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From: Thomas Gleixner <tglx@linutronix.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Diego Viola <diego.viola@gmail.com>,
	linux-kernel@vger.kernel.org, len.brown@intel.com,
	rui.zhang@intel.com, "Rafael J. Wysocki" <rjw@rjwysocki.net>
Subject: Re: Experiencing freezes with kernel 4.16.3 on a desktop with E5500 CPU (bisect included)
Date: Tue, 24 Apr 2018 11:06:19 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.21.1804241105180.5261@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20180423164425.GS4129@hirez.programming.kicks-ass.net>

On Mon, 23 Apr 2018, Peter Zijlstra wrote:

> On Mon, Apr 23, 2018 at 05:58:01PM +0200, Peter Zijlstra wrote:
> > Thomas, we could not find the de-rate stuff, but the above can be
> > simplified; what happens is:
> > 
> > 	cs->flags |= UNSTABLE;
> > 	schedule_work(&watchdog_work)
> > 	  kthread_run(clocksource_watchdog_kthread)
> 
> Also, Thomas, do you remember why we spawn a short running kthread from
> a work ? Can't we simply run the whole thing from the worker thread?

No. I think we did it directly in the early days and then it was changed to
that worker/thread stuff for whatever reason. I need to do git archaeology.

Thanks,

	tglx

      reply	other threads:[~2018-04-24  9:06 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-22  2:19 Diego Viola
2018-04-22 17:47 ` Diego Viola
2018-04-22 18:24   ` Diego Viola
2018-04-23  9:16 ` Peter Zijlstra
2018-04-23  9:27   ` Rafael J. Wysocki
2018-04-23 11:23   ` Diego Viola
2018-04-23 11:48     ` Peter Zijlstra
2018-04-23 11:49       ` Diego Viola
2018-04-23 12:38         ` Peter Zijlstra
2018-04-23 12:49           ` Diego Viola
2018-04-23 13:24             ` Diego Viola
2018-04-23 14:00           ` Peter Zijlstra
2018-04-23 14:02             ` Diego Viola
2018-04-23 15:10             ` Peter Zijlstra
2018-04-23 16:12               ` Diego Viola
2018-04-23 15:58           ` Peter Zijlstra
2018-04-23 16:44             ` Peter Zijlstra
2018-04-24  9:06               ` Thomas Gleixner [this message]

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