On Mon, Mar 19, 2018 at 12:21:35PM +0000, Daniel P. Berrangé wrote: > On Fri, Mar 16, 2018 at 11:39:36AM -0600, Keith Busch wrote: > > Intel VMD creates secondary PCIe domain, where child devices in this > > domain are aggregated behind a single end point. Linux exposes these > > as special 32-bit domains, and devices in them are not individually > > assignable. > > IIUC, your patch is addressing a problem for machines with a > specific Intel PCIe device type. > > Is this "domain >= USHRT_MAX" scenario specific to just this > Intel PCIe device type, or will such a high domain number indicate > the same semantics for devices from any vendor. Yes, there is no other vendor exporting multiple PCI domains that isn't tied to a platform sepcific 16-bit PCI _SEG. -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list
