linux-kernel - Re: [PATCH v7 0/3] EDAC/ghes: refactor memory error reporting to avoid code duplication

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Date:   Tue, 22 Mar 2022 14:09:46 +0800
From:   Shuai Xue <xueshuai@...ux.alibaba.com>
To:     bp@...en8.de, rric@...nel.org
Cc:     mchehab@...nel.org, tony.luck@...el.com, james.morse@....com,
        ardb@...nel.org, linux-edac@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org,
        zhangliguang@...ux.alibaba.com, zhuo.song@...ux.alibaba.com
Subject: Re: [PATCH v7 0/3] EDAC/ghes: refactor memory error reporting to
 avoid code duplication

Gentle ping.

在 2022/3/8 PM10:40, Shuai Xue 写道:
> ghes_edac_report_mem_error() in ghes_edac.c is a Long Method and have
> Duplicated Code with cper_mem_err_location(), cper_dimm_err_location(), and
> cper_mem_err_type_str() in drivers/firmware/efi/cper.c. In addition, the
> cper_print_mem() in drivers/firmware/efi/cper.c only reports the error
> status and misses its description.
> 
> This patch set is to refactor ghes_edac_report_mem_error with:
> 
> - Patch 01 is to wrap up error status decoding logics and reuse it in
>     cper_print_mem().
> - Patch 02 is to introduces cper_*(), into ghes_edac_report_mem_error(),
>   this can avoid bunch of duplicate code lines;
> - Patch 03 is to improve report format  
> 
> Changes since v6:
> - Rework patch 02 by Borislav Petkov
> - add patch 03 to improve format
> - Link: https://lore.kernel.org/r/20220303122626.99740-3-xueshuai@linux.alibaba.com
>   
> Changes since v5:
> - Delete change summary in commit log
> - Link: https://lore.kernel.org/all/20220126081702.55167-1-xueshuai@linux.alibaba.com/
> - Thanks Borislav Petkov for review comments.
> 
> Changes since v4:
> - Fix alignment and format problem
> - Link: https://lore.kernel.org/all/20220125024939.30635-1-xueshuai@linux.alibaba.com/
> 
> Changes since v3:
> 
> - make cper_mem_err_status_str table a lot more compact
> - Fix alignment and format problem
> - Link: https://lore.kernel.org/all/20220124024759.19176-1-xueshuai@linux.alibaba.com/
> 
> Changes since v2:
> 
> - delete the unified patch
> - adjusted the order of patches
> - Link: https://lore.kernel.org/all/20211210134019.28536-1-xueshuai@linux.alibaba.com/
> 
> Changes since v1:
> 
> - add a new patch to unify ghes and cper before removing duplication.
> - document the changes in patch description
> - add EXPORT_SYMBOL_GPL()s for cper_*()
> - document and the dependency and add UEFI_CPER dependency explicitly
> - Link: https://lore.kernel.org/all/20211207031905.61906-2-xueshuai@linux.alibaba.com/
> 
> Shuai Xue (3):
>   efi/cper: add cper_mem_err_status_str to decode error description
>   EDAC/ghes: Unify CPER memory error location reporting
>   efi/cper: reformat CPER memory error location to more readable
> 
>  drivers/edac/Kconfig        |   1 +
>  drivers/edac/ghes_edac.c    | 200 +++++++-----------------------------
>  drivers/firmware/efi/cper.c |  64 ++++++++----
>  include/linux/cper.h        |   3 +
>  4 files changed, 87 insertions(+), 181 deletions(-)