linux-kernel - Re: [RESEND PATCH v4 0/2] PCI: Introduce pci_clear/set_config

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <1d267e9e-5e32-483c-8b53-1454d4dc5e9a@163.com>
Date: Sun, 18 Jan 2026 21:47:54 +0800
From: Hans Zhang <18255117159@....com>
To: mahesh@...ux.ibm.com, bhelgaas@...gle.com
Cc: oohall@...il.com, mani@...nel.org, lukas@...ner.de,
 linuxppc-dev@...ts.ozlabs.org, linux-pci@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [RESEND PATCH v4 0/2] PCI: Introduce pci_clear/set_config_dword()

Hi,

Gentle ping.

Best regards,
Hans

On 2025/11/2 00:22, Hans Zhang wrote:
> This series introduces auxiliary functions for the PCI configuration space
> and simplifies the read and write operations of the AER driver, reducing a
> lot of repetitive code.
> 
> Patch 1 adds pci_clear_config_dword() and pci_set_config_dword() helpers
> to reduce repetitive read-modify-write sequences when modifying PCI config
> space. These helpers improve code readability and maintainability.
> 
> Patch 2 refactors the PCIe AER driver to use these new helpers,
> eliminating manual read-modify-write patterns and intermediate variable
> in several functions. This results in cleaner and more concise code.
> 
> ---
> Changes for v4:
> - Introduce pci_clear/set_config_dword()
> 
> Changes for v3:
> https://patchwork.kernel.org/project/linux-pci/patch/20250816161743.340684-1-18255117159@163.com/
> 
> - Rebase to v6.17-rc1.
> - The patch commit message were modified.
> - Add Acked-by: Manivannan Sadhasivam <mani@...nel.org>
> 
> Changes for v2:
> - The patch commit message were modified.
> - New optimizations for the functions disable_ecrc_checking, aer_enable_irq, and aer_disable_irq have been added.
> ---
> 
> Hans Zhang (2):
>    PCI: Introduce pci_clear/set_config_dword()
>    PCI/AER: Use pci_clear/set_config_dword to simplify code
> 
>   drivers/pci/pcie/aer.c | 29 ++++++++++-------------------
>   include/linux/pci.h    | 12 ++++++++++++
>   2 files changed, 22 insertions(+), 19 deletions(-)
> 
> 
> base-commit: 8742b2d8935f476449ef37e263bc4da3295c7b58