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

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Message-ID: <20250207160811.35898a4d@kernel.org>
Date: Fri, 7 Feb 2025 16:08:11 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Andy Gospodarek <andrew.gospodarek@...adcom.com>
Cc: Jason Gunthorpe <jgg@...dia.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>,
 David Ahern <dsahern@...nel.org>, 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, Saeed Mahameed
 <saeedm@...dia.com>, "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 Fri, 7 Feb 2025 18:29:15 -0500 Andy Gospodarek wrote:
> The primary use-case that I find valuable is the ability to perform
> debug of different parts of a hardware pipeline when devices are
> already in the field.

I think we covered the "debug by people who have access to the RTL"
in previous iterations. For networking that's not a sufficient use
case for a backdoor this powerful, sorry.