From: Jason Gunthorpe <jgg@nvidia.com>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: James Bottomley <James.Bottomley@hansenpartnership.com>,
Jiri Kosina <jikos@kernel.org>,
Dan Williams <dan.j.williams@intel.com>,
ksummit@lists.linux.dev, linux-cxl@vger.kernel.org,
linux-rdma@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [MAINTAINERS SUMMIT] Device Passthrough Considered Harmful?
Date: Thu, 25 Jul 2024 20:39:58 -0300 [thread overview]
Message-ID: <20240725233958.GT3371438@nvidia.com> (raw)
In-Reply-To: <20240725200703.GG14252@pendragon.ideasonboard.com>
On Thu, Jul 25, 2024 at 11:07:03PM +0300, Laurent Pinchart wrote:
> If it means a kernel driver that takes the majority of its runtime
> parameters from a buffer blob assembled by userspace, while controlling
> clocks, power domains and performing basic validation in kernelspace,
> then I've already acked multiple drivers with such a design, exactly
> because they have open-source userspace that doesn't try to keep many
> device features proprietary and usable by closed-source userspace only.
This also pretty much matches where we are with RDMA as well. Lots and
lots of stuff in userspace, but lots and lots is open. We've been able
to keep open kernel and userspace drivers quite well.
Thanks,
Jason
next prev parent reply other threads:[~2024-07-25 23:40 UTC|newest]
Thread overview: 126+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-08 22:26 [MAINTAINERS SUMMIT] Device Passthrough Considered Harmful? Dan Williams
2024-07-09 6:09 ` Christoph Hellwig
2024-07-09 19:43 ` Dan Williams
2024-07-10 13:05 ` Jason Gunthorpe
2024-07-21 18:51 ` Laurent Pinchart
2024-07-22 13:27 ` Jason Gunthorpe
2024-07-09 10:01 ` Greg KH
2024-07-09 12:25 ` Leon Romanovsky
2024-07-09 12:33 ` Greg KH
2024-07-09 12:47 ` Leon Romanovsky
2024-07-11 14:07 ` Jason Gunthorpe
2024-07-09 20:09 ` Dan Williams
2024-07-09 16:02 ` James Bottomley
2024-07-09 22:15 ` Dan Williams
2024-07-10 13:22 ` Jonathan Cameron
2024-07-11 11:00 ` Jonathan Cameron
2024-07-11 15:05 ` Jason Gunthorpe
2024-07-11 17:01 ` Jonathan Cameron
2024-07-11 17:45 ` Jason Gunthorpe
2024-07-11 16:36 ` Dan Williams
2024-07-12 10:37 ` Jonathan Cameron
2024-07-21 19:25 ` Laurent Pinchart
2024-07-22 7:31 ` Leon Romanovsky
2024-07-22 8:53 ` Laurent Pinchart
2024-07-22 10:44 ` Leon Romanovsky
2024-07-22 11:10 ` Laurent Pinchart
2024-07-22 13:28 ` Leon Romanovsky
2024-07-22 14:13 ` Laurent Pinchart
2024-07-22 14:43 ` Jason Gunthorpe
2024-07-22 10:42 ` Ricardo Ribalda Delgado
2024-07-22 11:18 ` Laurent Pinchart
2024-07-22 11:56 ` Ricardo Ribalda Delgado
2024-07-25 20:01 ` Laurent Pinchart
2024-07-26 8:04 ` Ricardo Ribalda Delgado
2024-07-26 10:59 ` Laurent Pinchart
2024-07-26 15:40 ` Ricardo Ribalda Delgado
2024-07-28 17:18 ` Laurent Pinchart
2024-07-29 9:58 ` Ricardo Ribalda Delgado
2024-07-29 10:31 ` Laurent Pinchart
2024-07-31 11:54 ` Sakari Ailus
2024-07-31 13:15 ` Daniel Vetter
2024-08-02 15:07 ` Laurent Pinchart
2024-08-13 10:17 ` Tomasz Figa
2024-08-13 10:26 ` Laurent Pinchart
2024-08-13 10:33 ` Tomasz Figa
2024-08-13 10:58 ` Laurent Pinchart
2024-07-11 13:50 ` Jason Gunthorpe
2024-07-11 15:16 ` James Bottomley
