linux-rdma.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jason Gunthorpe <jgg@ziepe.ca>
To: Andrew Boyer <aboyer@pensando.io>
Cc: Leon Romanovsky <leon@kernel.org>,
	Weihang Li <liweihang@huawei.com>,
	dledford@redhat.com, linux-rdma@vger.kernel.org,
	linuxarm@huawei.com
Subject: Re: [PATCH for-next] RDMA/hns: Add interface to support lock free
Date: Thu, 12 Mar 2020 14:27:01 -0300	[thread overview]
Message-ID: <20200312172701.GV31668@ziepe.ca> (raw)
In-Reply-To: <42CC9743-9112-4954-807D-2A7A856BC78E@pensando.io>

On Thu, Mar 12, 2020 at 01:04:05PM -0400, Andrew Boyer wrote:
>    What would you say to a per-process env variable to disable locking in
>    a userspace provider?

That is also a no. verbs now has 'thread domain' who's purpose is to
allow data plane locks to be skipped.

Generally new env vars in verbs are going to face opposition from
me.

Jason

  parent reply	other threads:[~2020-03-12 17:27 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-12  7:48 [PATCH for-next] RDMA/hns: Add interface to support lock free Weihang Li
2020-03-12  9:26 ` Leon Romanovsky
2020-03-12 17:02   ` Jason Gunthorpe
     [not found]     ` <42CC9743-9112-4954-807D-2A7A856BC78E@pensando.io>
2020-03-12 17:26       ` Leon Romanovsky
2020-03-12 17:27       ` Jason Gunthorpe [this message]
2020-03-13  6:02         ` liweihang
2020-03-13 12:18           ` Jason Gunthorpe
2020-03-14  3:44             ` liweihang
2020-03-14  9:49               ` Leon Romanovsky
2020-03-14 18:07               ` Leon Romanovsky
2020-03-16 10:46                 ` liweihang
2020-03-16 12:12               ` Jason Gunthorpe
2020-03-16 13:04                 ` Leon Romanovsky
2020-03-16 13:29                   ` liweihang

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=20200312172701.GV31668@ziepe.ca \
    --to=jgg@ziepe.ca \
    --cc=aboyer@pensando.io \
    --cc=dledford@redhat.com \
    --cc=leon@kernel.org \
    --cc=linux-rdma@vger.kernel.org \
    --cc=linuxarm@huawei.com \
    --cc=liweihang@huawei.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).