linux-kernel - Re: [PATCH 0/3] clear_warn_once: add timed interval resetting

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Date:   Sun, 29 Nov 2020 19:08:28 -0800
From:   Andi Kleen <ak@...ux.intel.com>
To:     Paul Gortmaker <paul.gortmaker@...driver.com>
Cc:     linux-kernel@...r.kernel.org, Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        John Ogness <john.ogness@...utronix.de>
Subject: Re: [PATCH 0/3] clear_warn_once: add timed interval resetting

On Thu, Nov 26, 2020 at 01:30:26AM -0500, Paul Gortmaker wrote:
> But you currently can't make use of clear_warn_once unless you've got
> debugfs enabled and mounted - which may not be desired by some people
> in some deployment situations.

Seems awfully special purpose. The problem with debugfs is security,
or is it no convenient process that could do cron like functionality? 

If it's the first, perhaps what they really need is a way to get
a partial debugfs? 

-Andi