linux-kernel - Re: [PATCH v3 6/7] venus: Make debug infrastructure more flexible

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Date:   Wed, 10 Jun 2020 12:49:57 -0700
From:   Joe Perches <joe@...ches.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>
Cc:     linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-btrfs@...r.kernel.org, linux-acpi@...r.kernel.org,
        netdev@...r.kernel.org, Jason Baron <jbaron@...mai.com>
Subject: Re: [PATCH v3 6/7] venus: Make debug infrastructure more flexible

On Wed, 2020-06-10 at 15:37 +0200, Greg Kroah-Hartman wrote:
> Please work with the infrastructure we have, we have spent a lot of time
> and effort to make it uniform to make it easier for users and
> developers.

Not quite.

This lack of debug grouping by type has been a
_long_ standing issue with drivers.

> Don't regress and try to make driver-specific ways of doing
> things, that way lies madness...

It's not driver specific, it allows driver developers to
better isolate various debug states instead of keeping
lists of specific debug messages and enabling them
individually.