All of lore.kernel.org
 help / color / mirror / Atom feed
From: Jason Gunthorpe <jgg@nvidia.com>
To: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Cc: Leon Romanovsky <leon@kernel.org>,
	"Marciniszyn, Mike" <mike.marciniszyn@cornelisnetworks.com>,
	Doug Ledford <dledford@redhat.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>
Subject: Re: [PATCH rdma-next] RDMA/rdmavt: Decouple QP and SGE lists allocations
Date: Thu, 13 May 2021 16:15:51 -0300	[thread overview]
Message-ID: <20210513191551.GT1002214@nvidia.com> (raw)
In-Reply-To: <7e7c411b-572b-6080-e991-deb324e3d0e2@cornelisnetworks.com>

On Thu, May 13, 2021 at 03:03:43PM -0400, Dennis Dalessandro wrote:
> On 5/12/21 8:50 AM, Leon Romanovsky wrote:
> > On Wed, May 12, 2021 at 12:25:15PM +0000, Marciniszyn, Mike wrote:
> > > > > Thanks Leon, we'll get this put through our testing.
> > > > 
> > > > Thanks a lot.
> > > > 
> > > > > 
> > > 
> > > The patch as is passed all our functional testing.
> > 
> > Thanks Mike,
> > 
> > Can I ask you to perform a performance comparison between this patch and
> > the following?
> 
> We have years of performance data with the code the way it is. Please
> maintain the original functionality of the code when moving things into the
> core unless there is a compelling reason to change. That is not the case
> here.

Well, making the core do node allocations for metadata on every driver
is a pretty big thing to ask for with no data.

Jason

  reply	other threads:[~2021-05-13 19:15 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-11 10:36 [PATCH rdma-next] RDMA/rdmavt: Decouple QP and SGE lists allocations Leon Romanovsky
2021-05-11 10:59 ` Haakon Bugge
2021-05-11 12:34   ` Leon Romanovsky
2021-05-11 19:15     ` Marciniszyn, Mike
2021-05-11 19:27       ` Leon Romanovsky
2021-05-11 19:39         ` Marciniszyn, Mike
2021-05-12  4:08         ` Dennis Dalessandro
2021-05-12 12:13           ` Leon Romanovsky
2021-05-12 12:45             ` Dennis Dalessandro
2021-05-11 12:26 ` Dennis Dalessandro
2021-05-11 12:34   ` Leon Romanovsky
2021-05-12 12:25     ` Marciniszyn, Mike
2021-05-12 12:50       ` Leon Romanovsky
2021-05-13 19:03         ` Dennis Dalessandro
2021-05-13 19:15           ` Jason Gunthorpe [this message]
2021-05-13 19:31             ` Dennis Dalessandro
2021-05-14 13:02               ` Jason Gunthorpe
2021-05-14 14:07                 ` Dennis Dalessandro
2021-05-14 14:35                   ` Jason Gunthorpe
2021-05-14 15:00                     ` Marciniszyn, Mike
2021-05-14 15:02                       ` Jason Gunthorpe
2021-05-19  7:50                         ` Leon Romanovsky
2021-05-19 11:56                           ` Dennis Dalessandro
2021-05-19 18:29                             ` Jason Gunthorpe
2021-05-19 19:49                               ` Dennis Dalessandro
2021-05-19 20:26                                 ` Jason Gunthorpe
2021-05-20 22:02                                   ` Dennis Dalessandro
2021-05-21  6:29                                     ` Leon Romanovsky
2021-05-25 13:13                                     ` Jason Gunthorpe
2021-05-25 14:10                                       ` Dennis Dalessandro
2021-05-25 14:20                                         ` Jason Gunthorpe
2021-05-25 14:29                                           ` Dennis Dalessandro
2021-06-28 21:59                                           ` Marciniszyn, Mike
2021-06-28 23:19                                             ` Jason Gunthorpe
2021-07-04  6:34                                               ` Leon Romanovsky
2021-06-02  4:33                                         ` Leon Romanovsky
2021-05-16 10:56           ` Leon Romanovsky
2021-05-12 12:23 ` Marciniszyn, Mike

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210513191551.GT1002214@nvidia.com \
    --to=jgg@nvidia.com \
    --cc=dennis.dalessandro@cornelisnetworks.com \
    --cc=dledford@redhat.com \
    --cc=leon@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rdma@vger.kernel.org \
    --cc=mike.marciniszyn@cornelisnetworks.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.