Re: [PATCH] mac80211_hwsim: Allow wmediumd to attach to radios created in its netns

[Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>]

On Wed, 2016-06-15 at 14:37 +0200, Martin Willi wrote:
> > 
> > 
> > >  printk(KERN_INFO "mac80211_hwsim: wmediumd released netlink"
> > >         " socket, switching to perfect channel medium\n");
> 
> > I wonder if we can do something better about them? Or perhaps if we
> > should remove them, so other namespaces won't mess up the kernel
> > log
> 
> This is in fact not very nice, but not specific to hwsim. Any
> namespace
> can mess up the kernel log from different (networking) subsystems.
> This
> has been discussed some time ago [1], but AFAIK there is no real
> solution so far.
> 
> For this patch I think we have the following options:
>  * Keep the printk() messages as proposed
>  * Remove those callable from non-initial namespaces completely
>  * Suppress them when called from non-initial namespaces
>  * Include the associated "netgroup" in the message
> 
> I personally would prefer the first option, as this problem is not
> specific to hwsim or mac80211, but many subsystems. So we certainly
> can
> add some work-around, but there is not much to gain if other modules
> don't.
> 

Fair enough.

johannes
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