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From: Darren Hart <darren@os.amperecomputing.com>
To: Marc Zyngier <maz@kernel.org>
Cc: Tyler Baicar <baicar@os.amperecomputing.com>,
	patches@amperecomputing.com, abdulhamid@os.amperecomputing.com,
	catalin.marinas@arm.com, will@kernel.org, james.morse@arm.com,
	alexandru.elisei@arm.com, suzuki.poulose@arm.com,
	lorenzo.pieralisi@arm.com, guohanjun@huawei.com,
	sudeep.holla@arm.com, rafael@kernel.org, lenb@kernel.org,
	tony.luck@intel.com, bp@alien8.de, mark.rutland@arm.com,
	anshuman.khandual@arm.com, vincenzo.frascino@arm.com,
	tabba@google.com, marcan@marcan.st, keescook@chromium.org,
	masahiroy@kernel.org, samitolvanen@google.com,
	john.garry@huawei.com, daniel.lezcano@linaro.org,
	gor@linux.ibm.com, zhangshaokun@hisilicon.com,
	tmricht@linux.ibm.com, dchinner@redhat.com, tglx@linutronix.de,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	kvmarm@lists.cs.columbia.edu, linux-acpi@vger.kernel.org,
	linux-edac@vger.kernel.org, ishii.shuuichir@fujitsu.com,
	Vineeth.Pillai@microsoft.com
Subject: Re: [PATCH 1/2] ACPI/AEST: Initial AEST driver
Date: Tue, 30 Nov 2021 08:41:19 -0800	[thread overview]
Message-ID: <YaZUL+cftvNYgx1j@fedora> (raw)
In-Reply-To: <87h7bum0xh.wl-maz@kernel.org>

On Tue, Nov 30, 2021 at 09:45:46AM +0000, Marc Zyngier wrote:
> Hi Darren,
> 
> On Mon, 29 Nov 2021 20:39:23 +0000,
> Darren Hart <darren@os.amperecomputing.com> wrote:
> > 
> > On Wed, Nov 24, 2021 at 06:09:14PM +0000, Marc Zyngier wrote:
> > > On Wed, 24 Nov 2021 17:07:07 +0000,
> > > >
> > > > diff --git a/MAINTAINERS b/MAINTAINERS
> > > > index 5250298d2817..aa0483726606 100644
> > > > --- a/MAINTAINERS
> > > > +++ b/MAINTAINERS
> > > > @@ -382,6 +382,7 @@ ACPI FOR ARM64 (ACPI/arm64)
> > > >  M:	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> > > >  M:	Hanjun Guo <guohanjun@huawei.com>
> > > >  M:	Sudeep Holla <sudeep.holla@arm.com>
> > > > +R:	Tyler Baicar <baicar@os.amperecomputing.com>
> > > >  L:	linux-acpi@vger.kernel.org
> > > >  L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
> > > >  S:	Maintained
> > > 
> > > Isn't this a bit premature? This isn't even mentioned in the commit
> > > message, only in passing in the cover letter.
> > > 
> > 
> > Hi Marc,
> > 
> > This was something I encouraged Tyler to add during internal review,
> > both in response to the checkpatch.pl warning about adding new drivers
> > as well as our interest in reviewing any future changes to the aest
> > driver. Since refactoring is common, this level made sense to me - but
> > would it be preferable to add a new entry for just the new driver Tyler
> > added?
> 
> Adding someone as the co-maintainer/co-reviewer of a whole subsystem
> (ACPI/arm64 in this case) comes, IMO, with a number of pre-requisites:
> has the proposed co-{maintainer,reviewer} contributed and/or reviewed
> a significant number of patches to that subsystem and/or actively
> participated in the public discussions on the design and the
> maintenance of the subsystem, so that their reviewing is authoritative
> enough? I won't be judge of this, but it is definitely something to
> consider.

Hi Marc,

Agreed. I applied similar criteria when considering sub maintainers for
the platform/x86 subsystem while I maintained it.

> I don't think preemptively adding someone to the MAINTAINERS entry to
> indicate an interest in a whole subsystem is the right way to do it.
> One could argue that this is what a mailing list is for! ;-) On the
> other hand, an active participation to the review process is the
> perfect way to engage with fellow developers and to grow a profile. It
> is at this stage that adding oneself as an upstream reviewer makes a
> lot of sense.

Also generally agree. In this specific case, our interest was in the
driver itself, and we had to decide between the whole subsystem or
adding another F: entry in MAINTAINERS for the specific driver. Since
drivers/acpi/arm64 only has 3 .c files in it, adding another entry
seemed premature and overly granular. Certainly a subjective thing and
we have no objection to adding the extra line if that's preferred. This
should have been noted in the commit message.

> Alternatively, adding a MAINTAINERS entry for a specific driver is
> definitely helpful and will certainly result in the listed maintainer
> to be Cc'd on changes affecting it. But I would really like this
> maintainer to actively engage with upstream, rather than simply be on
> the receiving end of a stream of changes.

Agree for subsystems. For individual drivers, I think having the author
as a reviewer is appropriate and should result in more patch reviews,
which moves us in the direction of more community participation which we
all want to see.

Thanks,

-- 
Darren Hart
Ampere Computing / OS and Kernel

  reply	other threads:[~2021-11-30 16:41 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-24 17:07 [PATCH 0/2] ARM Error Source Table Support Tyler Baicar
2021-11-24 17:07 ` [PATCH 1/2] ACPI/AEST: Initial AEST driver Tyler Baicar
2021-11-24 18:09   ` Marc Zyngier
2021-11-29 20:39     ` Darren Hart
2021-11-30  9:45       ` Marc Zyngier
2021-11-30 16:41         ` Darren Hart [this message]
2021-12-16 22:05           ` Tyler Baicar
2021-12-16 23:42             ` Sudeep Holla
2021-11-24 18:51   ` Mark Rutland
2021-12-16 23:22     ` Tyler Baicar
2021-12-09  8:10   ` ishii.shuuichir
2021-12-16 23:33     ` Tyler Baicar
2022-04-20  7:54       ` ishii.shuuichir
2022-05-09 13:37         ` Tyler Baicar
2022-05-09 23:23           ` ishii.shuuichir
2022-12-07  5:44           ` Ruidong Tian
2021-11-24 17:07 ` [PATCH 2/2] trace, ras: add ARM RAS extension trace event Tyler Baicar
  -- strict thread matches above, loose matches on Subject: below --
2024-03-04 11:15 [PATCH 0/2] ARM Error Source Table V1 Support Ruidong Tian
2024-03-04 11:15 ` [PATCH 1/2] ACPI/AEST: Initial AEST driver Ruidong Tian
2024-03-04 12:07   ` Marc Zyngier
2024-03-08  4:49     ` Ruidong Tian
     [not found]     ` <aaad88c3-333d-4714-a9ca-3b66c8a5d9c8@linux.alibaba.com>
2024-03-09 10:33       ` Marc Zyngier
2024-03-12  9:53         ` Ruidong Tian

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