On Tue, Jun 09, 2026 at 10:46:11AM +0900, Masami Hiramatsu wrote: > On Mon, 08 Jun 2026 09:23:57 -0700 > Breno Leitao <[email protected]> wrote: > > > The userspace pieces (xbc_snprint_cmdline() in lib/, tools/bootconfig -C) > > already landed; this series wires the rendered cmdline into the kernel. > > > > Motivation: today the embedded bootconfig is parsed at runtime, after > > parse_early_param() has already run, so early_param() handlers can't > > see embedded values. Folding the kernel.* subtree into the cmdline at > > build time gives a CONFIG_CMDLINE-equivalent for embedded-bootconfig > > users without forcing them to maintain two cmdline sources. > > > > Behaviorally, the "kernel" subtree is rendered to a flat string at > > build time and stashed in .init.rodata. setup_arch() prepends it to > > boot_command_line before parse_early_param() runs. Overflow is a soft > > error: the helper logs and leaves boot_command_line untouched rather > > than panicking, so an oversized embedded bconf cannot brick a boot. > > > > Sashiko still leaves some comments. > https://sashiko.dev/#/patchset/20260608-bootconfig_using_tools-v3-0-4ddd079a0696%40debian.org
Ack. There are two "low" issues and one high. I will fix all of them in v4. > BTW, can you also update the document > (Documentation/admin-guide/bootconfig.rst) > about what is the expected behavior of this feature (kconfigs, examples)? Sure, good idea. I will add a new patch documenting this new feature. Thanks for the review, --breno
