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From: Tejun Heo <tj@kernel.org>
To: Mike Galbraith <umgwanakikbuti@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Michal Hocko <mhocko@kernel.org>, Jiri Slaby <jslaby@suse.cz>,
	Thomas Gleixner <tglx@linutronix.de>,
	Petr Mladek <pmladek@suse.com>, Jan Kara <jack@suse.cz>,
	Ben Hutchings <ben@decadent.org.uk>,
	Sasha Levin <sasha.levin@oracle.com>, Shaohua Li <shli@fb.com>,
	LKML <linux-kernel@vger.kernel.org>,
	stable <stable@vger.kernel.org>,
	Daniel Bilik <daniel.bilik@neosystem.cz>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: Crashes with 874bbfe600a6 in 3.18.25
Date: Tue, 9 Feb 2016 13:27:57 -0500	[thread overview]
Message-ID: <20160209182757.GD3741@mtj.duckdns.org> (raw)
In-Reply-To: <1455040955.3604.15.camel@gmail.com>

Hello, Mike.

On Tue, Feb 09, 2016 at 07:02:35PM +0100, Mike Galbraith wrote:
> > It doesn't do anything unless the user twiddles the mask to exclude
> > certain (think no_hz_full) CPUs, so there are no clueless victims.
> 
> (a plus: testers/robots can twiddle mask to help find bugs, _and_
> nohz_full people can use it if they so choose)

Ah, yeah, it makes sense then.  I'm gonna play with a bit and add a
debug option to always force the behavior.

Thanks.

-- 
tejun

  reply	other threads:[~2016-02-09 18:28 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-20 21:19 Crashes with 874bbfe600a6 in 3.18.25 Jan Kara
2016-01-20 21:39 ` Shaohua Li
2016-01-21  9:52   ` Jan Kara
2016-01-21 13:29     ` Sasha Levin
2016-01-22  1:10     ` Sasha Levin
2016-01-22 16:09       ` Tejun Heo
2016-01-23  2:20         ` Ben Hutchings
2016-01-23 16:11           ` Thomas Gleixner
2016-01-26  9:34             ` Jan Kara
2016-01-26  9:49               ` Thomas Gleixner
2016-01-26 11:14               ` Petr Mladek
2016-01-26 13:09                 ` Thomas Gleixner
2016-02-03  9:35                   ` Jiri Slaby
2016-02-03 10:41                     ` Thomas Gleixner
2016-02-03 12:28                     ` Michal Hocko
2016-02-03 16:24                       ` Tejun Heo
2016-02-03 16:48                         ` Michal Hocko
2016-02-03 16:59                           ` Tejun Heo
2016-02-04  6:37                             ` Michal Hocko
2016-02-04  7:40                               ` Michal Hocko
2016-02-03 17:01                         ` Mike Galbraith
2016-02-03 17:06                           ` Tejun Heo
2016-02-03 17:13                             ` Mike Galbraith
2016-02-03 17:15                               ` Tejun Heo
2016-02-04  2:00                             ` Mike Galbraith
2016-02-05 16:49                               ` Tejun Heo
2016-02-05 20:47                                 ` Mike Galbraith
2016-02-05 20:54                                   ` Tejun Heo
2016-02-05 20:59                                     ` Mike Galbraith
2016-02-05 21:06                                       ` Tejun Heo
2016-02-06 13:07                                         ` Henrique de Moraes Holschuh
2016-02-07  5:19                                           ` Mike Galbraith
2016-02-07  5:59                                             ` Mike Galbraith
2016-02-09 15:31                                         ` Mike Galbraith
2016-02-09 16:39                                           ` Linus Torvalds
2016-02-09 16:50                                             ` Tejun Heo
2016-02-09 17:04                                               ` Mike Galbraith
2016-02-09 17:54                                                 ` Tejun Heo
2016-02-09 17:56                                                   ` Mike Galbraith
2016-02-09 18:02                                                     ` Mike Galbraith
2016-02-09 18:27                                                       ` Tejun Heo [this message]
2016-02-09 17:04                                               ` Linus Torvalds
2016-02-09 17:51                                                 ` Tejun Heo
2016-02-09 18:06                                                   ` Linus Torvalds
2016-02-04 10:04                             ` Mike Galbraith
2016-02-04 10:46                               ` Thomas Gleixner
2016-02-04 11:07                                 ` Mike Galbraith
2016-02-04 11:20                                 ` Jan Kara
2016-02-04 16:39                                   ` Daniel Bilik
2016-02-05  2:40                                     ` Mike Galbraith
2016-02-05  8:11                                       ` Daniel Bilik
2016-02-05  8:33                                         ` Mike Galbraith
2016-02-03 18:46                         ` Thomas Gleixner
2016-02-03 19:01                           ` Tejun Heo
2016-02-03 19:05                             ` Thomas Gleixner
2016-02-03 19:15                               ` Tejun Heo
2016-02-05  5:44                         ` Mike Galbraith

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