From: Jakub Kicinski <kuba@kernel.org>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Simon Horman <horms@kernel.org>,
Abhijit Gangurde <abhijit.gangurde@amd.com>,
shannon.nelson@amd.com, brett.creeley@amd.com,
davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
corbet@lwn.net, leon@kernel.org, andrew+netdev@lunn.ch,
allen.hubbe@amd.com, nikhil.agarwal@amd.com,
linux-rdma@vger.kernel.org, netdev@vger.kernel.org,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 03/14] net: ionic: Export the APIs from net driver to support device commands
Date: Fri, 1 Aug 2025 13:21:28 -0700 [thread overview]
Message-ID: <20250801132128.69940aab@kernel.org> (raw)
In-Reply-To: <20250801170014.GG26511@ziepe.ca>
On Fri, 1 Aug 2025 14:00:14 -0300 Jason Gunthorpe wrote:
> > Perhaps I misunderstand things, or otherwise am on the wrong track here.
> > But this seems to open the possibility of users of ionic_adminq_post_wait(),
> > outside the Ethernet driver, executing a wide range or admin commands.
> > It seems to me that it would be nice to narrow that surface.
>
> The kernel is monolithic, it is not normal to spend performance
> aggressively policing APIs.
>
> mlx5 and other drivers already have interfaces almost exactly like this.
Which is not to say that it's a good idea.
next prev parent reply other threads:[~2025-08-01 20:21 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-23 17:31 [PATCH v4 00/14] Introduce AMD Pensando RDMA driver Abhijit Gangurde
2025-07-23 17:31 ` [PATCH v4 01/14] net: ionic: Create an auxiliary device for rdma driver Abhijit Gangurde
2025-07-23 18:11 ` Shannon Nelson
2025-07-28 10:17 ` Abhijit Gangurde
2025-08-01 21:15 ` Christophe JAILLET
2025-08-06 8:14 ` Abhijit Gangurde
2025-08-09 10:58 ` Christophe JAILLET
2025-07-23 17:31 ` [PATCH v4 02/14] net: ionic: Update LIF identity with additional RDMA capabilities Abhijit Gangurde
2025-07-25 16:29 ` Simon Horman
2025-07-23 17:31 ` [PATCH v4 03/14] net: ionic: Export the APIs from net driver to support device commands Abhijit Gangurde
2025-07-25 16:41 ` Simon Horman
2025-08-01 17:00 ` Jason Gunthorpe
2025-08-01 20:21 ` Jakub Kicinski [this message]
2025-08-06 7:54 ` Abhijit Gangurde
2025-08-06 17:58 ` Leon Romanovsky
2025-07-23 17:31 ` [PATCH v4 04/14] net: ionic: Provide RDMA reset support for the RDMA driver Abhijit Gangurde
2025-07-23 17:31 ` [PATCH v4 05/14] net: ionic: Provide interrupt allocation " Abhijit Gangurde
2025-07-23 17:31 ` [PATCH v4 06/14] net: ionic: Provide doorbell and CMB region information Abhijit Gangurde
2025-07-23 17:31 ` [PATCH v4 07/14] RDMA: Add IONIC to rdma_driver_id definition Abhijit Gangurde
2025-07-23 17:31 ` [PATCH v4 08/14] RDMA/ionic: Register auxiliary module for ionic ethernet adapter Abhijit Gangurde
2025-07-23 17:31 ` [PATCH v4 09/14] RDMA/ionic: Create device queues to support admin operations Abhijit Gangurde
2025-07-23 17:31 ` [PATCH v4 10/14] RDMA/ionic: Register device ops for control path Abhijit Gangurde
2025-07-23 17:31 ` [PATCH v4 11/14] RDMA/ionic: Register device ops for datapath Abhijit Gangurde
2025-07-23 17:31 ` [PATCH v4 12/14] RDMA/ionic: Register device ops for miscellaneous functionality Abhijit Gangurde
2025-07-23 17:31 ` [PATCH v4 13/14] RDMA/ionic: Implement device stats ops Abhijit Gangurde
2025-07-23 17:31 ` [PATCH v4 14/14] RDMA/ionic: Add Makefile/Kconfig to kernel build environment Abhijit Gangurde
2025-07-23 18:10 ` Randy Dunlap
2025-07-30 5:12 ` Abhijit Gangurde
2025-07-23 18:13 ` Shannon Nelson
2025-07-28 10:25 ` Abhijit Gangurde
2025-07-24 15:49 ` kernel test robot
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