linux-kernel - Re: [PATCH] compiler-clang: add build check for clang 10.0.1

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Message-ID: <CANiq72no2qO3BBTU3MhVCp4mDLqzMg7NhWGObHV3wtFCRjaziw@mail.gmail.com>
Date:   Wed, 26 Aug 2020 23:17:34 +0200
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Sedat Dilek <sedat.dilek@...il.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        Kees Cook <keescook@...omium.org>,
        Marco Elver <elver@...gle.com>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH] compiler-clang: add build check for clang 10.0.1

On Wed, Aug 26, 2020 at 10:14 PM Nick Desaulniers
<ndesaulniers@...gle.com> wrote:
>
> During Plumbers 2020, we voted to just support the latest release of
> Clang for now.  Add a compile time check for this.

Since this effectively enforces a minimum version for Clang, I'd
also update `Documentation/process/changes.rst` and
`Documentation/admin-guide/README.rst` to mention this, and perhaps
use that as a commit title ("implement minimum version for Clang")
since that is the important change, not the implementation so much!

[Actually, I'd remove the particular GCC version from the
`admin-guide/README.rst` to avoid having the version in 2 places (that
doc already links to the other one), but that should be another
patch.]

Reviewed-by: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>

Cheers,
Miguel