From mboxrd@z Thu Jan  1 00:00:00 1970
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: linux-next: build failure after merge of the final tree
 (powerpc related)
Date: Thu, 21 Jun 2012 16:24:56 +1000
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References: <20120620175014.a822a766e0f91f7b44f48fa0@canb.auug.org.au>
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To: Michael Ellerman <michael@ellerman.id.au>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>, linux-next@vger.kernel.org, ppc-dev <linuxppc-dev@lists.ozlabs.org>, linux-kernel@vger.kernel.org, Alan Modra <amodra@bigpond.net.au>

On Thu, 2012-06-21 at 15:36 +1000, Michael Ellerman wrote:
> 
> powerpc64-linux-ld: /src/next/net/openvswitch/vport-netdev.c:189:(.text+0x89b990): 
>         sibling call optimization to `_restgpr0_28' does not allow automatic multiple TOCs;
>         recompile with -mminimal-toc or -fno-optimize-sibling-calls, or make `_restgpr0_28' extern
> 
> 
> And those are generated calls so I don't see how we can fix them.

Is this a module ? We should really be linking that stuff directly with the module....

The interesting thing is that we do build everything except a handful of
files with -mminimal-toc unless something's wrong with our main Makefile....

Can you show the full build command that triggers the above ?

Cheers,
Ben.