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Date:   Sun, 11 Feb 2018 13:50:02 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Ulf Magnusson <ulfalizer@...il.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nicolas Pitre <nicolas.pitre@...aro.org>,
        "Luis R . Rodriguez" <mcgrof@...e.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Pavel Machek <pavel@....cz>,
        linux-s390 <linux-s390@...r.kernel.org>,
        Jiri Kosina <jkosina@...e.cz>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Tejun Heo <tj@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        "Van De Ven, Arjan" <arjan.van.de.ven@...el.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: [RFC PATCH 4/7] kconfig: support new special property shell=

On Sun, Feb 11, 2018 at 1:19 PM, Kees Cook <keescook@...omium.org> wrote:
> On Sun, Feb 11, 2018 at 1:10 PM, Arnd Bergmann <arnd@...db.de> wrote:
>>
>> In my tests last year, I identified gcc-4.6 as a nice minimum level, IIRC
>> gcc-4.5 was unable to build some of the newer ARM targets.
>
> But yes, if Linus wants 4.5 over 4.3, I would agree with Arnd: let's
> take it to 4.6 instead.

So it sounds like Arnd knows what the distros have.

Because I think that would actually be the best way to try to
determine where we want to go, because it's what is going to determine
what is most problematic for _users_.

If no distro is on 4.5, then there's no reason to pick that. The
reason I mentioned 4.5 is because that's the "asm goto" point, afaik,
and that is likely to be a requirement in the near future.

If SLES11 is 4.3, that's obviously a concern. Although Arnd seemed to
imply that that had already caused problems, so...

            Linus

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