From: Steve Wise <swise@opengridcomputing.com>
To: Sagi Grimberg <sagi@grimberg.me>,
linux-rdma@vger.kernel.org, linux-nvme@lists.infradead.org,
linux-block@vger.kernel.org
Cc: netdev@vger.kernel.org, Saeed Mahameed <saeedm@mellanox.com>,
Or Gerlitz <ogerlitz@mellanox.com>,
Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH rfc 0/6] Automatic affinity settings for nvme over rdma
Date: Mon, 10 Apr 2017 13:05:50 -0500 [thread overview]
Message-ID: <14fd128d-7155-ab13-492f-952f072808d5@opengridcomputing.com> (raw)
In-Reply-To: <1491140492-25703-1-git-send-email-sagi@grimberg.me>
On 4/2/2017 8:41 AM, Sagi Grimberg wrote:
> This patch set is aiming to automatically find the optimal
> queue <-> irq multi-queue assignments in storage ULPs (demonstrated
> on nvme-rdma) based on the underlying rdma device irq affinity
> settings.
>
> First two patches modify mlx5 core driver to use generic API
> to allocate array of irq vectors with automatic affinity
> settings instead of open-coding exactly what it does (and
> slightly worse).
>
> Then, in order to obtain an affinity map for a given completion
> vector, we expose a new RDMA core API, and implement it in mlx5.
>
> The third part is addition of a rdma-based queue mapping helper
> to blk-mq that maps the tagset hctx's according to the device
> affinity mappings.
>
> I'd happily convert some more drivers, but I'll need volunteers
> to test as I don't have access to any other devices.
I'll test cxgb4 if you convert it. :)
next prev parent reply other threads:[~2017-04-10 18:05 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-02 13:41 [PATCH rfc 0/6] Automatic affinity settings for nvme over rdma Sagi Grimberg
2017-04-02 13:41 ` [PATCH rfc 1/6] mlx5: convert to generic pci_alloc_irq_vectors Sagi Grimberg
2017-04-04 6:27 ` Christoph Hellwig
2017-04-02 13:41 ` [PATCH rfc 2/6] mlx5: move affinity hints assignments to generic code Sagi Grimberg
2017-04-04 6:32 ` Christoph Hellwig
2017-04-06 8:29 ` Sagi Grimberg
2017-04-02 13:41 ` [PATCH rfc 3/6] RDMA/core: expose affinity mappings per completion vector Sagi Grimberg
2017-04-04 6:32 ` Christoph Hellwig
2017-04-02 13:41 ` [PATCH rfc 4/6] mlx5: support ->get_vector_affinity Sagi Grimberg
2017-04-04 6:33 ` Christoph Hellwig
2017-04-02 13:41 ` [PATCH rfc 5/6] block: Add rdma affinity based queue mapping helper Sagi Grimberg
2017-04-04 6:33 ` Christoph Hellwig
[not found] ` <1491140492-25703-6-git-send-email-sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2017-04-04 7:46 ` Max Gurtovoy
2017-04-04 13:09 ` Christoph Hellwig
[not found] ` <becb84ac-7819-a207-56b1-70f16cb80e42-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-04-06 9:23 ` Sagi Grimberg
2017-04-05 14:17 ` Jens Axboe
2017-04-02 13:41 ` [PATCH rfc 6/6] nvme-rdma: use intelligent affinity based queue mappings Sagi Grimberg
2017-04-04 6:34 ` Christoph Hellwig
2017-04-06 8:30 ` Sagi Grimberg
[not found] ` <1491140492-25703-1-git-send-email-sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2017-04-04 7:51 ` [PATCH rfc 0/6] Automatic affinity settings for nvme over rdma Max Gurtovoy
[not found] ` <86ed1762-a990-691f-e043-3d7dcac8fe85-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-04-06 8:34 ` Sagi Grimberg
2017-04-10 18:05 ` Steve Wise [this message]
2017-04-12 6:34 ` Christoph Hellwig
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