linux-kernel - Re: [PATCH v1 4/6] moduleparam.h: add module_param_config

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Date:	Tue, 21 Apr 2015 09:42:21 +1000
From:	Julian Calaby <julian.calaby@...il.com>
To:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
Cc:	Rusty Russell <rusty@...tcorp.com.au>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-wireless <linux-wireless@...r.kernel.org>,
	keescook@...omium.org, casey@...aufler-ca.com,
	cocci@...teme.lip6.fr, "Luis R. Rodriguez" <mcgrof@...e.com>,
	Jani Nikula <jani.nikula@...el.com>,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Hannes Reinecke <hare@...e.de>, Tejun Heo <tj@...nel.org>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH v1 4/6] moduleparam.h: add module_param_config_*() helpers

Hi Luis,

You made a spelling mistake:

On Tue, Apr 21, 2015 at 9:30 AM, Luis R. Rodriguez
<mcgrof@...not-panic.com> wrote:
> From: "Luis R. Rodriguez" <mcgrof@...e.com>
>
> 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@...tcorp.com.au>
> Cc: Jani Nikula <jani.nikula@...el.com>
> Cc: Christoph Hellwig <hch@...radead.org>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
> Cc: Hannes Reinecke <hare@...e.de>
> Cc: Kees Cook <keescook@...omium.org>
> Cc: Tejun Heo <tj@...nel.org>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: linux-kernel@...r.kernel.org
> Cc: cocci@...teme.lip6.fr
> Signed-off-by: Luis R. Rodriguez <mcgrof@...e.com>
> ---
>  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@...il.com
Profile: http://www.google.com/profiles/julian.calaby/
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