linux-kernel - Re: [PATCH v10 0/5] drivers/perf: add Synopsys DesignWare PCIe PMU driver support

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Message-ID: <2a4c5d33-a26a-40b6-bbf4-268393b6de74@linux.alibaba.com>
Date:   Thu, 16 Nov 2023 09:49:13 +0800
From:   Shuai Xue <xueshuai@...ux.alibaba.com>
To:     Ilkka Koskinen <ilkka@...amperecomputing.com>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>
Cc:     kaishen@...ux.alibaba.com, helgaas@...nel.org,
        yangyicong@...wei.com, will@...nel.org,
        Jonathan.Cameron@...wei.com, baolin.wang@...ux.alibaba.com,
        robin.murphy@....com, chengyou@...ux.alibaba.com,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-pci@...r.kernel.org, rdunlap@...radead.org,
        mark.rutland@....com, zhuo.song@...ux.alibaba.com,
        renyu.zj@...ux.alibaba.com
Subject: Re: [PATCH v10 0/5] drivers/perf: add Synopsys DesignWare PCIe PMU
 driver support



On 2023/11/16 08:57, Ilkka Koskinen wrote:
> 
> Hi Shuai,
> 
> On Sat, 4 Nov 2023, Shuai Xue wrote:
>> Change Log
>> ==========
>>
>> - move the &plat_dev->dev to previous line to warp more beautiful (Per Jonathan)
>> - rename error label with the same suffix 'err'  (Per Jonathan)
>> - drop unnecessary else branch and return directly (Per Baolin)
>> - warp out set prev_count from dwc_pcie_pmu_set_period (Per Baolin)
>> - use PMU_FORMAT_ATTR to simplify format sysfs stuff (Per Will)
>> - export pci_clear_and_set_dword() to simplify _enable() functions  (Per Will)
>> - simplify _read() function by unconditionally calculate with unit in bytes plused if branch for group#1 event (Per Will and Robin)
>> - simplify _update() function by unconditionally mask with 64-bit width plused if branch for lane event (Per Will)
>> - add type sanity check in _init() (Per Will)
>> - test with fuzzing tool before this new version (Per Will)
>> - register a platform device for each PCI device to probe RAS_DES PMU cap (Per Robin)
>> - add dwc_pcie_vendor_ids to extend vendor id for future added device (Per Krishna)
>> - pickup review-by tag from Baolin, Yicong and Jonathan
> 
> ...
> 
>> Shuai Xue (5):
>>  docs: perf: Add description for Synopsys DesignWare PCIe PMU driver
>>  PCI: Add Alibaba Vendor ID to linux/pci_ids.h
>>  PCI: move pci_clear_and_set_dword helper to pci header
>>  drivers/perf: add DesignWare PCIe PMU driver
>>  MAINTAINERS: add maintainers for DesignWare PCIe PMU driver
> 
> As I mentioned earlier, I successfully tested your patchset with a few patches on top of it to enable DWC PCIe PMU on AmpereOne. Thus, feel free to add this tag to all the patches above:
> 
>     Tested-by: Ilkka Koskinen <ilkka@...amperecomputing.com>
> 
> Br, Ilkka

Hi, Ilkka,

Thank you.

I will add your tested-by tag in the upcoming version v11. However, I
kindly request some time to wait for feedback from esteemed maintainers such
as Will, and Robin.

Cheers,
Shuai