From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Ingo Molnar <mingo@elte.hu>
Cc: Lee Revell <rlrevell@joe-job.com>, Andrew Morton <akpm@osdl.org>,
linux-audio-dev@music.columbia.edu, arjanv@redhat.com,
linux-kernel <linux-kernel@vger.kernel.org>,
"La Monte H.P. Yarroll" <piggy@timesys.com>
Subject: Re: [linux-audio-dev] Re: [announce] [patch] Voluntary Kernel Preemption Patch
Date: Fri, 23 Jul 2004 17:28:31 +1000 [thread overview]
Message-ID: <4100BE1F.7050207@yahoo.com.au> (raw)
In-Reply-To: <20040723072127.GA15565@elte.hu>
Ingo Molnar wrote:
> * Nick Piggin <nickpiggin@yahoo.com.au> wrote:
>
>
>>You wouldn't need to do this to break out of interrupt context
>>softirqs because you wouldn't bother returning to it. Just hand the
>>work off to ksoftirqd.
>
>
> this is plainly not the case. Look at eg. the net_tx_action() lock-break
> i did in the -I1 patch. There we first create a private queue which we
> work down. With my approach we can freely reschedule _within the loop_.
> With your suggestion this is not possible.
>
Sorry I missed that. Yeah if you are seeing high latencies *within*
a single softirq then my thing obviously wouldn't work.
If they're as high as a couple of ms on your 2GHz machine, then they
definitely shouldn't be processed in the interrupt path, so yeah
doing them in process context is the best thing to do.
next prev parent reply other threads:[~2004-07-23 7:28 UTC|newest]
Thread overview: 271+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-09 18:26 [announce] [patch] Voluntary Kernel Preemption Patch Ingo Molnar
2004-07-09 19:51 ` Christoph Hellwig
2004-07-09 23:50 ` Andrea Arcangeli
2004-07-10 0:52 ` Andrea Arcangeli
2004-07-10 1:02 ` Dave Jones
2004-07-12 10:17 ` Takashi Iwai
2004-07-12 19:36 ` Andrea Arcangeli
2004-07-13 7:43 ` Takashi Iwai
2004-07-10 6:32 ` Arjan van de Ven
2004-07-10 7:57 ` Ingo Molnar
2004-07-10 8:10 ` ismail dönmez
2004-07-10 8:28 ` Ingo Molnar
2004-07-19 10:36 ` [patch] voluntary-preempt 2.6.8-rc2-H4 Ingo Molnar
2004-07-20 1:38 ` Ramón Rey Vicente
2004-07-20 6:02 ` Ingo Molnar
2004-07-10 15:36 ` [announce] [patch] Voluntary Kernel Preemption Patch Andrea Arcangeli
2004-07-10 12:48 ` Ingo Molnar
2004-07-10 15:12 ` Con Kolivas
2004-07-10 15:14 ` Arjan van de Ven
2004-07-10 15:18 ` Con Kolivas
2004-07-11 7:07 ` Zwane Mwaikambo
2004-07-11 7:09 ` Con Kolivas
2004-07-11 7:16 ` [announce] [patch] " Zwane Mwaikambo
2004-07-11 9:18 ` Ingo Molnar
2004-07-11 9:29 ` Con Kolivas
2004-07-10 16:18 ` [announce] [patch] " Con Kolivas
2004-07-11 6:47 ` [ck] " Ingo Molnar
2004-07-11 6:59 ` Con Kolivas
2004-07-11 11:18 ` R. J. Wysocki
2004-07-11 7:09 ` [ck] Re: [announce] [patch] " Zwane Mwaikambo
2004-07-11 14:27 ` Con Kolivas
2004-07-11 14:29 ` Con Kolivas
2004-07-11 14:38 ` Ingo Molnar
2004-07-11 17:29 ` André Goddard Rosa
2004-07-11 17:49 ` Grzegorz Kulewski
