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Date:   Mon, 13 May 2019 10:10:52 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     "Paul E. McKenney" <paulmck@linux.ibm.com>
Cc:     Steven Rostedt <rostedt@goodmis.org>, linux-kernel@vger.kernel.org,
        andrea.parri@amarulasolutions.com,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>,
        Juri Lelli <juri.lelli@redhat.com>,
        Morten Rasmussen <morten.rasmussen@arm.com>, joelaf@google.com,
        Vincent Guittot <vincent.guittot@linaro.org>,
        Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: Re: Question about sched_setaffinity()
Message-ID: <20190513081052.GJ2623@hirez.programming.kicks-ass.net>
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On Fri, May 10, 2019 at 04:07:42PM -0700, Paul E. McKenney wrote:
> > The below trace explain the issue. Some Paul person did it, see below.
> > It's broken per construction :-)
> 
> *facepalm*  Hence the very strange ->cpus_allowed mask.  I really
> should have figured that one out.

I guess it's called a torture framework for a reason ;-)