netdev - Re: [PATCH v4 10/10] bnxt: Create an auxiliary device for fwctl

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Message-ID: <20250218200520.GI4183890@nvidia.com>
Date: Tue, 18 Feb 2025 16:05:20 -0400
From: Jason Gunthorpe <jgg@...dia.com>
To: David Ahern <dsahern@...nel.org>
Cc: Jakub Kicinski <kuba@...nel.org>, Saeed Mahameed <saeedm@...dia.com>,
	Andy Gospodarek <andrew.gospodarek@...adcom.com>,
	Aron Silverton <aron.silverton@...cle.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Dave Jiang <dave.jiang@...el.com>,
	Andy Gospodarek <gospo@...adcom.com>,
	Christoph Hellwig <hch@...radead.org>,
	Itay Avraham <itayavr@...dia.com>, Jiri Pirko <jiri@...dia.com>,
	Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	Leonid Bloch <lbloch@...dia.com>,
	Leon Romanovsky <leonro@...dia.com>, linux-cxl@...r.kernel.org,
	linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
	"Nelson, Shannon" <shannon.nelson@....com>,
	Michael Chan <michael.chan@...adcom.com>
Subject: Re: [PATCH v4 10/10] bnxt: Create an auxiliary device for fwctl_bnxt

On Tue, Feb 11, 2025 at 09:24:35AM -0700, David Ahern wrote:

> "Any resources in use by the netdev stack can only be created and
> modified by established netdev tools."

That is already a restriction described in the doc, not just netdev,
but any kernel driver running with any kernel owned resource. You
can't reach in and change kernel owned objects.

Jason