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de0428ed55
Add a section describing CONFIG_CMDLINE_FROM_BOOTCONFIG: what it does (renders the embedded "kernel" subtree to a flat cmdline at build time so early_param() handlers see the values), what it requires (BOOT_CONFIG_EMBED, a non-empty BOOT_CONFIG_EMBED_FILE, CONFIG_CMDLINE to be empty, and ARCH_SUPPORTS_CMDLINE_FROM_BOOTCONFIG -- currently x86 only), the bootconfig opt-in semantics, the initrd-vs-embedded precedence, and the soft-error overflow behavior. This addresses feedback from the Sashiko AI review and Masami Hiramatsu to document the CONFIG_CMDLINE requirement, which is enforced at the Kconfig level but was not mentioned in the documentation, potentially confusing users who might satisfy all other requirements but still find the option hidden in menuconfig if CONFIG_CMDLINE is non-empty. Link: https://lore.kernel.org/all/20260626-bootconfig_using_tools-v7-6-24ab72139c29@debian.org/ Signed-off-by: Breno Leitao <leitao@debian.org> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
416 lines
15 KiB
416 lines
15 KiB