linux-kernel - Re: [PATCH] ACPI: APEI: EINJ: warn on invalid argument when explicitly indicated by platform

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Date:   Wed, 22 Mar 2023 17:52:53 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     "Luck, Tony" <tony.luck@...el.com>,
        Shuai Xue <xueshuai@...ux.alibaba.com>
Cc:     "baolin.wang@...ux.alibaba.com" <baolin.wang@...ux.alibaba.com>,
        "benjamin.cheatham@....com" <benjamin.cheatham@....com>,
        "bp@...en8.de" <bp@...en8.de>,
        "Williams, Dan J" <dan.j.williams@...el.com>,
        "james.morse@....com" <james.morse@....com>,
        "jaylu102@....com" <jaylu102@....com>,
        "lenb@...nel.org" <lenb@...nel.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "rafael@...nel.org" <rafael@...nel.org>,
        "zhuo.song@...ux.alibaba.com" <zhuo.song@...ux.alibaba.com>
Subject: Re: [PATCH] ACPI: APEI: EINJ: warn on invalid argument when
 explicitly indicated by platform

On Wed, Mar 22, 2023 at 5:13 PM Luck, Tony <tony.luck@...el.com> wrote:
>
> > Fix to return -EINVAL in the __einj_error_inject() error handling case
> > instead of -EBUSY, when explicitly indicated by the platform in the status
> > of the completed operation.
>
> Needs a bit longer description on the use case based on follow up discussion.
> Key information is the EINVAL is an indicator to the user that the parameters they
> supplied cannot be used for injection.

Right.

So Shuai, please resend the patch with a more elaborate changelog.

> But for the code:
>
> Reviewed-by: Tony Luck <tony.luck@...el.com>

And add the above tag to it when resending.