Re: [PATCH v6 00/24] PCI: Convert all dynamic sysfs attributes to static

[Shivaprasad G Bhat <sbhat@linux.ibm.com>]

Hi Krzysztof,


On 4/23/26 10:52 PM, Krzysztof Wilczyński wrote:
> Hello,
>
>> This series converts every dynamically allocated PCI sysfs attribute to
>> a static const definition.  After the full series, pci_sysfs_init() and
>> sysfs_initialized are gone, and every sysfs file is created by the
>> driver model at device_add() time.
> A note on testing:
>
>    0-day bot (recent test runs; newer builds will arrive later):
>      - https://lore.kernel.org/linux-pci/202604231622.DgR0zih3-lkp@intel.com
>      - https://lore.kernel.org/linux-pci/202604161928.DzuHQmeM-lkp@intel.com
>      - https://lore.kernel.org/linux-pci/202604121312.sF0Ua4gP-lkp@intel.com
>      - https://lore.kernel.org/linux-pci/202604111631.lrwAylMM-lkp@intel.com
>      - https://lore.kernel.org/linux-pci/202603170336.zSLrDvlj-lkp@intel.com
>      - https://lore.kernel.org/linux-pci/202603122052.tMV5rzNq-lkp@intel.com
>      - https://lore.kernel.org/linux-pci/202603081334.b91RGVS6-lkp@intel.com
>      - https://lore.kernel.org/linux-pci/202603060207.pnGfKgGa-lkp@intel.com
>
>    KernelCI (for the "for-kernelci" branch):
>      - https://dashboard.kernelci.org/tree/linux-pci/for-kernelci/941dd7c3e16840724dc961f10b84e193d13cdb57
>      - https://dashboard.kernelci.org/tree/linux-pci/for-kernelci/683e66b11da157f730101f6919c7468a09cf3e3f
>      - https://dashboard.kernelci.org/tree/linux-pci/for-kernelci/209e2cfd205a8aad4bae32e6f82b96b20902aa74
>      - https://dashboard.kernelci.org/tree/linux-pci/for-kernelci/70293477e2c0ae8cbc250098818e726e1d658b53
>      - https://dashboard.kernelci.org/tree?ts=pci
>
>    Sashiko's feedback:
>      - https://sashiko.dev/#/patchset/20260422161407.118748-1-kwilczynski%40kernel.org
>      - https://sashiko.dev/#/patchset/20260416180107.777065-1-kwilczynski%40kernel.org
>      - https://sashiko.dev/#/patchset/20260411080148.471335-1-kwilczynski%40kernel.org
>      - https://sashiko.dev/#/patchset/20260410055040.39233-1-kwilczynski%40kernel.org
>
> I sadly do not own any Alpha or PowerPC hardware, so when I was testing
> these architectures while working on the series, it would be only under
> QEMU.

I tested the patches on PPC64 machines running as pSeries(on PowerVM and 
KVM) also PowerNV.

The sysfs attributes looks normal on boot, and on hotplug/unplug of 
devices and SRIOV use cases.

I see no warnings/errors in dmesg during PCI scans, initialization.


Tested-By: Shivaprasad G Bhat <sbhat@linux.ibm.com>


Thanks,

Shivaprasad


> That said, Magnus Lindholm was able to test the series on the Alpha
> hardware he owns, see:
>
>    - https://lore.kernel.org/linux-pci/CA+=Fv5Q1tZQwnanw99NbvzT-QenfYz7vUdY02_TuPqHX32ZAiA@mail.gmail.com
>
> Lorenzo Pieralisi did some testing reported outside the mailing list (we
> talked on IRC), on the platform he had issues before, and while the issues
> were more with procfs races, similar to the sysfs ones this series aims to
> fix, he didn't notice regressions when having this series applied.
>
> Thank you!
>
>          Krzysztof
>