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SubjectRe: [PATCH] bnx2: Use dev_kfree_skb_any() in bnx2_tx_int()
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From: Cong Wang <xiyou.wangcong@gmail.com>
Date: Wed, 30 Oct 2013 12:23:52 -0700

> On Tue, Oct 29, 2013 at 11:40 PM, David Miller <davem@davemloft.net> wrote:
>> From: Cong Wang <xiyou.wangcong@gmail.com>
>> Date: Tue, 29 Oct 2013 20:50:08 -0700
>>
>>> Normally ->poll() is called in softirq context, while netpoll could
>>> be called in any context depending on its caller.
>>
>> It still makes amends to make the execution context still looks
>> "compatible" as far as locking et al. is concerned.
>
> Adjusting netpoll code for IRQ context is much harder
> than just calling dev_kfree_skb_any()...
>
> What's more, we have similar change before:
>
> commit ed79bab847d8e5a2986d8ff43c49c6fb8ee3265f
> Author: Eric Dumazet <eric.dumazet@gmail.com>
> Date: Wed Oct 14 14:36:43 2009 +0000
>
> virtio_net: use dev_kfree_skb_any() in free_old_xmit_skbs()

Explain to me then why other ethernet drivers implemented identically,
such as tg3, can use plain dev_kfree_skb() just fine?


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