> On 24 Jan 2017, at 18:26, Stephen Hemminger <step...@networkplumber.org> > wrote: > > On Tue, 24 Jan 2017 17:14:42 +0000 > "Damjan Marion (damarion)" <damar...@cisco.com> wrote: > >> Is anybody aware of any valid reason why we cannot switch to uio_pci_generic >> as default PCI uio driver in ubuntu packages? >> >> I think generally people don’t like out-of-tree modules, so as long as we >> are getting >> the same service from uio_pci_generic we should use it… >> >> Thanks, >> >> Damjan
> uio_pci_generic does not support MSI or MSI-X interrupts, only legacy INTX. I know but do we really care? > > The preference should always be to use VFIO. Even on systems without IOMMU. What is the perf impact? Also, I just tried with kernel 4.8 on rangeley ATOM, and i got: [536030.250072] vfio-pci: probe of 0000:00:14.0 failed with error -22 [536030.253271] vfio-pci: probe of 0000:00:14.0 failed with error -22 I guess I’m doing something wrong…. Thanks, Damjan _______________________________________________ vpp-dev mailing list vpp-dev@lists.fd.io https://lists.fd.io/mailman/listinfo/vpp-dev
