linux-kernel - Re: [PATCH v2 0/7] set clang minimum version to 10.0.1

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Date:   Tue, 1 Sep 2020 13:01:25 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        Sedat Dilek <sedat.dilek@...il.com>,
        Marco Elver <elver@...gle.com>,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        clang-built-linux@...glegroups.com,
        Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Will Deacon <will@...nel.org>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/7] set clang minimum version to 10.0.1

On Mon, Aug 31, 2020 at 05:23:19PM -0700, Nick Desaulniers wrote:
> Adds a compile time #error to compiler-clang.h setting the effective
> minimum supported version to clang 10.0.1. A separate patch has already
> been picked up into the Documentation/ tree also confirming the version.
> 
> Next are a series of reverts. One for 32b arm is a partial revert.
> 
> Then Marco suggested fixes to KASAN docs.
> 
> Finally, improve the warning for GCC too as per Kees.
> [...]
>  8 files changed, 16 insertions(+), 27 deletions(-)

A nice simplification!

Reviewed-by: Kees Cook <keescook@...omium.org>

(I do note that for Ubuntu 20.04, they're going to need to do an LLVM
10.0.0 -> 10.0.1 bump to do kernel builds for their latest LTS...)

-- 
Kees Cook