[PATCH RESEND v7 0/5] app/testpmd: support multiple process attach and detach port

[lihuisong (C)]

Hi Ferruh, Stephen, Andrew and Thomas,

Can you go back to this thread?

在 2024/10/18 10:48, lihuisong (C) 写道:
> Hi Ferruh,
>
> Thanks for your considering again. please see reply inline.
>
> 在 2024/10/18 9:04, Ferruh Yigit 写道:
>> On 10/8/2024 3:32 AM, lihuisong (C) wrote:
>>> Hi Thomas and Ferruh,
>>>
>>> We've discussed it on and off a few times, and we've reached some
>>> consensus.
>>> They've been going through more than 2 years😅
>>> Can you have a look at this series again?
>>> If we really don't need it, I will drop it from my upstreaming list.
>>>
>> Hi Huisong,
>>
>> I was not really convinced with the patch series, but did not want to
>> block it outright, sorry that this caused patch series stay around.
>>
>> As checked again, still feels like adding unnecessary complexity, and I
>> am for rejecting this series.
>>
>> Overall target is to be able to support hotplug with primary/secondary
>> process, and uses event handlers for this but this requires adding a new
>> ethdev state to be able iterate over devices etc...
>> Perhaps better way to support this without relying on event handlers.
> Ignoring the modification of tesptmd is ok to me.
> But we need to restrict testpmd not to support attach and detach port 
> in multiple process case.
> Otherwise. these issues this series solved will be encountered.
Do we need to announce this point for testpmd?
>
> BTW, I want to say the patch [2/5] which introduced 
> RTE_ETH_DEV_ALLOCATED should be thought again.
> Because it is an real issue in ethdev layer. This is also the fruit 
> that Thomas, you and I discussed before.
> Please look at this patch again.
If we don't merge patch [2/5], user also may encounter this issue as the 
commit log of patch [2/5] mentioned.
Please take a  look at the commit of patch [2/5] and the modification in 
patch [3/5].