netdev - Re: BUG: scheduling while atomic dev_set_promiscuity->__dev_notify

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Message-ID: <slrnl6ei2u.vgu.xiyou.wangcong@linux-6brj.site>
Date:	Wed, 23 Oct 2013 03:53:56 +0000 (UTC)
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	netdev@...r.kernel.org
Subject: Re: BUG: scheduling while atomic
 dev_set_promiscuity->__dev_notify_flags

On Tue, 22 Oct 2013 at 01:04 GMT, Alexei Starovoitov <ast@...mgrid.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.


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