From: Jason Gunthorpe <jgg-uk2M96/98Pc@public.gmane.org>
To: Bart Van Assche <bart.vanassche-Sjgp3cTcYWE@public.gmane.org>
Cc: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Laurence Oberman
<loberman-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Alexander Schmid
<alex-8Qr8HBQMDtZ/RfFiNYuDoCgLtw5krbHi@public.gmane.org>,
stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] IB/srp: Fix completion vector assignment algorithm
Date: Thu, 15 Feb 2018 15:39:52 -0700 [thread overview]
Message-ID: <20180215223952.GA7766@ziepe.ca> (raw)
In-Reply-To: <20180212175025.18955-1-bart.vanassche-Sjgp3cTcYWE@public.gmane.org>
On Mon, Feb 12, 2018 at 09:50:25AM -0800, Bart Van Assche wrote:
> Ensure that cv_end is equal to ibdev->num_comp_vectors for the
> NUMA node with the highest index. This patch improves spreading
> of RDMA channels over completion vectors and thereby improves
> performance, especially on systems with only a single NUMA node.
> This patch drops support for the comp_vector login parameter by
> ignoring the value of that parameter since I have not found a
> good way to combine support for that parameter and automatic
> spreading of RDMA channels over completion vectors.
>
> Fixes: d92c0da71a35 ("IB/srp: Add multichannel support")
> Reported-by: Alexander Schmid <alex-8Qr8HBQMDtZ/RfFiNYuDoCgLtw5krbHi@public.gmane.org>
> Signed-off-by: Bart Van Assche <bart.vanassche-Sjgp3cTcYWE@public.gmane.org>
> Cc: Alexander Schmid <alex-8Qr8HBQMDtZ/RfFiNYuDoCgLtw5krbHi@public.gmane.org>
> Cc: stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> drivers/infiniband/ulp/srp/ib_srp.c | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
Applied to for-next
Thanks,
Jason
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prev parent reply other threads:[~2018-02-15 22:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-12 17:50 [PATCH] IB/srp: Fix completion vector assignment algorithm Bart Van Assche
[not found] ` <20180212175025.18955-1-bart.vanassche-Sjgp3cTcYWE@public.gmane.org>
2018-02-15 22:39 ` Jason Gunthorpe [this message]
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