Hi,
I forgot to add LTO people and Masahiro to this mail. Let me update the
cover mail and resubmit.
On Sun, 27 Mar 2022 08:36:53 +0900
Masami Hiramatsu <mhiramat@kernel.org> wrote:
> Hi,
>
> Here are the 4th version of the patchset to enable kernel embedded bootconfig
> for non-initrd kernel boot environment. I've fixed Makefile to determine
> update by checking the contents of embedding bootconfig file. Thanks
> Masahiro!
>
> You can embed a bootconfig file into the kernel as a default bootconfig,
> which will be used if there is no initrd or no bootconfig is attached to initrd.
>
> This needs 2 options: CONFIG_EMBED_BOOT_CONFIG=y and set the file
> path to CONFIG_EMBED_BOOT_CONFIG_FILE. Even if you embed the bootconfig file
> to the kernel, it will not be enabled unless you pass "bootconfig" kernel
> command line option at boot. Moreover, since this is just a "default"
> bootconfig, you can override it with a new bootconfig if you attach another
> bootconfig to the initrd (if possible).
> CONFIG_EMBED_BOOT_CONFIG_FILE can take both absolute and relative path, but
> to simplify and make it independent from the build environment, I recommend
> you to use an absolute path for that.
>
> This is requested by Padmanabha at the below thread;
>
> https://lore.kernel.org/all/20220307184011.GA2570@pswork/T/#u
>
> Thank you,
>
> ---
>
> Masami Hiramatsu (3):
> bootconfig: Check the checksum before removing the bootconfig from initrd
> bootconfig: Support embedding a bootconfig file in kernel
> docs: bootconfig: Add how to embed the bootconfig into kernel
>
>
> Documentation/admin-guide/bootconfig.rst | 30 ++++++++++++++++++++++++++---
> include/linux/bootconfig.h | 10 ++++++++++
> init/Kconfig | 21 ++++++++++++++++++++
> init/main.c | 31 +++++++++++++++---------------
> lib/.gitignore | 1 +
> lib/Makefile | 10 ++++++++++
> lib/bootconfig.c | 23 ++++++++++++++++++++++
> 7 files changed, 108 insertions(+), 18 deletions(-)
>
> --
> Masami Hiramatsu (Linaro) <mhiramat@kernel.org>
--
Masami Hiramatsu <mhiramat@kernel.org>