linux-kernel - Re: [RFC PATCH 01/16] rv: Add Runtime Verification (RV) interface

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Date:   Thu, 20 May 2021 08:54:39 +0200
From:   Daniel Bristot de Oliveira <bristot@...hat.com>
To:     Randy Dunlap <rdunlap@...radead.org>, linux-kernel@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>
Cc:     Tommaso Cucinotta <tommaso.cucinotta@...tannapisa.it>,
        Kate Carcia <kcarcia@...hat.com>,
        Jonathan Corbet <corbet@....net>,
        Ingo Molnar <mingo@...hat.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Will Deacon <will@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Joel Fernandes <joel@...lfernandes.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Gabriele Paoloni <gabriele.paoloni@...el.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Clark Williams <williams@...hat.com>, linux-doc@...r.kernel.org
Subject: Re: [RFC PATCH 01/16] rv: Add Runtime Verification (RV) interface

On 5/19/21 8:10 PM, Randy Dunlap wrote:
> On 5/19/21 4:36 AM, Daniel Bristot de Oliveira wrote:
>> diff --git a/kernel/trace/rv/Kconfig b/kernel/trace/rv/Kconfig
>> new file mode 100644
>> index 000000000000..e8e65cfc7959
>> --- /dev/null
>> +++ b/kernel/trace/rv/Kconfig
>> @@ -0,0 +1,13 @@
>> +# SPDX-License-Identifier: GPL-2.0-only
>> +#
>> +menuconfig RV
>> +	bool "Runtime Verification"
>> +	depends on TRACING
>> +	default y if DEBUG_KERNEL
> 
> No need for default y. There are other reasons to use DEBUG_KERNEL
> without wanting RV turned on.

yes, you are right, I will remove it.

>> +	help
>> +	  Enable the kernel runtime verification infrastructure. RV is a
>> +	  lightweight (yet rigorous) method that complements classical
>> +	  exhaustive verification techniques (such as model checking and
>> +	  theorem proving). RV works by analyzing the trace of the system's
>> +	  actual execution, comparing it against a formal specification of
>> +	  the system behavior.
> 
> And in the cover/patch 00:
> tlrd:
> should be
> tl;dr:
> or at least
> tldr:
> :)

Ack!

Thanks!
-- Daniel