Messages in this thread | | | Subject | Re: [PATCH 1/3] net: fs_enet: merge NAPI RX and NAPI TX | From | Eric Dumazet <> | Date | Wed, 24 Aug 2016 06:15:49 -0700 |
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On Wed, 2016-08-24 at 06:07 -0700, Eric Dumazet wrote:
> I am afraid you could live lock here on SMP. > > You should make sure you do not loop forever, not assuming cpu is faster > than NIC.
You are protected by the tx_lock spinlock, but this is fragile as you could very well remove this spinlock in the future to get lockless transmit, like many other drivers.
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