2004-07-11 21:20 ` Con Kolivas
2004-07-11 21:25 ` Grzegorz Kulewski
2004-07-11 20:17 ` Ingo Molnar
2004-07-12 8:23 ` Voluntary Preemption + concurent games Aivils
2004-07-12 9:51 ` Con Kolivas
2004-07-12 10:45 ` Lenar Lõhmus
2004-07-12 11:52 ` Aivils
2004-07-12 13:35 ` Nick Piggin
2004-07-12 14:15 ` [ck] Re: [announce] [patch] Voluntary Kernel Preemption Patch Chris Friesen
2004-07-12 14:19 ` Ingo Molnar
2004-07-10 15:58 ` Andrea Arcangeli
2004-07-09 21:13 ` Redeeman
2004-07-10 8:02 ` Ingo Molnar
2004-07-10 8:50 ` Ingo Molnar
2004-07-10 10:55 ` ismail dönmez
2004-07-10 11:26 ` Arjan van de Ven
2004-07-10 12:01 ` ismail dönmez
2004-07-10 12:05 ` Arjan van de Ven
2004-07-10 12:09 ` Nick Piggin
2004-07-10 12:35 ` Ingo Molnar
2004-07-10 12:58 ` ismail dönmez
2004-07-10 13:55 ` Ingo Molnar
2004-07-10 14:45 ` Nick Piggin
2004-07-10 14:57 ` ismail dönmez
2004-07-12 10:48 ` Takashi Iwai
2004-07-12 13:09 ` ismail dönmez
2004-07-12 13:14 ` Takashi Iwai
2004-07-09 21:36 ` Torrey Hoffman
2004-07-10 8:23 ` Ingo Molnar
2004-07-10 1:00 ` Con Kolivas
2004-07-10 1:04 ` Dave Jones
2004-07-10 12:55 ` Ingo Molnar
2004-07-11 5:25 ` Andrew Morton
2004-07-11 9:32 ` Ingo Molnar
2004-07-11 9:45 ` Andrew Morton
2004-07-11 9:50 ` Ingo Molnar
2004-07-11 9:58 ` Andrew Morton
2004-07-11 10:30 ` Ingo Molnar
2004-07-11 10:42 ` Andrew Morton
2004-07-11 10:59 ` Arjan van de Ven
2004-07-11 11:13 ` Andrew Morton
2004-07-11 18:07 ` Mikulas Patocka
2004-07-12 7:08 ` Zwane Mwaikambo
2004-07-19 10:20 ` Ingo Molnar
2004-07-11 23:12 ` Robert Love
2004-07-12 22:40 ` Bill Davidsen
2004-07-12 13:24 ` John Stoffel
2004-07-12 22:56 ` [linux-audio-dev] " Lee Revell
2004-07-12 23:31 ` Andrew Morton
2004-07-12 23:58 ` Paul Davis
2004-07-13 0:06 ` Andrew Morton
2004-07-13 0:21 ` Con Kolivas
2004-07-13 1:01 ` [linux-audio-dev] Re: [announce] [patch] " Lee Revell
2004-07-13 7:49 ` Takashi Iwai
2004-07-13 8:12 ` Lee Revell
2004-07-13 0:01 ` Paul Davis
2004-07-13 0:08 ` Andrew Morton
2004-07-13 16:25 ` Andrea Arcangeli
2004-07-13 18:42 ` Lee Revell
2004-07-13 21:29 ` Andrew Morton
2004-07-13 21:45 ` Lee Revell
2004-07-14 8:51 ` Takashi Iwai
2004-07-14 9:36 ` Lee Revell
2004-07-14 10:48 ` Takashi Iwai
2004-07-14 14:52 ` Lee Revell
2004-07-14 16:29 ` Lee Revell
2004-07-14 10:26 ` Benno Senoner
2004-07-13 18:48 ` Andrew Morton
2004-07-13 21:38 ` Andrea Arcangeli
2004-07-13 21:54 ` Andrew Morton
2004-07-13 22:01 ` Andrea Arcangeli
2004-07-13 22:25 ` Andrew Morton
2004-07-13 22:37 ` Andrea Arcangeli
2004-07-13 22:44 ` Andrew Morton
2004-07-13 22:53 ` Andrea Arcangeli
2004-07-13 23:06 ` Andrew Morton
2004-07-13 23:18 ` Andrea Arcangeli
2004-07-13 23:32 ` Andrew Morton
2004-07-14 0:40 ` Andrea Arcangeli
2004-07-14 0:45 ` Andrew Morton
2004-07-19 11:59 ` Ingo Molnar
2004-09-02 22:03 ` Andrea Arcangeli
2004-09-02 22:20 ` Andrew Morton
2004-09-02 23:03 ` Ingo Molnar
