linux-kernel - Re: [RESEND PATCH v18 1/2] ACPI: APEI: send SIGBUS to current task if synchronous memory error not recovered

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Message-ID: <CAJZ5v0gfFHCvE2Uu8=GRb9=ueK51s1-0BDBkJbbDG0tQvD5pLA@mail.gmail.com>
Date: Mon, 14 Jul 2025 19:30:19 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Shuai Xue <xueshuai@...ux.alibaba.com>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>, Catalin Marinas <catalin.marinas@....com>, 
	Will Deacon <will@...nel.org>, Hanjun Guo <guohanjun@...wei.com>, 
	"Luck, Tony" <tony.luck@...el.com>, linux-mm@...ck.org, linux-kernel@...r.kernel.org, 
	akpm@...ux-foundation.org, linux-edac@...r.kernel.org, x86@...nel.org, 
	justin.he@....com, ardb@...nel.org, ying.huang@...ux.alibaba.com, 
	ashish.kalra@....com, baolin.wang@...ux.alibaba.com, tglx@...utronix.de, 
	dave.hansen@...ux.intel.com, lenb@...nel.org, hpa@...or.com, 
	robert.moore@...el.com, lvying6@...wei.com, xiexiuqi@...wei.com, 
	zhuo.song@...ux.alibaba.com, sudeep.holla@....com, lpieralisi@...nel.org, 
	linux-acpi@...r.kernel.org, yazen.ghannam@....com, mark.rutland@....com, 
	mingo@...hat.com, robin.murphy@....com, Jonathan.Cameron@...wei.com, 
	bp@...en8.de, linux-arm-kernel@...ts.infradead.org, 
	wangkefeng.wang@...wei.com, tanxiaofei@...wei.com, mawupeng1@...wei.com, 
	linmiaohe@...wei.com, naoya.horiguchi@....com, james.morse@....com, 
	tongtiangen@...wei.com, gregkh@...uxfoundation.org, jarkko@...nel.org
Subject: Re: [RESEND PATCH v18 1/2] ACPI: APEI: send SIGBUS to current task if
 synchronous memory error not recovered

Hi,

On Mon, Jul 14, 2025 at 1:54 PM Shuai Xue <xueshuai@...ux.alibaba.com> wrote:
>
> 在 2025/7/1 21:56, Rafael J. Wysocki 写道:
> > On Tue, Jul 1, 2025 at 1:00 PM Shuai Xue <xueshuai@...ux.alibaba.com> wrote:
> >>
> >>   >在 2025/4/28 23:23, Will Deacon 写道:
> >>   >> On Fri, Apr 25, 2025 at 09:10:09AM +0800, Shuai Xue wrote:
> >>   >>> 在 2025/4/25 09:00, Hanjun Guo 写道:
> >>   >>>> Call force_sig(SIGBUS) directly in ghes_do_proc() is not my favourite,
> >>   >>>> but I can bear that, please add
> >>   >>>>
> >>   >>>> Reviewed-by: Hanjun Guo <guohanjun@...wei.com>
> >>   >>>>
> >>   >>>> Thanks
> >>   >>>> Hanjun
> >>   >>>
> >>   >>> Thanks. Hanjun.
> >>   >>>
> >>   >>> @Rafael, @Catalin,
> >>   >>>
> >>   >>> Both patch 1 and 2 have reviewed-by tag from the arm64 ACPI
> >> maintainers, Hanjun,
> >>   >>> now. Are you happpy to pick and queue this patch set to acpi tree
> >> or arm tree?
> >>   >>
> >>   >> Since this primarily touches drivers/acpi/apei/ghes.c, I think it should
> >>   >> go via the ACPI tree and not the arm64 one.
> >>   >>
> >>   >> Will
> >>   >
> >>   >Hi, Will,
> >>   >
> >>   >Thank you for your confirmation :)
> >>   >
> >>   >@Rafael, do you have more comments on this patch set?
> >>   >
> >>   >Thanks you.
> >>   >
> >>   >Best Regards,
> >>   >Shuai
> >>
> >> Hi, all,
> >>
> >> Gentle ping.
> >>
> >> Does ACPI or APEI tree still active? Looking forward to any response.
> >
> > For APEI changes, you need an ACK from one of the reviewers listed in
> > the MAINTAINERS entry for APEI.
> >
> > Thanks!
>
> Hi, Rafael
>
> Sorry, I missed your email which goes in span (:
>
> ARM maintain @Catalin points that:
>
>  > James Morse is listed as reviewer of the ACPI APEI code but he's busy
>  > with resctrl/MPAM. Adding Lorenzo, Sudeep and Hanjun as arm64 ACPI
>  > maintainers, hopefully they can help.
>
> And Hanjun explictly gived his Reviewed-by tag in this thread, is that
> happy for you for merge?

Not really.

I need an ACK or R-by from a reviewer listed in the APEI entry in MAINTAINERS.

If James Morse is not able to fill that role (and AFAICS he's not been
for quite some time now), I'd expect someone else to step up.

Thanks!