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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Thu, 4 Mar 2021 18:49:27 -0800
Message-ID: <CAHk-=whT4g=a-YzF9qXPTd5d1DN98x_9N8RWLdeiwg7gMTky+A@mail.gmail.com>
Subject: Re: [PATCH RFC] gcc-plugins: Handle GCC version mismatch for OOT modules
To:     Josh Poimboeuf <jpoimboe@redhat.com>
Cc:     Masahiro Yamada <masahiroy@kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Michal Marek <michal.lkml@markovi.net>,
        linux-hardening@vger.kernel.org,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Justin Forbes <jforbes@redhat.com>,
        Ondrej Mosnacek <omosnace@redhat.com>,
        Frank Eigler <fche@redhat.com>,
        Kees Cook <keescook@chromium.org>
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On Thu, Mar 4, 2021 at 6:41 PM Josh Poimboeuf <jpoimboe@redhat.com> wrote:
>
> This thread is making me dizzy, but I think the patch you NAK'ed from me
> was different.  It just added an error on GCC mismatch with external
> modules:
>
>   https://lkml.kernel.org/r/fff056a7c9e6050c2d60910f70b6d99602f3bec4.1611863075.git.jpoimboe@redhat.com
>
> though I think you were ok with downgrading it to a warning.

Right you are. So that was about the external module thing, which is
obviously incidentally an issue here with the plugin behavior too, but
different.

My inbox is kind of a modern-day Colossal Cave adventure: "You are in
a maze of twisty email threads, all similar but with different hidden
details".

               Linus