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From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 8/8] nvme-loop: add a NVMe loopback device
Date: Mon, 16 Nov 2015 09:29:46 +0100	[thread overview]
Message-ID: <20151116082946.GB21218@lst.de> (raw)
In-Reply-To: <5648DA8A.6060705@dev.mellanox.co.il>

On Sun, Nov 15, 2015@09:18:34PM +0200, Sagi Grimberg wrote:
>
>> +	ctrl->queue_count = 1; /* admin queue */;
>> +	if (nr_io_queues > 0)
>> +		ctrl->queue_count += nr_io_queues;
>> +	else
>> +		ctrl->queue_count += num_possible_cpus();
>
> This should really be num_online_cpus(), I get way more than
> I need with num_possible_cpus()...

Maybe.  But then we'd want a hot plug event.  The whole number of
contexts thing is a bit of a mess.

  reply	other threads:[~2015-11-16  8:29 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-07 17:00 [RFC] generic NVMe target and NVMe loop driver Christoph Hellwig
2015-11-07 17:00 ` [PATCH 1/8] nvme: move set_queue_count to common code Christoph Hellwig
2015-11-07 17:00 ` [PATCH 2/8] nvme: move enable/disable/shutdown_ctrl " Christoph Hellwig
2015-11-08 16:39   ` Sagi Grimberg
2015-11-09 10:12     ` Christoph Hellwig
2015-11-07 17:00 ` [PATCH 3/8] nvme: move CC setup into nvme_enable_ctrl Christoph Hellwig
2015-11-07 17:00 ` [PATCH 4/8] nvme: move the timeout module paramters to common code Christoph Hellwig
2015-11-07 17:00 ` [PATCH 5/8] nvme: add segment limitations Christoph Hellwig
2015-11-07 17:00 ` [PATCH 6/8] nvme: export symbols needed for nvme-loop Christoph Hellwig
2015-11-07 17:00 ` [PATCH 7/8] nvmet: add a generic NVMe target Christoph Hellwig
2015-11-08 10:26   ` Sagi Grimberg
2015-11-08 13:57     ` Christoph Hellwig
2015-11-07 17:00 ` [PATCH 8/8] nvme-loop: add a NVMe loopback device Christoph Hellwig
2015-11-08 10:54   ` Sagi Grimberg
2015-11-08 13:22     ` Sagi Grimberg
2015-11-08 13:56       ` Christoph Hellwig
2015-11-15 19:18   ` Sagi Grimberg
2015-11-16  8:29     ` Christoph Hellwig [this message]
2015-11-16  9:35       ` Sagi Grimberg
2015-11-16  7:30 ` [RFC] generic NVMe target and NVMe loop driver Nicholas A. Bellinger
2015-11-16  8:08   ` Ming Lin
2015-11-16  8:29     ` Nicholas A. Bellinger
2015-11-17  5:53       ` Ming Lin
2015-11-16  8:32     ` Christoph Hellwig

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