From: Michal Suchanek <hramrach@centrum.cz>
Date: Fri, 17 Sep 2010 20:00:42 +0200

quoted text
> On 15 September 2010 08:46, Herbert Xu <herbert@gondor.apana.org.au> wrote:
>> On Tue, Sep 14, 2010 at 02:11:03PM -0700, David Miller wrote:
>>>
>>> I'll take a closer look at this if Herbert doesn't beat me to it.
>>
>> I thought we were going to use this patch until Paul's BH warning
>> removal made it into mainline?
>>
>> netpoll: Disable IRQ around RCU dereference in netpoll_rx
>>
>> We cannot use rcu_dereference_bh safely in netpoll_rx as we may
>> be called with IRQs disabled.  We could however simply disable
>> IRQs as that too causes BH to be disabled and is safe in either
>> case.
>>
>> Thanks to John Linville for discovering this bug and providing
>> a patch.
>>
> With the patch applied I no longet get the warning.

Ok I'll toss this upstream since I have no indication that Paul's
RCU change will hit Linus's tree any time soon.

Thanks.
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