2004-09-02 23:21 ` Ingo Molnar
2004-07-13 7:58 ` Takashi Iwai
2004-07-13 0:17 ` Lee Revell
2004-07-13 0:46 ` Andrew Morton
2004-07-13 2:52 ` Lee Revell
2004-07-13 3:59 ` Andrew Morton
2004-07-13 7:57 ` Lee Revell
2004-07-19 10:48 ` Ingo Molnar
2004-07-19 11:34 ` Ingo Molnar
2004-07-20 5:38 ` Lee Revell
2004-07-20 6:12 ` Ingo Molnar
2004-07-20 6:59 ` Lee Revell
2004-07-20 7:11 ` Ingo Molnar
[not found] ` <200407202011.20558.musical_snake@gmx.de>
2004-07-20 19:56 ` Lee Revell
2004-07-20 23:49 ` Benno Senoner
2004-07-21 0:32 ` [linux-audio-dev] " Lee Revell
2004-07-21 1:25 ` Timothy Miller
2004-07-21 21:38 ` Another dumb question about " Timothy Miller
2004-07-24 0:25 ` Lee Revell
2004-07-25 20:19 ` Timothy Miller
2004-07-25 20:13 ` Lee Revell
2004-07-21 10:53 ` [linux-audio-dev] Re: [announce] [patch] " Florian Schmidt
2004-07-21 11:18 ` Thomas Charbonnel
2004-07-21 12:04 ` pci gfx card / jack xruns / pci latencies (was: Re: [linux-audio-dev] Re: [announce] [patch] Voluntary Kernel Preemption Patch) Florian Schmidt
2004-07-21 17:49 ` [linux-audio-dev] Re: [announce] [patch] Voluntary Kernel Preemption Patch Fernando Pablo Lopez-Lezcano
2004-07-22 22:25 ` Andrew McGregor
2004-07-22 23:16 ` Florian Schmidt
2004-07-21 14:27 ` Benno Senoner
2004-07-20 12:19 ` Jens Axboe
2004-07-20 21:32 ` Lee Revell
2004-07-24 4:07 ` Lee Revell
2004-07-24 5:46 ` Lee Revell
2004-07-24 6:33 ` Lee Revell
2004-07-24 6:43 ` Ingo Molnar
2004-07-24 22:49 ` Lee Revell
2004-07-24 23:30 ` Lee Revell
2004-07-24 11:27 ` max request size 1024KiB by default? Rudo Thomas
2004-07-24 22:58 ` Lee Revell
2004-07-26 19:29 ` Johannes Stezenbach
2004-07-27 5:15 ` Jens Axboe
2004-07-24 12:41 ` [linux-audio-dev] Re: [announce] [patch] Voluntary Kernel Preemption Patch Mark Lord
2004-07-24 4:58 ` Lee Revell
2004-07-13 8:31 ` Lee Revell
2004-07-13 8:43 ` Andrew Morton
2004-07-13 8:53 ` Lee Revell
2004-07-13 9:00 ` Andrew Morton
2004-07-13 9:21 ` Takashi Iwai
2004-07-13 9:25 ` Andrew Morton
2004-07-13 9:33 ` Takashi Iwai
2004-07-13 9:44 ` Andrew Morton
2004-07-13 9:23 ` Lee Revell
2004-07-13 9:29 ` Andrew Morton
2004-07-13 20:37 ` Lee Revell
2004-07-13 22:32 ` Lee Revell
2004-07-13 8:07 ` Takashi Iwai
2004-07-13 22:40 ` Bill Davidsen
2004-07-13 23:47 ` Randy.Dunlap
2004-07-19 10:29 ` Ingo Molnar
2004-07-21 3:27 ` Lee Revell
2004-07-21 7:03 ` Andrew Morton
2004-07-21 4:58 ` Lee Revell
2004-07-21 5:30 ` Ingo Molnar
2004-07-21 6:03 ` Lee Revell
2004-07-21 8:22 ` Ingo Molnar
2004-07-21 8:52 ` Ingo Molnar
2004-07-21 11:32 ` Nick Piggin
2004-07-21 15:44 ` Ingo Molnar
2004-07-22 4:56 ` Nick Piggin
2004-07-22 7:07 ` Ingo Molnar
2004-07-22 10:54 ` Nick Piggin
2004-07-22 16:23 ` Ingo Molnar
2004-07-22 22:11 ` Nick Piggin
2004-07-23 5:47 ` Ingo Molnar
2004-07-23 6:45 ` Nick Piggin
2004-07-23 6:55 ` Ingo Molnar
2004-07-23 7:11 ` Nick Piggin
2004-07-23 7:21 ` Ingo Molnar
