netdev - Re: [PATCH v3] Compiler Attributes: remove CONFIG_ENABLE_MUST

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Date:   Sun, 13 Dec 2020 15:58:20 +0100
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        "Jason A . Donenfeld" <Jason@...c4.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Shuah Khan <shuah@...nel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        wireguard@...ts.zx2c4.com
Subject: Re: [PATCH v3] Compiler Attributes: remove CONFIG_ENABLE_MUST_CHECK

On Sun, Dec 13, 2020 at 1:55 PM Guenter Roeck <linux@...ck-us.net> wrote:
>
> Witz komm raus, Du bist umzingelt.

Please, explain this reference. :-)

> The key here is "if nobody complains". I would argue that it is _your_
> responsibility to do those builds, and not the reponsibility of others
> to do it for you.

Testing allmodconfig for a popular architecture, agreed, it is due
diligence to avoid messing -next that day.

Testing a matrix of configs * arches * gcc/clang * compiler versions?
No, sorry, that is what CI/-next/-rcs are for and that is where the
"if nobody complains" comes from.

If you think building a set of code for a given arch/config/etc. is
particularly important, then it is _your_ responsibility to build it
once in a while in -next (as you have done). If it is not that
important, somebody will speak up in one -rc. If not, is anyone
actually building that code at all?

Otherwise, changing core/shared code would be impossible. Please don't
blame the author for making a sensible change that will improve code
quality for everyone.

> But, sure, your call. Please feel free to ignore my report.

I'm not ignoring the report, quite the opposite. I am trying to
understand why you think reverting is needed for something that has
been more than a week in -next without any major breakage and still
has a long road to v5.11.

Cheers,
Miguel