Hi Stephen, > I am not sure that MSI-X has any advantage with only one IRQ, so MSI would > do.
Igb_uio doesn't support MSI, so I never included MSI support. It can be added though, but I don't see much point. > Then have the code look at the PCI capability of device and fallback to INTX > if > needed. It should also check if INTX works, see kernel for details, since some > PCI emulation like VMware is broken. I believe VFIO itself does that already when it sets up interrupts. Best regards, Anatoly Burakov DPDK SW Engineer
