linux-kernel - linux-next: build failure after merge of the printk tree

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Date:   Fri, 2 Mar 2018 16:07:32 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Dave Young <dyoung@...hat.com>
Subject: linux-next: build failure after merge of the printk tree

Hi Petr,

After merging the printk tree, today's linux-next build (bfin
BF518F-EZBRD_defconfig) failed like this:

lib/dump_stack.o: In function `dump_stack':
lib/dump_stack.c:122: multiple definition of `dump_stack'
arch/blackfin/kernel/dumpstack.o:arch/blackfin/kernel/dumpstack.c:166: first defined here

Presumably caused by commit

  8040af489957 ("printk: move dump stack related code to lib/dump_stack.c")

(Though it is not immediately obvious why.)

This fails all the blackfin builds.  nds32 (a new architecture) also
has a dump_stack function.

-- 
Cheers,
Stephen Rothwell

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