linux-kernel - Re: [PATCH v2] ACPI: APEI: do not add task_work to kernel thread to avoid memory leak

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Message-ID: <CAJZ5v0gU9=-9cD0endsyGZUJ7WnOUqWBYoLCHayqhEDkfEHNvQ@mail.gmail.com>
Date:   Tue, 4 Oct 2022 16:07:38 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     "Luck, Tony" <tony.luck@...el.com>,
        Shuai Xue <xueshuai@...ux.alibaba.com>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        James Morse <james.morse@....com>,
        "baicar@...amperecomputing.com" <baicar@...amperecomputing.com>,
        Len Brown <lenb@...nel.org>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        HORIGUCHI NAOYA(堀口 直也) 
        <naoya.horiguchi@....com>,
        "linmiaohe@...wei.com" <linmiaohe@...wei.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Stable <stable@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "cuibixuan@...ux.alibaba.com" <cuibixuan@...ux.alibaba.com>,
        "baolin.wang@...ux.alibaba.com" <baolin.wang@...ux.alibaba.com>,
        "zhuo.song@...ux.alibaba.com" <zhuo.song@...ux.alibaba.com>
Subject: Re: [PATCH v2] ACPI: APEI: do not add task_work to kernel thread to
 avoid memory leak

On Fri, Sep 30, 2022 at 5:52 PM Luck, Tony <tony.luck@...el.com> wrote:
>
> > Yes, the error is actually handled in workqueue. I think the point is that the
> > synchronous exception signaled by synchronous external abort must be handled
> > synchronously, otherwise, it will be signaled again.
>
> Ok. Got it now. Thanks.
>
> For Rafael:
>
> Reviewed-by: Tony Luck <tony.luck@...el.com>

Applied as 6.1-rc material, thanks!