From: Ingo Molnar <mingo@elte.hu>
To: Mike Galbraith <efault@gmx.de>
Cc: Yong Zhang <yong.zhang0@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
samu.p.onkalo@nokia.com,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
tglx <tglx@linutronix.de>
Subject: Re: Bug in scheduler when using rt_mutex
Date: Wed, 19 Jan 2011 08:19:17 +0100 [thread overview]
Message-ID: <20110119071917.GA26086@elte.hu> (raw)
In-Reply-To: <1295419041.8017.120.camel@marge.simson.net>
* Mike Galbraith <efault@gmx.de> wrote:
> On Wed, 2011-01-19 at 14:09 +0800, Yong Zhang wrote:
> > On Wed, Jan 19, 2011 at 1:40 PM, Mike Galbraith <efault@gmx.de> wrote:
> > > On Wed, 2011-01-19 at 12:35 +0800, Yong Zhang wrote:
> > >
> > >> cfs_rq->curr != se is always true.
> > >
> > > If that were always true, we'd illegally enqueue a running task.
> >
> > I'm sorry that I'm not express myself correctly.
>
> Human communication methods are all buggy as hell :)
Not to mention that they are slow, inefficient and ambiguous.
But wht did you expect? The original authors of the code are long gone and
maintenance is done by newcomers who are patching the code bit by bit. What
you get from such a development model is pretty predictable: ~1 billion years
old spaghetti DNA that no-one truly understands.
Ingo
next prev parent reply other threads:[~2011-01-19 7:19 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-17 14:42 Bug in scheduler when using rt_mutex Onkalo Samu
2011-01-17 15:00 ` Peter Zijlstra
2011-01-17 15:15 ` samu.p.onkalo
2011-01-17 15:28 ` Peter Zijlstra
2011-01-17 16:00 ` Peter Zijlstra
2011-01-18 8:23 ` Onkalo Samu
2011-01-18 8:59 ` Yong Zhang
2011-01-18 13:35 ` Peter Zijlstra
2011-01-18 14:25 ` Onkalo Samu
2011-01-19 2:38 ` Yong Zhang
2011-01-19 3:43 ` Mike Galbraith
2011-01-19 4:35 ` Yong Zhang
2011-01-19 5:40 ` Mike Galbraith
2011-01-19 6:09 ` Yong Zhang
2011-01-19 6:37 ` Mike Galbraith
2011-01-19 7:19 ` Ingo Molnar [this message]
2011-01-19 7:41 ` Mike Galbraith
2011-01-19 9:44 ` Peter Zijlstra
2011-01-19 10:38 ` Peter Zijlstra
2011-01-19 11:30 ` Peter Zijlstra
2011-01-19 12:58 ` Onkalo Samu
2011-01-19 13:13 ` Onkalo Samu
2011-01-19 13:30 ` Peter Zijlstra
2011-01-20 4:18 ` Yong Zhang
2011-01-20 4:27 ` Yong Zhang
2011-01-20 5:32 ` Yong Zhang
2011-01-20 4:59 ` Mike Galbraith
2011-01-20 5:30 ` Yong Zhang
2011-01-20 6:12 ` Mike Galbraith
2011-01-20 7:06 ` Yong Zhang
2011-01-20 8:37 ` Mike Galbraith
2011-01-20 9:07 ` Yong Zhang
2011-01-20 10:07 ` Mike Galbraith
2011-01-21 11:08 ` Peter Zijlstra
2011-01-21 12:24 ` Yong Zhang
2011-01-21 13:40 ` Peter Zijlstra
2011-01-21 15:03 ` Yong Zhang
2011-01-21 15:10 ` Peter Zijlstra
2011-01-21 13:15 ` Yong Zhang
2011-01-20 7:07 ` Onkalo Samu
2011-01-21 6:25 ` Onkalo Samu
2011-01-20 3:10 ` Yong Zhang
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