Quoting r. Roland Dreier <[EMAIL PROTECTED]>: > Subject: Re: Fwd: issues in ipoib > > Roland> It's not lockdep, it's just general lock debugging. And > Roland> freeing a locked lock is bad practice anyway. > > Michael> Fine, although I wander why exactly. I'll just respin > Michael> with up_read then? But won't down_read up_read look weird > Michael> too? Is there some other way to flush out all readers? > > It's bad practice because in general you don't know who else is > blocked on the lock getting freed, so freeing it could lead to > deadlock or use-after-free. > > In this case using an rwsem seems sort of awkward anyway. Wouldn't it > match better with what's really going on to have a reference count, > and wait for it to go to zero?
So basically a kref + a waitqueue? Fine. -- MST _______________________________________________ openib-general mailing list openib-general@openib.org http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
