Re: [dpdk-dev] [PATCH v11 2/2] librte_pmd_null: Support port hotplug function

[Thomas Monjalon <thomas.monjalon@6wind.com>]

2015-02-26 18:06, Tetsuya Mukawa:
> 2015-02-26 16:03 GMT+09:00 Thomas Monjalon <thomas.monjalon@6wind.com>:
> > 2015-02-25 16:49, Stephen Hemminger:
> >> Build fails if HOTPLUG is disabled
> 
> Hi Stephen,
> 
> I appreciate for you reporting.
> 
> >
> > OK thanks for reporting.
> > Actually there is no good reason to disable hotplug on Linux.
> > Though it means that it's impossible to build on FreeBSD.
> >
> > Tetsuya, the right fix is to remove this option.
> 
> Hi Thomas,
> 
> Yes, I agree with it. I will add some codes to remove the option.
> Please let me have a few days, I need to prepare BSD machine for compile test.
> 
> > You should manage to graceful degrades hotplug in not supported
> > cases supported: devices cannot be detachable in case of VFIO or nic_uio.
> > What about uio_pci_generic?
> 
> We cannot detach a vfio device so far. But we can detach a igb_uio and
> uio_pci_generic device.
> About a vfio ddevice, I haven't checked related code yet, but I guess
> I will submit code to detach a vfio device in post-rc1.

OK thanks.
I made a quick fix (moving #ifdef) waiting the option removal:
	http://dpdk.org/browse/dpdk/commit/?id=7609e6609350