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Message-ID: <alpine.DEB.2.00.0908050929460.21700@gandalf.stny.rr.com>
Date:	Wed, 5 Aug 2009 09:30:46 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Dave Airlie <airlied@...il.com>
cc:	Matt Fleming <matt@...sole-pimps.org>, Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Dave Jones <davej@...emonkey.org.uk>
Subject: Re: Please revert fc4c73554c9d93b3e495f2f7acae1323b0d5db84. Re:
 [PATCH  1/2] ftrace: Fix the conditional that updates $ref_func


On Wed, 5 Aug 2009, Dave Airlie wrote:

> On Fri, Jul 24, 2009 at 2:16 AM, Matt Fleming<matt@...sole-pimps.org> wrote:
> > Fix the conditional that checks if we already have a $ref_func and that
> > the new function is weak. The code as previously checking whether either
> > condition was false, and we really need to only update $ref_func is both
> > cconditions are false.
> >
> 
> This breaks the powerpc build on Fedora.
> 
> When building on ppc64 this commit causes the links of drivers/hwmon/lm93.o
> to fail.
> 
> It introduces an undefined symbol
>                  U .LM93_IN_FROM_REG
> 
> that isn't produced when this patch is reverted
> 
> This was found when the Fedora kernel failed to build when I pulled in
> -rc5-git3.
> 
> can be seen at the end of:
> http://koji.fedoraproject.org/koji/getfile?taskID=1582002&name=build.log
> 
> So can we revert this (at this stage in -rc5 or maybe fix it).

I'll boot up my PPC64 box and see if I can reproduce. In the mean time,
could you send me your config (privately)

Thanks,

-- Steve
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