linux-kernel - Re: [PATCH 3/3] lib/group_cpus.c: honor housekeeping config when grouping CPUs

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Date: Sat, 22 Jun 2024 07:13:15 +0200
From: Christoph Hellwig <hch@....de>
To: Daniel Wagner <dwagner@...e.de>
Cc: Jens Axboe <axboe@...nel.dk>, Keith Busch <kbusch@...nel.org>,
	Sagi Grimberg <sagi@...mberg.me>,
	Thomas Gleixner <tglx@...utronix.de>,
	Christoph Hellwig <hch@....de>,
	Frederic Weisbecker <fweisbecker@...e.com>,
	Mel Gorman <mgorman@...e.de>, Hannes Reinecke <hare@...e.de>,
	Sridhar Balaraman <sbalaraman@...allelwireless.com>,
	"brookxu.cn" <brookxu.cn@...il.com>, Ming Lei <ming.lei@...hat.com>,
	linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
	linux-nvme@...ts.infradead.org
Subject: Re: [PATCH 3/3] lib/group_cpus.c: honor housekeeping config when
 grouping CPUs

Shouldn't this go before the current patch 2?

> +	io_queue_mask = housekeeping_cpumask(HK_TYPE_IO_QUEUE);
> +	if (!cpumask_empty(io_queue_mask))
> +		return group_mask_cpus_evenly(numgrps, io_queue_mask);
> +	else
> +		return group_possible_cpus_evenly(numgrps);
> +}

No need for an else after the return above.