linux-kernel - Re: [PATCH 05/10] riscv: remove Kconfig check for GCC version for ARCH

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Date:   Mon, 13 Sep 2021 09:23:45 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Nathan Chancellor <nathan@...nel.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Joe Perches <joe@...ches.com>, Arnd Bergmann <arnd@...nel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>, llvm@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-riscv@...ts.infradead.org
Subject: Re: [PATCH 05/10] riscv: remove Kconfig check for GCC version for
 ARCH_RV64I

On Fri, Sep 10, 2021 at 04:40:42PM -0700, Nick Desaulniers wrote:
> The minimum supported version of GCC is now 5.1. The check wasn't
> correct as written anyways since GCC_VERSION is 0 when CC=clang.
> 
> Cc: Paul Walmsley <paul.walmsley@...ive.com>
> Cc: Palmer Dabbelt <palmer@...belt.com>
> Cc: Albert Ou <aou@...s.berkeley.edu>
> Cc: linux-riscv@...ts.infradead.org
> Signed-off-by: Nick Desaulniers <ndesaulniers@...gle.com>

Yeah, good catch for Clang too.

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

-- 
Kees Cook