netdev - Re: [PATCH net-next v3 00/11] devlink: retain error in struct devlink

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Date: Fri, 20 Oct 2023 11:36:57 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: Przemek Kitszel <przemyslaw.kitszel@...el.com>
Cc: netdev@...r.kernel.org, "David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Shannon Nelson <shannon.nelson@....com>,
	Michael Chan <michael.chan@...adcom.com>,
	Cai Huoqing <cai.huoqing@...ux.dev>,
	George Cherian <george.cherian@...vell.com>,
	Danielle Ratson <danieller@...dia.com>,
	Moshe Shemesh <moshe@...dia.com>,
	Saeed Mahameed <saeedm@...dia.com>,
	Ariel Elior <aelior@...vell.com>,
	Manish Chopra <manishc@...vell.com>,
	Igor Russkikh <irusskikh@...vell.com>,
	Coiby Xu <coiby.xu@...il.com>, Simon Horman <horms@...nel.org>,
	Brett Creeley <brett.creeley@....com>,
	Sunil Goutham <sgoutham@...vell.com>,
	Linu Cherian <lcherian@...vell.com>,
	Geetha sowjanya <gakula@...vell.com>,
	Jerin Jacob <jerinj@...vell.com>, hariprasad <hkelam@...vell.com>,
	Subbaraya Sundeep <sbhatta@...vell.com>,
	Ido Schimmel <idosch@...dia.com>, Petr Machata <petrm@...dia.com>,
	Eran Ben Elisha <eranbe@...dia.com>, Aya Levin <ayal@...lanox.com>,
	Leon Romanovsky <leon@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v3 00/11] devlink: retain error in struct
 devlink_fmsg

Thu, Oct 19, 2023 at 11:50:03PM CEST, przemyslaw.kitszel@...el.com wrote:
>On 10/19/23 15:44, Jiri Pirko wrote:
>> Wed, Oct 18, 2023 at 10:26:36PM CEST, przemyslaw.kitszel@...el.com wrote:
>> > Extend devlink fmsg to retain error (patch 1),
>> > so drivers could omit error checks after devlink_fmsg_*() (patches 2-10),
>> > and finally enforce future uses to follow this practice by change to
>> > return void (patch 11)
>> > 
>> > Note that it was compile tested only.
>> > 
>> > bloat-o-meter for whole series:
>> > add/remove: 8/18 grow/shrink: 23/40 up/down: 2017/-5833 (-3816)
>> > 
>> > changelog:
>> > v3: set err to correct value, thanks to Simon and smatch
>> >     (mlx5 patch, final patch);
>> 
>> 2 nits:
>> - always better to have per-patch changelog so it is clear for the
>>    reviewers what exactly did you change and where.
>
>agree that adding changelog also to patches would be better
>
>> - if you do any change in a patch, you should drop the
>>    acked/reviewed/signedoff tags and get them again from people.
>
>Here opinions differ widely, and my understanding was "it depends".
>Noted to always drop yours.
>
>On one side you have just rebased patches (different context of review),
>then with trivial conflict fixed, then with minor change (as here,
>0-init to retval, those are things that I believe most reviewers don't
>want to look again at.
>Then patches with some improvement that somebody suggested (as reviewer,
>I want to see what could have been done better and I didn't notice).
>
>In the above cases there is both time to react and no much harm keeping
>RB. Things I think that most reviewers and maintainers would like to
>drop RB start at "significant changes such as 'business' logic change",
>which is of course a fuzzy line.
>
>Always dropping is an easy solution, perhaps too easy ;)

Quoting Documentation/process/submitting-patches.rst:
"
Both Tested-by and Reviewed-by tags, once received on mailing list from tester
or reviewer, should be added by author to the applicable patches when sending
next versions.  However if the patch has changed substantially in following
version, these tags might not be applicable anymore and thus should be removed.
Usually removal of someone's Tested-by or Reviewed-by tags should be mentioned
in the patch changelog (after the '---' separator).
"

I guess that in this case you are right, it the change is not likely
"substantial".

Thanks!



>
>> 
>> that being said:
>> set-
>> Reviewed-by: Jiri Pirko <jiri@...dia.com>
>> 
>
>Thank you!