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Date: Wed, 30 Jul 2014 16:44:29 -0700 (PDT)
From: David Rientjes <rientjes@google.com>
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To: Fengguang Wu <fengguang.wu@intel.com>
cc: Christoph Lameter <cl@linux-foundation.org>, Tejun Heo <tj@kernel.org>,
        Jet Chen <jet.chen@intel.com>, Su Tao <tao.su@intel.com>,
        Yuanhan Liu <yuanhan.liu@intel.com>, LKP <lkp@01.org>,
        linux-kernel@vger.kernel.org
Subject: Re: [scheduler] BUG: unable to handle kernel paging request at
 000000000000d110
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On Wed, 30 Jul 2014, Fengguang Wu wrote:

> 
> Hi Christoph,
> 
> The parent commit is clean in this case.
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git for-3.17-consistent-ops
> commit 9b0c63851edaf54e909475fe2a0946f57810e98a
> Author:     Christoph Lameter <cl@linux.com>
> AuthorDate: Fri Jun 20 14:31:18 2014 -0500
> Commit:     Tejun Heo <tj@kernel.org>
> CommitDate: Fri Jul 18 19:21:39 2014 -0400
> 
>     scheduler: Replace __get_cpu_var with this_cpu_ptr
>     
>     Convert all uses of __get_cpu_var for address calculation to use
>     this_cpu_ptr instead.
>     
>     Cc: Peter Zijlstra <peterz@infradead.org>
>     Acked-by: Ingo Molnar <mingo@kernel.org>
>     Signed-off-by: Christoph Lameter <cl@linux.com>
>     Signed-off-by: Tejun Heo <tj@kernel.org>

All the instances in kernel/sched/* should be of the form 
*this_cpu_ptr(&mask) due to the special handling of struct cpumask *, 
correct?