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Message-ID: <CANpmjNNUinNdBBOVbAgQQYCJVftgUfQQZyPSchWhyVRyjWpedA@mail.gmail.com>
Date:   Sat, 4 Dec 2021 00:45:30 +0100
From:   Marco Elver <elver@...gle.com>
To:     paulmck@...nel.org
Cc:     Alexander Potapenko <glider@...gle.com>,
        Boqun Feng <boqun.feng@...il.com>,
        Borislav Petkov <bp@...en8.de>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Ingo Molnar <mingo@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Waiman Long <longman@...hat.com>,
        Will Deacon <will@...nel.org>, kasan-dev@...glegroups.com,
        linux-arch@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, llvm@...ts.linux.dev, x86@...nel.org
Subject: Re: [PATCH v3 04/25] kcsan: Add core support for a subset of weak
 memory modeling

On Sat, 4 Dec 2021 at 00:42, Paul E. McKenney <paulmck@...nel.org> wrote:
[...]
> And to further extend this bug report, the following patch suppresses
> the error.
>
>                                                         Thanx, Paul
>
> ------------------------------------------------------------------------
>
> commit d157b802f05bd12cf40bef7a73ca6914b85c865e
> Author: Paul E. McKenney <paulmck@...nel.org>
> Date:   Fri Dec 3 15:35:29 2021 -0800
>
>     kcsan: selftest: Move test spinlock to static global

Indeed, that will fix the selftest. The kcsan_test has the same
problem (+1 extra problem).

We raced sending the fix. :-)
I hope this patch works for you:
https://lkml.kernel.org/r/20211203233817.2815340-1-elver@google.com

Thanks,
-- Marco

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