linux-kernel - RE: [PATCH v2] ACPI, APEI, EINJ: Relax platform response timeout to 1 second.

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Date:   Mon, 25 Oct 2021 15:59:08 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Shuai Xue <xueshuai@...ux.alibaba.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "bp@...en8.de" <bp@...en8.de>,
        "james.morse@....com" <james.morse@....com>,
        "lenb@...nel.org" <lenb@...nel.org>,
        "rjw@...ysocki.net" <rjw@...ysocki.net>,
        "zhangliguang@...ux.alibaba.com" <zhangliguang@...ux.alibaba.com>,
        "zhuo.song@...ux.alibaba.com" <zhuo.song@...ux.alibaba.com>
Subject: RE: [PATCH v2] ACPI, APEI, EINJ: Relax platform response timeout to 1
 second.

>> No, I don't. EINJ provides a hardware error injection mechanism to develop
>> and debug firmware code and hardware RAS feature. While we test on Arm
>> platform, it cannot meet the original timeout limit. Therefore, we send
>> this patch to relax the upper bound of timeout. In order to facilitate
>> other platforms to encounter the same problems, we expose timeout as a
>> configurable parameter in user space.
>
> What's your opinion about this interface?

I can't see a case where anyone would use it. So it is just useless fluff.

I say drop it from the next rev of the patch.

-Tony