linux-kernel - Re: linux-next: build failure in Linus' tree

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Date:	Fri, 15 Jun 2012 12:15:15 +0200
From:	Sedat Dilek <sedat.dilek@...glemail.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Paul Mundt <lethal@...ux-sh.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Al Viro <viro@...iv.linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: linux-next: build failure in Linus' tree

On Fri, Jun 15, 2012 at 11:23 AM, Sedat Dilek
<sedat.dilek@...glemail.com> wrote:
> On Fri, Jun 15, 2012 at 2:14 AM, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>> Hi Paul,
>>
>> On Thu, 14 Jun 2012 12:40:36 +0900 Paul Mundt <lethal@...ux-sh.org> wrote:
>>>
>>> (adding Arnd to Cc, who I forgot to include previously)
>>>
>>> On Thu, Jun 14, 2012 at 12:06:06PM +0900, Paul Mundt wrote:
>>> > On Thu, Jun 14, 2012 at 11:47:22AM +1000, Stephen Rothwell wrote:
>>> > > While building Linus' tree, today's linux-next build (powerpc
>>> > > ppc64_defconfig) failed like this:
>>> > >
>>> > > In file included from include/asm-generic/bug.h:5:0,
>>> > >                  from arch/powerpc/include/asm/bug.h:127,
>>> > >                  from arch/powerpc/kernel/head_64.S:31:
>>> > > include/linux/kernel.h:44:0: warning: "ALIGN" redefined [enabled by default]
>>> > > include/linux/linkage.h:57:0: note: this is the location of the previous definition
>>> > > include/linux/sysinfo.h: Assembler messages:
>>> > > include/linux/sysinfo.h:7: Error: Unrecognized opcode: `struct'
>>> > > include/linux/sysinfo.h:8: Error: Unrecognized opcode: `__kernel_long_t'
>>> > >
>>> > > And it went downhill from there :-(
>>> > >
>>> > > Caused by commit 3777808873b0 ("bug.h: need linux/kernel.h for
>>> > > TAINT_WARN") which, unfortunately never made it into linux-next.
>>> > >
>>> > > I have reverted that commit for today (which presumably means that sh
>>> > > builds will be broken again).
>>> >
>>> > I'm still unsure as to the best way to fix this, and there was no
>>> > response to the original mail I posted about it either:
>>> >
>>> > http://marc.info/?l=linux-kernel&m=133879579014853&w=2
>>> >
>>> > I'll fetch a powerpc cross compiler and see if I can figure out what went
>>> > wrong.
>>> >
>>> Ok, it's because the asm-generic/bug.h __ASSEMBLY__ guarding is
>>> completely bogus. This should hopefully fix it once and for all.
>>> Sorry for the trouble.
>>>
>>> Signed-off-by: Paul Mundt <lethal@...ux-sh.org>
>>
>> Tested-by: Stephen Rothwell <sfr@...b.auug.org.au>
>>
>> Can you create a proper commit message and send this to Linus, please?  I
>> have included it in my fixes tree in linux-next for today.
>>
>
> Reference: commit 2a6f7f6bd7a9eb3c835c7e5a7d51b43675fb3881 ("fix
> bug.h's inclusion of kernel.h")
>

Hope people don't treat this as nitpicking:
I looked through the last commits to the involved file, all commits
are labeled with "bug.h: ...", so follow the "rule"...

"bug.h: Fix inclusion of kernel.h"

> - Sedat -
>
> [1] http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=commitdiff;h=2a6f7f6bd7a9eb3c835c7e5a7d51b43675fb3881
>
>> --
>> Cheers,
>> Stephen Rothwell                    sfr@...b.auug.org.au
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