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From: Jason Gunthorpe <jgg@nvidia.com>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>,
	Itay Avraham <itayavr@nvidia.com>,
	Jakub Kicinski <kuba@kernel.org>,
	Leon Romanovsky <leon@kernel.org>,
	linux-doc@vger.kernel.org, linux-rdma@vger.kernel.org,
	netdev@vger.kernel.org, Paolo Abeni <pabeni@redhat.com>,
	Saeed Mahameed <saeedm@nvidia.com>,
	Tariq Toukan <tariqt@nvidia.com>,
	Andy Gospodarek <andrew.gospodarek@broadcom.com>,
	Aron Silverton <aron.silverton@oracle.com>,
	Dan Williams <dan.j.williams@intel.com>,
	David Ahern <dsahern@kernel.org>,
	Christoph Hellwig <hch@infradead.org>,
	Jiri Pirko <jiri@nvidia.com>, Leonid Bloch <lbloch@nvidia.com>,
	Leon Romanovsky <leonro@nvidia.com>,
	linux-cxl@vger.kernel.org, patches@lists.linux.dev
Subject: Re: [PATCH 6/8] fwctl: Add documentation
Date: Wed, 5 Jun 2024 13:03:36 -0300	[thread overview]
Message-ID: <20240605160336.GA1760942@nvidia.com> (raw)
In-Reply-To: <7a28cd2c-b5a8-4c06-b9e2-9b390d8c96e4@infradead.org>

On Tue, Jun 04, 2024 at 07:31:10PM -0700, Randy Dunlap wrote:

> > +Modern devices contain extensive amounts of FW, and in many cases, are largely
> > +software defined pieces of hardware. The evolution of this approach is largely a
> 
>   software-defined

Thanks a lot Randy, I picked up all your notes.

> > +While the kernel can always directly parse and restrict RPCs, it is expected
> > +that the existing kernel pattern of allowing drivers to delegate validation to
> > +FW to be a useful design.
> 
> (and one that can be abused...)

I would really like to write a paragraph about this "abuse", Dan has
some good thoughts on this as well. Did you have a specific "abuse"
in your mind?

Thanks,
Jason

  reply	other threads:[~2024-06-05 16:11 UTC|newest]

Thread overview: 73+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-03 15:53 [PATCH 0/8] Introduce fwctl subystem Jason Gunthorpe
2024-06-03 15:53 ` [PATCH 1/8] fwctl: Add basic structure for a class subsystem with a cdev Jason Gunthorpe
2024-06-04  9:32   ` Leon Romanovsky
2024-06-04 15:50     ` Jason Gunthorpe
2024-06-04 17:05       ` Jonathan Cameron
2024-06-04 18:52         ` Jason Gunthorpe
2024-06-05 11:08           ` Jonathan Cameron
2024-06-04 16:42   ` Randy Dunlap
2024-06-04 16:44     ` Jason Gunthorpe
2024-06-03 15:53 ` [PATCH 2/8] fwctl: Basic ioctl dispatch for the character device Jason Gunthorpe
2024-06-04 12:16   ` Zhu Yanjun
2024-06-04 12:22     ` Leon Romanovsky
2024-06-04 16:50       ` Jonathan Cameron
2024-06-04 16:58         ` Jason Gunthorpe
2024-06-05 11:07           ` Jonathan Cameron
2024-06-05 18:27             ` Jason Gunthorpe
2024-06-06 13:34               ` Jonathan Cameron
2024-06-06 15:37                 ` Randy Dunlap
2024-06-05 15:42   ` Przemek Kitszel
2024-06-05 15:49     ` Jason Gunthorpe
2024-06-03 15:53 ` [PATCH 3/8] fwctl: FWCTL_INFO to return basic information about the device Jason Gunthorpe
2024-06-13 23:32   ` Dave Jiang
2024-06-13 23:40     ` Jason Gunthorpe
2024-06-14 16:37       ` Dave Jiang
2024-06-03 15:53 ` [PATCH 4/8] taint: Add TAINT_FWCTL Jason Gunthorpe
2024-06-03 15:53 ` [PATCH 5/8] fwctl: FWCTL_RPC to execute a Remote Procedure Call to device firmware Jason Gunthorpe
2024-06-03 15:53 ` [PATCH 6/8] fwctl: Add documentation Jason Gunthorpe
2024-06-05  2:31   ` Randy Dunlap
2024-06-05 16:03     ` Jason Gunthorpe [this message]
2024-06-05 20:14       ` Randy Dunlap
2024-06-03 15:53 ` [PATCH 7/8] fwctl/mlx5: Support for communicating with mlx5 fw Jason Gunthorpe
2024-06-03 15:53 ` [PATCH 8/8] mlx5: Create an auxiliary device for fwctl_mlx5 Jason Gunthorpe
2024-06-03 18:42 ` [PATCH 0/8] Introduce fwctl subystem Jakub Kicinski
2024-06-04  3:01   ` David Ahern
2024-06-04 14:04     ` Jakub Kicinski
2024-06-04 21:28       ` Saeed Mahameed
2024-06-04 22:32         ` Jakub Kicinski
2024-06-05 14:50           ` Jason Gunthorpe
2024-06-05 15:41             ` Jakub Kicinski
2024-06-04 23:56       ` Dan Williams
2024-06-05  3:05         ` Jakub Kicinski
2024-06-05 11:19         ` Jonathan Cameron
2024-06-05 13:59         ` Jason Gunthorpe
2024-06-06  2:35           ` David Ahern
2024-06-06 14:18             ` Jakub Kicinski
2024-06-06 14:48               ` Jason Gunthorpe
2024-06-06 15:05                 ` Jakub Kicinski
2024-06-06 17:47                   ` David Ahern
2024-06-07  6:48                     ` Jiri Pirko
2024-06-07 14:50                       ` David Ahern
2024-06-07 15:14                         ` Jason Gunthorpe
2024-06-07 15:50                           ` Jiri Pirko
2024-06-07 17:24                             ` Jason Gunthorpe
2024-06-07  7:34               ` Jiri Pirko
2024-06-07 12:49                 ` Andrew Lunn
2024-06-07 13:34                   ` Jiri Pirko
2024-06-08  1:43                     ` Jakub Kicinski
2024-06-06  4:56           ` Dan Williams
2024-06-06  8:50             ` Leon Romanovsky
2024-06-06 22:11               ` Dan Williams
2024-06-07  0:02                 ` Jason Gunthorpe
2024-06-07 13:12                 ` Leon Romanovsky
2024-06-06 14:41             ` Jason Gunthorpe
2024-06-06 14:58               ` Jakub Kicinski
2024-06-06 17:24               ` Dan Williams
2024-06-07  0:25                 ` Jason Gunthorpe
2024-06-07 10:47                   ` Przemek Kitszel
2024-06-11 15:36           ` Daniel Vetter
2024-06-11 16:17             ` Jason Gunthorpe
2024-06-11 16:54               ` Daniel Vetter
2024-06-06  1:58       ` David Ahern
2024-06-05  3:11 ` Jakub Kicinski
2024-06-05 12:06   ` Jason Gunthorpe

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