linux-kernel - Re: [PATCH v5 0/4] perf: ampere: Add support for Ampere SoC PMUs

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Date:   Fri, 28 Jul 2023 14:29:29 +0100
From:   Will Deacon <will@...nel.org>
To:     Ilkka Koskinen <ilkka@...amperecomputing.com>
Cc:     Robin Murphy <robin.murphy@....com>,
        Besar Wicaksono <bwicaksono@...dia.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Mark Rutland <mark.rutland@....com>,
        Jonathan Corbet <corbet@....net>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org
Subject: Re: [PATCH v5 0/4] perf: ampere: Add support for Ampere SoC PMUs

On Thu, Jul 13, 2023 at 06:01:37PM -0700, Ilkka Koskinen wrote:
> Changes since v4:
>     * "Support implementation specific filters" patch:
>         - Added comment about filter and impdef registers and reference
>           to the Coresight PMU specification to the commit message
> 
>     * "Add support for Ampere SoC PMU" patch:
> 	- Fixed the documentation and added more comments
>         - Changed the incrementing PMU index number to idr_alloc()
> 	  (Needs a impdef release hook patch to release unused index)
> 	- Fixed style in init_ops() to more reasonable
> 	- Moved bank parameter to config1

This looks pretty good to me, but I think we should merge the series
reworking the backend registration first:

  https://lore.kernel.org/all/20230705104745.52255-1-bwicaksono@nvidia.com/

and then this should slot in quite nicely. I've left a minor comment over
there and I'd like Suzuki's review, but then we're good to go.

Cheers,

Will