Re: [PING] PCI: Fix procfs PCI config access issues

[duziming <duziming2@huawei.com>]

在 2026/8/17 14:22, duziming 写道:
>
> 在 2026/7/30 11:24, Ziming Du 写道:
>> Hi,
>>
>> As suggested by Bjorn and Krzysztof, this series aligns the procfs PCI
>> configuration access implementation with its sysfs counterpart and fixes
>> issues found while reviewing the two paths.
>>
>> The first four patches fix the offset truncation, inode size update 
>> race,
>> missing driver-exclusive resource warning, and unnecessary runtime PM
>> operations at the end of sysfs configuration space. The final two
>> patches align the procfs read and write implementations with their sysfs
>> counterparts.
>>
>> Changes from v1:
>>    - Merge the read and write offset fixes and move them before the
>>      refactoring to avoid an intermediate signed/unsigned regression.
>>    - Serialize i_size_write() with the inode lock.
>>    - Add the driver-exclusive resource warning to procfs writes.
>>    - Avoid unnecessary runtime PM get/put when sysfs config access 
>> starts at EOF.
>>
>> Link: https://lore.kernel.org/all/20260303193253.GA3817951@bhelgaas/
>> Link: 
>> https://lore.kernel.org/linux-pci/20260414024544.2975605-1-duziming2@huawei.com/
>> Link: 
>> https://sashiko.dev/#/patchset/20260414024544.2975605-1-duziming2%40huawei.com
>>
>>
>> Ziming Du (6):
>>    PCI: Prevent overflow in proc_bus_pci_{read,write}()
>>    PCI/proc: Serialize config inode size updates
>>    PCI/proc: Warn on writes to driver-exclusive config regions
>>    PCI/sysfs: Avoid runtime PM at config-space EOF
>>    PCI: Align proc_bus_pci_write() with pci_write_config()
>>    PCI: Align proc_bus_pci_read() with pci_read_config()
>>
>>   drivers/pci/pci-sysfs.c |   4 +-
>>   drivers/pci/proc.c      | 124 +++++++++++++++++++++-------------------
>>   2 files changed, 68 insertions(+), 60 deletions(-)
>
> Hi,
>
> Gentle ping on this patch.
>
> Thanks
>
> Ziming

Hi all,

Just gently bumping this patch to the top of your inbox.

I would really appreciate any feedback, review, or thoughts when you 
have some spare cycles.

Thanks, Ziming