> > On Mon, Nov 03, 2014 at 10:42:05AM +0200, Tomas Winkler wrote: > > To support dynamic addition/remove we add reference > > counter. > > What is keeping two different threads / cpus from grabbing a reference > at the same time the other one is dropping it? > > You have a list here, with no locking, right? You also don't have any > locking for your kref, which isn't good at all... > > Please audit and fix up.
Of course there is a lock, it wouldn't work at all. It is not explicit but we run under device_lock mutex. Tomas -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/