linux-kernel - [rcu:rcu/dev 35/36] kernel/sched/idle.c:184:1: sparse: symbol '__pcpu_scope_cpu_dead_idle' was not declared. Should it be static?

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Date:	Fri, 30 Jan 2015 08:43:07 +0800
From:	kbuild test robot <fengguang.wu@...el.com>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	kbuild-all@...org, Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org
Subject: [rcu:rcu/dev 35/36] kernel/sched/idle.c:184:1: sparse: symbol
 '__pcpu_scope_cpu_dead_idle' was not declared. Should it be static?

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/dev
head:   c0d4bae9db364cdb6e1cabad45a045a04d99cf51
commit: 86166c3e1e073e5e037d97bc51c66ef3fe1e90a4 [35/36] cpu: Make CPU-offline idle-loop transition point more precise
reproduce:
  # apt-get install sparse
  git checkout 86166c3e1e073e5e037d97bc51c66ef3fe1e90a4
  make ARCH=x86_64 allmodconfig
  make C=1 CF=-D__CHECK_ENDIAN__

sparse warnings: (new ones prefixed by >>)

>> kernel/sched/idle.c:184:1: sparse: symbol '__pcpu_scope_cpu_dead_idle' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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