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

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Message-ID: <20150421164151.GK5622@wotan.suse.de>
Date:	Tue, 21 Apr 2015 18:41:51 +0200
From:	"Luis R. Rodriguez" <mcgrof@...e.com>
To:	Julian Calaby <julian.calaby@...il.com>
Cc:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>,
	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, 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

On Tue, Apr 21, 2015 at 09:42:21AM +1000, Julian Calaby wrote:
> 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.

Fixed, thanks.

  Luis
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