>>> Ed Swierk <eswi...@skyportsystems.com> 09/21/15 6:01 PM >>> >The fundamental problem is that Xen tries to access extended config >space in pci_add_device(), before the Dom0 finally figures out where >MMCONFIG area is and makes the pci_mmcfg_reserved hypercall. The only >robust solution seems to be for Xen to defer extended config space >accesses. It's not clear to me how late is late enough, however.
I don't follow: Surely Dom0 first establishes MCFG areas to be used, and only then scans the buses for devices, resulting in them to be reported to the hypervisor? Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
