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

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Date:	Mon, 13 Apr 2015 20:39:17 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Borislav Petkov <bp@...e.de>
Subject: linux-next: build failure after merge of the rcu tree

Hi Paul,

After merging the rcu tree, today's linux-next build (powerpc allnoconfig)
failed like this:

init/main.c: In function 'rest_init':
init/main.c:387:2: error: implicit declaration of function 'smpboot_thread_init' [-Werror=implicit-function-declaration]
  smpboot_thread_init();
  ^

Caused by commit c55f6e1f6f69 ("cpu: Defer smpboot kthread unparking
until CPU known to scheduler").  The declaration in include/linux/cpu.h
is protected by CONFIG_SMP, its use is not.

I have reverted that commit for today.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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