreau <[email protected]> To: Thomas Weißschuh <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] --- Nicolas Schier (2): kbuild: Mark usr_gen_init_cpio as no-dot-config-target kbuild: Move gen_init_cpio and gen_initramfs.sh to scripts/ .../early-userspace/early_userspace_support.rst | 16 ++++++++-------- Documentation/filesystems/ramfs-rootfs-initramfs.rst | 10 +++++----- MAINTAINERS | 1 + Makefile | 9 +++++---- scripts/.gitignore | 1 + scripts/Makefile | 3 +++ scripts/Makefile.package | 2 +- {usr => scripts}/gen_init_cpio.c | 0 {usr => scripts}/gen_initramfs.sh | 2 +- scripts/remove-stale-files | 2 ++ scripts/sbom/tests/cmd_graph/test_savedcmd_parser.py | 2 +- tools/testing/selftests/kho/vmtest.sh | 2 +- tools/testing/selftests/nolibc/Makefile.nolibc | 2 +- usr/.gitignore | 4 +++- usr/Kconfig | 2 +- usr/Makefile | 4 +--- 16 files changed, 35 insertions(+), 27 deletions(-) --- base-commit: 93f51579e7df248780214094418f205253383cc5 change-id: 20260225-move-gen_init_cpio-to-scripts-9e89ef99e51a Best regards, -- Nicolas
