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Message-ID: <e53ddfa5-1e6b-a771-bb96-b43640b1d3b2@kernel.org>
Date: Wed, 13 Jul 2022 21:13:35 +0200
From: Daniel Bristot de Oliveira <bristot@...nel.org>
To: Steven Rostedt <rostedt@...dmis.org>,
Guenter Roeck <linux@...ck-us.net>
Cc: Wim Van Sebroeck <wim@...ux-watchdog.org>,
Jonathan Corbet <corbet@....net>,
Ingo Molnar <mingo@...hat.com>,
Thomas Gleixner <tglx@...utronix.de>,
Peter Zijlstra <peterz@...radead.org>,
Will Deacon <will@...nel.org>,
Catalin Marinas <catalin.marinas@....com>,
Marco Elver <elver@...gle.com>,
Dmitry Vyukov <dvyukov@...gle.com>,
"Paul E. McKenney" <paulmck@...nel.org>,
Shuah Khan <skhan@...uxfoundation.org>,
Gabriele Paoloni <gpaoloni@...hat.com>,
Juri Lelli <juri.lelli@...hat.com>,
Clark Williams <williams@...hat.com>,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-trace-devel@...r.kernel.org
Subject: Re: [PATCH V4 18/20] rv/monitor: Add safe watchdog monitor
On 6/16/22 10:45, Daniel Bristot de Oliveira wrote:
> The watchdog is an essential building block for the usage of Linux in
> safety-critical systems because it allows the system to be monitored from
> an external element - the watchdog hardware, acting as a safety-monitor.
Guenter and Steven,
I will move the watchdog monitor to a separated thread, as it will require
further discussions specific to it, mainly to get feedback from watchdog
maintainers.
Anyways, I am adding additional information for the sample monitors based on our
discussions here.
They are:
I added documentation about the automata format and the translation between
the formal <-> dot -> C.
I am adding the .dot file to the tools/verification/models/ so that one can get
the .dot file and convert it to other formats, like, a png file. This
will make it easy to read the automata model.
I am adding a .rst documentation for each model, including details about it.
I will send the v5 of RV without the safe_wtd monitor and then start a new
one about the watchdog later, after getting the RV interface series ready.
-- Daniel
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