> > > Hmm, or are you saying you can only get 1 event per registered range and > > > allocate the thing on registration? That'd need some registration limit > > > to avoid DoS scenarios. > > > > Yes, that's what I do. You're right, I should add a limit... although > > their are lots of ways for userspace to consume arbitrary amounts of > > kernel resources already. > > I'd be good to work at reducing that number, not adding to it ;-)
Yes, definitely. I'll add a quick ummunotify module parameter that limits the number of registrations per process. > But yeah, I currently don't see a very nice match to perf counters. OK. It would be nice to tie into something more general, but I think I agree -- perf counters are missing the filtering and the "no lost events" that ummunotify does have. And I'm not sure it's worth messing up the perf counters design just to jam one more not totally related thing in. - R. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html