Re: [PATCH v3 0/2] Move tool for generating initramfs cpio to scripts/

[Mike Rapoport <rppt@kernel.org>]

Hi Nicolas,

On Fri, Sep 25, 2026 at 09:29:29PM +0200, Nicolas Schier wrote:
> 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/20260220191150.244006-1-safinaskar@gmail.com # [1]
> Link: https://lore.kernel.org/all/aSdrCFkUQup3qb-q@derry.ads.avm.de/ # [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-v2-0-26b7e15c7133@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-v1-0-0c5059b1ec5b@kernel.org
> 
> ---
> 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 +-

There's also tools/testing/selftests/liveupdate/vmtest.sh I know of, didn't
check for other users in tools/testing

>  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
> 

-- 
Sincerely yours,
Mike.