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Message-ID: <60c62d7a-940a-e424-15e0-af47cd36eacf@redhat.com>
Date:   Tue, 1 Mar 2022 19:57:52 +0100
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Subject: Re: [PATCH v2 1/2] sched/isolation: use raw_smp_processor_id() in
 housekeeping_any_cpu()
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To:     Nicolas Saenz Julienne <nsaenzju@redhat.com>, mingo@redhat.com,
        peterz@infradead.org, frederic@kernel.org, rostedt@goodmis.org
Cc:     tglx@linutronix.de, mtosatti@redhat.com,
        linux-kernel@vger.kernel.org
References: <20220301113053.141514-1-nsaenzju@redhat.com>
From:   Daniel Bristot de Oliveira <bristot@redhat.com>
In-Reply-To: <20220301113053.141514-1-nsaenzju@redhat.com>
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On 3/1/22 12:30, Nicolas Saenz Julienne wrote:
> housekeeping_any_cpu() will return a housekeeping CPU. That's it. It'll
> try to optimize for NUMA locality and to use the local CPU, but it's not
> a requisite.
> 
> So let's use raw_smp_processor_id() instead of its vanilla counterpart
> in order to allow users to query for housekeeping CPUs without having to
> disable preemption.
> 
> Signed-off-by: Nicolas Saenz Julienne <nsaenzju@redhat.com>

Reviewed-by: Daniel Bristot de Oliveira <bristot@kernel.org>

-- Daniel