netdev - Re: [PATCH v7 net-next 00/18] Introducing P4TC

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Date: Tue, 17 Oct 2023 08:40:29 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Jamal Hadi Salim <jhs@...atatu.com>
Cc: netdev@...r.kernel.org, anjali.singhai@...el.com,
 namrata.limaye@...el.com, deb.chatterjee@...el.com,
 john.andy.fingerhut@...el.com, dan.daly@...el.com, Vipin.Jain@....com,
 tom@...anda.io, mleitner@...hat.com, Mahesh.Shirshyad@....com,
 tomasz.osinski@...el.com, jiri@...nulli.us, xiyou.wangcong@...il.com,
 davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
 vladbu@...dia.com, horms@...nel.org, khalidm@...dia.com, toke@...hat.com,
 mattyk@...dia.com
Subject: Re: [PATCH v7 net-next 00/18] Introducing P4TC

On Tue, 17 Oct 2023 11:27:36 -0400 Jamal Hadi Salim wrote:
> > patch-by-patch W=1 C=1 should be good enough to catch the problems.  
> 
> Thanks - this helps. We didnt pay good attention to
> https://www.kernel.org/doc/Documentation/process/maintainer-netdev.rst
> Only thing that is missing now is the mention of C=1 in the doc. Patch
> to the doc acceptable?
> Also a note about false positives in sparse output (there were a few
> in the warnings from the bot) would be apropos.

Um. Maybe.. Sparse generates more false positives than good warnings
lately :( We'd have to add some extra info like "Note that sparse
is known to generate false-positive warnings, if you think that the
warning generated with C=1 is bogus, ignore it and note that fact
in the commit message".

I don't like documenting things which aren't clear-cut :(

I'm pretty sure you have pure W=1 warnings here, too.