[dpdk-dev] [PATCH V2] ethdev: fix eth device released repeatedly

[lihuisong (C)]

在 2021/10/14 20:50, Thomas Monjalon 写道:
> 14/10/2021 14:32, lihuisong (C):
>> Hi, Thomas
>>
>> *The commit log：*
>> In secondary process, rte_eth_dev_close() doesn't clear eth_dev->data.
>> If calling rte_dev_remove() after rte_eth_dev_close(), in
>> rte_eth_dev_pci_generic_remove()
>> function, the released eth device still can be found by its name in
>> shared memory.
>> As a result, the eth device will be released repeatedly. The state of
>> the eth device
>> is modified to RTE_ETH_DEV_UNUSED after rte_eth_dev_close(). So this
>> state can
>> be used to avoid this problem.
>>
>> Is that will be more clear?
> Yes, that's clear (at least for me).
>
>> /*
>>    * A released eth device can be found by its name in shared memory.
>>    * If the state of the eth device is RTE_ETH_DEV_UNUSED, which means
>>    * the eth device has been released.
>>    */
>>
>> Is it ok to use the above description as a comment in the code?
> Yes. One small change, I think "which" should be "it".
Thanks. I will fix it.
>
>> Hope for your reply.  Thanks.
> Thanks
>
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