On 02/21/2014 01:00 PM, Jason Wang wrote: > Currently, the default msix vectors for virtio-net-pci is 3 which is > obvious not suitable for multiqueue guest, so we depends on the user > or management tools to pass a correct vectors parameter. In fact, we > can simplifying this by calculate the number of vectors on init. > > Consider we have N queues, the number of vectors needed is 2*N + 2 > (plus one config interrupt and control vq). We didn't check whether or > not host support control vq because it was added unconditionally by > qemu to avoid breaking legacy guests such as Minix. > > Cc: Paolo Bonzini <pbonz...@redhat.com> > Cc: Michael S. Tsirkin <m...@redhat.com> > Signed-off-by: Jason Wang <jasow...@redhat.com> > ---
Unnecessary debug line was found, will send V2.