Re: [B.A.T.M.A.N.] [PATCH] drivers/staging/batman-adv: Convert MAC_FMT to %pM

[Greg KH <gregkh@suse.de>]

On Thu, Jun 03, 2010 at 05:15:53PM +0800, Marek Lindner wrote:
> On Thursday 03 June 2010 08:20:01 Joe Perches wrote:
> > The patch changes the prefix from "batman-adv:" to "batman_adv: "
> > so yes, it would break as-is.
> > 
> > I think the concept is broken though, I believe dmesg output
> > specifically is not guaranteed to remain stable, and batman should
> > use some other, perhaps private, logger based on ethtool events.
> 
> I think changing a dash to an underscore is not such a big deal (I did not 
> check the rest of the patch yet). But I'm interested to hear more about your 
> "private logger" idea because the current solution is far from being perfect. 
> As we have to debug the routing protocol every now and then it would be very 
> helpful to get direct access to some internal logging facility. In fact, that 
> existed before (inside of /proc) but was removed to be more compliant with the 
> linux kernel and the existing log facilities.

You can always use debugfs if you like for something like this.

Or tie into the profile/perf subsystem, that might be even easier.

thanks,

greg k-h