linux-kernel - Re: [PATCH 4/6] rcu/nocb: Create kthreads on all CPUs if "rcu_nocb=" or "nohz

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Date:   Tue, 23 Nov 2021 17:28:14 +0000
From:   Juri Lelli <juri.lelli@...hat.com>
To:     Frederic Weisbecker <frederic@...nel.org>
Cc:     "Paul E . McKenney" <paulmck@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Uladzislau Rezki <urezki@...il.com>,
        Neeraj Upadhyay <quic_neeraju@...cinc.com>,
        Boqun Feng <boqun.feng@...il.com>,
        Josh Triplett <josh@...htriplett.org>,
        Joel Fernandes <joel@...lfernandes.org>, rcu@...r.kernel.org
Subject: Re: [PATCH 4/6] rcu/nocb: Create kthreads on all CPUs if "rcu_nocb="
 or "nohz_full=" are passed

Hi,

On 23/11/21 01:37, Frederic Weisbecker wrote:
> In order to be able to (de-)offload any CPU using cpuset in the future,
> create a NOCB kthread for all possible CPUs. For now this is done only
> as long as the "rcu_nocb=" or "nohz_full=" kernel parameters are passed

Super nitpick! In subject and above sentence, "rcu_nocb=" is actually
"rcu_nocbs=", isn't it?

Feel free to ignore the noise, of course. :)

Best,
Juri