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Date: Wed, 6 Aug 2014 14:42:16 -0700
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Evgeny Budilovsky <budevg@gmail.com>
Cc: Andreas Dilger <andreas.dilger@intel.com>,
        Oleg Drokin <green@linuxhacker.ru>, Peng Tao <bergwolf@gmail.com>,
        Lai Siyao <lai.siyao@intel.com>, devel@driverdev.osuosl.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] staging/lustre: use rcu_dereference to access rcu
 protected current->real_parent field
Message-ID: <20140806214216.GA16530@kroah.com>
References: <87k36ltoob.fsf@gmail.com>
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On Wed, Aug 06, 2014 at 09:22:43PM +0300, Evgeny Budilovsky wrote:
> 
> 
> Signed-off-by: Evgeny Budilovsky <budevg@gmail.com>

Why is this needed?  Is the current code a bug?  Where was the reference
added?  Is this causing a problem without this patch applied?  How far
back should it be backported, if at all?

I need lots more details here before I can take this patch, sorry.

greg k-h