From: Roland Dreier <rdreier@cisco.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org,
Paul Mackerras <paulus@samba.org>,
Anton Blanchard <anton@samba.org>,
general@lists.openfabrics.org, akpm@linux-foundation.org,
torvalds@linux-foundation.org, Ingo Molnar <mingo@elte.hu>
Subject: Re: [ofa-general] Re: [GIT PULL] please pull ummunotify
Date: Thu, 17 Sep 2009 08:03:25 -0700 [thread overview]
Message-ID: <adazl8td35u.fsf@cisco.com> (raw)
In-Reply-To: <1253198976.14935.27.camel@laptop> (Peter Zijlstra's message of "Thu, 17 Sep 2009 16:49:36 +0200")
> 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.
- R.
next prev parent reply other threads:[~2009-09-17 15:03 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-11 4:38 [GIT PULL] please pull ummunotify Roland Dreier
2009-09-11 5:56 ` KOSAKI Motohiro
2009-09-11 6:03 ` Roland Dreier
2009-09-11 6:11 ` KOSAKI Motohiro
2009-09-11 16:42 ` Gleb Natapov
2009-09-11 6:15 ` Brice Goglin
2009-09-11 6:21 ` KOSAKI Motohiro
2009-09-11 6:22 ` Roland Dreier
2009-09-11 6:40 ` [ofa-general] " Jason Gunthorpe
2009-09-11 16:58 ` Roland Dreier
2009-09-15 7:03 ` KOSAKI Motohiro
2009-09-15 8:27 ` Roland Dreier
2009-09-15 12:38 ` Jeff Squyres
2009-09-15 11:34 ` Pavel Machek
2009-09-15 14:57 ` [ofa-general] " Roland Dreier
2009-09-28 20:49 ` Pavel Machek
2009-09-28 21:40 ` Jason Gunthorpe
2009-09-16 16:30 ` Roland Dreier
2009-09-16 16:40 ` Linus Torvalds
2009-09-17 11:30 ` Peter Zijlstra
2009-09-17 14:24 ` [ofa-general] " Roland Dreier
2009-09-17 14:32 ` Roland Dreier
2009-09-17 14:49 ` Peter Zijlstra
2009-09-17 15:03 ` Roland Dreier [this message]
2009-09-17 15:22 ` Peter Zijlstra
2009-09-17 15:45 ` Roland Dreier
2009-09-18 11:50 ` Ingo Molnar
2009-09-29 17:13 ` Pavel Machek
2009-09-30 9:44 ` Ingo Molnar
2009-09-30 16:02 ` Jason Gunthorpe
2009-10-12 18:19 ` Ingo Molnar
2009-10-12 19:30 ` Jason Gunthorpe
2009-10-12 20:20 ` Ingo Molnar
2009-10-13 4:05 ` Jason Gunthorpe
2009-10-13 6:40 ` Ingo Molnar
2009-10-13 16:27 ` Jason Gunthorpe
2009-10-13 5:43 ` Brice Goglin
2009-10-13 6:38 ` Ingo Molnar
2009-09-30 17:06 ` Roland Dreier
2009-10-02 16:32 ` Roland Dreier
2009-10-02 20:45 ` Pavel Machek
2009-10-07 22:34 ` Roland Dreier
2009-10-12 17:33 ` Peter Zijlstra
2009-09-17 14:43 ` Peter Zijlstra
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