Netdev Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Logan Gunthorpe <logang@deltatee.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Matthew Wilcox <willy@infradead.org>,
linux-kernel@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
Joao Martins <joao.m.martins@oracle.com>,
John Hubbard <jhubbard@nvidia.com>,
Ming Lei <ming.lei@redhat.com>,
linux-block@vger.kernel.org, netdev@vger.kernel.org,
linux-mm@kvack.org, linux-rdma@vger.kernel.org,
dri-devel@lists.freedesktop.org, nvdimm@lists.linux.dev
Subject: Re: Phyr Starter
Date: Tue, 11 Jan 2022 16:02:44 -0700 [thread overview]
Message-ID: <ee523bd5-2818-269b-8b94-89106ad41767@deltatee.com> (raw)
In-Reply-To: <20220111225713.GS2328285@nvidia.com>
On 2022-01-11 3:57 p.m., Jason Gunthorpe wrote:
> On Tue, Jan 11, 2022 at 03:09:13PM -0700, Logan Gunthorpe wrote:
>
>> Either that, or we need a wrapper that allocates an appropriately
>> sized SGL to pass to any dma_map implementation that doesn't support
>> the new structures.
>
> This is what I think we should do. If we start with RDMA then we can
> motivate the 4 main server IOMMU drivers to get updated ASAP, then it
> can acceptably start to spread to other users.
I suspect the preferred path forward is for the IOMMU drivers that don't
use dma-iommu should be converted to use it. Then anything we do to
dma-iommu will be applicable to the IOMMU drivers. Better than expecting
them to implement a bunch of new functionality themselves.
Logan
next prev parent reply other threads:[~2022-01-11 23:02 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-10 19:34 Phyr Starter Matthew Wilcox
2022-01-11 0:41 ` Jason Gunthorpe
2022-01-11 4:32 ` Matthew Wilcox
2022-01-11 15:01 ` Jason Gunthorpe
2022-01-11 18:33 ` Matthew Wilcox
2022-01-11 20:21 ` Jason Gunthorpe
2022-01-11 21:25 ` Matthew Wilcox
2022-01-11 22:09 ` Logan Gunthorpe
2022-01-11 22:57 ` Jason Gunthorpe
2022-01-11 23:02 ` Logan Gunthorpe [this message]
2022-01-11 22:53 ` Jason Gunthorpe
2022-01-11 22:57 ` Logan Gunthorpe
2022-01-11 23:02 ` Jason Gunthorpe
2022-01-11 23:08 ` Logan Gunthorpe
2022-01-12 18:37 ` Matthew Wilcox
2022-01-12 19:08 ` Jason Gunthorpe
2022-01-20 14:03 ` Christoph Hellwig
2022-01-20 17:17 ` Jason Gunthorpe
2022-01-20 14:00 ` Christoph Hellwig
2022-01-11 9:05 ` Daniel Vetter
2022-01-11 20:26 ` Jason Gunthorpe
2022-01-20 14:09 ` Christoph Hellwig
2022-01-20 13:56 ` Christoph Hellwig
2022-01-20 15:27 ` Keith Busch
2022-01-20 15:28 ` Christoph Hellwig
2022-01-20 17:54 ` Robin Murphy
2022-01-11 8:17 ` John Hubbard
2022-01-11 14:01 ` Matthew Wilcox
2022-01-11 15:02 ` Jason Gunthorpe
2022-01-11 17:31 ` Logan Gunthorpe
2022-01-20 14:12 ` Christoph Hellwig
2022-01-20 21:35 ` John Hubbard
2022-01-11 11:40 ` Thomas Zimmermann
2022-01-11 13:56 ` Matthew Wilcox
2022-01-11 14:10 ` Thomas Zimmermann
2022-01-20 13:39 ` 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=ee523bd5-2818-269b-8b94-89106ad41767@deltatee.com \
--to=logang@deltatee.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=hch@lst.de \
--cc=jgg@nvidia.com \
--cc=jhubbard@nvidia.com \
--cc=joao.m.martins@oracle.com \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-rdma@vger.kernel.org \
--cc=ming.lei@redhat.com \
--cc=netdev@vger.kernel.org \
--cc=nvdimm@lists.linux.dev \
--cc=willy@infradead.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).