linux-kernel - Build failure in -next due to 'kbuild: allow archs to select link dead code/data elimination'

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Message-ID: <20160912222443.GA8425@roeck-us.net>
Date:   Mon, 12 Sep 2016 15:24:43 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Nicholas Piggin <npiggin@...il.com>
Cc:     Michal Marek <mmarek@...e.com>, Chen Liqin <liqin.linux@...il.com>,
        Lennox Wu <lennox.wu@...il.com>, linux-kernel@...r.kernel.org
Subject: Build failure in -next due to 'kbuild: allow archs to select link
 dead code/data elimination'

Hi,

your commit 'kbuild: allow archs to select link dead code/data elimination'
is causing the following build failure in -next when building score:defconfig.

arch/score/kernel/built-in.o: In function `work_resched':
arch/score/kernel/entry.o:(.text+0xe84):
	relocation truncated to fit: R_SCORE_PC19 against `schedule'

Reverting the commit fixes the problem.

Please let me know if I can help tracking down the problem.
In case you need a score toochain, you can find the one I use at
http://server.roeck-us.net/toolchains/score.tgz.

Thanks,
Guenter