On Fri Aug 16 2024, Sebastian Andrzej Siewior wrote:
> On 2024-08-16 11:24:00 [+0200], Kurt Kanzenbach wrote:
>> index 11be39f435f3..4d5e5691c9bd 100644
>> --- a/drivers/net/ethernet/intel/igb/igb_main.c
>> +++ b/drivers/net/ethernet/intel/igb/igb_main.c
>> @@ -2914,6 +2914,7 @@ static int igb_xdp(struct net_device *dev, struct 
>> netdev_bpf *xdp)
>>      }
>>  }
>>  
>> +/* This function assumes __netif_tx_lock is held by the caller. */
>>  static void igb_xdp_ring_update_tail(struct igb_ring *ring)
>>  {
>>      /* Force memory writes to complete before letting h/w know there
> This
>   lockdep_assert_held(txring_txq(ring)->_xmit_lock);
> would be more powerful than the comment ;)

Probably yes :-).

Thanks,
Kurt

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