linux-kernel - RE: [PATCH v13 1/2] ACPI / APEI: Add a notifier chain for unknown (vendor) CPER records

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Message-ID: <eb8336f0357f447baf5c37309d320f57@huawei.com>
Date:   Wed, 22 Jul 2020 12:34:23 +0000
From:   Shiju Jose <shiju.jose@...wei.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
CC:     "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "rjw@...ysocki.net" <rjw@...ysocki.net>,
        "helgaas@...nel.org" <helgaas@...nel.org>,
        "bp@...en8.de" <bp@...en8.de>,
        "james.morse@....com" <james.morse@....com>,
        "lenb@...nel.org" <lenb@...nel.org>,
        "tony.luck@...el.com" <tony.luck@...el.com>,
        "dan.carpenter@...cle.com" <dan.carpenter@...cle.com>,
        "zhangliguang@...ux.alibaba.com" <zhangliguang@...ux.alibaba.com>,
        "Wangkefeng (OS Kernel Lab)" <wangkefeng.wang@...wei.com>,
        "jroedel@...e.de" <jroedel@...e.de>,
        Linuxarm <linuxarm@...wei.com>,
        yangyicong <yangyicong@...wei.com>,
        Jonathan Cameron <jonathan.cameron@...wei.com>,
        tanxiaofei <tanxiaofei@...wei.com>
Subject: RE: [PATCH v13 1/2] ACPI / APEI: Add a notifier chain for unknown
 (vendor) CPER records

Hi Andy,

>-----Original Message-----
>From: Andy Shevchenko [mailto:andriy.shevchenko@...ux.intel.com]
>Sent: 22 July 2020 12:02
>To: Shiju Jose <shiju.jose@...wei.com>
>Cc: linux-acpi@...r.kernel.org; linux-pci@...r.kernel.org; linux-
>kernel@...r.kernel.org; rjw@...ysocki.net; helgaas@...nel.org;
>bp@...en8.de; james.morse@....com; lenb@...nel.org;
>tony.luck@...el.com; dan.carpenter@...cle.com;
>zhangliguang@...ux.alibaba.com; Wangkefeng (OS Kernel Lab)
><wangkefeng.wang@...wei.com>; jroedel@...e.de; Linuxarm
><linuxarm@...wei.com>; yangyicong <yangyicong@...wei.com>; Jonathan
>Cameron <jonathan.cameron@...wei.com>; tanxiaofei
><tanxiaofei@...wei.com>
>Subject: Re: [PATCH v13 1/2] ACPI / APEI: Add a notifier chain for unknown
>(vendor) CPER records
>
>On Wed, Jul 22, 2020 at 11:39:51AM +0100, Shiju Jose wrote:
>> CPER records describing a firmware-first error are identified by GUID.
>> The ghes driver currently logs, but ignores any unknown CPER records.
>> This prevents describing errors that can't be represented by a
>> standard entry, that would otherwise allow a driver to recover from an
>error.
>> The UEFI spec calls these 'Non-standard Section Body' (N.2.3 of
>> version 2.8).
>>
>> Add a notifier chain for these non-standard/vendor-records. Callers
>> must identify their type of records by GUID.
>>
>> Record data is copied to memory from the ghes_estatus_pool to allow us
>> to keep it until after the notifier has run.
>>
>> Co-developed-by: James Morse <james.morse@....com>
>
>Co-developed-by: is going _in conjunction with_ SoB tag which is missing
>here.
This tag was added as per instruction from Rafael.
I was told that I cannot add SoB tag for others unless specifically given.
Probably I will leave it with Rafael/James to help on this SoB tag
as Rafael was ok to merge this patch.
>
>> Signed-off-by: Shiju Jose <shiju.jose@...wei.com>
>
>--
>With Best Regards,
>Andy Shevchenko
>
Thanks,
Shiju