Messages in this thread | | | Subject | Re: [ofa-general] Re: [GIT PULL] please pull ummunotify | From | Peter Zijlstra <> | Date | Thu, 17 Sep 2009 17:22:24 +0200 |
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On Thu, 2009-09-17 at 08:03 -0700, Roland Dreier wrote: > > 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 ;-)
But yeah, I currently don't see a very nice match to perf counters.
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