linux-kernel - Re: [PATCH 0/5] coresight: TRBE and Self-Hosted trace fixes

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Message-ID: <20210712170246.GB1777012@p14s>
Date:   Mon, 12 Jul 2021 11:02:46 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Suzuki K Poulose <suzuki.poulose@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, coresight@...ts.linaro.org,
        linux-kernel@...r.kernel.org, al.grant@....com,
        anshuman.khandual@....com, leo.yan@...aro.org,
        mike.leach@...aro.org, peterz@...radead.org, Tamas.Zsoldos@....com,
        will@...nel.org
Subject: Re: [PATCH 0/5] coresight: TRBE and Self-Hosted trace fixes

On Mon, Jul 12, 2021 at 12:38:25PM +0100, Suzuki K Poulose wrote:
> This is a series of fixes addressing the issues in the way we handle
>   - Self-Hosted trace filter control register for ETM/ETE
>   - AUX buffer and event handling of TRBE at overflow.
> 
> The use of TRUNCATED flag on an IRQ for the TRBE driver is
> something that needs to be rexamined. Please see Patch 3 for
> more details.
> 
> Suzuki K Poulose (5):
>   coresight: etm4x: Save restore TRFCR_EL1
>   coresight: etm4x: Use Trace Filtering controls dynamically
>   coresight: trbe: Keep TRBE disabled on overflow irq
>   coresight: trbe: Move irq_work queue processing
>   coresight: trbe: Prohibit tracing while handling an IRQ
> 
>  .../coresight/coresight-etm4x-core.c          | 109 ++++++++++++++----
>  drivers/hwtracing/coresight/coresight-etm4x.h |   7 +-
>  drivers/hwtracing/coresight/coresight-trbe.c  |  91 ++++++++++-----
>  3 files changed, 149 insertions(+), 58 deletions(-)

Anshuman - please have a look when you have a minutes.

Thanks,
Mathieu

> 
> -- 
> 2.24.1
>