From: leon@kernel.org (Leon Romanovsky)
Subject: [PATCH v3 0/9] Introduce per-device completion queue pools
Date: Thu, 9 Nov 2017 20:52:39 +0200 [thread overview]
Message-ID: <20171109185239.GL18825@mtr-leonro.local> (raw)
In-Reply-To: <d5820b65-b428-7cd1-f7f1-7d8d89d21cf5@grimberg.me>
On Thu, Nov 09, 2017@07:22:58PM +0200, Sagi Grimberg wrote:
>
>
> > Additionally, on many setups each
> > RDMA port only runs a single ULP. I think that's another argument to let the
> > ULP allocate CQ pool(s) instead of having one such pool per HCA.
>
> I think that most modern HCAs are exposing device-per-port and will
> probably continue to do so, But yes, mlx4 is dual-ported HCA.
I have patches in my queue for -next cycle which introduce similar
functionality for mlx5 too - one mlx5_ib device with two ports.
Thanks
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From: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Sagi Grimberg <sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
Cc: Bart Van Assche <Bart.VanAssche-Sjgp3cTcYWE@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"hch-jcswGhMUV9g@public.gmane.org"
<hch-jcswGhMUV9g@public.gmane.org>,
"maxg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org"
<maxg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
"linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH v3 0/9] Introduce per-device completion queue pools
Date: Thu, 9 Nov 2017 20:52:39 +0200 [thread overview]
Message-ID: <20171109185239.GL18825@mtr-leonro.local> (raw)
In-Reply-To: <d5820b65-b428-7cd1-f7f1-7d8d89d21cf5-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 531 bytes --]
On Thu, Nov 09, 2017 at 07:22:58PM +0200, Sagi Grimberg wrote:
>
>
> > Additionally, on many setups each
> > RDMA port only runs a single ULP. I think that's another argument to let the
> > ULP allocate CQ pool(s) instead of having one such pool per HCA.
>
> I think that most modern HCAs are exposing device-per-port and will
> probably continue to do so, But yes, mlx4 is dual-ported HCA.
I have patches in my queue for -next cycle which introduce similar
functionality for mlx5 too - one mlx5_ib device with two ports.
Thanks
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next prev parent reply other threads:[~2017-11-09 18:52 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-08 9:57 [PATCH v3 0/9] Introduce per-device completion queue pools Sagi Grimberg
2017-11-08 9:57 ` Sagi Grimberg
2017-11-08 9:57 ` [PATCH v3 1/9] RDMA/core: Add implicit " Sagi Grimberg
2017-11-08 9:57 ` Sagi Grimberg
2017-11-09 10:45 ` Max Gurtovoy
2017-11-09 10:45 ` Max Gurtovoy
2017-11-09 17:31 ` Sagi Grimberg
2017-11-09 17:31 ` Sagi Grimberg
2017-11-09 17:33 ` Bart Van Assche
2017-11-09 17:33 ` Bart Van Assche
2017-11-13 20:28 ` Sagi Grimberg
2017-11-13 20:28 ` Sagi Grimberg
2017-11-14 16:28 ` Bart Van Assche
2017-11-14 16:28 ` Bart Van Assche
2017-11-20 12:31 ` Sagi Grimberg
2017-11-20 12:31 ` Sagi Grimberg
2017-12-11 23:50 ` [v3,1/9] " Jason Gunthorpe
