From: bvanassche@acm.org (Bart Van Assche)
Subject: [PATCH 1/2] nvme-pci: add module param for io queue number
Date: Fri, 21 Dec 2018 07:02:39 -0800 [thread overview]
Message-ID: <677bfb90-c328-c707-a042-156f17cb426f@acm.org> (raw)
In-Reply-To: <1545372253-28025-1-git-send-email-shan.hai@oracle.com>
On 12/20/18 10:04 PM, Shan Hai wrote:
> The num_possible_cpus() number of io queues by default would cause
> irq vector shortage problem on a large system when hotplugging cpus,
> add a module parameter to set number of io queues according to the
> system configuration to fix the issue.
Is it possible to achieve this without introducing a new configuration
knob? I think it will be much more convenient for users of large systems
that they don't have to discover a knob like this one first in order to
make the NVMe driver work on their systems.
Thanks,
Bart.
next prev parent reply other threads:[~2018-12-21 15:02 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-21 6:04 [PATCH 1/2] nvme-pci: add module param for io queue number Shan Hai
2018-12-21 6:04 ` [PATCH 2/2] nvme-pci: take the io_queue_number into account when setting number of io queues Shan Hai
2018-12-21 15:02 ` Bart Van Assche [this message]
2018-12-24 1:10 ` [PATCH 1/2] nvme-pci: add module param for io queue number Shan Hai
2019-01-04 18:09 ` Christoph Hellwig
2019-01-05 0:18 ` Shan Hai
2018-12-23 0:38 ` Ming Lei
2018-12-24 1:02 ` Shan Hai
2018-12-24 1:47 ` Ming Lei
2018-12-24 2:12 ` Shan Hai
2018-12-24 2:46 ` Ming Lei
2018-12-24 3:05 ` Shan Hai
2018-12-26 10:23 ` Ming Lei
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