Re: [PATCH] (1/8) Eliminate brlock in psnap

[Paul McKenney]

> > Module unloading should be rare enough to tolerate
> > the grace period under the module_mutex, right?
> >
> > Thoughts?
>
> I would agree. However can't unregister_snap_client be used in other
paths
> apart from module_unload? I wouldn't worry too much since if
> register_snap_client and unregister_snap_client for the same protocol
> races it's a bug in the caller's code. The safe RCU list removal and
> synchronize_kernel should protect us from sane usage.
>
>            Zwane

It is not called from elsewhere right now, but if there
is a possibility that it might be, Steve of course should
keep the locking in these functions.

                              Thanx, Paul