linux-kernel - Re: linux-next: New build failures in Sep 25 tree

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Date:	Fri, 26 Sep 2014 11:08:41 -0400
From:	Eric Paris <eparis@...hat.com>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Vineet Gupta <vgupta@...opsys.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-Next <linux-next@...r.kernel.org>,
	linux <linux@...nrisc.net>, rgb@...hat.com
Subject: Re: linux-next: New build failures in Sep 25 tree

On Fri, 2014-09-26 at 06:32 -0700, Guenter Roeck wrote:
> On 09/26/2014 12:59 AM, Stefan Kristiansson wrote:
> > On Fri, Sep 26, 2014 at 08:30:57AM +0200, Geert Uytterhoeven wrote:
> >> Hi Günther,
> >>
> >> [cc openrisc]
> >>
> >> On Thu, Sep 25, 2014 at 10:25 PM, Guenter Roeck <linux@...ck-us.net> wrote:
> >>> New build failures:
> >>
> >>> openrisc-defconfig
> >>>
> >>> In file included from arch/openrisc/kernel/signal.c:31:0:
> >>> ./arch/openrisc/include/asm/syscall.h: In function 'syscall_get_arch':
> >>> ./arch/openrisc/include/asm/syscall.h:77:9: error: 'EM_OPENRISC' undeclared
> >>
> >> That's not a new one. It's been failing for half or year or so.
> >>
> >> If you only see it now, that means something else got fixed ;-)
> >>
> >
> >>From what I can see, it's caused by
> > ce5d112827e5 ("ARCH: AUDIT: implement syscall_get_arch for all arches")
> > that got (re?)introduced two days ago.
> >
> > To me it seems that the problem is that EM_OPENRISC is
> > missing in include/uapi/linux/elf-em.h, but if that's the case,
> > I think microblaze have the same problem with that patch applied.
> >
> 
> Microblaze builds for some reason. But, yes, that commit is from March.
> Maybe that is where I remember it from.
> 
> You are right, it builds if I add the define. I'll submit a patch to fix
> the problem if the resulting image builds.
> 
> Guenter

I had no idea you were having build problems for so long!!  I'm so
sorry!  The tree got pulled from -next for a while because we ran into
some arm problems and I was going on vacation.  So I pulled from -next.
It just went back into -next (after I dealt with arm).  And so you saw
build failure again on the 25th.

I guess the choices are moving EM_OPENRISC public like the other ones
(which I believe you sent a patch for) or maybe you can include
arch/openrisc/include/uapi/asm/elf.h inside
arch/openrisc/include/asm/syscall.h so you still get to keep that
definition 'private'.  I have no idea if such an include would give you
a circular mess.  That happens all to often at the arch level.

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