linux-kernel - Re: [PATCH] bug.h: Fix up x86 build regression

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Message-ID: <20120625120052.GE24033@linux-sh.org>
Date:	Mon, 25 Jun 2012 21:00:53 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] bug.h: Fix up x86 build regression

On Mon, Jun 25, 2012 at 11:42:15AM +0200, Ingo Molnar wrote:
> 
> * Paul Mundt <lethal@...ux-sh.org> wrote:
> 
> > The asm-generic/bug.h __ASSEMBLY__ guarding is completely bogus, which
> > tripped up the powerpc build when the kernel.h include was added:
> > 
> > 	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'
> > 
> > Moving the __ASSEMBLY__ guard up and stashing the kernel.h include under
> > it fixes this up, as well as covering the case the original fix was
> > attempting to handle.
> > 
> > Tested-by: Stephen Rothwell <sfr@...b.auug.org.au>
> > Acked-by: Arnd Bergmann <arnd@...db.de>
> > Signed-off-by: Paul Mundt <lethal@...ux-sh.org>
> 
> This commit broke most x86 !CONFIG_BUG builds in -rc4:
> 
Yes, that was reported already and I've sent out a fix:

https://lkml.org/lkml/2012/6/25/98
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