2004-07-23 7:28 ` Nick Piggin [this message]
2004-07-21 18:34 ` Scott Wood
2004-07-21 18:46 ` Ingo Molnar
2004-07-21 19:56 ` Scott Wood
2004-07-21 21:08 ` Ingo Molnar
2004-07-22 2:47 ` Scott Wood
2004-07-21 21:45 ` Ingo Molnar
2004-07-22 2:28 ` Scott Wood
2004-07-22 7:40 ` Ingo Molnar
2004-07-22 18:53 ` Scott Wood
2004-07-22 19:45 ` Bill Huey
2004-07-28 6:45 ` Ingo Molnar
2004-07-28 20:52 ` Scott Wood
2004-07-29 18:21 ` Ingo Molnar
2004-07-29 18:36 ` Bill Huey
2004-07-29 19:17 ` Scott Wood
2004-07-29 19:25 ` Bill Huey
2004-07-30 2:23 ` Eric St-Laurent
2004-07-29 20:26 ` Pavel Machek
2004-07-29 20:57 ` Scott Wood
2004-07-29 21:00 ` Pavel Machek
2004-07-29 21:07 ` Ingo Molnar
2004-07-21 22:52 ` Nick Piggin
2004-07-21 18:32 ` Scott Wood
2004-07-21 20:40 ` Ingo Molnar
2004-07-21 18:30 ` Scott Wood
2004-07-21 18:43 ` Ingo Molnar
2004-07-22 2:32 ` Scott Wood
2004-07-22 9:51 ` Ingo Molnar
2004-07-22 18:36 ` Scott Wood
2004-07-22 19:11 ` Robert Love
2004-07-21 21:00 ` Scott Wood
2004-07-21 21:18 ` Ingo Molnar
2004-07-21 22:14 ` Bill Huey
2004-07-21 22:31 ` Bill Huey
2004-07-21 22:37 ` Scott Wood
2004-07-22 10:06 ` [patch] voluntary-preempt-2.6.8-rc2-H9 Ingo Molnar
2004-07-22 16:00 ` scheduling while atomic (Re: voluntary-preempt-2.6.8-rc2-H9) Rudo Thomas
2004-07-22 16:19 ` Ingo Molnar
2004-07-22 17:24 ` voluntary-preempt I0: sluggish feel Rudo Thomas
2004-07-22 17:52 ` Matt Heler
2004-07-22 17:54 ` Rudo Thomas
2004-07-22 18:01 ` Ingo Molnar
2004-07-22 18:08 ` Ingo Molnar
2004-07-22 18:14 ` Ingo Molnar
2004-07-22 18:37 ` Rudo Thomas
2004-07-23 10:42 ` [patch] voluntary-preempt-2.6.8-rc2-I3 Ingo Molnar
2004-07-23 10:58 ` Paolo Ciarrocchi
2004-07-23 11:04 ` Ingo Molnar
2004-07-23 11:28 ` [patch] voluntary-preempt-2.6.8-rc2-I4 Ingo Molnar
2004-07-24 0:16 ` Lee Revell
2004-07-23 11:42 ` [patch] voluntary-preempt-2.6.8-rc2-I3 Paolo Ciarrocchi
2004-07-23 12:00 ` Ingo Molnar
2004-07-23 15:36 ` Dang, Linh [CAR:2X23:EXCH]
2004-07-23 23:48 ` Thomas Charbonnel
2004-07-26 11:10 ` Ingo Molnar
2004-07-26 12:27 ` Thomas Charbonnel
2004-07-22 18:31 ` voluntary-preempt I0: sluggish feel Robert Love
2004-07-22 18:32 ` Rudo Thomas
2004-07-22 18:38 ` Ingo Molnar
2004-07-22 18:00 ` Ingo Molnar
2004-07-21 6:07 ` [linux-audio-dev] Re: [announce] [patch] Voluntary Kernel Preemption Patch Lee Revell
2004-07-21 10:14 ` Roger Luethi
2004-07-13 0:58 ` Jan Depner
2004-07-13 1:00 ` Andrew Morton
2004-07-13 3:31 ` Florin Andrei
2004-07-13 6:31 ` Paul Winkler
2004-07-13 13:26 ` Benno Senoner
2004-07-13 14:50 ` Paul Davis
2004-07-13 19:45 ` Lee Revell
2004-07-13 22:17 ` Bill Davidsen
2004-07-16 4:50 ` Florin Andrei
2004-07-16 12:49 ` Takashi Iwai
2004-07-13 21:53 ` Timothy Miller
-- strict thread matches above, loose matches on Subject: below --
2004-07-13 15:16 [linux-audio-dev] " Shane Shrybman
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