2024-07-11 16:29 ` Jason Gunthorpe
2024-07-23 11:20 ` Jiri Kosina
2024-07-23 11:36 ` James Bottomley
2024-07-23 23:22 ` Jiri Kosina
2024-07-24 20:12 ` James Bottomley
2024-07-24 20:00 ` Laurent Pinchart
2024-07-24 20:37 ` James Bottomley
2024-07-24 21:10 ` Steven Rostedt
2024-07-25 19:31 ` Laurent Pinchart
2024-07-25 19:43 ` Jason Gunthorpe
2024-07-25 20:07 ` Laurent Pinchart
2024-07-25 23:39 ` Jason Gunthorpe [this message]
2024-07-26 8:04 ` Ricardo Ribalda Delgado
2024-07-26 12:49 ` Laurent Pinchart
2024-07-26 13:11 ` Jason Gunthorpe
2024-07-26 14:22 ` Laurent Pinchart
2024-07-26 15:43 ` Ricardo Ribalda Delgado
2024-07-28 15:25 ` Laurent Pinchart
2024-07-29 9:57 ` Ricardo Ribalda Delgado
2024-07-29 14:20 ` Jason Gunthorpe
2024-07-26 8:03 ` Ricardo Ribalda Delgado
2024-07-26 13:22 ` Laurent Pinchart
2024-07-26 15:44 ` Ricardo Ribalda Delgado
2024-07-28 17:02 ` Laurent Pinchart
2024-07-26 16:49 ` James Bottomley
2024-07-28 16:44 ` Laurent Pinchart
2024-07-26 17:33 ` Daniel Vetter
2024-07-29 14:10 ` Jason Gunthorpe
2024-07-25 9:26 ` Ricardo Ribalda Delgado
2024-07-25 10:51 ` Wolfram Sang
2024-07-25 12:23 ` Leon Romanovsky
2024-07-25 13:02 ` Ricardo Ribalda Delgado
2024-07-25 13:20 ` Leon Romanovsky
2024-07-25 13:29 ` Mark Brown
2024-07-25 14:18 ` Leon Romanovsky
2024-07-25 14:22 ` James Bottomley
2024-07-25 17:37 ` Leon Romanovsky
2024-07-26 13:58 ` James Bottomley
2024-07-25 19:42 ` Laurent Pinchart
2024-07-26 8:02 ` Ricardo Ribalda Delgado
2024-07-26 13:11 ` Laurent Pinchart
2024-07-26 15:40 ` Ricardo Ribalda Delgado
2024-07-28 11:23 ` Laurent Pinchart
2024-07-29 9:56 ` Ricardo Ribalda Delgado
2024-07-29 10:38 ` Laurent Pinchart
2024-07-26 16:01 ` James Bottomley
2024-07-26 17:56 ` Laurent Pinchart
2024-07-25 13:44 ` Steven Rostedt
2024-07-26 14:27 ` Laurent Pinchart
2024-07-26 15:34 ` Steven Rostedt
2024-07-28 16:03 ` Laurent Pinchart
2024-07-27 0:16 ` Dan Williams
2024-07-28 11:18 ` Laurent Pinchart
2024-07-28 15:16 ` Greg KH
2024-07-28 15:34 ` Laurent Pinchart
2024-07-28 15:49 ` James Bottomley
2024-07-29 6:10 ` Greg KH
2024-07-31 12:33 ` James Bottomley
2024-07-31 12:45 ` Laurent Pinchart
2024-08-01 14:41 ` Jason Gunthorpe
2024-08-07 0:06 ` Dan Williams
2024-08-07 0:13 ` James Bottomley
2024-08-16 11:12 ` Hannes Reinecke
2024-07-29 14:56 ` Jakub Kicinski
2024-07-29 15:16 ` Greg KH
2024-07-29 15:29 ` Jason Gunthorpe
2024-07-29 12:45 ` Jonathan Cameron
2024-07-29 13:38 ` Borislav Petkov
2024-07-29 14:29 ` Jonathan Cameron
2024-07-29 14:58 ` Jason Gunthorpe
2024-07-30 13:19 ` Borislav Petkov
2024-08-01 14:23 ` Jason Gunthorpe
2024-07-29 15:42 ` Jason Gunthorpe
2024-07-29 22:37 ` Dan Williams
2024-07-30 7:13 ` Daniel Vetter
2024-08-01 14:22 ` Jason Gunthorpe
2024-08-06 7:14 ` Daniel Vetter
2024-08-06 13:04 ` Jason Gunthorpe
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=20240725233958.GT3371438@nvidia.com \
--to=jgg@nvidia.com \
--cc=James.Bottomley@hansenpartnership.com \
--cc=dan.j.williams@intel.com \
--cc=jikos@kernel.org \
--cc=ksummit@lists.linux.dev \
--cc=laurent.pinchart@ideasonboard.com \
--cc=linux-cxl@vger.kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=netdev@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).