From mboxrd@z Thu Jan  1 00:00:00 1970
From: Cong Wang <xiyou.wangcong@gmail.com>
Subject: Re: BUG: scheduling while atomic
 dev_set_promiscuity->__dev_notify_flags
Date: Wed, 23 Oct 2013 03:53:56 +0000 (UTC)
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On Tue, 22 Oct 2013 at 01:04 GMT, Alexei Starovoitov <ast@plumgrid.com> wrote:
>
> packet_notifier() does rcu_read_lock() before calling into packet_dev_mc() .
>
> Not sure how to fix it cleanly, other than disabling a notify here.
> Any suggestion?
>

Passing a gfp flag to rtmsg_ifinfo() seems a right fix for me, but I don't
know if there is other better way to fix it.