linux-kernel - Re: [RFC PATCH 00/30] Code tagging framework and applications

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Date:   Thu, 8 Sep 2022 02:35:48 -0400
From:   Kent Overstreet <kent.overstreet@...ux.dev>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Michal Hocko <mhocko@...e.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Mel Gorman <mgorman@...e.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Johannes Weiner <hannes@...xchg.org>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Davidlohr Bueso <dave@...olabs.net>,
        Matthew Wilcox <willy@...radead.org>,
        "Liam R. Howlett" <liam.howlett@...cle.com>,
        David Vernet <void@...ifault.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Laurent Dufour <ldufour@...ux.ibm.com>,
        Peter Xu <peterx@...hat.com>,
        David Hildenbrand <david@...hat.com>,
        Jens Axboe <axboe@...nel.dk>, mcgrof@...nel.org,
        masahiroy@...nel.org, nathan@...nel.org, changbin.du@...el.com,
        ytcoode@...il.com, Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Benjamin Segall <bsegall@...gle.com>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Valentin Schneider <vschneid@...hat.com>,
        Christopher Lameter <cl@...ux.com>,
        Pekka Enberg <penberg@...nel.org>,
        Joonsoo Kim <iamjoonsoo.kim@....com>, 42.hyeyoo@...il.com,
        Alexander Potapenko <glider@...gle.com>,
        Marco Elver <elver@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Shakeel Butt <shakeelb@...gle.com>,
        Muchun Song <songmuchun@...edance.com>, arnd@...db.de,
        jbaron@...mai.com, David Rientjes <rientjes@...gle.com>,
        Minchan Kim <minchan@...gle.com>,
        Kalesh Singh <kaleshsingh@...gle.com>,
        kernel-team <kernel-team@...roid.com>,
        linux-mm <linux-mm@...ck.org>, iommu@...ts.linux.dev,
        kasan-dev@...glegroups.com, io-uring@...r.kernel.org,
        linux-arch@...r.kernel.org, xen-devel@...ts.xenproject.org,
        linux-bcache@...r.kernel.org, linux-modules@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 00/30] Code tagging framework and applications

On Wed, Sep 07, 2022 at 09:45:18AM -0400, Steven Rostedt wrote:
> On Wed, 7 Sep 2022 09:04:28 -0400
> Kent Overstreet <kent.overstreet@...ux.dev> wrote:
> 
> > On Wed, Sep 07, 2022 at 01:00:09PM +0200, Michal Hocko wrote:
> > > Hmm, it seems that further discussion doesn't really make much sense
> > > here. I know how to use my time better.  
> > 
> > Just a thought, but I generally find it more productive to propose ideas than to
> > just be disparaging.
> > 
> 
> But it's not Michal's job to do so. He's just telling you that the given
> feature is not worth the burden. He's telling you the issues that he has
> with the patch set. It's the submitter's job to address those concerns and
> not the maintainer's to tell you how to make it better.
> 
> When Linus tells us that a submission is crap, we don't ask him how to make
> it less crap, we listen to why he called it crap, and then rewrite to be
> not so crappy. If we cannot figure it out, it doesn't get in.

When Linus tells someone a submission is crap, he _always_ has a sound, and
_specific_ technical justification for doing so.

"This code is going to be a considerable maintenance burden" is vapid, and lazy.
It's the kind of feedback made by someone who has looked at the number of lines
of code a patch touches and not much more.