[ofa-general] [PATCH v2] ipiob: fix rtnl deadlock

[Roland Dreier]

 > > I don't think moving to a different workqueue helps, does it?  Because
 > > we just have to flush *that* workqueue somewhere too.

 > Yes, but it won't have to be from ipoib_stop, it can be from a place
 > where rtnl_lock is not held.

That's kind of the direction I've been looking, except I don't think we
need to invent a new workqueue to do this.  It seems that ipoib_stop is
the wrong place to flush our workqueue in general.

 - R.