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SubjectRe: [PATCH 0/3] module: Allow parameters without arguments
On Tue, Aug 13, 2013 at 9:17 PM, Steven Rostedt <rostedt@goodmis.org> wrote:
> On Tue, 13 Aug 2013 20:34:58 -0300
> Lucas De Marchi <lucas.de.marchi@gmail.com> wrote:
>
>
>> so in kcmdline we would have modulename.param instead of modulename.param=1?
>>
>> I guess we need to update kmod then, because currently we ignore and
>> treat this case as a wrong token. From a quick look, allowing it in
>> kmod would be as simple as removing a condition check.
>>
>> Lucas De Marchi
>
> Note, both will still work. And it didn't change much. Today, anything
> that uses "module_param()" with bool type (a quick git grep shows 570
> users), already do not require a value.
>
> Randomly looking at one... drivers/input/mouse/synaptics_i2c.c, you can
> just do:
>
> insmod synaptics_i2c.ko no_filter
>
> no need to add a "=1" to that.
>
> But anything else will still require a value. I just want to allow
> other parameters that act like a boolean to not require one.

true... but currently "modprobe synaptics_i2c" doesn't get the
parameter correctly from kernel command line if it doesn't have a
value. And I agree this not something that changed but rather a bug in
kmod waiting to be fixed.

Lucas De Marchi


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