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From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
	ktkhai@parallels.com
Subject: Re: sched_setscheduler() vs idle_balance() race
Date: Thu, 28 May 2015 16:54:26 +0200	[thread overview]
Message-ID: <1432824866.3237.198.camel@gmail.com> (raw)
In-Reply-To: <20150528135355.GK3644@twins.programming.kicks-ass.net>

On Thu, 2015-05-28 at 15:53 +0200, Peter Zijlstra wrote:

> Say, how easy can that thing be reproduced?

It doesn't seem to take the reporter very long to blow their box up.
What they're doing must be pretty darn uncommon though.

I have the source to a test application, no destructions to go with it
though, and little time to play around.  It has to be installed and
whatnot, it's not the desired make-it-go-boom.c.

> The below is compile tested only, but it might just work if I didn't
> miss anything :-)

I'll take it for a spin, and take a peek at the application.

	-Mike


  reply	other threads:[~2015-05-28 14:54 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-28  7:43 sched_setscheduler() vs idle_balance() race Mike Galbraith
2015-05-28 11:51 ` Peter Zijlstra
2015-05-28 12:04   ` Mike Galbraith
2015-05-28 12:06     ` Peter Zijlstra
2015-05-28 12:32       ` Mike Galbraith
2015-05-28 13:53 ` Peter Zijlstra
2015-05-28 14:54   ` Mike Galbraith [this message]
2015-05-28 15:24     ` Peter Zijlstra
2015-05-29 18:30       ` Mike Galbraith
2015-05-29 18:48         ` Mike Galbraith
2015-06-01  8:14           ` Peter Zijlstra
2015-06-01  8:16         ` Peter Zijlstra
2015-06-01 10:00           ` Mike Galbraith
2015-05-28 16:59   ` Kirill Tkhai
2015-05-30 13:08   ` Mike Galbraith
2015-05-31  6:39     ` Mike Galbraith
2015-06-01  8:24       ` Peter Zijlstra
2015-06-01  8:19     ` Peter Zijlstra

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