> I'm not aware of any vendor these days that actually requires a PV driver > for PF-VF communications. I know some toyed with the idea years ago but I > thought malboxes have become defacto standard. May be because Intel started the mailbox implementation ;). But just wondering from hypervisor point of view, shouldn't their be any way to communicate between PF and VF? It may also lead to unraveling loop holes in security issues that a rogue VF driver can do. Do you also say that Linux would depend upon HW for this? Although I see couple of papers for PF-VF communication in KVM through mmio and virtual pci devices to guest.. > Is there a specific card you think needs a pv mailbox? > > Regards, > > Anthony Liguori > >> >> Thanks >> Sagar >> -- >> To unsubscribe from this list: send the line "unsubscribe kvm" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html