| From: |
| Kees Cook <keescook-AT-chromium.org> |
| To: |
| David Woodhouse <dwmw2-AT-infradead.org> |
| Subject: |
| Re: [RFC PATCH 4/7] kconfig: support new special property shell= |
| Date: |
| Mon, 12 Feb 2018 08:56:31 -0800 |
| Message-ID: |
| <CAGXu5jLdH7wkrnB9YnRLf+vQsQyfHehUywkXqsBuy6WmVLH3OA@mail.gmail.com> |
| Cc: |
| Peter Zijlstra <peterz-AT-infradead.org>, Linus Torvalds <torvalds-AT-linux-foundation.org>, Ulf Magnusson <ulfalizer-AT-gmail.com>, Masahiro Yamada <yamada.masahiro-AT-socionext.com>, Linux Kbuild mailing list <linux-kbuild-AT-vger.kernel.org>, Greg Kroah-Hartman <gregkh-AT-linuxfoundation.org>, Andrew Morton <akpm-AT-linux-foundation.org>, Nicolas Pitre <nicolas.pitre-AT-linaro.org>, "Luis R . Rodriguez" <mcgrof-AT-suse.com>, Randy Dunlap <rdunlap-AT-infradead.org>, Sam Ravnborg <sam-AT-ravnborg.org>, Michal Marek <michal.lkml-AT-markovi.net>, Martin Schwidefsky <schwidefsky-AT-de.ibm.com>, Pavel Machek <pavel-AT-ucw.cz>, linux-s390 <linux-s390-AT-vger.kernel.org>, Jiri Kosina <jkosina-AT-suse.cz>, Linux Kernel Mailing List <linux-kernel-AT-vger.kernel.org>, Tejun Heo <tj-AT-kernel.org>, Ingo Molnar < |
On Mon, Feb 12, 2018 at 8:19 AM, David Woodhouse <dwmw2@infradead.org> wrote:
> On Mon, 2018-02-12 at 09:26 +0100, Peter Zijlstra wrote:
>> On Sun, Feb 11, 2018 at 10:13:44AM -0800, Linus Torvalds wrote:
>>
>> > That actually sounds like we could just
>> >
>> > (a) make gcc 4.5 be the minimum required version
>> >
>> > (b) actually error out if we find a bad compiler
>>
>> So the unofficial plan was to enforce asm-goto and -fentry support by
>> hard failure to build, which would get us at gcc-4.6 and then remove all
>> the fallback cruft needed for those features -- for x86. If we want to
>> do this tree wide, that's obviously OK with me too ;-)
>
> This would also kill clang support, right?
That would be bad: Android exclusively builds with clang.
-Kees
--
Kees Cook
Pixel Security
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