RE: [EXT] Re: [PATCH RFC net-next 11/19] net: mvpp2: add flow control RXQ and BM pool config callbacks

[Stefan Chulski]

> Sorry, but that is not really a decision the driver can make. It is part of a kernel
> that _does_ support CPU hotplug, and the online CPUs can be changed today.
> 
> It is likely that every distro out there builds the kernel with CPU hotplug
> enabled.
> 
> If changing the online CPUs causes the driver to misbehave, that is a(nother)
> bug with the driver.

This function doesn't really need to know num_active_cpus, only host ID used by
used by shared RX interrupt in single queue mode.
Host ID is just register address space used to access PPv2 register space.
So I can remove this use of  num_active_cpus.

Stefan,
Regards.