linux-kernel - Re: [PATCH 4/5] compiler-gcc: remove attribute support check for `__no_sanitize_undefined_

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Message-ID: <202210210911.1DA1106C@keescook>
Date:   Fri, 21 Oct 2022 09:11:30 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Miguel Ojeda <ojeda@...nel.org>
Cc:     Andrey Konovalov <andreyknvl@...il.com>,
        Marco Elver <elver@...gle.com>, Arnd Bergmann <arnd@...db.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Kumar Kartikeya Dwivedi <memxor@...il.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Uros Bizjak <ubizjak@...il.com>,
        Dan Li <ashimida@...ux.alibaba.com>,
        Alexander Potapenko <glider@...gle.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] compiler-gcc: remove attribute support check for
 `__no_sanitize_undefined__`

On Fri, Oct 21, 2022 at 01:59:55PM +0200, Miguel Ojeda wrote:
> The attribute was added in GCC 4.9, while the minimum GCC version
> supported by the kernel is GCC 5.1.
> 
> Therefore, remove the check.
> 
> Link: https://godbolt.org/z/GrMeo6fYr
> Signed-off-by: Miguel Ojeda <ojeda@...nel.org>

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

-- 
Kees Cook