netdev - Re: ipv4/tcp.c:4234:1: error: the frame size of 1152 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]

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Message-ID: <CAHk-=wisUqoX5Njrnnpp0pDx+bxSAJdPxfgEUv82tZkvUqoN1w@mail.gmail.com>
Date:   Tue, 7 Sep 2021 15:16:05 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>,
        Netdev <netdev@...r.kernel.org>, lkft-triage@...ts.linaro.org,
        Arnd Bergmann <arnd@...db.de>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>
Subject: Re: ipv4/tcp.c:4234:1: error: the frame size of 1152 bytes is larger
 than 1024 bytes [-Werror=frame-larger-than=]

On Mon, Sep 6, 2021 at 5:27 AM Naresh Kamboju <naresh.kamboju@...aro.org> wrote:
>
> /builds/linux/net/ipv4/tcp.c: In function 'do_tcp_getsockopt.constprop':
> /builds/linux/net/ipv4/tcp.c:4234:1: error: the frame size of 1152

None of these seem to be new.

It looks like this is (yet another) example of some build testing that
just never cared about warnings.

Which was the exact problem that the new -Werror flag is all about.
All these build test servers that only go "ok, it built, never mind
all the warnings".

Everybody tells me that the build servers care about warnings.
Everything I actually see tells a very different story indeed.

              Linus