[PATCH v1] net/e1000: do not update link status in secondary process

[Jun Wang]

>> The code to update link status is not safe in secondary process.
>> If called from secondary it will crash, example from dumpcap:
>>     eth_em_link_update
>>
>> Signed-off-by: Jun Wang <junwang01 at cestc.cn>
> 
> Wouldn't it be better to fix the code in e1000_check_link to work in
> secondary process. There are network virtual appliances that use
> secondary process for all processing.

Yes, the e1000 virtual network card currently does not work properly 
in the secondary process. After skipping eth_em_link_update, I tested
the e1000 card and it was able to capture packets normally. For the 
secondary process, I think eth_em_link_update is not necessary.



Jun Wang
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