On 01/09/14 15:12, Paolo Bonzini wrote: > Il 01/09/2014 15:09, Christian Borntraeger ha scritto: >> This is just wild guessing: >> If virtio-blk and virtio-serial share an IRQ, the guest operating system has to check each virtqueue for activity. Maybe there is some inefficiency doing that. >> AFAIK virtio-serial registers 64 virtqueues (on 31 ports + console) even if everything is unused. > > That could be the case if MSI is disabled. > > Paolo > Do the windows virtio drivers enable MSIs, in their inf file? Christian -- 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
