linux-kernel - Re: linux-next: build failure after merge of the final tree (powerpc related)

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Message-ID: <1340325596.9531.1.camel@concordia>
Date:	Fri, 22 Jun 2012 10:39:56 +1000
From:	Michael Ellerman <michael@...erman.id.au>
To:	Alan Modra <amodra@...il.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org,
	ppc-dev <linuxppc-dev@...ts.ozlabs.org>,
	linux-kernel@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the final tree
 (powerpc related)

On Thu, 2012-06-21 at 21:13 +0930, Alan Modra wrote:
> On Thu, Jun 21, 2012 at 08:18:39PM +0930, Alan Modra wrote:
> > Linker bug.  That's not a sibling call, but a normal function return
> > via an out-of-line register restore function.
> 
> I couldn't see how this might be occurring, then I remembered the
> kernel has this horrible practise of using ld -r to package object
> files.  So linker generated functions might be munged together with
> other functions.  Does this help?  (It won't if the kernel is
> providing its own save/restore functions.)

The kernel does provide its own AIUI.

cheers

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