linux-kernel - Re: [PATCH V4 0/5] mlx5 ConnectX control misc driver

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Message-ID: <20240214101126.0c3681ee@kernel.org>
Date: Wed, 14 Feb 2024 10:11:26 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Jason Gunthorpe <jgg@...dia.com>
Cc: Andy Gospodarek <andrew.gospodarek@...adcom.com>, Christoph Hellwig
 <hch@...radead.org>, Saeed Mahameed <saeed@...nel.org>, Arnd Bergmann
 <arnd@...db.de>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Leon
 Romanovsky <leonro@...dia.com>, Jiri Pirko <jiri@...dia.com>, Leonid Bloch
 <lbloch@...dia.com>, Itay Avraham <itayavr@...dia.com>, Saeed Mahameed
 <saeedm@...dia.com>, David Ahern <dsahern@...nel.org>, Aron Silverton
 <aron.silverton@...cle.com>, linux-kernel@...r.kernel.org,
 netdev@...r.kernel.org
Subject: Re: [PATCH V4 0/5] mlx5 ConnectX control misc driver

On Wed, 14 Feb 2024 13:57:35 -0400 Jason Gunthorpe wrote:
> There is a clear split in my mind between:
>  - inspection debugging
>  - invasive mutating debugging
>  - configuration

Yes there's a clear split, and how are you going to enforce it on 
an opaque interface? Put an "evil" bit in the common header?

> And maybe "invasive mutating debugging" taints the kernel or something
> like that.