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Date:   Thu, 22 Mar 2018 13:10:44 +0100
From:   Pavel Machek <pavel@ucw.cz>
To:     Peter Zijlstra <peterz@infradead.org>
Cc:     Jonathan Corbet <corbet@lwn.net>, mingo@kernel.org,
        tglx@linutronix.de, linux-kernel@vger.kernel.org,
        torvalds@linux-foundation.org
Subject: Re: [PATCH 1/2] x86: Force asm-goto
Message-ID: <20180322121043.GB12518@amd>
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 <20180319154717.652679334@infradead.org>
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On Tue 2018-03-20 16:50:36, Peter Zijlstra wrote:
> On Tue, Mar 20, 2018 at 09:45:54AM -0600, Jonathan Corbet wrote:
> > On Mon, 19 Mar 2018 16:41:25 +0100
> > Peter Zijlstra <peterz@infradead.org> wrote:
> >=20
> > > A primary prerequisite for this is of course that the compiler
> > > supports asm-goto. This effecively lifts the minimum GCC version to
> > > build an x86 kernel to gcc-4.5.
> >=20
> > Given that, how about a patch to Documentation/Changes to reflect the n=
ew
> > reality?  It's not in RST yet, so you should be able to go there without
> > ill effect :)
>=20
>=20
> That thing says:
>=20
>   GCC
>   ---
>=20
>   The gcc version requirements may vary depending on the type of CPU in y=
our
>   computer. jon
>=20
> Which is still entirely accurate. And afaik the 3.2 minimum listed there
> still works for !x86.

Maybe accurate, but pretty user hostile :-(.
									Pavel
--=20
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo=
g.html

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