linux-kernel - Re: [PATCH v2] i2c: designware: Fix corrupted memory seen in the ISR

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Message-ID: <ZUCV69icaJWd7AdH@shikoro>
Date:   Tue, 31 Oct 2023 06:51:39 +0100
From:   Wolfram Sang <wsa@...nel.org>
To:     Jan Bottorff <janb@...amperecomputing.com>
Cc:     Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Serge Semin <fancer.lancer@...il.com>,
        Yann Sionneau <ysionneau@...rayinc.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Yann Sionneau <yann@...nneau.net>,
        Will Deacon <will@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Jan Dabros <jsd@...ihalf.com>,
        Andi Shyti <andi.shyti@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] i2c: designware: Fix corrupted memory seen in the ISR


> I'm personally in camp #2, safety first, performance fine tuning later if
> needed. Latent missing barrier bugs are difficult and time consuming to
> find.

I agree.


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