Re: exposing kernel driver to user space app

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On 8/10/07, ilya <jibberboosh@xxxxxxxxx> wrote:
> hello,
>
> according to this article: http://lwn.net/Articles/149807/
> configfs and sysfs are practically the same thing. i think
> i am going to give netlink sockets a try instead, if that
> won't work i'll stick w/ sysfs.

No they are practically different but abstractally same as they both
rely on same data structures for templates.
Yes netlink sockets are good enough if you want to send just small
amount between the two worlds.

thanks
--pradeep
>
> thank you for your reply.
>
> -- ilya
>
> On 8/9/07, pradeep singh <2500.pradeep@xxxxxxxxx> wrote:
> > 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
> > >
> > > --
> > > To unsubscribe from this list: send an email with
> > > "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx
> > > Please read the FAQ at http://kernelnewbies.org/FAQ
> > >
> > >
> >
> >
> > --
> > play the game
> >
>


-- 
play the game

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