2017-12-11 23:50 ` Jason Gunthorpe
2018-01-03 17:47 ` Jason Gunthorpe
2018-01-03 17:47 ` Jason Gunthorpe
2017-11-08 9:57 ` [PATCH v3 2/9] IB/isert: use implicit CQ allocation Sagi Grimberg
2017-11-08 9:57 ` Sagi Grimberg
2017-11-08 10:27 ` Nicholas A. Bellinger
2017-11-08 10:27 ` Nicholas A. Bellinger
2017-11-08 10:27 ` Nicholas A. Bellinger
2017-11-14 9:14 ` Max Gurtovoy
2017-11-14 9:14 ` Max Gurtovoy
2017-11-08 9:57 ` [PATCH v3 3/9] IB/iser: " Sagi Grimberg
2017-11-08 9:57 ` Sagi Grimberg
2017-11-08 10:25 ` Nicholas A. Bellinger
2017-11-08 10:25 ` Nicholas A. Bellinger
2017-11-08 10:25 ` Nicholas A. Bellinger
2017-11-08 9:57 ` [PATCH v3 4/9] IB/srpt: " Sagi Grimberg
2017-11-08 9:57 ` Sagi Grimberg
2017-11-08 9:57 ` [PATCH v3 5/9] svcrdma: Use RDMA core " Sagi Grimberg
2017-11-08 9:57 ` Sagi Grimberg
2017-11-08 9:57 ` [PATCH v3 6/9] nvme-rdma: use " Sagi Grimberg
2017-11-08 9:57 ` Sagi Grimberg
2017-11-08 9:57 ` [PATCH v3 7/9] nvmet-rdma: " Sagi Grimberg
2017-11-08 9:57 ` Sagi Grimberg
2017-11-08 9:57 ` [PATCH v3 8/9] nvmet: allow assignment of a cpulist for each nvmet port Sagi Grimberg
2017-11-08 9:57 ` Sagi Grimberg
2017-11-08 9:57 ` [PATCH v3 9/9] nvmet-rdma: assign cq completion vector based on the port allowed cpus Sagi Grimberg
2017-11-08 9:57 ` Sagi Grimberg
2017-11-08 16:42 ` [PATCH v3 0/9] Introduce per-device completion queue pools Chuck Lever
2017-11-08 16:42 ` Chuck Lever
2017-11-09 17:06 ` Sagi Grimberg
2017-11-09 17:06 ` Sagi Grimberg
2017-11-10 19:27 ` Chuck Lever
2017-11-10 19:27 ` Chuck Lever
2017-11-13 20:47 ` Sagi Grimberg
2017-11-13 20:47 ` Sagi Grimberg
2017-11-13 22:15 ` Chuck Lever
2017-11-13 22:15 ` Chuck Lever
2017-11-20 12:08 ` Sagi Grimberg
2017-11-20 12:08 ` Sagi Grimberg
2017-11-20 15:54 ` Chuck Lever
2017-11-20 15:54 ` Chuck Lever
2017-11-09 16:42 ` Bart Van Assche
2017-11-09 16:42 ` Bart Van Assche
2017-11-09 17:22 ` Sagi Grimberg
2017-11-09 17:22 ` Sagi Grimberg
2017-11-09 17:31 ` Bart Van Assche
2017-11-09 17:31 ` Bart Van Assche
2017-11-13 20:31 ` Sagi Grimberg
2017-11-13 20:31 ` Sagi Grimberg
2017-11-13 20:34 ` Jason Gunthorpe
2017-11-13 20:34 ` Jason Gunthorpe
2017-11-13 20:48 ` Sagi Grimberg
2017-11-13 20:48 ` Sagi Grimberg
2017-11-14 2:48 ` Jason Gunthorpe
2017-11-14 2:48 ` Jason Gunthorpe
2017-11-20 12:10 ` Sagi Grimberg
2017-11-20 12:10 ` Sagi Grimberg
2017-11-20 19:24 ` Jason Gunthorpe
2017-11-20 19:24 ` Jason Gunthorpe
2017-11-20 21:29 ` Bart Van Assche
2017-11-20 21:29 ` Bart Van Assche
2017-11-14 16:21 ` Bart Van Assche
2017-11-14 16:21 ` Bart Van Assche
2017-11-20 12:26 ` Sagi Grimberg
2017-11-20 12:26 ` Sagi Grimberg
2017-11-14 10:06 ` Max Gurtovoy
2017-11-14 10:06 ` Max Gurtovoy
2017-11-20 12:20 ` Sagi Grimberg
2017-11-20 12:20 ` Sagi Grimberg
2017-11-09 18:52 ` Leon Romanovsky [this message]
2017-11-09 18:52 ` Leon Romanovsky
2017-11-13 20:32 ` Sagi Grimberg
2017-11-13 20:32 ` Sagi Grimberg
2017-11-13 22:11 ` Doug Ledford
2017-11-13 22:11 ` Doug Ledford
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