linux-kernel - Re: [PATCH V3 3/3] genirq/affinity: Spread vectors on node according to nr

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Message-ID: <7579c5b8-3992-e685-d559-98e9b0f7baad@suse.de>
Date:   Tue, 13 Aug 2019 11:34:27 +0200
From:   Daniel Wagner <dwagner@...e.de>
To:     Ming Lei <ming.lei@...hat.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>, Jens Axboe <axboe@...nel.dk>,
        linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org,
        Keith Busch <kbusch@...nel.org>,
        Christoph Hellwig <hch@....de>,
        Jon Derrick <jonathan.derrick@...el.com>
Subject: Re: [PATCH V3 3/3] genirq/affinity: Spread vectors on node according
 to nr_cpu ratio

Hi,

On 8/13/19 10:14 AM, Ming Lei wrote:
> Now __irq_build_affinity_masks() spreads vectors evenly per node, and
> all vectors may not be spread in case that each numa node has different
> CPU number, then the following warning in irq_build_affinity_masks() can
> be triggered:
> 
> 	if (nr_present < numvecs)
> 		WARN_ON(nr_present + nr_others < numvecs);

Is this the warning which is changed in patch #1?

Thanks,
Daniel