[RFC PATCH v6 1/1] cmdline: Add capability to both append and prepend at the same time

Rob Herring robh at kernel.org
Thu Apr 8 21:08:00 BST 2021


On Sun, Apr 4, 2021 at 12:20 PM Christophe Leroy
<christophe.leroy at csgroup.eu> wrote:
>
> One user has expressed the need to both append and prepend some
> built-in parameters to the command line provided by the bootloader.
>
> Allthough it is a corner case, it is easy to implement so let's do it.
>
> When the user chooses to prepend the bootloader provided command line
> with the built-in command line, he is offered the possibility to enter
> an additionnal built-in command line to be appended after the
> bootloader provided command line.
>
> It is a complementary feature which has no impact on the already
> existing ones and/or the existing defconfig.
>
> Suggested-by: Daniel Walker <danielwa at cisco.com>
> Signed-off-by: Christophe Leroy <christophe.leroy at csgroup.eu>
> ---
> Sending this out as an RFC, applies on top of the series
> ("Implement GENERIC_CMDLINE"). I will add it to the series next spin
> unless someone is against it.

Well, it works, but you are working around the existing kconfig and
the result is not great. You'd never design it this way.

Rob



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