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

From: Shuai Xue
Date: Tue Sep 06 2022 - 00:58:26 EST



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@xxxxxxxxxxxxxxxxx/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@xxxxxxxxxxxxxxxxx/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
>