From: Ingo Molnar <mingo@elte.hu>
To: David Miller <davem@davemloft.net>
Cc: a.p.zijlstra@chello.nl, efault@gmx.de, elendil@planet.nl,
parag.warudkar@gmail.com, linux-kernel@vger.kernel.org,
guichaz@yahoo.fr, andi@firstfloor.org
Subject: Re: 'global' rq->clock
Date: Sat, 3 May 2008 21:37:01 +0200 [thread overview]
Message-ID: <20080503193701.GA25097@elte.hu> (raw)
In-Reply-To: <20080503.122734.01023096.davem@davemloft.net>
* David Miller <davem@davemloft.net> wrote:
> From: Ingo Molnar <mingo@elte.hu>
> Date: Sat, 3 May 2008 12:10:16 +0200
>
> > ( although please note that the growing generalization that goes on
> > _did_ find a subtle nohz problem on sparc64 early in the merge
> > window, so it's not like these changes are totally useless to you.
> > )
>
> Note that this bug theoretically exists on every platform, even x86,
> and only sparc64 is fixed at the moment by adding the
> irq_{entry,exit}() guards around all of it's IPI handlers.
>
> Just a reminder.
yeah, indeed - it's masked on x86 by the suckiness of most clockevents
hw timers. We dont get unlimited sleep time like sparc64 does :-/
Ingo
next prev parent reply other threads:[~2008-05-03 19:37 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-02 0:14 Horrendous Audio Stutter - current git Parag Warudkar
2008-05-02 8:34 ` Peter Zijlstra
2008-05-02 10:32 ` Frans Pop
2008-05-02 10:35 ` Peter Zijlstra
2008-05-02 11:08 ` Peter Zijlstra
2008-05-02 11:37 ` Frans Pop
2008-05-02 11:39 ` Peter Zijlstra
2008-05-02 11:45 ` Frans Pop
2008-05-02 11:51 ` Peter Zijlstra
2008-05-02 12:06 ` Frans Pop
2008-05-02 12:22 ` Parag Warudkar
2008-05-02 13:21 ` Dhaval Giani
2008-05-02 11:10 ` Parag Warudkar
2008-05-02 12:09 ` Mike Galbraith
2008-05-02 12:21 ` Parag Warudkar
2008-05-02 12:37 ` Mike Galbraith
2008-05-02 15:02 ` Mike Galbraith
2008-05-02 15:49 ` Frans Pop
2008-05-02 18:53 ` Frans Pop
2008-05-02 19:27 ` Mike Galbraith
2008-05-02 19:56 ` 'global' rq->clock (was Re: Horrendous Audio Stutter - current git) Peter Zijlstra
2008-05-02 20:38 ` Guillaume Chazarain
2008-05-02 20:46 ` Peter Zijlstra
2008-05-02 22:00 ` 'global' rq->clock David Miller
2008-05-02 21:48 ` David Miller
2008-05-02 10:09 ` Arjan van de Ven
2008-05-04 12:12 ` Peter Zijlstra
2008-05-02 22:07 ` Peter Zijlstra
2008-05-03 8:28 ` Ingo Molnar
2008-05-03 9:05 ` David Miller
2008-05-03 10:10 ` Ingo Molnar
2008-05-03 19:27 ` David Miller
2008-05-03 19:37 ` Ingo Molnar [this message]
2008-05-03 22:30 ` Benjamin Herrenschmidt
2008-05-03 22:38 ` Ingo Molnar
2008-05-03 23:04 ` David Miller
2008-05-03 23:36 ` David Miller
2008-05-03 23:38 ` Ingo Molnar
2008-05-03 23:40 ` David Miller
2008-05-03 23:47 ` Ingo Molnar
2008-05-04 2:22 ` Benjamin Herrenschmidt
2008-05-03 19:28 ` David Miller
2008-05-03 19:39 ` Ingo Molnar
2008-05-03 6:20 ` 'global' rq->clock (was Re: Horrendous Audio Stutter - current git) Mike Galbraith
2008-05-02 19:38 ` Horrendous Audio Stutter - current git Mike Galbraith
2008-05-03 7:13 ` Frans Pop
2008-05-03 7:39 ` Mike Galbraith
2008-05-07 8:26 ` Frans Pop
2008-05-07 8:32 ` Ingo Molnar
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