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From: Thomas Gleixner <tglx@kernel.org>
To: Jing Wu <realwujing@gmail.com>, Ingo Molnar <mingo@redhat.com>, Peter
 Zijlstra <peterz@infradead.org>, Juri Lelli <juri.lelli@redhat.com>,
 Vincent Guittot <vincent.guittot@linaro.org>, Dietmar Eggemann
 <dietmar.eggemann@arm.com>, Steven Rostedt <rostedt@goodmis.org>, Ben
 Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>, Valentin
 Schneider <vschneid@redhat.com>, "Paul E. McKenney" <paulmck@kernel.org>,
 Frederic Weisbecker <frederic@kernel.org>, Neeraj Upadhyay
 <neeraj.upadhyay@kernel.org>, Joel Fernandes <joelagnelf@nvidia.com>, Josh
 Triplett <josh@joshtriplett.org>, Boqun Feng <boqun@kernel.org>,
 Uladzislau Rezki <urezki@gmail.com>, Mathieu Desnoyers
 <mathieu.desnoyers@efficios.com>, Lai Jiangshan <jiangshanlai@gmail.com>,
 Zqiang <qiang.zhang@linux.dev>, Anna-Maria Behnsen
 <anna-maria@linutronix.de>, Tejun Heo <tj@kernel.org>, Jonathan Corbet
 <corbet@lwn.net>, Shuah Khan <skhan@linuxfoundation.org>, Shuah Khan
 <shuah@kernel.org>
Cc: linux-kernel@vger.kernel.org, rcu@vger.kernel.org,
 cgroups@vger.kernel.org, linux-doc@vger.kernel.org,
 linux-kselftest@vger.kernel.org, Jing Wu <realwujing@gmail.com>, Qiliang
 Yuan <yuanql9@chinatelecom.cn>
Subject: Re: [PATCH v3 11/13] cgroup/cpuset: Extend isolated partition to
 trigger kernel-noise isolation
In-Reply-To: <20260618-wujing-dhm-v3-11-28f1a4d83b68@gmail.com>
References: <20260618-wujing-dhm-v3-0-28f1a4d83b68@gmail.com>
 <20260618-wujing-dhm-v3-11-28f1a4d83b68@gmail.com>
Date: Thu, 18 Jun 2026 22:55:16 +0200
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On Thu, Jun 18 2026 at 11:11, Jing Wu wrote:
>  
>  	if (update_housekeeping) {
> +		static const unsigned long noise_types =
> +			BIT(HK_TYPE_KERNEL_NOISE) | BIT(HK_TYPE_MANAGED_IRQ);
> +
>  		update_housekeeping = false;
>  		cpumask_copy(isolated_hk_cpus, isolated_cpus);
>  
> -		/*
> -		 * housekeeping_update() is now called without holding
> -		 * cpus_read_lock and cpuset_mutex. Only cpuset_top_mutex
> -		 * is still being held for mutual exclusion.
> -		 */

Why are you randomly removing useful comments?