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Date:   Mon, 17 Aug 2020 12:16:37 -0700
From:   Kees Cook <keescook@chromium.org>
To:     Sami Tolvanen <samitolvanen@google.com>
Cc:     Arvind Sankar <nivedita@alum.mit.edu>,
        Sedat Dilek <sedat.dilek@gmail.com>,
        Fangrui Song <maskray@google.com>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Joe Perches <joe@perches.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        =?iso-8859-1?Q?D=E1vid_Bolvansk=FD?= <david.bolvansky@gmail.com>,
        Eli Friedman <efriedma@quicinc.com>,
        "# 3.4.x" <stable@vger.kernel.org>,
        Vishal Verma <vishal.l.verma@intel.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        "Joel Fernandes (Google)" <joel@joelfernandes.org>,
        Daniel Axtens <dja@axtens.net>, Ingo Molnar <mingo@kernel.org>,
        Yury Norov <yury.norov@gmail.com>,
        Alexandru Ardelean <alexandru.ardelean@analog.com>,
        LKML <linux-kernel@vger.kernel.org>,
        clang-built-linux <clang-built-linux@googlegroups.com>,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>
Subject: Re: [PATCH v2] lib/string.c: implement stpcpy
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On Mon, Aug 17, 2020 at 10:14:43AM -0700, Sami Tolvanen wrote:
> I just confirmed that adding -fno-builtin-stpcpy to KBUILD_CFLAGS does
> work with LTO as well.

Oh, I read this out of order; sorry! Yes, if -fno-builtin-stpcpy works,
let's use that instead. Doesn't that solve it too?

-- 
Kees Cook