On Fri, May 29, 2026 at 12:15:19AM +0900, Masami Hiramatsu wrote: > On Wed, 27 May 2026 09:41:33 -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. > > > > Thanks Breno, yes, that is what I think about. > Let me check it. And could you also check Sashiko's comments?
yes, I've spent some time on them, and it reported some good points, in fact. I will fix those and resend. Thanks! --breno
