linux-kernel - Re: [PATCH V3 5/5] misc: mlx5ctl: Add umem reg/unreg ioctl

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Message-ID: <20231121124456.7a6388c6@kernel.org>
Date:   Tue, 21 Nov 2023 12:44:56 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Saeed Mahameed <saeed@...nel.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jason Gunthorpe <jgg@...dia.com>,
        Leon Romanovsky <leonro@...dia.com>,
        Jiri Pirko <jiri@...dia.com>, Leonid Bloch <lbloch@...dia.com>,
        Itay Avraham <itayavr@...dia.com>,
        linux-kernel@...r.kernel.org, Saeed Mahameed <saeedm@...dia.com>
Subject: Re: [PATCH V3 5/5] misc: mlx5ctl: Add umem reg/unreg ioctl

On Mon, 20 Nov 2023 23:06:19 -0800 Saeed Mahameed wrote:
> high frequency diagnostic counters

So is it a debug driver or not a debug driver?

Because I'm pretty sure some people want to have access to high freq
counters in production, across their fleet. What's worse David Ahern
has been pitching a way of exposing device counters which would be
common across netdev.

Definite nack on this patch.