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From:   Kees Cook <keescook@chromium.org>
Date:   Mon, 12 Feb 2018 09:37:50 -0800
Message-ID: <CAGXu5j+h2uvSg30DvvnQMUFr25MepaGa690VJBxCGW0f4HarNQ@mail.gmail.com>
Subject: Re: [RFC PATCH 4/7] kconfig: support new special property shell=
To:     David Woodhouse <dwmw2@infradead.org>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Ulf Magnusson <ulfalizer@gmail.com>,
        Masahiro Yamada <yamada.masahiro@socionext.com>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Nicolas Pitre <nicolas.pitre@linaro.org>,
        "Luis R . Rodriguez" <mcgrof@suse.com>,
        Randy Dunlap <rdunlap@infradead.org>,
        Sam Ravnborg <sam@ravnborg.org>,
        Michal Marek <michal.lkml@markovi.net>,
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        "Van De Ven, Arjan" <arjan.van.de.ven@intel.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Thomas Gleixner <tglx@linutronix.de>
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On Mon, Feb 12, 2018 at 9:36 AM, David Woodhouse <dwmw2@infradead.org> wrote:
> On Mon, 2018-02-12 at 09:33 -0800, Kees Cook wrote:
>> On Mon, Feb 12, 2018 at 9:05 AM, Peter Zijlstra <peterz@infradead.org> wrote:
>> > On Mon, Feb 12, 2018 at 08:56:31AM -0800, Kees Cook wrote:
>> >> That would be bad: Android exclusively builds with clang.
>> >
>> > So implement asm-goto already, and do asm-cc-output while you're at it.
>>
>> Yup, I've already been asking for it. I'm hoping there will be more
>> time/attention now that retpoline is "done".
>
> Retpoline isn't done for 32-bit x86.
>
> https://bugs.llvm.org/show_bug.cgi?id=36329

Understood. I should have said: s/now that/when/

-Kees

-- 
Kees Cook
Pixel Security