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Re: Saving kernel module parameters settings

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Hi Dimitry,

Thanks for your reply.

Just to contextualize. I ended up implementing the communication between userspace and kernel space with binary attributes. I have only needed to implement two of them.

One of those binary attributes is responsible for getting the state to be shown on controlpanel and setting the state back to the device based on control panel changes.

Basicly, what I need is to have a copy of that binary attribute saved in order to load it into module internal state variable when module loads.

Do you think is possible to achieve this goal?


With my best regards,


On 11/21/2011 05:30 PM, Dmitry Torokhov wrote:
On Mon, Nov 21, 2011 at 09:59:16AM +0000, Nuno Santos wrote:

Is there any mechanism to save kernel module parameters/settings in
a persistent way?

If kernel module is built-in then you'd have to adjust kernel command
line. If module is built as a loadable module then you can stick needed
settings in a file in /etc/modprobe.d/

Depending on the parameters (i.e. if they programmed to take effect
immediately - as opposed to, for example, only during new device
binding) you can have a program adjust them after you boot.


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