Re: exposing kernel driver to user space app

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On 8/9/07, ilya <jibberboosh@xxxxxxxxx> wrote:
> hello,
>
[...]
>
> i have a feeling, however, that i am abusing this method.
> what is the appropriate way of setting this up? is there
> a way for the module to notify an application of some
> event happening? because right now i do this by
> constantly reading from one of the files in sysfs until
> the value it holds changes. i also know that reading
> files from kernel-mode is not a good thing, but i want
> to implement something of a config file that can be
> modified from user-space but would be read in by
> the module. what is the best way of doing this?

Not sure whether this is the best way or not but i guess you should
have a look at config fs too. AFAIR it is used to send notifications
from kernel to userspace in a cleaner way.

Does this solves your problem somehow?

thanks
>
> any info is much appreciated.
>
> -- ilya
>
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