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Date:   Mon, 25 May 2020 16:17:11 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Frederic Weisbecker <frederic@...nel.org>
Cc:     Qian Cai <cai@....pw>, "Paul E. McKenney" <paulmck@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        Borislav Petkov <bp@...en8.de>
Subject: Re: Endless soft-lockups for compiling workload since next-20200519

On Mon, May 25, 2020 at 03:21:05PM +0200, Peter Zijlstra wrote:
> -	flags = atomic_fetch_andnot(NOHZ_KICK_MASK, nohz_flags(this_cpu));
> -	if (!(flags & NOHZ_KICK_MASK))
> +	if (idle != CPU_IDLE)
>  		return false;
>  
>  	_nohz_idle_balance(this_rq, flags, idle);

Bah, I think I broke something there. Lemme go mend.

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