linux-kernel - Re: [PATCH 3/6] sched/isolation: Isolate workqueues when "nohz

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Message-ID: <20180209065544.6ywka67hwerdrtvt@gmail.com>
Date:   Fri, 9 Feb 2018 07:55:44 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Frederic Weisbecker <frederic@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Chris Metcalf <cmetcalf@...lanox.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Luiz Capitulino <lcapitulino@...hat.com>,
        Christoph Lameter <cl@...ux.com>,
        "Paul E . McKenney" <paulmck@...ux.vnet.ibm.com>,
        Wanpeng Li <kernellwp@...il.com>,
        Mike Galbraith <efault@....de>, Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH 3/6] sched/isolation: Isolate workqueues when
 "nohz_full=" is set


* Frederic Weisbecker <frederic@...nel.org> wrote:

> -	flags = HK_FLAG_TICK | HK_FLAG_TIMER | HK_FLAG_RCU | HK_FLAG_MISC;
> +	flags = HK_FLAG_TICK | HK_FLAG_WQ | HK_FLAG_TIMER |
> +		HK_FLAG_RCU | HK_FLAG_MISC;

> -	cpumask_copy(wq_unbound_cpumask, housekeeping_cpumask(HK_FLAG_DOMAIN));
> +	cpumask_copy(wq_unbound_cpumask,
> +		     housekeeping_cpumask(HK_FLAG_DOMAIN | HK_FLAG_WQ));

LGTM, but _please_ don't do these ugly line-breaks, just keep it slightly over 
col80.

Thanks,

	Ingo