Re: [PATCH v2] Documentation: kbuild: explicitly document missing prompt

[Nathan Chancellor <nathan@kernel.org>]

On Fri, Aug 23, 2024 at 12:41:51PM -0700, Stephen Brennan wrote:
> There are a few lines in the kbuild-language.rst document which
> obliquely reference the behavior of config options without prompts.
> But there is nothing in the obvious location that explicitly calls
> out that users cannot edit config options unless they have a prompt.
> 
> Signed-off-by: Stephen Brennan <stephen.s.brennan@oracle.com>

Looks good to me.

Reviewed-by: Nathan Chancellor <nathan@kernel.org>

> ---
> v1: https://lore.kernel.org/linux-doc/20240820171000.1656021-1-stephen.s.brennan@oracle.com/
> 
>  Documentation/kbuild/kconfig-language.rst | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/kbuild/kconfig-language.rst b/Documentation/kbuild/kconfig-language.rst
> index 1fb3f5e6193c3..4650daaf5d365 100644
> --- a/Documentation/kbuild/kconfig-language.rst
> +++ b/Documentation/kbuild/kconfig-language.rst
> @@ -70,7 +70,11 @@ applicable everywhere (see syntax).
>  
>    Every menu entry can have at most one prompt, which is used to display
>    to the user. Optionally dependencies only for this prompt can be added
> -  with "if".
> +  with "if". If a prompt is not present, the config option is a non-visible
> +  symbol, meaning its value cannot be directly changed by the user (such as
> +  altering the value in ``.config``) and the option will not appear in any
> +  config menus. Its value can only be set via "default" and "select" (see
> +  below).
>  
>  - default value: "default" <expr> ["if" <expr>]
>  
> -- 
> 2.43.5
>