linux-kernel - Re: [PATCH v4 0/3] drivers/perf: add DDR Sub-System Driveway PMU driver for Yitian 710 SoC

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Date:   Tue, 6 Sep 2022 12:58:08 +0800
From:   Shuai Xue <xueshuai@...ux.alibaba.com>
To:     will@...nel.org, Jonathan.Cameron@...wei.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     rdunlap@...radead.org, robin.murphy@....com, mark.rutland@....com,
        baolin.wang@...ux.alibaba.com, zhuo.song@...ux.alibaba.com
Subject: Re: [PATCH v4 0/3] drivers/perf: add DDR Sub-System Driveway PMU
 driver for Yitian 710 SoC


在 2022/8/18 AM11:18, Shuai Xue 写道:
> Hi, Will,
> 
> I am wondering that do you have any comments to this patch set? If/when you're
> happy with them, cloud you please queue them up?
> 
> Thank you :)
> 
> Cheers,
> Shuai.

Gentle ping. Any comment or suggestion is appreciated.

Best Regards,
Shuai

> 
> Changes since v3:
> - add Reviewed-by of Baolin
> - Rebase on Linux v6.0 rc1
> 
> Changes since v2:
> - relaxe build constraints and add COMPILE_TEST
> - explicitly include dependent headers
> - add Reviewed-by, thanks Jonathan Cameron and Randy Dunlap for their
>   valuable review and comments
> - Link: https://lore.kernel.org/linux-arm-kernel/20220715151310.90091-4-xueshuai@linux.alibaba.com/T/#m1116abc4b0bda1943ab436a45d95359f9bbe0858
> 
> Changes since v1:
> - add high level workflow about DDRC so that user cloud better understand
>   the PMU hardware mechanism
> - rewrite patch description and add interrupt sharing constraints
> - delete event perf prefix
> - add a condition to fix bug in ali_drw_pmu_isr
> - perfer CPU in the same Node when migrating irq
> - use FIELD_PREP and FIELD_GET to make code more readable
> - add T-Head HID and leave ARMHD700 as CID for compatibility
> - Link: https://lore.kernel.org/linux-arm-kernel/eb50310d-d4a0-c7ff-7f1c-b4ffd919b10c@linux.alibaba.com/T/
> 
> This patchset adds support for Yitian 710 DDR Sub-System Driveway PMU driver,
> which custom-built by Alibaba Group's chip development business, T-Head.
> 
> Shuai Xue (3):
>   docs: perf: Add description for Alibaba's T-Head PMU driver
>   drivers/perf: add DDR Sub-System Driveway PMU driver for Yitian 710
>     SoC
>   MAINTAINERS: add maintainers for Alibaba' T-Head PMU driver
> 
>  .../admin-guide/perf/alibaba_pmu.rst          | 100 +++
>  Documentation/admin-guide/perf/index.rst      |   1 +
>  MAINTAINERS                                   |   6 +
>  drivers/perf/Kconfig                          |   7 +
>  drivers/perf/Makefile                         |   1 +
>  drivers/perf/alibaba_uncore_drw_pmu.c         | 810 ++++++++++++++++++
>  6 files changed, 925 insertions(+)
>  create mode 100644 Documentation/admin-guide/perf/alibaba_pmu.rst
>  create mode 100644 drivers/perf/alibaba_uncore_drw_pmu.c
>