From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>
Cc: Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>,
Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>,
Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Paul Mackerras <paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>,
Anton Blanchard <anton-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>,
general-ZwoEplunGu1OwGhvXhtEPSCwEArCW2h5@public.gmane.org,
akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
Jeff Squyres <jsquyres-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
Subject: Re: [ofa-general] Re: [GIT PULL] please pull ummunotify
Date: Mon, 12 Oct 2009 22:05:15 -0600 [thread overview]
Message-ID: <20091013040515.GI18578@obsidianresearch.com> (raw)
In-Reply-To: <20091012202046.GA7648-X9Un+BFzKDI@public.gmane.org>
On Mon, Oct 12, 2009 at 10:20:46PM +0200, Ingo Molnar wrote:
> It might be more acceptable because the flag-hint mechanism can at most
> cause over-flushing - while with perf events we might miss to invalidate
> a range altogether.
Right. Overflushing is not important, but missing an event entirely is not
recoverable (at least within the current kernel APIs).
Jason
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next prev parent reply other threads:[~2009-10-13 4:05 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
2009-09-15 11:34 ` Pavel Machek
[not found] ` <20090915113434.GF1328-+ZI9xUNit7I@public.gmane.org>
2009-09-15 14:57 ` [ofa-general] " Roland Dreier
[not found] ` <ada7hw0gsqz.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-09-28 20:49 ` Pavel Machek
[not found] ` <20090928204923.GA1960-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2009-09-28 21:40 ` Jason Gunthorpe
[not found] ` <aday6omhz9d.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-09-11 5:56 ` KOSAKI Motohiro
2009-09-11 6:03 ` [ofa-general] " Roland Dreier
[not found] ` <adatyzahvbm.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-09-11 6:11 ` KOSAKI Motohiro
[not found] ` <20090911150552.DB68.A69D9226-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2009-09-11 16:42 ` Gleb Natapov
2009-09-11 6:15 ` Brice Goglin
[not found] ` <4AA9EAF7.5010401-MZpvjPyXg2s@public.gmane.org>
2009-09-11 6:21 ` KOSAKI Motohiro
2009-09-11 6:22 ` Roland Dreier
2009-09-11 6:40 ` [ofa-general] " Jason Gunthorpe
[not found] ` <20090911064019.GZ4973-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-09-11 16:58 ` Roland Dreier
[not found] ` <adaljklifkt.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-09-15 7:03 ` KOSAKI Motohiro
2009-09-15 8:27 ` Roland Dreier
2009-09-15 12:38 ` Jeff Squyres
2009-09-16 16:30 ` Roland Dreier
2009-09-16 16:40 ` [ofa-general] " Linus Torvalds
2009-09-17 11:30 ` Peter Zijlstra
2009-09-17 14:24 ` [ofa-general] " Roland Dreier
[not found] ` <adafxalejiq.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-09-17 14:32 ` Roland Dreier
[not found] ` <adaab0tej5c.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-09-17 14:49 ` Peter Zijlstra
2009-09-17 15:03 ` Roland Dreier
[not found] ` <adazl8td35u.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-09-17 15:22 ` Peter Zijlstra
2009-09-17 15:45 ` Roland Dreier
[not found] ` <adatyz1d17q.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-09-18 11:50 ` Ingo Molnar
2009-09-29 17:13 ` Pavel Machek
[not found] ` <20090929171332.GD14405-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2009-09-30 9:44 ` Ingo Molnar
[not found] ` <20090930094456.GD24621-X9Un+BFzKDI@public.gmane.org>
2009-09-30 16:02 ` Jason Gunthorpe
[not found] ` <20090930160232.GZ22310-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-12 18:19 ` Ingo Molnar
[not found] ` <20091012181944.GF17138-X9Un+BFzKDI@public.gmane.org>
2009-10-12 19:30 ` Jason Gunthorpe
2009-10-12 20:20 ` Ingo Molnar
[not found] ` <20091012202046.GA7648-X9Un+BFzKDI@public.gmane.org>
2009-10-13 4:05 ` Jason Gunthorpe [this message]
2009-10-13 6:40 ` Ingo Molnar
[not found] ` <20091013064006.GC9470-X9Un+BFzKDI@public.gmane.org>
2009-10-13 16:27 ` Jason Gunthorpe
2009-10-13 5:43 ` Brice Goglin
[not found] ` <4AD41373.8010108-MZpvjPyXg2s@public.gmane.org>
2009-10-13 6:38 ` Ingo Molnar
2009-09-30 17:06 ` Roland Dreier
2009-10-02 16:32 ` Roland Dreier
[not found] ` <ada3a61rc3j.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-10-02 20:45 ` Pavel Machek
2009-10-07 22:34 ` Roland Dreier
[not found] ` <ada3a5uq1dk.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-10-12 17:33 ` Peter Zijlstra
2009-09-17 14:43 ` Peter Zijlstra
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