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From: Daniel Wagner <dwagner@suse.de>
To: Ming Lei <ming.lei@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Jens Axboe <axboe@kernel.dk>,
	linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
	Keith Busch <kbusch@kernel.org>, Christoph Hellwig <hch@lst.de>,
	Jon Derrick <jonathan.derrick@intel.com>
Subject: Re: [PATCH V3 3/3] genirq/affinity: Spread vectors on node according to nr_cpu ratio
Date: Tue, 13 Aug 2019 11:34:27 +0200	[thread overview]
Message-ID: <7579c5b8-3992-e685-d559-98e9b0f7baad@suse.de> (raw)
In-Reply-To: <20190813081447.1396-4-ming.lei@redhat.com>

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

      reply	other threads:[~2019-08-13  9:34 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-13  8:14 [PATCH V3 0/3] genriq/affinity: Make vectors allocation fair Ming Lei
2019-08-13  8:14 ` [PATCH V3 1/3] genirq/affinity: Enhance warning check Ming Lei
2019-08-13 19:31   ` Derrick, Jonathan
2019-08-14  8:58     ` Ming Lei
2019-08-13  8:14 ` [PATCH V3 2/3] genirq/affinity: Improve __irq_build_affinity_masks() Ming Lei
2019-08-13  8:14 ` [PATCH V3 3/3] genirq/affinity: Spread vectors on node according to nr_cpu ratio Ming Lei
2019-08-13  9:34   ` Daniel Wagner [this message]

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