linux-kernel - Re: [uml-devel] [PATCH 1/5] um: Use __i386__ in ifdef for vsyscall exports, not SUBARCH

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Message-ID: <CAMuHMdUXZw=NO-sXLWu8TMkwE-_A_sq60KUVkYZrNFqcLOALrA@mail.gmail.com>
Date:	Mon, 1 Aug 2011 12:04:37 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Al Viro <viro@...iv.linux.org.uk>
Cc:	richard -rw- weinberger <richard.weinberger@...il.com>,
	user-mode-linux-devel@...ts.sourceforge.net,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	Arnaud Lacombe <lacombar@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [uml-devel] [PATCH 1/5] um: Use __i386__ in ifdef for vsyscall
 exports, not SUBARCH_i386

On Mon, Aug 1, 2011 at 06:32, Al Viro <viro@...iv.linux.org.uk> wrote:
> On Mon, Aug 01, 2011 at 01:17:17AM +0200, richard -rw- weinberger wrote:
>> On Mon, Aug 1, 2011 at 1:13 AM, David Woodhouse <dwmw2@...radead.org> wrote:
>> > On Sun, 2011-07-31 at 23:58 +0100, Al Viro wrote:
>> >> FWIW, the next step (still not pushed there) is to move arch/um/sys-x86 to
>> >> arch/x86/um, with arch/um/os-Linux/sys-x86 becoming arch/x86/um/os-Linux,
>> >> Kconfig.x86 moving to arch/x86/um/Kconfig and Makefile-x86 - to
>> >> arch/x86/um/Makefile.defs. ?Next after that - arch/powerpc/um (and yes,
>> >> it means resurrected uml/ppc port; for now - only ppc32, since I have no
>> >> ppc64 boxen to test on).
>> >
>> > I can give you an account on a ppc64 box if that would help...
>>
>> Isn't UML on ppc broken since ages?
>
> Yes.  Resurrected is not the right word here, sorry...

Oh, what a disappointment. I really hoped it was true...

BTW, how much work would it be to port UML to ARM? Would be nice-to-have on
your Android phone, as it can provide a full Linux userspace without
requiring rooting
the phone.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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