From: Kees Cook <keescook@chromium.org>
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>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Pavel Machek <pavel@ucw.cz>,
linux-s390 <linux-s390@vger.kernel.org>,
Jiri Kosina <jkosina@suse.cz>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Tejun Heo <tj@kernel.org>, Ingo Molnar <mingo@kernel.org>,
"Van De Ven, Arjan" <arjan.van.de.ven@intel.com>,
Arnd Bergmann <arnd@arndb.de>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [RFC PATCH 4/7] kconfig: support new special property shell=
Date: Mon, 12 Feb 2018 08:56:31 -0800 [thread overview]
Message-ID: <CAGXu5jLdH7wkrnB9YnRLf+vQsQyfHehUywkXqsBuy6WmVLH3OA@mail.gmail.com> (raw)
In-Reply-To: <1518452362.6606.102.camel@infradead.org>
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
next prev parent reply other threads:[~2018-02-12 16:56 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-08 16:19 [RFC PATCH 0/7] Kconfig: add new special property shell= to test compiler options in Kconfig Masahiro Yamada
2018-02-08 16:19 ` [RFC PATCH 1/7] kbuild: remove kbuild cache Masahiro Yamada
2018-02-08 16:19 ` [RFC PATCH 2/7] kconfig: add xrealloc() helper Masahiro Yamada
2018-02-08 16:19 ` [RFC PATCH 3/7] kconfig: remove const qualifier from sym_expand_string_value() Masahiro Yamada
2018-02-08 16:19 ` [RFC PATCH 4/7] kconfig: support new special property shell= Masahiro Yamada
2018-02-09 5:30 ` Ulf Magnusson
2018-02-09 9:19 ` Masahiro Yamada
2018-02-09 12:46 ` Ulf Magnusson
2018-02-09 20:46 ` Kees Cook
2018-02-10 5:48 ` Ulf Magnusson
2018-02-10 7:12 ` Masahiro Yamada
2018-02-10 7:49 ` Ulf Magnusson
2018-02-10 8:05 ` Ulf Magnusson
2018-02-10 8:55 ` Ulf Magnusson
2018-02-10 9:21 ` Ulf Magnusson
2018-02-10 18:05 ` Randy Dunlap
2018-02-11 2:00 ` Kevin Easton
2018-02-10 19:23 ` Kees Cook
2018-02-10 20:08 ` Linus Torvalds
2018-02-11 4:13 ` Kees Cook
2018-02-11 4:46 ` Linus Torvalds
2018-02-11 7:28 ` Linus Torvalds
2018-02-11 10:34 ` Ulf Magnusson
2018-02-11 17:56 ` Kees Cook
2018-02-11 18:13 ` Linus Torvalds
2018-02-11 19:39 ` Kees Cook
2018-02-11 19:53 ` Linus Torvalds
2018-02-11 20:06 ` Linus Torvalds
2018-02-11 21:10 ` Arnd Bergmann
2018-02-11 21:19 ` Kees Cook
2018-02-11 21:50 ` Linus Torvalds
2018-02-12 10:44 ` Arnd Bergmann
2018-02-12 10:44 ` Arnd Bergmann
2018-02-11 22:29 ` Geert Uytterhoeven
2018-02-15 23:38 ` [RFC PATCH 4/7] kconfig: support new special property shell Palmer Dabbelt
2018-02-11 21:11 ` [RFC PATCH 4/7] kconfig: support new special property shell= Kees Cook
2018-02-11 19:42 ` Linus Torvalds
2018-02-12 8:26 ` Peter Zijlstra
2018-02-12 10:27 ` Thomas Gleixner
2018-02-12 11:52 ` Peter Zijlstra
2018-02-12 16:19 ` David Woodhouse
2018-02-12 16:19 ` David Woodhouse
2018-02-12 16:56 ` Kees Cook [this message]
2018-02-12 17:05 ` Peter Zijlstra
2018-02-12 17:33 ` Kees Cook
2018-02-12 17:36 ` David Woodhouse
2018-02-12 17:36 ` David Woodhouse
2018-02-12 17:37 ` Kees Cook
2018-02-12 17:00 ` Peter Zijlstra
2018-02-11 18:34 ` Ulf Magnusson
2018-02-11 21:05 ` Kees Cook
2018-02-11 21:35 ` Ulf Magnusson
2018-02-11 20:29 ` Ulf Magnusson
2018-02-11 20:42 ` Ulf Magnusson
2018-02-12 12:54 ` Ulf Magnusson
2018-02-12 14:21 ` Masahiro Yamada
2018-02-12 14:23 ` Masahiro Yamada
2018-02-12 14:32 ` Ulf Magnusson
2018-02-12 14:29 ` Ulf Magnusson
2018-02-12 14:53 ` Ulf Magnusson
2018-02-12 15:22 ` Masahiro Yamada
2018-02-12 15:35 ` Ulf Magnusson
2018-02-11 21:22 ` Ulf Magnusson
2018-02-12 14:39 ` Masahiro Yamada
2018-02-12 15:24 ` Kees Cook
2018-02-12 23:48 ` Randy Dunlap
2018-02-13 1:41 ` Masahiro Yamada
2018-02-13 1:53 ` Randy Dunlap
2018-02-13 8:35 ` Arnd Bergmann
2018-02-13 8:59 ` Masahiro Yamada
2018-02-12 10:44 ` Masahiro Yamada
2018-02-12 11:44 ` Ulf Magnusson
2018-02-12 11:49 ` Ulf Magnusson
2018-02-12 13:53 ` Masahiro Yamada
2018-02-12 14:13 ` Ulf Magnusson
2018-02-12 15:46 ` Kees Cook
2018-02-12 16:10 ` Masahiro Yamada
2018-02-13 8:55 ` Ulf Magnusson
2018-02-11 16:54 ` Kees Cook
2018-02-08 16:19 ` [RFC PATCH 5/7] kconfig: invoke silentoldconfig when compiler is updated Masahiro Yamada
2018-02-08 17:19 ` Masahiro Yamada
2018-02-08 17:45 ` Linus Torvalds
2018-02-08 16:19 ` [RFC PATCH 6/7] kconfig: add basic environments to evaluate C flags in Kconfig Masahiro Yamada
2018-02-08 16:19 ` [RFC PATCH 7/7] Test stackprotector options in Kconfig to kill CC_STACKPROTECTOR_AUTO Masahiro Yamada
2018-02-08 18:30 ` Kees Cook
2018-02-09 4:13 ` Masahiro Yamada
2018-02-08 16:43 ` [RFC PATCH 0/7] Kconfig: add new special property shell= to test compiler options in Kconfig Greg Kroah-Hartman
2018-02-08 17:19 ` Linus Torvalds
2018-02-08 17:39 ` Masahiro Yamada
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