linux-rdma.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jason Gunthorpe <jgg@ziepe.ca>
To: Chuck Lever III <chuck.lever@oracle.com>
Cc: linux-rdma <linux-rdma@vger.kernel.org>,
	"Kornievskaia, Olga" <Olga.Kornievskaia@netapp.com>
Subject: Re: IB_MR_TYPE_SG_GAPS support
Date: Thu, 26 Aug 2021 20:45:44 -0300	[thread overview]
Message-ID: <20210826234544.GE1200268@ziepe.ca> (raw)
In-Reply-To: <D87B6648-A4C4-4D0B-A390-EA1F0A240C08@oracle.com>

On Thu, Aug 26, 2021 at 05:26:11PM +0000, Chuck Lever III wrote:

> If GPU and CPU pages are not considered contiguous, then some
> additional loop termination logic is needed here so that at
> a boundary between page types, xprtrdma will simply move
> into a fresh MR instead of coalescing.

Upstream Linux does not have support for GPU pages in the RDMA stack.

Jason

  reply	other threads:[~2021-08-26 23:45 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-26 17:26 IB_MR_TYPE_SG_GAPS support Chuck Lever III
2021-08-26 23:45 ` Jason Gunthorpe [this message]
2021-08-27  6:27 ` Christoph Hellwig
2021-08-29 13:46   ` Max Gurtovoy
2021-08-30  8:29     ` Christoph Hellwig

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=20210826234544.GE1200268@ziepe.ca \
    --to=jgg@ziepe.ca \
    --cc=Olga.Kornievskaia@netapp.com \
    --cc=chuck.lever@oracle.com \
    --cc=linux-rdma@vger.kernel.org \
    /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).