[dpdk-dev] [PATCH 16/16] [RFC] [VFIO] Adding support for VFIO to setup.sh

[Burakov, Anatoly]

Hi Stephen,

> >
> >  #
> > +# Unloads VFIO modules.
> > +#
> > +remove_vfio_module()
> > +{
> > +	echo "Unloading any existing VFIO module"
> > +	/sbin/lsmod | grep -s vfio > /dev/null
> > +	if [ $? -eq 0 ] ; then
> > +		sudo /sbin/rmmod vfio-pci
> > +		sudo /sbin/rmmod vfio_iommu_type1
> > +		sudo /sbin/rmmod vfio
> > +	fi
> > +}
> > +
> 
> Won't this break if KVM is using vfio and running DPDK application as well.

Yes, just as if you would try to unload igb_uio while DPDK apps are running. Presumably, the user isn't going to try that just as he's not going to try that with igb_uio. So I see no issue here.

Best regards,
Anatoly Burakov
DPDK SW Engineer

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