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/[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 > > --- > 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.

