linux-kernel - Re: [PATCH v2] fbdev: work around old compiler bug

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Date:	Tue, 23 Jun 2009 12:45:05 -0400
From:	Kyle McMartin <kyle@...artin.ca>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Linus <torvalds@...ux-foundation.org>,
	James Simmons <jsimmons@...radead.org>,
	Sam Ravnborg <sam@...nborg.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Krzysztof Helt <krzysztof.h1@...zta.fm>,
	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	ppc-dev <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH v2] fbdev: work around old compiler bug

On Tue, Jun 23, 2009 at 03:44:28PM +1000, Stephen Rothwell wrote:
> When building with a 4.1.x compiler on powerpc64 (at least) we get
> this error:
> 
> drivers/video/logo/logo_linux_mono.c:81: error: logo_linux_mono causes a section type conflict
> 
> This was introduced by commit ae52bb2384f721562f15f719de1acb8e934733cb
> ("fbdev: move logo externs to header file").  This is a partial revert
> of that commit sufficient to not hit the compiler bug.
> 

We're seeing similar issues with 4.3 on parisc (the case I saw today was
in fs/nfs/nfsroot.c...) Any ideas on the actual culprit or is it just
gcc being unfriendly?

regards, Kyle
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