linux-kernel - Re: [PATCH 0/2] coresight: Add barrier packet when moving offset forward

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Message-ID: <CANLsYkxC-4UZcVKoTQiJ2PsDxwuriFoAwqdbM39EC1G3nwwAHg@mail.gmail.com>
Date:   Mon, 26 Aug 2019 08:59:46 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Yabin Cui <yabinc@...gle.com>
Cc:     Suzuki K Poulose <suzuki.poulose@....com>,
        Leo Yan <leo.yan@...aro.org>, Mike Leach <mike.leach@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/2] coresight: Add barrier packet when moving offset forward

Hi Yabin,

On Fri, 23 Aug 2019 at 18:30, Yabin Cui <yabinc@...gle.com> wrote:
>
> Thanks for fixing this problem. I didn't realize it because I usually use a
> buffer size >= the default ETR buffer size, which is harder to reproduce the
> problem.
> The patches LGTM, maybe you also want to fix the problem commented by Leo Yan.

I will look into the issue reported by Leo later today.

> I tested the patches by recording etm data with a buffer size smaller than the
> default ETR buffer size. Then I saw barrier packets when decoding with OpenCSD.
> And I could decode successfully without error message.

Can I add your Tested-by ?