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From: Nikita Yushchenko <nyushchenko@dev.rtsoft.ru>
To: "=?utf-8?q?=E2=80=9Ctiejun=2Echen=E2=80=9D?=" <tiejun.chen@windriver.com>
Subject: Re: powerpc/hugetlb: BUG: using smp_processor_id() in preemptible
Date: Fri, 17 Jan 2014 16:41:02 +0400
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Cc: Alexey Lugovskoy <lugovskoy@dev.rtsoft.ru>, linux-kernel@vger.kernel.org,
 Paul Mackerras <paulus@samba.org>,
 "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
 Andrew Morton <akpm@linux-foundation.org>, linuxppc-dev@lists.ozlabs.org,
 Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
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> Could you try this?
>
> powerpc/hugetlb: replace __get_cpu_var with get_cpu_var
>
> Replace __get_cpu_var safely with get_cpu_var to avoid
> the following call trace:

Confirmed, no more acktraces.

Nikita