Re: [PATCH v1 4/6] moduleparam.h: add module_param_config_*() helpers

From: Julian Calaby
Date: Mon Apr 20 2015 - 19:43:02 EST


Hi Luis,

You made a spelling mistake:

On Tue, Apr 21, 2015 at 9:30 AM, Luis R. Rodriguez
<mcgrof@xxxxxxxxxxxxxxxx> wrote:
> From: "Luis R. Rodriguez" <mcgrof@xxxxxxxx>
>
> This adds a couple of bool module_param_config_*() helpers
> which are designed to let us easily associate a booloean
> module parameter with an associated kernel configuration
> option, and to help us remove #ifdef'ery eyesores.
>
> Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Cc: Hannes Reinecke <hare@xxxxxxx>
> Cc: Kees Cook <keescook@xxxxxxxxxxxx>
> Cc: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: cocci@xxxxxxxxxxxxxxx
> Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxx>
> ---
> include/linux/moduleparam.h | 37 +++++++++++++++++++++++++++++++++++++
> 1 file changed, 37 insertions(+)
>
> diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
> index 7e00799..fdf7b87 100644
> --- a/include/linux/moduleparam.h
> +++ b/include/linux/moduleparam.h
> @@ -155,6 +155,43 @@ struct kparam_array
> __MODULE_PARM_TYPE(name, #type)
>
> /**
> + * module_param_config_on_off - bool parameter with run time override
> + * @name: a valid C identifier which is the parameter name.
> + * @value: the actual lvalue to alter.
> + * @perm: visibility in sysfs.
> + * @config: kernel parameter which will enable this option if this
> + * kernel configuration option has been enabled.
> + *
> + * This lets you define a bool module paramter which by default will be

s/paramter/parameter/

> + * set to true if the config option has been set on your kernel's
> + * configuration, otherwise it is set to false.
> + */
> +#define module_param_config_on_off(name, var, perm, config) \
> + static bool var = IS_ENABLED(config); \
> + module_param_named(name, var, bool, perm);
> +
> +/**
> + * module_param_config_on - bool parameter with run time enablement override
> + * @name: a valid C identifier which is the parameter name.
> + * @value: the actual lvalue to alter.
> + * @perm: visibility in sysfs.
> + * @config: kernel parameter which will enable this option if this
> + * kernel configuration option has been enabled.
> + *
> + * This lets you define a bool module paramter which by default will be

Here too.

Thanks,

--
Julian Calaby

Email: julian.calaby@xxxxxxxxx
Profile: http://www.google.com/profiles/julian.calaby/
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