Re: [PATCH] wireless: change cfg80211 regulatory domain info as debug messages

From: Dave Young
Date: Sun Nov 15 2015 - 20:59:18 EST


On 11/15/15 at 07:25pm, Stefan Lippers-Hollmann wrote:
> Hi
> On 2015-11-15, Dave Young wrote:
> > cfg80211 module prints a lot of messages like below. Actually printing
> > once is acceptable but sometimes it will print again and again, it looks
> > very annoying. It is better to change these detail messages to debugging
> > only.
> It is a lot of info, easily repeated 3 times on boot, but it's also the
> only real chance to determine why you ended up with the regulatory
> domain settings you got, rather than just the values itself. Given that
> a lot (most?) of officially shipping wireless devices are misconfigured
> (wrong EEPROM regdom settings for the region they're sold in) and
> considering that the limits can even change at runtime (IEEE 802.11d),
> it is imho quite important not just to be able what the current
> restrictions (iw reg get) are, but also why the kernel settled on those.

If it is really important then a kernel cmdline param to disable the logs
sounds better?

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