[dpdk-dev] [PATCH v2 3/3] testpmd: remove the dev event callback register

[Jeff Guo]

On 7/9/2018 4:16 PM, Andrew Rybchenko wrote:
> On 09.07.2018 09:56, Jeff Guo wrote:
>> Since now we can use driver to management the eal event for hotplug,
>> so no need to register dev event callback in app anymore. This patch
>> remove the related code.
>
> I don't understand why handling on device level means removal
> of the application callback. May be as a cleanup.
> I guess application still could be interested in device addition and
> removal events. It is mainly question to testpmd maintainer.
>

I think the callback could be used by anyone who interesting it. you are 
right, but It is optional, who use it will surely in charge of the event 
and callback management.
Here remove it, just for select an other choice and no select the 
previous way to show hotplug example.
just select 1 from 2, no need to let 2 combined.