>>> On 16.06.16 at 18:49, <boris.ostrov...@oracle.com> wrote: > On 06/16/2016 05:40 AM, Jan Beulich wrote: >> The IO-APIC address has variable bits determined by the PCI-to-ISA >> bridge, and the IO-APIC version should be read from the IO-APIC. (Note >> that there's still implicit rather than explicit agreement on the >> IO-APIC base address between qemu and the hypervisor.) > > It probably doesn't matter now for PVHv2 since we are not going to > initially emulate IOAPIC but when/if we do, how do we query for base > address and version? Should we just rely on the same implicit agreement?
If this refers to the sentence in parentheses, then this was really meant to indicate a work item. I.e. qemu should negotiate with Xen. For PVHv2 this would then probably mean for hvmloader to query Xen (via new hypercall). Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
