On Tue, Mar 19, 2019 at 09:33:58AM +0800, Leo Yan wrote: [...] > So far, it still cannot work well if I only set "sky2.disable_msi=1" > for host kernel command line, with this config it runs with below flow > and which cannot forward interrupt properly from host to guest: > > host guest > > INTx mode msi enable > msi disable > Switch back to INTx mode Just for heading up, for enabling vfio-pci with NIC device on Juno board, I sent out two patch set for related changes. With these changes, the INTx mode can work well and it also can handle for up failure case. kvmtool changes: https://lists.cs.columbia.edu/pipermail/kvmarm/2019-March/035186.html Juno DT binding for PCIe SMMU: https://archive.armlinux.org.uk/lurker/message/20190320.083105.f002c91c.en.html @Robin, if you find issue for Juno DT binding in my patch and want to send your patch for related fixing, please feel free let me know. I am happy to test it and drop my own. Thanks! Thanks, Leo Yan _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm