linux-hardening - Re: [RFC PATCH v2 12/21] treewide: Drop function

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Message-ID: <202205141454.9EBF450@keescook>
Date:   Sat, 14 May 2022 14:54:17 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Sami Tolvanen <samitolvanen@...gle.com>
Cc:     linux-kernel@...r.kernel.org, Josh Poimboeuf <jpoimboe@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>, x86@...nel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Joao Moreira <joao@...rdrivepizza.com>,
        Sedat Dilek <sedat.dilek@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-hardening@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, llvm@...ts.linux.dev
Subject: Re: [RFC PATCH v2 12/21] treewide: Drop function_nocfi

On Fri, May 13, 2022 at 01:21:50PM -0700, Sami Tolvanen wrote:
> With -fsanitize=kcfi, we no longer need function_nocfi() as
> the compiler won't change function references to point to a
> jump table. Remove all implementations and uses of the macro.
> 
> Signed-off-by: Sami Tolvanen <samitolvanen@...gle.com>

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

-- 
Kees Cook